outbrain.com

Checked 22 October 2026, 10:11 UTC · via 8.8.8.8
!Passed with warnings
27 passed 1 warning 0 failed 3 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2029-08-09

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
9 August 2004
Last changed
1 January 2026
Expires
9 August 2029
Status
client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net, ns01.oblookup.com, ns02.oblookup.com, ns03.oblookup.com, ns04.oblookup.com
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 2029-08-09 #3
    The registration is valid until 2029-08-09 (1022 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net, ns01.oblookup.com, ns02.oblookup.com, ns03.oblookup.com, ns04.oblookup.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net, ns01.oblookup.com, ns02.oblookup.com, ns03.oblookup.com, ns04.oblookup.com
NS in the zone
dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net, ns01.oblookup.com, ns02.oblookup.com, ns03.oblookup.com, ns04.oblookup.com
NameserverAddressesNetwork (AS)Glue
dns1.p07.nsone.net198.51.44.7 2620:4d:4000:6259:7:7:0:1AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns2.p07.nsone.net198.51.45.7 2a00:edc0:6259:7:7::2AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns3.p07.nsone.net198.51.44.71 2620:4d:4000:6259:7:7:0:3AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns4.p07.nsone.net198.51.45.71 2a00:edc0:6259:7:7::4AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
ns01.oblookup.com104.225.40.1AS63911 NETACTUATE-AS-AP - NetActuate, Inc, US104.225.40.1
ns02.oblookup.com104.225.40.65AS63911 NETACTUATE-AS-AP - NetActuate, Inc, US104.225.40.65
ns03.oblookup.com104.225.40.129AS63911 NETACTUATE-AS-AP - NetActuate, Inc, US104.225.40.129
ns04.oblookup.com104.225.40.193AS63911 NETACTUATE-AS-AP - NetActuate, Inc, US104.225.40.193

Checks

  • ✓ 8 nameservers #6
    Delegated to dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net, ns01.oblookup.com, ns02.oblookup.com, ns03.oblookup.com, ns04.oblookup.com.
  • ✓ 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 3 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS62597 (NSONE - NSONE Inc, US): 8 addresses; AS63911 (NETACTUATE-AS-AP - NetActuate, Inc, US): 4 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns01.oblookup.com, ns02.oblookup.com, ns03.oblookup.com, ns04.oblookup.com.
    #13

Nameservers

info

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dns1.p07.nsone.net 198.51.44.7NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns1.p07.nsone.net 2620:4d:4000:6259:7:7:0:1NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p07.nsone.net 198.51.45.7NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p07.nsone.net 2a00:edc0:6259:7:7::2NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p07.nsone.net 198.51.44.71NOERROR, 6 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p07.nsone.net 2620:4d:4000:6259:7:7:0:3NOERROR, 6 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p07.nsone.net 198.51.45.71NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p07.nsone.net 2a00:edc0:6259:7:7::4NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
ns01.oblookup.com 104.225.40.1NOERROR, 20 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
ns02.oblookup.com 104.225.40.65NOERROR, 19 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
ns03.oblookup.com 104.225.40.129NOERROR, 20 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
ns04.oblookup.com 104.225.40.193NOERROR, 19 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9

Checks

  • ✓ All respond #14
    All 12 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.p07.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns2.p07.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns3.p07.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns4.p07.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; ns01.oblookup.com: "19dd46e347df36b70933bf2be8023258586586a9"; ns02.oblookup.com: "19dd46e347df36b70933bf2be8023258586586a9"; ns03.oblookup.com: "19dd46e347df36b70933bf2be8023258586586a9"; ns04.oblookup.com: "19dd46e347df36b70933bf2be8023258586586a9".
    #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 1658324892 · primary dns1.p07.nsone.net

Found

Primary (MNAME)
dns1.p07.nsone.net
Contact (RNAME)
hostmaster.nsone.net
Serial
1658324892
Refresh / retry
3600 s / 600 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
dns1.p07.nsone.net (198.51.44.7)1658324892
dns1.p07.nsone.net (2620:4d:4000:6259:7:7:0:1)1658324892
dns2.p07.nsone.net (198.51.45.7)1658324892
dns2.p07.nsone.net (2a00:edc0:6259:7:7::2)1658324892
dns3.p07.nsone.net (198.51.44.71)1658324892
dns3.p07.nsone.net (2620:4d:4000:6259:7:7:0:3)1658324892
dns4.p07.nsone.net (198.51.45.71)1658324892
dns4.p07.nsone.net (2a00:edc0:6259:7:7::4)1658324892
ns01.oblookup.com (104.225.40.1)1658324892
ns02.oblookup.com (104.225.40.65)1658324892
ns03.oblookup.com (104.225.40.129)1658324892
ns04.oblookup.com (104.225.40.193)1658324892

