DNS Report: a.co

Generated: 2026-08-08T20:29:57-05:00

65/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/303 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.
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 certificate55/55147 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: ec2-98-87-170-8.compute-1.amazonaws.com
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 405
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
98.87.170.8
44.215.138.88
98.87.170.202
AAAA
CNAME
MX
TXT
"v=spf1 -all"
NS
pdns4.ultradns.org.
pdns5.ultradns.info.
pdns2.ultradns.net.
pdns1.ultradns.net.
pdns6.ultradns.co.uk.
pdns3.ultradns.org.
SOA
dns-external-master.amazon.com. root.amazon.com. 18 28800 900 604800 900
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP