DNS Report: vaccines.gov

Generated: 2026-08-11T06:49:08-05:00

76/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/206 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.
ERRORMX records0/200 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 certificate55/55149 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers16/354 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: selectagents.gov
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA 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
198.246.102.49
AAAA
CNAME
MX
TXT
"bd4gj30mv0xgsjx7691kdyvpmtnmfkl0"
"v=spf1 -all"
"jrdc90bpkfxs2lnw3pgnwvr8skx8hmtv"
"_2t2qxgy0o3wgpfhh1c48fswr462yeke"
"2w20z4lyyg9nsllw08vwps7sgq93m010"
"_6djwf09onfd4dshi53m5puurnmuqtws"
NS
a1-168.akam.net.
a20-65.akam.net.
a24-65.akam.net.
a8-64.akam.net.
a11-67.akam.net.
a3-67.akam.net.
SOA
ns2.cdc.gov. dnsadmin.cdc.gov. 689965745 10800 3600 604800 84600
CAA
DS
63114 13 2 11F56C53C52B5A944728D59F4F346ECBCFF215B41017E5D23B8196BA B17C9A80
DNSKEY
256 3 13 aH+L6MZQw+MYSprxKhYxcw000H9NqwtN8PTCSv1P6qcrGw9HV8IGYkSt uvBm8JN9CggZTKK90ra9oxG0KFI/fg==
257 3 13 +loPVq0ARR5pSQ8LOxLMxH/od7cXMfrHJh0yRxvrJhCC6Ppeo3bSyHXD DEUOp/3K7rEFirfSq4fw6NcOFVDl3g==
256 3 13 YYFAsIro2otTzYuSfKnmoxqP9b39dN4slNTuONdM9tEYqGeRLRYe5N4i /4QIYdp3bofErhaH1AJrFxN9nEZ+Iw==
257 3 13 9K9pBhnKdRW+C9B+wuiBj+FCPUhgOneGLR/9ZRO2o+qwLk3418aifKbr IREhnz5Zs5VGWuQmkG1iT0YpY9w/OQ==
RRSIG
DNSKEY 13 2 7200 20260814082549 20260811072549 49344 vaccines.gov. leJZvLDpSzR9rOVfdrtRetxkd8gP3uJaMxw1wGapZxL1t/f+0XfmvsJy QocvqzpY227JGG/5nvkBPvanGkHJLg==
DNSKEY 13 2 7200 20260814082549 20260811072549 63114 vaccines.gov. X5zbiod9/T1CTML+YIZgAHZTnFVgLTCDGxmr5Sped8z2sy97P1Y371Mv vrI1wWZ7RSrEvMCyUzXW2MJ+haling==
NSEC3PARAM 13 2 84600 20260814082549 20260811072549 52974 vaccines.gov. p7cWqlxg+J4NV1V84D6qzFZylhwbJDiJTc37OYfLIfA5ghcTFUofLYeg Q+Tc4n8GSwiXGquFfAQJlq7zD7zFOg==
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP