theice.com

Checked 22 October 2026, 11:02 UTC · via 8.8.8.8
!Passed with warnings
31 passed 1 warning 0 failed 3 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2026-12-11

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
11 December 1999
Last changed
10 November 2024
Expires
11 December 2026
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, edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.org
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 2026-12-11 #3
    The registration is valid until 2026-12-11 (50 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

pass

dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.org

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, edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.org
NS in the zone
dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.org
NameserverAddressesNetwork (AS)Glue
dns1.p03.nsone.net198.51.44.3 2620:4d:4000:6259:7:3:0:1AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns2.p03.nsone.net198.51.45.3 2a00:edc0:6259:7:3::2AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns3.p03.nsone.net198.51.44.67 2620:4d:4000:6259:7:3:0:3AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns4.p03.nsone.net198.51.45.67 2a00:edc0:6259:7:3::4AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
edns1.ultradns.biz204.74.67.1 2610:a1:1015::201AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
edns1.ultradns.com204.74.66.1 2001:502:f3ff::201AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US2001:502:f3ff::201 204.74.66.1
edns1.ultradns.net204.74.110.1 2610:a1:1014::201AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
edns1.ultradns.org204.74.111.1 2001:502:4612::201AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-

Checks

  • ✓ 8 nameservers #6
    Delegated to dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.org.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ 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 6 IPv4 /24s and 6 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 8 addresses; AS62597 (NSONE - NSONE Inc, US): 8 addresses.
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .biz, .com, .net, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

16 of 16 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, 4 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
dns3.p03.nsone.net 198.51.44.67NOERROR, 7 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p03.nsone.net 2620:4d:4000:6259:7:3:0:3NOERROR, 5 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
edns1.ultradns.biz 204.74.67.1NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns1.ultradns.biz 2610:a1:1015::201NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns1.ultradns.com 204.74.66.1NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns1.ultradns.com 2001:502:f3ff::201NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns1.ultradns.net 204.74.110.1NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns1.ultradns.net 2610:a1:1014::201NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns1.ultradns.org 204.74.111.1NOERROR, 32 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns1.ultradns.org 2001:502:4612::201NOERROR, 32 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

Checks

  • ✓ All respond #14
    All 16 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"; dns2.p03.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns3.p03.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns4.p03.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; edns1.ultradns.biz: "UltraDNS Nameserver"; edns1.ultradns.com: "UltraDNS Nameserver"; edns1.ultradns.net: "UltraDNS Nameserver"; edns1.ultradns.org: "UltraDNS Nameserver".
    #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

pass

serial 2026100670 · primary edns1.ultradns.com

Found

Primary (MNAME)
edns1.ultradns.com
Contact (RNAME)
prodsupport-dns.theice.com
Serial
2026100670
Refresh / retry
10800 s / 3600 s
Expire
604800 s
Negative TTL
600 s

Serial per nameserver

NameserverSerial
dns1.p03.nsone.net (198.51.44.3)2026100670
dns1.p03.nsone.net (2620:4d:4000:6259:7:3:0:1)2026100670
dns2.p03.nsone.net (198.51.45.3)2026100670
dns2.p03.nsone.net (2a00:edc0:6259:7:3::2)2026100670
dns3.p03.nsone.net (198.51.44.67)2026100670
dns3.p03.nsone.net (2620:4d:4000:6259:7:3:0:3)2026100670
dns4.p03.nsone.net (198.51.45.67)2026100670
dns4.p03.nsone.net (2a00:edc0:6259:7:3::4)2026100670
edns1.ultradns.biz (204.74.67.1)2026100670
edns1.ultradns.biz (2610:a1:1015::201)2026100670
edns1.ultradns.com (204.74.66.1)2026100670
edns1.ultradns.com (2001:502:f3ff::201)2026100670
edns1.ultradns.net (204.74.110.1)2026100670
edns1.ultradns.net (2610:a1:1014::201)2026100670
edns1.ultradns.org (204.74.111.1)2026100670
edns1.ultradns.org (2001:502:4612::201)2026100670

Checks

  • ✓ Serial 2026100670 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 7d, negative TTL 10m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver edns1.ultradns.com is one of the listed nameservers.
  • ✓ Contact prodsupport-dns@theice.com #25
    The SOA RNAME prodsupport-dns.theice.com means prodsupport-dns@theice.com.
  • ✓ Date-based serial #26
    The serial 2026100670 follows the YYYYMMDDnn convention (2026-10-06).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
10 iterations, 8-byte salt
Signatures valid until
16 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
44449RSASHA256 (8)SHA256 17A7C4364544D362…yes

DNSKEY in the zone

Key tagRoleAlgorithm
44449KSK (257)RSASHA256 (8)
10818ZSK (256)RSASHA256 (8)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 44449 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: RSASHA256 (8).
  • ✓ Signatures valid until 2026-11-16 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-16 21:16 UTC.
  • !
    NSEC3 with extra iterations or salt
    NSEC3 uses 10 iterations and a 8-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.
    #31

Records

info

29 records at the apex

Found

Read from
198.51.44.3:53
TypeValueTTL
SOAedns1.ultradns.com. prodsupport-dns.theice.com. 2026100670 10800 3600 604800 600600
NSedns1.ultradns.biz.600
NSedns1.ultradns.com.600
NSedns1.ultradns.net.600
NSedns1.ultradns.org.600
NSdns1.p03.nsone.net.600
NSdns2.p03.nsone.net.600
NSdns3.p03.nsone.net.600
NSdns4.p03.nsone.net.600
A104.16.117.24600
A104.16.118.24600
MX10 mxa-001f3604.gslb.pphosted.com.300
MX10 mxb-001f3604.gslb.pphosted.com.300
TXT"BPL=8505469"600
TXT"MS=ms21260664"600
TXT"MS=5CE906F3694A29CC304499C64F77CEC40BD68158"600
TXT"adobe-sign-verification=6dea21eee3a7b7ecf52fe7c3cd1294fc"600
TXT"ciscocidomainverification=32f34c70d3beeae252119e5c09b980e09f76394dc5087f0c262e1fb4c88e307e"600
TXT"google-site-verification=yMgOQBS81gxCPyrX3KE1jUSbxE2C1Svr2AZK4DsHswE"600
TXT"sk37pmpjgQhf7yVmVEONuwayhBJosxG3Nf3DKwnPiXxzRw11++5Fr8YyxabPe+WnLF0KaY+5PaK8FQXnTrco0g=="600
TXT"apple-domain-verification=W4oRt9UfMsaR8quK"600
TXT"google-site-verification=lcMjp_ChN7UV5FYJnbe4QASpMw2jmxboEgX-cw36vDo"600
TXT"miro-verification=c9a8f78ab04d5bad9381c5272fe27dc7b309bef6"600
TXT"calendly-site-verification=PSGHyt6qVgZyHvESGnwn64ZXu6A85nyIsFl3KujDp"600
TXT"qshp4vmsh3gvybs2dk7yjbvqdxxnvhlk"600
TXT"dtm-domain-verification=ZU16i6HgqJyF1oFFpD8evoXxgJ9cgTJ0rPpjp7PtHnE"600
TXT"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:ice.com ip4:158.224.86.31 -all"600
TXT"smartsheet-site-validation=TbfreJPBhzJxGvuaQX9AmJsBvUQX98EN"600
TXT"_i1gc4j8fv5q3dlp9tm8lr95m9nlcdt1"600

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, MX 5m, NS 10m. The NS TTL at the parent is 2d and in the zone 10m; 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