insider.com

Checked 22 October 2026, 09:20 UTC · via 8.8.8.8
!Passed with warnings
25 passed 3 warnings 0 failed 3 info

Registration

info

.com generic · Nom-iq Ltd. dba COM LAUDE · expires 2027-06-05

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
Nom-iq Ltd. dba COM LAUDE
Registered
6 June 1997
Last changed
6 May 2026
Expires
5 June 2027
Status
client delete prohibited, client transfer prohibited, client update prohibited
Registry nameservers
dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net, ns61.constellix.net
RDAP server
https://rdap.verisign.com/com/v1/

Checks

  • i
    .com is a generic TLD (gTLD)
    Generic TLD under an ICANN registry agreement: ICANN-accredited registrars, UDRP and RDAP apply.
    #1
  • ✓ TLD delegated and signed #2
    .com is delegated in the root zone and DNSSEC-signed.
  • ✓ Expires on 2027-06-05 #3
    The registration is valid until 2027-06-05 (225 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client transfer prohibited, client update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

warn

dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net, ns61.constellix.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net, ns61.constellix.net
NS in the zone
dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net, ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net, ns61.constellix.net
NameserverAddressesNetwork (AS)Glue
dns1.p03.nsone.net (parent only)198.51.44.3 2620:4d:4000:6259:7:3:0:1AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns1.p04.nsone.net (zone only)198.51.44.4 2620:4d:4000:6259:7:4:0:1AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns2.p03.nsone.net (parent only)198.51.45.3 2a00:edc0:6259:7:3::2AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns2.p04.nsone.net (zone only)198.51.45.4 2a00:edc0:6259:7:4::2AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns3.p03.nsone.net (parent only)198.51.44.67 2620:4d:4000:6259:7:3:0:3AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns3.p04.nsone.net (zone only)198.51.44.68 2620:4d:4000:6259:7:4:0:3AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns4.p03.nsone.net (parent only)198.51.45.67 2a00:edc0:6259:7:3::4AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns4.p04.nsone.net (zone only)198.51.45.68 2a00:edc0:6259:7:4::4AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
ns11.constellix.com96.45.80.1 2600:180a:1001::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US2600:180a:1001::1 96.45.80.1
ns21.constellix.com46.31.236.1 2600:180b:2001::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US2600:180b:2001::1 46.31.236.1
ns31.constellix.com43.247.170.1 2600:180c:3001::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US2600:180c:3001::1 43.247.170.1
ns41.constellix.net96.45.81.1 2600:180a:4001::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US-
ns51.constellix.net46.31.237.1 2600:180b:5001::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US-
ns61.constellix.net43.247.171.1 2600:180c:6001::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US-

Checks

  • ✓ 10 nameservers #6
    Delegated to dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net, ns61.constellix.net.
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only at the parent: dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net; only in the zone: dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net. dns1.p03.nsone.net, dns1.p04.nsone.net, dns2.p03.nsone.net, dns2.p04.nsone.net, dns3.p03.nsone.net, dns3.p04.nsone.net, dns4.p03.nsone.net, dns4.p04.nsone.net report NS dns1.p04.nsone.net dns2.p04.nsone.net dns3.p04.nsone.net dns4.p04.nsone.net ns11.constellix.com ns21.constellix.com ns31.constellix.com ns41.constellix.net ns51.constellix.net ns61.constellix.net.
    #7
  • ✓ No glue needed #8
    All nameservers are outside the zone, so no glue records are needed.
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • ✓ Nameservers in different networks #10
    The nameservers are spread over 8 IPv4 /24s and 8 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS16552 (DIGICERT - Tiggee LLC, US): 12 addresses; AS62597 (NSONE - NSONE Inc, US): 16 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .net.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

