DNS Report: loc.gov

Generated: 2026-08-08T17:31:02-05:00

86/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/202 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5575 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.18.64.82
104.17.6.58
AAAA
2606:4700::6811:63a
2606:4700::6812:4052
CNAME
MX
10 mxb-00026101.gslb.gpphosted.com.
10 mxa-00026101.gslb.gpphosted.com.
TXT
"webexdomainverification.NQCL=b1bef083-e011-4dcf-b1f7-42204b82128e"
"ZA=NzrYbQCQ4geLYL//TYHmJA=="
"google-site-verification=D5cqNFQ7z5rT2z4OXeYRmxrMc80omDUqEGtsNFY9N_g"
"538fe1481176c669d55eb1a37227bd0a3ccfb28d6a2838429e59f504dc3070d3"
"MS=ms90737861"
"yTrNm8yrlLjz94UZ1A2UUPz7Gv5UfCIypoGH1HmXjNs="
"62QSYa/kfNXdxXnLjT9/ZOyvqed/KSL3dFy+b7K7EFS08xeEY8vGX0IT9BCOCvkgLa16BcrmaQhTgKeOMK6njA=="
"v=spf1 include:spf1.loc.gov include:spf2.loc.gov include:spf-00026101.gpphosted.com mx -all"
"google-site-verification=o0tsBc2NuJSImRS3MromAcC8lwoaWNp5LFZlmJXB0-0"
"adobe-idp-site-verification=02f02861-90f5-4cf5-9922-c67c80a7bf26"
"e9af54f5-6e02-4c11-84a3-ab9d25e7b454"
"atlassian-domain-verification=nWInaz9qwixZxg4Ef5K7jmsSKDAlta15azD9kOFROWwn8xjciPtK3MK4SUFB1R1/"
NS
alice.ns.cloudflare.com.
kevin.ns.cloudflare.com.
SOA
alice.ns.cloudflare.com. dns.cloudflare.com. 2411593402 10000 2400 604800 1800
CAA
DS
2371 13 2 C975D3D3F2857C9EFB6D1F5313B06528E1FE8908CAB6E82C5C02C462 875BF27E
DNSKEY
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
RRSIG
DNSKEY 13 2 3600 20260928200705 20260729200705 2371 loc.gov. lOCt3yP0VjkTdU3xGsfWmyO34th8YxXhm/p0X+AePQ4oTwZ55FwEwj3J DhHmUkDLAHzNOT2FtSLgcOpuZbQIxA==
NS 13 2 86400 20260809233050 20260807213050 34505 loc.gov. 2WBlB4H7ur2ctC7qLYqcbQYNNfmA0UvwFO/o6yRn6MQyywMTYnmBnYZd b8hkleOE1C1cvlUSB9QgZsLcSIOSWg==
MX 13 2 300 20260809233050 20260807213050 34505 loc.gov. s77GP32J6DL/rmLGGtRPpJzUVRxpyUf/crV3o+xkUd6paTBkdPZYrPTE BBKKc9CaAA/nOYtoZDozXkLlc2bB6Q==
AAAA 13 2 300 20260809233050 20260807213050 34505 loc.gov. nVY0nJgGMTr3+ZlE0750HAWibgaX2rW+tfKesx58AxgvkzcoYNL6XyMG 56bU5BTrAbwv6Fy/5+5OEHsf/t1KBQ==
A 13 2 300 20260809233050 20260807213050 34505 loc.gov. j4Uwh/XB7AFOrn17w3jlld6z3+iIomyNcQmnYoccZckos/ujpuwX54VR NDgqHU4aKacFM64iU239NF72kyh4mA==
DS 13 2 3600 20260809233050 20260807213050 35496 gov. U9U3zZ9+zF3Fi62k4PNw43KnpN42DkDqalxwfY52HXMRtj++qsCbeeLI v9w110Y8pUiXUJBtes2zuVH4rrmUww==
NSEC
\000.loc.gov. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA
NSEC3
SRV
NAPTR
TLSA
SSHFP