DNS Report: uni-potsdam.de

Generated: 2026-08-09T11:54:16-05:00

80/100

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 records20/204 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
OKMTA-STS5/5Mail transport policy.
OKTLS-RPT5/5TLS reporting policy.
OKValid TLS certificate55/55181 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: n-cmsv13-prod.rz.uni-potsdam.de
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
141.89.239.5
AAAA
CNAME
MX
20 smtpin2.uni-potsdam.de.
10 smtpin.uni-potsdam.de.
40 mx1.uni-potsdam.de.
50 mx2.uni-potsdam.de.
TXT
"HARICA-ZbuCl6xDcK1Wli4u6eD"
"ab4be8ed12551736a76278b3402d8559"
"apple-domain-verification=Gh1qmp8sA17o8ZvN"
"_telesec-domain-validation=349631_2025-11-17_HNwcLkh03Ddy1qHs7A6aygcEJNVEHPiUW7N7R7Bnw0DvKHUiLu"
"v=spf1 ip4:141.89.0.0/16 -all"
"google-site-verification=bvFklgX2769oDkgPohNT--p0EbinjjxjiPBYhYIeyB8"
"MS=45E3C90905CC87EE8DF150679F8ADA75DAEBF47B"
"google-site-verification=ZPdU16_maEnCAzHFl-8Bvx9SKmjCDC4CnJ80hVWQBRU"
NS
dns-3.dfn.de.
ns1.uni-potsdam.de.
deneb.dfn.de.
ns2.uni-potsdam.de.
SOA
ns1.uni-potsdam.de. root.rz.uni-potsdam.de. 2024121261 10800 3600 2419200 900
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP