Domain report: klug-suchen.de

Registration

info

.de country-code

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.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

pass

ns17.knipp.net, ns2.knipp.de, ns3.knipp.de

Nameserver	Addresses	Network (AS)	Glue
ns17.knipp.net	195.253.51.61 2a01:5b0:2:56::3d	AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS48519 KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE	-
ns2.knipp.de	195.253.6.52 2a01:5b0:0:29::34	AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE	-
ns3.knipp.de	195.253.113.3 2a01:5b0:31::3	AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE	-

✓ 3 nameservers #6

Delegated to ns17.knipp.net, ns2.knipp.de, ns3.knipp.de.
✓ Parent and zone agree #7

The parent delegation and the zone's NS records list the same nameservers.
✓ No glue needed #8

All nameservers are outside the zone, so no glue records are needed.
✓ 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 3 IPv4 /24s and 3 IPv6 /48s.
✓ 2 autonomous systems #11

The nameservers are spread over: AS48519 (KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE): 1 address; AS8391 (KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE): 5 addresses.
✓ Nameserver names under 2 TLDs #12

Nameserver names use the TLDs .de, .net.
✓ 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
ns17.knipp.net 195.253.51.61	NOERROR, 35 ms, authoritative	no	yes / yes	refused	-
ns17.knipp.net 2a01:5b0:2:56::3d	NOERROR, 14 ms, authoritative	no	yes / yes	refused	-
ns2.knipp.de 195.253.6.52	NOERROR, 9 ms, authoritative	no	yes / yes	refused	-
ns2.knipp.de 2a01:5b0:0:29::34	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns3.knipp.de 195.253.113.3	NOERROR, 9 ms, authoritative	no	yes / yes	refused	-
ns3.knipp.de 2a01:5b0:31::3	NOERROR, 10 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.

info

serial 2010122503 · primary ns.wb-online.de

✓ Serial 2010122503 everywhere #22

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

SOA refresh 12h, retry 2h, expire 7d, negative TTL 1d.
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Hidden master

The primary nameserver ns.wb-online.de is not listed as a nameserver: a hidden master that only feeds the public secondaries. That is a common setup; make sure it is not reachable for zone transfers from outside.

#24
✓ Contact ns@wb-online.de #25

The SOA RNAME ns.wb-online.de means ns@wb-online.de.
✓ Date-based serial #26

The serial 2010122503 follows the YYYYMMDDnn convention (2010-12-25).

warn

Not signed

info

6 records at the apex

Type	Value	TTL
SOA	ns.wb-online.de. ns.wb-online.de. 2010122503 43200 7200 604800 86400	86400
NS	ns17.knipp.net.	86400
NS	ns3.knipp.de.	86400
NS	ns2.knipp.de.	86400
MX	100 mail.wb-online.de.	86400
TXT	"v=spf1 a:katja.wb-online.de mx -all"	3600