DNS Report: grc.com

Generated: 2026-08-09T10:33:19-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5514 day(s) remaining.
WARNINGCertificate lifetime2/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: grc.com
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/1.1 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
4.79.142.200
AAAA
CNAME
MX
10 grc.com.
TXT
"v=spf1 ip4:4.79.142.192/28 a:client.grc.com a:grc.com -all"
"_e9izydias4fdktb7grdz8lx129rf0kz"
"google-site-verification=lTHvpojcfPIYXGkOqbku5TcOkpo52Exo-qWuQJi5bpw"
"_bpovimyxhv2xbvowiwnvlkhz27b4z4f"
"7pdq8vl28psslbzzx8g9s3pbwjvksk24"
NS
ns3.level3.net.
ns4.level3.net.
SOA
grc.com. dns2005.grc.com. 2026072408 14400 300 5184000 14400
CAA
0 issue "digicert.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP