Domain report: uni-trier.de

Registration

info

.de country-code

i

.de is a country-code TLD (ccTLD)

Country-code TLD: governed by its local registry under national policy, not by an ICANN contract. Registrar accreditation, dispute resolution and RDAP/WHOIS rules are set by the registry.

#1
✓ TLD delegated and signed #2

.de is delegated in the root zone and DNSSEC-signed.
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Registration data not available

No registration data via RDAP: the registry of .de offers no RDAP service. Many ccTLD registries don't offer RDAP; check the registry's WHOIS instead.

#3

info

ns01.uni-trier.de, ns02.uni-trier.de, ns03.uni-trier.de

Nameserver	Addresses	Network (AS)	Glue
ns01.uni-trier.de	136.199.8.243 2001:4c80:60:8::f3	AS2857 RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE AS2857 RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE	136.199.8.243 2001:4c80:60:8::f3
ns02.uni-trier.de	136.199.8.244 2001:4c80:60:8::f4	AS2857 RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE AS2857 RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE	136.199.8.244 2001:4c80:60:8::f4
ns03.uni-trier.de	46.163.77.179 2a01:488:66:1000:2ea3:4db3:0:1	AS8972 GD-EMEA-DC-SXB1 - Host Europe GmbH, DE AS20773 GODADDY - Host Europe GmbH, DE	46.163.77.179 2a01:488:66:1000:2ea3:4db3:0:1

✓ 3 nameservers #6

Delegated to ns01.uni-trier.de, ns02.uni-trier.de, ns03.uni-trier.de.
✓ Parent and zone agree #7

The parent delegation and the zone's NS records list the same nameservers.
✓ Glue present and correct #8

Glue is published for the nameservers inside the zone: ns01.uni-trier.de, ns02.uni-trier.de, ns03.uni-trier.de.
✓ All names resolve #9

Every nameserver name has an address and is not an alias.
✓ Nameservers in different networks #10

The nameservers are spread over 2 IPv4 /24s and 2 IPv6 /48s.
✓ 3 autonomous systems #11

The nameservers are spread over: AS20773 (GODADDY - Host Europe GmbH, DE): 1 address; AS2857 (RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE): 4 addresses; AS8972 (GD-EMEA-DC-SXB1 - Host Europe GmbH, DE): 1 address.
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All nameserver names under .de

All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.

#12
✓ All reachable over IPv6 #13

Every nameserver has an IPv6 address.

pass

6 of 6 addresses answer authoritatively

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns01.uni-trier.de 136.199.8.243	NOERROR, 6 ms, authoritative	no	yes / yes	refused	-
ns01.uni-trier.de 2001:4c80:60:8::f3	NOERROR, 7 ms, authoritative	no	yes / yes	refused	-
ns02.uni-trier.de 136.199.8.244	NOERROR, 7 ms, authoritative	no	yes / yes	refused	-
ns02.uni-trier.de 2001:4c80:60:8::f4	NOERROR, 7 ms, authoritative	no	yes / yes	refused	-
ns03.uni-trier.de 46.163.77.179	NOERROR, 7 ms, authoritative	no	yes / yes	refused	-
ns03.uni-trier.de 2a01:488:66:1000:2ea3:4db3:0:1	NOERROR, 8 ms, authoritative	no	yes / yes	refused	-

✓ All respond #14

All 6 nameserver addresses answered.
✓ All authoritative #15

Every responding nameserver answers authoritatively for the zone.
✓ No recursion #16

The nameservers do not answer recursive queries for other domains.
✓ No version disclosed #17

The nameservers don't reveal their software version.
✓ Zone transfers refused #18

No nameserver allows a zone transfer to the public.
✓ TCP supported #19

All nameservers answer over TCP.
✓ EDNS supported #20

All nameservers support EDNS(0).
✓ Public addresses #21

All nameserver addresses are publicly routable.

pass

serial 2026102111 · primary ns01.uni-trier.de

✓ Serial 2026102111 everywhere #22

All nameservers serve the same version of the zone.
✓ Timers within recommendations #23

SOA refresh 3h, retry 30m, expire 28d, negative TTL 2h.
✓ Primary is a public nameserver #24

The primary nameserver ns01.uni-trier.de is one of the listed nameservers.
✓ Contact domainadmin@uni-trier.de #25

The SOA RNAME domainadmin.uni-trier.de means domainadmin@uni-trier.de.
✓ Date-based serial #26

The serial 2026102111 follows the YYYYMMDDnn convention (2026-10-21).

warn

Not signed

info

9 records at the apex

Type	Value	TTL
SOA	ns01.uni-trier.de. domainadmin.uni-trier.de. 2026102111 10800 1800 2419200 7200	86400
NS	ns02.uni-trier.de.	86400
NS	ns01.uni-trier.de.	86400
NS	ns03.uni-trier.de.	86400
MX	10 mx.uni-trier.de.	3600
TXT	"v=spf1 ip4:136.199.199.127 ip4:3.123.245.40 ip4:18.193.167.95 ip4:35.156.202.84 include:spfoptional.uni-trier.de include:spf.qb-feedback.com -all"	60
TXT	"adobe-idp-site-verification=6a32eb71cf5abf4a266989e313cd7f47565ab2c6b73becc87240223c5e835d29"	60
TXT	"ZOOM_verify_ZnFnN27uQIGPkOcVYRWBEQ"	60
TXT	"google-site-verification=bWKfrR3q8_9I9FJLZKZZ3svi_37yT4f81yWANbRA0O4"	60