28 of 28 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dns1.p03.nsone.net 198.51.44.3NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns1.p03.nsone.net 2620:4d:4000:6259:7:3:0:1NOERROR, 7 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns1.p04.nsone.net 198.51.44.4NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns1.p04.nsone.net 2620:4d:4000:6259:7:4:0:1NOERROR, 7 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p03.nsone.net 198.51.45.3NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p03.nsone.net 2a00:edc0:6259:7:3::2NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p04.nsone.net 198.51.45.4NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p04.nsone.net 2a00:edc0:6259:7:4::2NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p03.nsone.net 198.51.44.67NOERROR, 6 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p03.nsone.net 2620:4d:4000:6259:7:3:0:3NOERROR, 7 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p04.nsone.net 198.51.44.68NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p04.nsone.net 2620:4d:4000:6259:7:4:0:3NOERROR, 6 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p03.nsone.net 198.51.45.67NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p03.nsone.net 2a00:edc0:6259:7:3::4NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p04.nsone.net 198.51.45.68NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p04.nsone.net 2a00:edc0:6259:7:4::4NOERROR, 8 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
ns11.constellix.com 96.45.80.1NOERROR, 3 ms, authoritativenoyes / yesrefused179812
ns11.constellix.com 2600:180a:1001::1NOERROR, 4 ms, authoritativenoyes / yesrefused179812
ns21.constellix.com 46.31.236.1NOERROR, 4 ms, authoritativenoyes / yesrefused105986
ns21.constellix.com 2600:180b:2001::1NOERROR, 4 ms, authoritativenoyes / yesrefused105986
ns31.constellix.com 43.247.170.1NOERROR, 3 ms, authoritativenoyes / yesrefused808515
ns31.constellix.com 2600:180c:3001::1NOERROR, 3 ms, authoritativenoyes / yesrefused808515
ns41.constellix.net 96.45.81.1NOERROR, 3 ms, authoritativenoyes / yesrefused179812
ns41.constellix.net 2600:180a:4001::1NOERROR, 4 ms, authoritativenoyes / yesrefused179812
ns51.constellix.net 46.31.237.1NOERROR, 4 ms, authoritativenoyes / yesrefused105986
ns51.constellix.net 2600:180b:5001::1NOERROR, 4 ms, authoritativenoyes / yesrefused105986
ns61.constellix.net 43.247.171.1NOERROR, 4 ms, authoritativenoyes / yesrefused808515
ns61.constellix.net 2600:180c:6001::1NOERROR, 4 ms, authoritativenoyes / yesrefused808515

Checks

  • ✓ All respond #14
    All 28 nameserver addresses answered.
  • ✓ All authoritative #15
    Every responding nameserver answers authoritatively for the zone.
  • ✓ No recursion #16
    The nameservers do not answer recursive queries for other domains.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: dns1.p03.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns1.p04.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns2.p03.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns2.p04.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns3.p03.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns3.p04.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns4.p03.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns4.p04.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; ns11.constellix.com: "179812"; ns21.constellix.com: "105986"; ns31.constellix.com: "808515"; ns41.constellix.net: "179812"; ns51.constellix.net: "105986"; ns61.constellix.net: "808515".
    #17
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✓ TCP supported #19
    All nameservers answer over TCP.
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

warn

serial 1646154696 · primary dns1.p03.nsone.net

Found

Primary (MNAME)
dns1.p03.nsone.net
Contact (RNAME)
hostmaster.nsone.net
Serial
1646154696
Refresh / retry
3600 s / 600 s
Expire
604800 s
Negative TTL
1800 s

Serial per nameserver

NameserverSerial
dns1.p03.nsone.net (198.51.44.3)1646154696
dns1.p03.nsone.net (2620:4d:4000:6259:7:3:0:1)1646154696
dns1.p04.nsone.net (198.51.44.4)1646154696
dns1.p04.nsone.net (2620:4d:4000:6259:7:4:0:1)1646154696
dns2.p03.nsone.net (198.51.45.3)1646154696
dns2.p03.nsone.net (2a00:edc0:6259:7:3::2)1646154696
dns2.p04.nsone.net (198.51.45.4)1646154696
dns2.p04.nsone.net (2a00:edc0:6259:7:4::2)1646154696
dns3.p03.nsone.net (198.51.44.67)1646154696
dns3.p03.nsone.net (2620:4d:4000:6259:7:3:0:3)1646154696
dns3.p04.nsone.net (198.51.44.68)1646154696
dns3.p04.nsone.net (2620:4d:4000:6259:7:4:0:3)1646154696
dns4.p03.nsone.net (198.51.45.67)1646154696
dns4.p03.nsone.net (2a00:edc0:6259:7:3::4)1646154696
dns4.p04.nsone.net (198.51.45.68)1646154696
dns4.p04.nsone.net (2a00:edc0:6259:7:4::4)1646154696
ns11.constellix.com (96.45.80.1)2015010239
ns11.constellix.com (2600:180a:1001::1)2015010239
ns21.constellix.com (46.31.236.1)2015010239
ns21.constellix.com (2600:180b:2001::1)2015010239
ns31.constellix.com (43.247.170.1)2015010239
ns31.constellix.com (2600:180c:3001::1)2015010239
ns41.constellix.net (96.45.81.1)2015010239
ns41.constellix.net (2600:180a:4001::1)2015010239
ns51.constellix.net (46.31.237.1)2015010239
ns51.constellix.net (2600:180b:5001::1)2015010239
ns61.constellix.net (43.247.171.1)2015010239
ns61.constellix.net (2600:180c:6001::1)2015010239

Checks

  • !
    Serials differ
    The nameservers serve different versions of the zone: 1646154696 on dns1.p03.nsone.net (198.51.44.3), dns1.p03.nsone.net (2620:4d:4000:6259:7:3:0:1), dns1.p04.nsone.net (198.51.44.4), dns1.p04.nsone.net (2620:4d:4000:6259:7:4:0:1), dns2.p03.nsone.net (198.51.45.3), dns2.p03.nsone.net (2a00:edc0:6259:7:3::2), dns2.p04.nsone.net (198.51.45.4), dns2.p04.nsone.net (2a00:edc0:6259:7:4::2), dns3.p03.nsone.net (198.51.44.67), dns3.p03.nsone.net (2620:4d:4000:6259:7:3:0:3), dns3.p04.nsone.net (198.51.44.68), dns3.p04.nsone.net (2620:4d:4000:6259:7:4:0:3), dns4.p03.nsone.net (198.51.45.67), dns4.p03.nsone.net (2a00:edc0:6259:7:3::4), dns4.p04.nsone.net (198.51.45.68), dns4.p04.nsone.net (2a00:edc0:6259:7:4::4); 2015010239 on ns11.constellix.com (96.45.80.1), ns11.constellix.com (2600:180a:1001::1), ns21.constellix.com (46.31.236.1), ns21.constellix.com (2600:180b:2001::1), ns31.constellix.com (43.247.170.1), ns31.constellix.com (2600:180c:3001::1), ns41.constellix.net (96.45.81.1), ns41.constellix.net (2600:180a:4001::1), ns51.constellix.net (46.31.237.1), ns51.constellix.net (2600:180b:5001::1), ns61.constellix.net (43.247.171.1), ns61.constellix.net (2600:180c:6001::1). This is normal for a few minutes after a change; if it lasts, zone transfers to the secondaries are failing.
    #22
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 10m, expire 7d, negative TTL 30m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver dns1.p03.nsone.net is one of the listed nameservers.
  • ✓ Contact hostmaster@nsone.net #25
    The SOA RNAME hostmaster.nsone.net means hostmaster@nsone.net.
  • ✓ Timestamp serial #26
    The serial 1646154696 is a Unix timestamp (2022-03-01 17:11 UTC).

