Domain report: hvv.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.perdata.net, ns3.perdata.net, ns3.power-from-the-eastside.com

Found

Parent zone: de
Delegation from: a.nic.de (194.0.0.53)
NS at the parent: ns1.perdata.net, ns3.perdata.net, ns3.power-from-the-eastside.com
NS in the zone: ns1.perdata.net, ns3.perdata.net, ns3.power-from-the-eastside.com

Nameserver	Addresses	Network (AS)	Glue
ns1.perdata.net	83.137.32.51 2a01:be80:100:53::53	AS51401 arvato-systems-AS - Arvato Systems GmbH, DE AS51401 arvato-systems-AS - Arvato Systems GmbH, DE	-
ns3.perdata.net	83.137.32.36 2a01:be80:100:8053::53	AS51401 arvato-systems-AS - Arvato Systems GmbH, DE AS51401 arvato-systems-AS - Arvato Systems GmbH, DE	-
ns3.power-from-the-eastside.com	84.17.168.77 2a01:4a8:3222:2222::32	AS33873 arvato-systems-AS - Arvato Systems GmbH, DE AS33873 arvato-systems-AS - Arvato Systems GmbH, DE	-

Checks

✓ 3 nameservers #6

Delegated to ns1.perdata.net, ns3.perdata.net, ns3.power-from-the-eastside.com.
✓ 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 2 IPv4 /24s and 2 IPv6 /48s.
✓ 2 autonomous systems #11

The nameservers are spread over: AS33873 (arvato-systems-AS - Arvato Systems GmbH, DE): 2 addresses; AS51401 (arvato-systems-AS - Arvato Systems GmbH, DE): 4 addresses.
✓ Nameserver names under 2 TLDs #12

Nameserver names use the TLDs .com, .net.
✓ All reachable over IPv6 #13

Every nameserver has an IPv6 address.

Nameservers

info

6 of 6 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns1.perdata.net 83.137.32.51	NOERROR, 18 ms, authoritative	no	yes / yes	refused	not currently available
ns1.perdata.net 2a01:be80:100:53::53	NOERROR, 18 ms, authoritative	no	yes / yes	refused	not currently available
ns3.perdata.net 83.137.32.36	NOERROR, 18 ms, authoritative	no	yes / yes	refused	not currently available
ns3.perdata.net 2a01:be80:100:8053::53	NOERROR, 20 ms, authoritative	no	yes / yes	refused	not currently available
ns3.power-from-the-eastside.com 84.17.168.77	NOERROR, 15 ms, authoritative	no	yes / yes	refused	not currently available
ns3.power-from-the-eastside.com 2a01:4a8:3222:2222::32	NOERROR, 19 ms, authoritative	no	yes / yes	refused	not currently available

Checks

✓ 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.
i

Identifying string disclosed

These nameservers answer version queries with a string that is not a version number: ns1.perdata.net: "not currently available"; ns3.perdata.net: "not currently available"; ns3.power-from-the-eastside.com: "not currently available".

#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 2026080956 · primary ns1.perdata.net

Found

Primary (MNAME): ns1.perdata.net
Contact (RNAME): hostmaster.perdata.de
Serial: 2026080956
Refresh / retry: 86400 s / 3600 s
Expire: 1814400 s
Negative TTL: 3600 s

Serial per nameserver

Nameserver	Serial
ns1.perdata.net (83.137.32.51)	2026080956
ns1.perdata.net (2a01:be80:100:53::53)	2026080956
ns3.perdata.net (83.137.32.36)	2026080956
ns3.perdata.net (2a01:be80:100:8053::53)	2026080956
ns3.power-from-the-eastside.com (84.17.168.77)	2026080956
ns3.power-from-the-eastside.com (2a01:4a8:3222:2222::32)	2026080956

Checks

✓ Serial 2026080956 everywhere #22

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

SOA refresh 1d, retry 1h, expire 21d, negative TTL 1h.
✓ Primary is a public nameserver #24

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

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

The serial 2026080956 follows the YYYYMMDDnn convention (2026-08-09).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC3
NSEC3: 10 iterations, 8-byte salt
Signatures valid until: 15 November 2026

DS at the parent

Key tag	Algorithm	Digest	Matches a key
7555	RSASHA256 (8)	SHA256 0B1739DFE6BE0BFD…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
7555	KSK (257)	RSASHA256 (8)
49410	ZSK (256)	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 7555 (SHA256).
✓ Modern algorithms #29

Key algorithms: RSASHA256 (8).
✓ Signatures valid until 2026-11-15 #30

The earliest DNSKEY/SOA signature expires at 2026-11-15 14:23 UTC.
!

NSEC3 with extra iterations or salt

NSEC3 uses 10 iterations and a 8-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.

#31

Records

info

15 records at the apex

Found

Read from: 83.137.32.51:53

Type	Value	TTL
SOA	ns1.perdata.net. Hostmaster.perdata.de. 2026080956 86400 3600 1814400 3600	43200
NS	ns3.power-from-the-eastside.com.	43200
NS	ns3.perdata.net.	43200
NS	ns1.perdata.net.	43200
A	128.65.209.119	300
MX	10 mx04.hornetsecurity.com.	43200
MX	10 mx03.hornetsecurity.com.	43200
MX	10 mx01.hornetsecurity.com.	43200
MX	10 mx02.hornetsecurity.com.	43200
TXT	"skcq5bss03d7j11e1rsses6074"	43200
TXT	"MS=889D9E321C4BE9D7F0D98B0B7B1F4563A3620CD2"	43200
TXT	"oo0dbtc8lqpujh8r40juoeqfrk"	43200
TXT	"facebook-domain-verification=3yqbt0ajmve4q80uhqyyo01ylq82zl"	43200
TXT	"v=spf1 mx ip4:185.91.106.64/28 ip4:178.77.121.128/26 ip4:185.5.24.0/23 ip6:2a01:be80:8100:4::/64 ip4:212.12.39.194 ip4:213.238.45.78 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.crsend.com include:spf.flowmailer.net ~all"	43200
TXT	"apple-domain-verification=vbRMYDSCRlxSfOf1"	43200

Checks

✓ TTLs within range #32

TTLs: A 5m, MX 12h, NS 12h. The NS TTL at the parent is 1d and in the zone 12h; 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.
i

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