DNS Report: city-data.com

Generated: 2026-08-09T08:49:28-05:00

81/100

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.
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 certificate55/55138 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: www.city-data.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/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
51.81.5.187
AAAA
CNAME
MX
10 mail.city-data.com.
TXT
"google-site-verification=5q5gU1oLdlTcpuzSo_aNYrf8VTwEdaw6MOhk_eR3SP8"
"v=spf1 ip4:23.227.169.170 mx include:_spf.google.com -all"
NS
ns13.dnsmadeeasy.com.
ns14.dnsmadeeasy.com.
ns12.dnsmadeeasy.com.
ns11.dnsmadeeasy.com.
ns10.dnsmadeeasy.com.
ns15.dnsmadeeasy.com.
SOA
ns20.digicertdns.com. dns.digicertdns.com. 2009010595 43200 3600 1209600 180
CAA
0 issue "comodoca.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP