DNS Report: postfix.org

Generated: 2026-08-09T13:20:29-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/101 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 records20/201 MX record(s).
OKSPF25/25SPF policy published.
ERRORDMARC0/25DMARC policy not found.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5535 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: karnak.horus-it.de
WARNINGIPv4 diversity20/35Two 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
95.216.145.1
AAAA
2a01:4f9:c010:8fb::bee
CNAME
MX
10 list.sys4.de.
TXT
"v=spf1 include:_spf.list.sys4.de ~all"
NS
ns2.desec.org.
ns1.desec.io.
SOA
get.desec.io. get.desec.io. 2026064055 86400 3600 2419200 3600
CAA
DS
160 13 2 B7685295BB804541B05659745807F93233BAC3FD0622198EC58A6809 68A58CA5
60454 13 2 6C547AF789D87928823435F6588BA3F5200800C4BBBDCDC44F17D642 2BD09E88
DNSKEY
257 3 13 jsInJDgy9mq/k9EO3EZsq5OjenVgHiam9sW06eCsRnlVbTwtkLQ+aFmX B+wqxGe7HFAjEx6ayr2cedPXRiWi2Q==
RRSIG
NS 13 2 3600 20260820000000 20260730000000 160 postfix.org. hoTQhk3t10lIsMXI4jt1CP1fYBO+klHunMDyulY8bSI8zKt+yHcCWnZK gHJOfj+4qT/U5sKdku5aOAgt4WgFtg==
TXT 13 2 3600 20260820000000 20260730000000 160 postfix.org. eFOm76Z8nRC+jNhfSVmZbJY/PgMJOO4FmktcxGxFzoEsJiTkE1XDDCpe SeWlXfIR2TPyz/wqjGVg+C4KF3GdMw==
DS 8 2 3600 20260830152406 20260809142406 44925 org. iwP8TuTD2NwqcXuQC4vjcVHfeOyK60n6NLzcdbqvBGIO6MfFp87Gv7n0 jrTnBD9NT2skMCgB0JtuQu8feFHt3RoWDX3qaHHxg2dWZXHeJQycn66w Z4CCmhu0/DvpgJgAVLBQZFurYSUBwvvpYbK+6aXi0WxDmxa0b2hcezsO A3g=
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP