Domain report: bverfg.de

Registration

info

.de country-code

Found

TLD: .de (country-code)
ICANN policies apply: no

Checks

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.
i

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

Delegation

pass

ns1.itzbund.de, ns2.itzbund.de, pns.dtag.de, secondary006.dtag.net

Found

Parent zone: de
Delegation from: a.nic.de (194.0.0.53)
NS at the parent: ns1.itzbund.de, ns2.itzbund.de, pns.dtag.de, secondary006.dtag.net
NS in the zone: ns1.itzbund.de, ns2.itzbund.de, pns.dtag.de, secondary006.dtag.net

Nameserver	Addresses	Network (AS)	Glue
ns1.itzbund.de	80.245.159.11 2a09:1480:0:8::10	AS35704 ITZBund - ITZBund, DE AS35704 ITZBund - ITZBund, DE	80.245.159.11 2a09:1480:0:8::10
ns2.itzbund.de	80.245.159.12 2a09:1480:0:8::11	AS35704 ITZBund - ITZBund, DE AS35704 ITZBund - ITZBund, DE	80.245.159.12 2a09:1480:0:8::11
pns.dtag.de	194.25.0.125 2003:40:8000::100	AS3320 DTAG - Deutsche Telekom AG, DE AS3320 DTAG - Deutsche Telekom AG, DE	194.25.0.125 2003:40:8000::100
secondary006.dtag.net	195.244.245.25 2a00:fa8:3:0:100:0:6:1	AS5605 NETUSE - NetUSE AG, DE AS5605 NETUSE - NetUSE AG, DE	-

Checks

✓ 4 nameservers #6

Delegated to ns1.itzbund.de, ns2.itzbund.de, pns.dtag.de, secondary006.dtag.net.
✓ 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.
✓ 3 autonomous systems #11

The nameservers are spread over: AS3320 (DTAG - Deutsche Telekom AG, DE): 2 addresses; AS35704 (ITZBund - ITZBund, DE): 4 addresses; AS5605 (NETUSE - NetUSE AG, DE): 2 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.

Nameservers

info

8 of 8 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns1.itzbund.de 80.245.159.11	NOERROR, 4 ms, authoritative	no	yes / yes	refused	-
ns1.itzbund.de 2a09:1480:0:8::10	NOERROR, 4 ms, authoritative	no	yes / yes	refused	-
ns2.itzbund.de 80.245.159.12	NOERROR, 5 ms, authoritative	no	yes / yes	refused	-
ns2.itzbund.de 2a09:1480:0:8::11	NOERROR, 5 ms, authoritative	no	yes / yes	refused	-
pns.dtag.de 194.25.0.125	NOERROR, 9 ms, authoritative	no	yes / yes	refused	DomainNameServer
pns.dtag.de 2003:40:8000::100	NOERROR, 7 ms, authoritative	no	yes / yes	refused	DomainNameServer
secondary006.dtag.net 195.244.245.25	NOERROR, 13 ms, authoritative	no	yes / yes	refused	DomainNameServer
secondary006.dtag.net 2a00:fa8:3:0:100:0:6:1	NOERROR, 16 ms, authoritative	no	yes / yes	refused	DomainNameServer

Checks

✓ All respond #14

All 8 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.
i

Identifying string disclosed

These nameservers answer version queries with a string that is not a version number: pns.dtag.de: "DomainNameServer"; secondary006.dtag.net: "DomainNameServer".

#17
✓ 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.

SOA

pass

serial 2026091051 · primary ns1.itzbund.de

Found

Primary (MNAME): ns1.itzbund.de
Contact (RNAME): hostmaster.itzbund.de
Serial: 2026091051
Refresh / retry: 10800 s / 3600 s
Expire: 1209600 s
Negative TTL: 86400 s

Serial per nameserver

Nameserver	Serial
ns1.itzbund.de (80.245.159.11)	2026091051
ns1.itzbund.de (2a09:1480:0:8::10)	2026091051
ns2.itzbund.de (80.245.159.12)	2026091051
ns2.itzbund.de (2a09:1480:0:8::11)	2026091051
pns.dtag.de (194.25.0.125)	2026091051
pns.dtag.de (2003:40:8000::100)	2026091051
secondary006.dtag.net (195.244.245.25)	2026091051
secondary006.dtag.net (2a00:fa8:3:0:100:0:6:1)	2026091051

Checks

✓ Serial 2026091051 everywhere #22

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

SOA refresh 3h, retry 1h, expire 14d, negative TTL 1d.
✓ Primary is a public nameserver #24

The primary nameserver ns1.itzbund.de is one of the listed nameservers.
✓ Contact hostmaster@itzbund.de #25

The SOA RNAME hostmaster.itzbund.de means hostmaster@itzbund.de.
✓ Date-based serial #26

The serial 2026091051 follows the YYYYMMDDnn convention (2026-09-10).

DNSSEC

pass

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC3
NSEC3: 0 iterations, 0-byte salt
Signatures valid until: 29 October 2026

DS at the parent

Key tag	Algorithm	Digest	Matches a key
26150	RSASHA256 (8)	SHA256 3187BE0EAACA36EF…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
56853	ZSK (256)	RSASHA256 (8)
26150	KSK (257)	RSASHA256 (8)

Checks

✓ Signed and validated #27

The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
✓ DS matches a key #28

The DS record at the parent matches a key in the zone: key tag 26150 (SHA256).
✓ Modern algorithms #29

Key algorithms: RSASHA256 (8).
✓ Signatures valid until 2026-10-29 #30

The earliest DNSKEY/SOA signature expires at 2026-10-29 05:15 UTC.
✓ NSEC3 as recommended #31

The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

info

9 records at the apex

Found

Read from: 80.245.159.11:53

Type	Value	TTL
SOA	ns1.itzbund.de. hostmaster.itzbund.de. 2026091051 10800 3600 1209600 86400	3600
NS	ns2.itzbund.de.	3600
NS	secondary006.dtag.net.	3600
NS	ns1.itzbund.de.	3600
NS	pns.dtag.de.	3600
MX	10 mx1.bund.de.	86400
MX	20 mx2.bund.de.	86400
TXT	"v=spf1 include:_spf1.bund.de -all"	3600
TXT	"apple-domain-verification=zTcPiRlMhT9Q1Yxp"	3600

Checks

✓ TTLs within range #32

TTLs: MX 1d, NS 1h. The NS TTL at the parent is 1d and in the zone 1h; resolvers may use either.
✓ No CNAME at the apex #33

The zone apex has no CNAME record.
✓ No wildcard #34

Names that don't exist return NXDOMAIN.
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No CAA records

Without CAA records any certificate authority may issue certificates for this domain. A CAA record limits issuance to the CAs you use.

#35