DNS Report: irs.gov

Generated: 2026-08-08T18:15:09-05:00

85/100

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 records20/203 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 certificate55/5510 day(s) remaining.
WARNINGCertificate lifetime2/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: irs.gov
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
152.216.7.110
152.216.11.110
AAAA
2610:30:4000:402::110
2610:30:2000:402::110
CNAME
MX
10 emgc.irs.gov.
10 emge.irs.gov.
20 emgw.irs.gov.
TXT
"v=spf1 ip4:152.216.0.0/20 ip6:2610:30::/32 -all"
"google-site-verification=GsJzgbUY39iE6wPNlPdZCPGWwyhYpWwxpVxaU8g-Aa4"
NS
ns0022.secondary.cloudflare.com.
ns0227.secondary.cloudflare.com.
SOA
ns1.irs.gov. it\.aciouns\.external\.dns\.admin.irs.gov. 2010093270 3600 1800 2419200 900
CAA
DS
10226 8 2 C94F81E17566EBB0ACA0227E07297E9B3236B9DCAFC018BBE72CE0C9 229630BB
DNSKEY
257 3 8 AwEAAdyBXX4YQk/F+GRZr0fnahrki3+8fXT4xgbeKjhBqtYm4YIaOCYV P2Ld0HOimw2oYC9Hm51w+EPxwVp3Y3Yvb3ldpLnxUmHhzh7cAwxeRbBE oj1s6vxdwhLFrbabhtkB+ZATbBLccRhJSa9hcgLJHMG+RQ4Q9pXzfJkt jS/vutdcXPma0zWUjMk/VEg9o9RQG1BNNYRFJVBWbi6eHbNQc16Skz53 jSiU4dSm5xFK71tAz6gB5YGwlSL/05moLUgTE9PkfZZFhRidK02TDOXo f/sxjSTafNXn44NjB4caZfkobDRQHRKlrQNd7MqGtEq5cWTQHJwOdjIE U7Vayefv4Z0=
256 3 8 AwEAAYz3gN/2WRLT4r374atite1706I7GKvb24ktWtiJKFOB8ObYGiV+ bKJR79svJ0l24JGJDXLo+aS5wdhNG3EWZ+IoJjMRvAMwh3ycpZ4ehy0b GrnpLmREXZ/c8O6v7Qw0P/TIOg1UWA2QUZHx1LrYQiKqjDPFzhnJWbDX VDTU2VTZO8gyZY0Wx7WNCVal8RZjYxJyk54mWLEWXnfjoxBOzi8UEIaF Ejbh0w/ZWhayeHg/HyZibJ9uhIXARUGKc5Y76Lc81qjlKHrMkM11ETzn 2pS0VztuXNbVqUfkoljhl+s6Nufm/RdaPm0Bg5PDs2Wv52c1aW0c8xJl z5YsEt6CvQs=
RRSIG
NSEC
_akamai-domain-challenge.irs.gov. A NS SOA MX TXT AAAA RRSIG NSEC DNSKEY
NSEC3
SRV
NAPTR
TLSA
SSHFP