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Records

info

47 records at the apex

Found

Read from
198.51.44.3:53
TypeValueTTL
SOAdns1.p03.nsone.net. hostmaster.nsone.net. 1646154696 3600 600 604800 180014400
NSdns4.p04.nsone.net.86400
NSdns2.p04.nsone.net.86400
NSdns3.p04.nsone.net.86400
NSdns1.p04.nsone.net.86400
NSns11.constellix.com.86400
NSns21.constellix.com.86400
NSns31.constellix.com.86400
NSns41.constellix.net.86400
NSns51.constellix.net.86400
NSns61.constellix.net.86400
A151.101.130.2173600
A151.101.66.2173600
A151.101.2.2173600
A151.101.194.2173600
MX20 alt1.aspmx.l.google.com.1800
MX20 alt2.aspmx.l.google.com.1800
MX30 aspmx2.googlemail.com.1800
MX10 aspmx.l.google.com.1800
MX35 aspmx3.googlemail.com.1800
TXT"google-site-verification=H4yvORojGlppP5WeqJ0BKU6RNu_Y7be8jzPJMJ8Bq4o"1800
TXT"google-site-verification=spvzAQPJmd5nbgF2WlJbZK9p5iDn8bwMg2AqsmPExJk"1800
TXT"_globalsign-domain-verification=2wRqY6IrIINLY7B8Qcp-qur9HsiRTO04g4gwsMmFy3"1800
TXT"v=spf1 include:_spf.atlassian.net include:_spf.google.com include:spf.tipalti.com include:sendgrid.net ~all"1800
TXT"facebook-domain-verification=0skxckv59zjtzwawho8y9wu8wby7d1"1800
TXT"google-site-verification=BAemk4_7R74vcTfLeowuWwnazQHaVghdu-d_cq19RKg"1800
TXT"google-site-verification=qLrGwRorg4mfWOiBQOxZFY65oZcKEhXNYuHKT7IhxLs"1800
TXT"google-site-verification=F1bshbQrkUQGUybDWBZI0euRSTlWBK1orUl8Fd0b-_Q"1800
TXT"mongodb-site-verification=zUVgWg5Lblp1vOhxzGae9ONuEgWbmLKT"1800
TXT"apple-domain-verification=9AxCMsnZqSP0qXex"1800
TXT"atlassian-domain-verification=EnHue3UwYSfo4DXgk/Bvg3WcQ2JVjyt6zf38Dox2HOZXITSpjtg1iNnMasAJ3GsD"1800
TXT"atlassian-sending-domain-verification=28883de1-a5db-4f9b-ac34-b83923690b89"1800
TXT"MS=06F9C8FD3419F2576D0919734A003EA85DBA509D"1800
TXT"docusign=57cf77c2-efe7-41ed-9c6d-5c5ff6f4e92e"1800
TXT"canva-site-verification=GuIfqt9Kp_hh27gnwAkEmw"1800
TXT"parsec-domain-verification=td_2WG7m6SKVYZg9XrrCY9uzNLDB12"1800
TXT"slack-domain-verification=Nbq4pT0Ehu842MWhj0oSlwncTPr7KEO4MN2JBDP4"1800
TXT"openai-domain-verification=dv-f39WgpLuJNG9ymnJEcdmdfUq"1800
TXT"openai-domain-verification=dv-rJ49ULtksNtPRIPp4oOghAEl"1800
TXT"asv=4f7bed0ed9307319569dca0dc413d303"1800
TXT"jamf-site-verification=NevVn2O8U5v9HkUBtFXR-A"1800
TXT"zapier-domain-verification-challenge=9ca48273-1c9c-4a8b-87d2-d6fbff0f266e3"1800
TXT"ZOOM_verify_jAAmB7VSKUgRoUbWWkqsRC"1800
TXT"sprout-social-9b1e11dc-af20-4279-a3eb-40e6614d8199"1800
TXT"lucidlink-verification=H13VJ94S9GRFM6ZX539Q5EB8MG"1800
TXT"00Dd0000000cyqM=1TBQK00000000pd"1800
TXT"anthropic-domain-verification-meb5re=9Umh2J0XFQRsJqUhCBTiWtxCz"1800

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 30m, NS 1d. The NS TTL at the parent is 2d and in the zone 1d; resolvers may use either.
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • ✓ No wildcard #34
    Names that don't exist return NXDOMAIN.
  • i
    No CAA records
    Without CAA records any certificate authority may issue certificates for this domain. A CAA record limits issuance to the CAs you use.
    #35