Checks

  • ✓ Serial 1658324892 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 10m, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver dns1.p07.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 1658324892 is a Unix timestamp (2022-07-20 13:48 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

pass

43 records at the apex

Found

Read from
198.51.44.7:53
TypeValueTTL
SOAdns1.p07.nsone.net. hostmaster.nsone.net. 1658324892 3600 600 604800 36003600
NSdns1.p07.nsone.net.86400
NSdns2.p07.nsone.net.86400
NSdns3.p07.nsone.net.86400
NSdns4.p07.nsone.net.86400
NSns01.oblookup.com.86400
NSns02.oblookup.com.86400
NSns03.oblookup.com.86400
NSns04.oblookup.com.86400
A151.101.2.132300
A151.101.66.132300
A151.101.130.132300
A151.101.194.132300
MX1 aspmx.l.google.com.300
MX5 alt1.aspmx.l.google.com.300
MX5 alt2.aspmx.l.google.com.300
MX10 alt3.aspmx.l.google.com.300
MX10 alt4.aspmx.l.google.com.300
TXT"MS=ms48668685"60
TXT"_globalsign-domain-verification=9Xqu2bonefjuoUF-XmyjAptAfuE-yStJz6wy9UnH-C"60
TXT"_globalsign-domain-verification=icFLpzAQo0SYmyrGll2mog5qb1q82Pe2Qg9OL5oAN0"60
TXT"v=spf1 mx include:_spf1.outbrain.com include:_spf2.outbrain.com include:_spf3.outbrain.com include:stspg-customer.com include:cust-spf.exacttarget.com include:_spf.google.com ~all"60
TXT"zapier-domain-verification-challenge=a22ab368-4c42-4ff8-b040-4cf1c1738f01"60
TXT"facebook-domain-verification=95x6otar3mcobcgxek6mdupa35zj6b"60
TXT"q39ntf48ggjxp5htv5rrmtszwz1jymnn"60
TXT"mgverify=6f023075008c64bb3b02a08f6b7b0cbf4d25259c8785e8dba3b04090d0496cd6"60
TXT"wiz-domain-verification=ae2911e4ac328294c5d8050ff11f0f6e8bcb228d3fed79d58068445dd301391e"60
TXT"google-site-verification=ngOw9NfQwfa5pyPrpvPtz_wl8q08kMlq9h7kF4KVjmY"60
TXT"apple-domain-verification=UrpC5i3QfZ0DphHh"60
TXT"8kfmY2qTewRHGhfK314HfGf7ASn0UtDMc_yPcWje"60
TXT"paloaltonetworks-site-verification=cc7f64b6f14d00a1f893953b3d191d0cc8786cf53cdad9a2af94da1a58e6c2bd"60
TXT"google-site-verification=_R_H-hEdCxlWQPe_bec1i_7ArsyTVt_auZ0qxZws-Vo"60
TXT"successfactors-site-verification=MmQzMGNhMzRkMGRhNzFjZmM2ZTQ1YTAyM2VjYjg5NjY4ODI5MzFmNjNkZjEzMGQxNzRlZjcxNmM0MTdkOGMwZg=="60
TXT"slack-domain-verification=lGWp08RFzCcoBJfVcPO1IH7W8rhxkIXB340WCHF7"60
TXT"h1-domain-verification=v3UNiawNi6Qc4jDhYDQZKQxMGpd4pagfNqMSc4UG981MvoeH"60
TXT"canva-site-verification=K2pZI8j4PAtwLKglts49Jg"60
TXT"figma-domain-verification=2544b956ba7853a37ee58c998d1f7e9821d192f8cd8414d4170b0470d9853d38-1750933905"60
TXT"_pl9saxth2djvml72qh2be0gft9b32ud"60
CAA0 iodef "email:caa@teads.com"3600
CAA0 issue "digicert.com"3600
CAA0 issue "letsencrypt.org"3600
CAA0 issuewild "digicert.com"3600
CAA0 issuewild "letsencrypt.org"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 5m, 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: digicert.com, letsencrypt.org.