DNS Report: zlib.net

Generated: 2026-08-08T20:11:51-05:00

75/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 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.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
ERRORDMARC0/25DMARC policy not found.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5567 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: 85.187.148.2.static.a2webhosting.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
85.187.148.2
AAAA
CNAME
MX
0 zlib.net.
TXT
"v=spf1 +mx +a +ip4:68.66.224.49 ~all"
NS
ns3.a2hosting.com.
ns1.a2hosting.com.
ns4.a2hosting.com.
ns2.a2hosting.com.
SOA
ns1.a2hosting.com. root.az1-ss24.a2hosting.com. 2026071703 3600 1800 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP