DNS Report: uni-sb.de

Generated: 2026-08-10T20:36:55-05:00

60/100

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.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/203 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 certificate55/55182 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: webredir.rz.uni-saarland.de
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
134.96.7.128
AAAA
CNAME
MX
53 mailin.cs.uni-sb.de.
50 mail.uni-sb.de.
55 mail.cs.uni-sb.de.
TXT
"v=spf1 mx ip4:134.96.254.200 ip4:134.96.254.201 ip4:134.96.252.33 ip4:134.96.7.0/24 ip4:134.96.40.64/28 ip6:2001:638:200:853F:0:1::/112 ~all"
NS
ns.uni-sb.de.
dns1.belwue.de.
ns.cs.uni-sb.de.
ns.rz.uni-saarland.de.
ns1.rz.uni-sb.de.
ns.rz.uni-sb.de.
SOA
ns.uni-sb.de. net.cs.uni-sb.de. 2026032500 21600 3600 900000 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP