metlife.com

Checked 22 October 2026, 09:50 UTC · via 8.8.8.8
!Passed with warnings
26 passed 2 warnings 0 failed 3 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2027-11-13

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
14 November 1994
Last changed
12 October 2026
Expires
13 November 2027
Status
client delete prohibited, client transfer prohibited, client update prohibited
Registry nameservers
a1-254.akam.net, a13-67.akam.net, a2-64.akam.net, a24-65.akam.net, a4-66.akam.net, a7-67.akam.net, ns.metlife.com, ns2.metlife.com, ns3.metlife.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 2027-11-13 #3
    The registration is valid until 2027-11-13 (386 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

info

a1-254.akam.net, a13-67.akam.net, a2-64.akam.net, a24-65.akam.net, a4-66.akam.net, a7-67.akam.net, ns.metlife.com, ns2.metlife.com, ns3.metlife.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a1-254.akam.net, a13-67.akam.net, a2-64.akam.net, a24-65.akam.net, a4-66.akam.net, a7-67.akam.net, ns.metlife.com, ns2.metlife.com, ns3.metlife.com
NS in the zone
a1-254.akam.net, a13-67.akam.net, a2-64.akam.net, a24-65.akam.net, a4-66.akam.net, a7-67.akam.net, ns.metlife.com, ns2.metlife.com, ns3.metlife.com
NameserverAddressesNetwork (AS)Glue
a1-254.akam.net193.108.91.254 2600:1401:2::feAS20940 AKAMAI-ASN1 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a13-67.akam.net2.22.230.67 2600:1480:800::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a2-64.akam.net95.100.174.64 2600:1480:7000::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a24-65.akam.net2.16.130.65 2600:1480:9800::41AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a4-66.akam.net72.246.46.66 2600:1480:9000::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a7-67.akam.net23.61.199.67 2600:1406:32::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
ns.metlife.com216.163.249.248AS15048 METLIFE-ASN - MetLife, US216.163.249.248
ns2.metlife.com216.163.240.251AS15048 METLIFE-ASN - MetLife, US216.163.240.251
ns3.metlife.com209.164.208.172AS15048 METLIFE-ASN - MetLife, US209.164.208.172

Checks

  • ✓ 9 nameservers #6
    Delegated to a1-254.akam.net, a13-67.akam.net, a2-64.akam.net, a24-65.akam.net, a4-66.akam.net, a7-67.akam.net, ns.metlife.com, ns2.metlife.com, ns3.metlife.com.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: ns.metlife.com, ns2.metlife.com, ns3.metlife.com.
  • ✓ 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 9 IPv4 /24s and 6 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS15048 (METLIFE-ASN - MetLife, US): 3 addresses; AS20940 (AKAMAI-ASN1 - Akamai International B.V., NL): 1 address; AS21342 (AKAMAI-ASN2 - Akamai International B.V., NL): 11 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns.metlife.com, ns2.metlife.com, ns3.metlife.com.
    #13

Nameservers

warn

15 of 15 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a1-254.akam.net 193.108.91.254NOERROR, 3 ms, authoritativenoyes / yesrefused41824.8
a1-254.akam.net 2600:1401:2::feNOERROR, 6 ms, authoritativenoyes / yesrefused41824.7
a13-67.akam.net 2.22.230.67NOERROR, 9 ms, authoritativenoyes / yesrefused41824.10
a13-67.akam.net 2600:1480:800::43NOERROR, 9 ms, authoritativenoyes / yesrefused41824.7
a2-64.akam.net 95.100.174.64NOERROR, 9 ms, authoritativenoyes / yesrefused48878.33
a2-64.akam.net 2600:1480:7000::40NOERROR, 8 ms, authoritativenoyes / yesrefused48878.29
a24-65.akam.net 2.16.130.65NOERROR, 7 ms, authoritativenoyes / yesrefused48878.33
a24-65.akam.net 2600:1480:9800::41NOERROR, 7 ms, authoritativenoyes / yesrefused48878.30
a4-66.akam.net 72.246.46.66NOERROR, 3 ms, authoritativenoyes / yesrefused48878.31
a4-66.akam.net 2600:1480:9000::42NOERROR, 4 ms, authoritativenoyes / yesrefused48878.30
a7-67.akam.net 23.61.199.67NOERROR, 9 ms, authoritativenoyes / yesrefused41824.10
a7-67.akam.net 2600:1406:32::43NOERROR, 9 ms, authoritativenoyes / yesrefused41824.7
ns.metlife.com 216.163.249.248NOERROR, 97 ms, authoritativenoyes / yesrefused-
ns2.metlife.com 216.163.240.251NOERROR, 100 ms, authoritativenoyes / yesrefused-
ns3.metlife.com 209.164.208.172NOERROR, 101 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 15 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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-254.akam.net: "41824.8"; a1-254.akam.net: "41824.7"; a13-67.akam.net: "41824.10"; a13-67.akam.net: "41824.7"; a2-64.akam.net: "48878.33"; a2-64.akam.net: "48878.29"; a24-65.akam.net: "48878.33"; a24-65.akam.net: "48878.30"; a4-66.akam.net: "48878.31"; a4-66.akam.net: "48878.30"; a7-67.akam.net: "41824.10"; a7-67.akam.net: "41824.7". Hide or replace the version string.
    #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 2005150645 · primary ns.metlife.com

Found

Primary (MNAME)
ns.metlife.com
Contact (RNAME)
hostmaster.metlife.com
Serial
2005150645
Refresh / retry
10800 s / 3600 s
Expire
2419200 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
a1-254.akam.net (193.108.91.254)2005150645
a1-254.akam.net (2600:1401:2::fe)2005150645
a13-67.akam.net (2.22.230.67)2005150645
a13-67.akam.net (2600:1480:800::43)2005150645
a2-64.akam.net (95.100.174.64)2005150645
a2-64.akam.net (2600:1480:7000::40)2005150645
a24-65.akam.net (2.16.130.65)2005150645
a24-65.akam.net (2600:1480:9800::41)2005150645
a4-66.akam.net (72.246.46.66)2005150645
a4-66.akam.net (2600:1480:9000::42)2005150645
a7-67.akam.net (23.61.199.67)2005150645
a7-67.akam.net (2600:1406:32::43)2005150645
ns.metlife.com (216.163.249.248)2005150645
ns2.metlife.com (216.163.240.251)2005150645
ns3.metlife.com (209.164.208.172)2005150645

Checks

  • ✓ Serial 2005150645 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 28d, negative TTL 5m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.metlife.com is one of the listed nameservers.
  • ✓ Contact hostmaster@metlife.com #25
    The SOA RNAME hostmaster.metlife.com means hostmaster@metlife.com.
  • ✓ Timestamp serial #26
    The serial 2005150645 is a Unix timestamp (2033-07-16 18:17 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

58 records at the apex

Found

Read from
193.108.91.254:53
TypeValueTTL
SOAns.metlife.com. hostmaster.metlife.com. 2005150645 10800 3600 2419200 300300
NSns.metlife.com.300
NSa2-64.akam.net.300
NSa13-67.akam.net.300
NSa7-67.akam.net.300
NSa1-254.akam.net.300
NSa4-66.akam.net.300
NSns3.metlife.com.300
NSns2.metlife.com.300
NSa24-65.akam.net.300
A209.164.208.7600
A209.164.192.109600
MX10 mx2.metlife.com.300
MX10 mx1.metlife.com.300
MX100 mx2.hc1983-11.iphmx.com.300
MX100 mx1.hc1983-11.iphmx.com.300
TXT"google-site-verification=XOk4GzmAUS8cJyPMbmIamq1MtA23y_SLT2XrlBGtsPo"300
TXT"mozhqNTaCe5yQmagnT6o/p8xHvgKvSVhuOaD1X4kbGLbogrLTP4cjkGegPdRRscvZP+ClaTRAQpQPf6iFP9gHw=="300
TXT"00DDS000001gQHA=1TBWr00000003dp"300
TXT"94Fa8tWmklE8h5H_2ub0"300
TXT"_sx9sibjgubd8pu9e09j8nkgxioy72vo"300
TXT"SFMC-v-xHifsATOTzHpzzHIWBOl_Zq0ZlsGh12Tujh7hq"300
TXT"duo_sso_verification=lmOFE6oJujWqfwYA1wKlUAmdfdcRf3XPvd6HAtsg6rU3GVfbpvIkYBcSurbIaXCX"300
TXT"00D5B000000Eug2=1TBdz00000000kn"300
TXT"_ep5wzpowa8tji1lygv53difolzzv659"300
TXT"sending_domain153731=a51b6eceac19535d9b4fc3ef5af1d9a0b2745c3c8073a52241fed304d85b7299"300
TXT"google-site-verification=RsYhPrPxYDIjRU47zZbBzpBISAoW9YSCQO8cpegHVfc"300
TXT"pardot153731=323c876104ed97a536a9b72416db1af66eeac6e6200739f8c73c4252993a786a"300
TXT"_9dff1jy0x2fjivxykcr0iyf22mb2zgt"300
TXT"cloudflare_dashboard_sso=55cf015b7515413c2ec629a90b1a34d7"300
TXT"uber-domain-verification=69f944a9-1b5f-4091-9357-619c6539e7a6"300
TXT"google-gws-recovery-domain-verification=66051252"300
TXT"twilio-domain-verification=758534b1efb07ea5c4bf77f130dc160b"300
TXT"stripe-verification=BA4FC1EAAD55C999937C337E37F5A6D4FB8DECFA2F2DCDD08A8D3B9465DF68DA"300
TXT"MS=ms19824334"300
TXT"ZOOM_verify_8msEQ9pqpmU0kP7eRmNOAG"300
TXT"canva-site-verification=NSp1rubSzsmhGpmGqRBm8w"300
TXT"v=spf1 include:_spf.metlife.com include:_spf3.metlife.com ~all"300
TXT"miro-verification=4af63e43eb876c31470b6faf767b1644046ab5d0"300
TXT"jamf-site-verification=UmPBTmsfAfZFaKkT1VnVGw"300
TXT"infoblox-domain-mastery=0a7253fd7e76b83fb11e91cab9150698db2d23dda0824d08666e139d5a6495db62"300
TXT"stripe-verification=F801EC919FBB4D01B31AC07B367B5487F5FC6048F98127B00F934B80757B9F38"300
TXT"_c36ns9pgyw794wn8hhh6a7hu14s68cc"300
TXT"SDc+4EOQtfnaUxfyY8URv5amoO0Z65Hk9eks9sDIsl9TOfLNQEblxGLOOltIBwUFRPcOgVusIcGH6ToW9NC1HA=="300
TXT"facebook-domain-verification=rx7wl8evvdk3fv5cx911wkwklsir49"300
TXT"vertexinc-cloud-665a34a0-b254-4531-93b3-0f3a2e2b2979"300
TXT"flexera-domain-verification-guxkdvxgpulkcizw"300
TXT"MS=ms74093254"300
TXT"hcp-domain-verification=143dc0f7f023aba7cc49c7c034910f2de19f5ec41a639ece0f0a15ec30ff7280"300
TXT"google-site-verification=ypsDw21e4Fsw1PsIJ3lSTmqDiBwNoyapGO7xeVST1EM"300
TXT"anthropic-domain-verification-6fp5ef=iOf8vBzdFE9bbJ2KUit6pJC6a"300
TXT"SFMC-D0b7aqRgSZF8M4r6SiGn_gymlFcpbBYR5xRY6SQD"300
TXT"00D4F0000008fsG=1TBWK00000001tm"300
TXT"_g4l9ocnios2enp8m3y9hipwg8r6we6z"300
TXT"google-site-verification=mnzLM4n-vXShKTOtzTKZWuidirXpOikX6tNdiJcMxb8"300
TXT"537418cde248ae2dfda6516c6b7b404e481f31cd9b7e560f7483d5bc3007fb5a"300
TXT"flexera-domain-verification-tffrjryoomkacqcv"300
TXT"adobe-idp-site-verification=fc57d3e1346858448d2bcf628217aadbc40e774466e76d0a1780a99255d99ae7"300

Checks

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