Domain report: mkg-hamburg.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

info

ns1.pool2.omc-dns.de, ns2.pool2.omc-dns.de, ns3.pool2.omc-dns.de, ns4.pool2.omc-dns.com, ns5.pool2.omc-dns.com, ns6.pool2.omc-dns.com

Found

Parent zone: de
Delegation from: a.nic.de (194.0.0.53)
NS at the parent: ns1.pool2.omc-dns.de, ns2.pool2.omc-dns.de, ns3.pool2.omc-dns.de, ns4.pool2.omc-dns.com, ns5.pool2.omc-dns.com, ns6.pool2.omc-dns.com
NS in the zone: ns1.pool2.omc-dns.de, ns2.pool2.omc-dns.de, ns3.pool2.omc-dns.de, ns4.pool2.omc-dns.com, ns5.pool2.omc-dns.com, ns6.pool2.omc-dns.com

Nameserver	Addresses	Network (AS)	Glue
ns1.pool2.omc-dns.de	212.77.225.199 2a02:2800::225:199	AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE	212.77.225.199 2a02:2800::225:199
ns2.pool2.omc-dns.de	87.238.194.154	AS42730 EVANZOAS - EVANZO e-commerce GmbH, DE	87.238.194.154
ns3.pool2.omc-dns.de	212.77.227.199 2a02:2800::227:199	AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE	212.77.227.199 2a02:2800::227:199
ns4.pool2.omc-dns.com	212.77.227.199 2a02:2800::227:199	AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE	-
ns5.pool2.omc-dns.com	87.238.194.8	AS42730 EVANZOAS - EVANZO e-commerce GmbH, DE	-
ns6.pool2.omc-dns.com	212.77.225.199 2a02:2800::225:199	AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE	-

Checks

✓ 6 nameservers #6

Delegated to ns1.pool2.omc-dns.de, ns2.pool2.omc-dns.de, ns3.pool2.omc-dns.de, ns4.pool2.omc-dns.com, ns5.pool2.omc-dns.com, ns6.pool2.omc-dns.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.
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One address family in one network

all IPv6 addresses are in 2a02:2800::/48, while the other address family is spread over several networks.

#10
✓ 2 autonomous systems #11

The nameservers are spread over: AS42730 (EVANZOAS - EVANZO e-commerce GmbH, DE): 2 addresses; AS8893 (ARTFILES-AS - Artfiles New Media GmbH, DE): 8 addresses.
✓ Nameserver names under 2 TLDs #12

Nameserver names use the TLDs .com, .de.
i

Partly IPv6

These nameservers have no IPv6 address: ns2.pool2.omc-dns.de, ns5.pool2.omc-dns.com.

#13

Nameservers

pass

10 of 10 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns1.pool2.omc-dns.de 212.77.225.199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns1.pool2.omc-dns.de 2a02:2800::225:199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns2.pool2.omc-dns.de 87.238.194.154	NOERROR, 4 ms, authoritative	no	yes / yes	refused	-
ns3.pool2.omc-dns.de 212.77.227.199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns3.pool2.omc-dns.de 2a02:2800::227:199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns4.pool2.omc-dns.com 212.77.227.199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns4.pool2.omc-dns.com 2a02:2800::227:199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns5.pool2.omc-dns.com 87.238.194.8	NOERROR, 6 ms, authoritative	no	yes / yes	refused	-
ns6.pool2.omc-dns.com 212.77.225.199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns6.pool2.omc-dns.com 2a02:2800::225:199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-

Checks

✓ All respond #14

All 10 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.

SOA

pass

serial 2026050500 · primary ns1.pool2.omc-dns.de

Found

Primary (MNAME): ns1.pool2.omc-dns.de
Contact (RNAME): hostmaster.omc-dns.de
Serial: 2026050500
Refresh / retry: 3600 s / 1200 s
Expire: 1800000 s
Negative TTL: 300 s

Serial per nameserver

Nameserver	Serial
ns1.pool2.omc-dns.de (212.77.225.199)	2026050500
ns1.pool2.omc-dns.de (2a02:2800::225:199)	2026050500
ns2.pool2.omc-dns.de (87.238.194.154)	2026050500
ns3.pool2.omc-dns.de (212.77.227.199)	2026050500
ns3.pool2.omc-dns.de (2a02:2800::227:199)	2026050500
ns4.pool2.omc-dns.com (212.77.227.199)	2026050500
ns4.pool2.omc-dns.com (2a02:2800::227:199)	2026050500
ns5.pool2.omc-dns.com (87.238.194.8)	2026050500
ns6.pool2.omc-dns.com (212.77.225.199)	2026050500
ns6.pool2.omc-dns.com (2a02:2800::225:199)	2026050500

Checks

✓ Serial 2026050500 everywhere #22

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

SOA refresh 1h, retry 20m, expire 500h, negative TTL 5m.
✓ Primary is a public nameserver #24

The primary nameserver ns1.pool2.omc-dns.de is one of the listed nameservers.
✓ Contact hostmaster@omc-dns.de #25

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

The serial 2026050500 follows the YYYYMMDDnn convention (2026-05-05).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC3
NSEC3: 1 iterations, 16-byte salt
Signatures valid until: 29 October 2026

DS at the parent

Key tag	Algorithm	Digest	Matches a key
17422	RSASHA256 (8)	SHA256 BD663F6382BEAA84…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
27760	ZSK (256)	RSASHA256 (8)
17422	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 17422 (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 00:00 UTC.
!

NSEC3 with extra iterations or salt

NSEC3 uses 1 iteration and a 16-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

14 records at the apex

Found

Read from: 212.77.225.199:53

Type	Value	TTL
SOA	ns1.pool2.omc-dns.de. hostmaster.omc-dns.de. 2026050500 3600 1200 1800000 300	8640
NS	ns2.pool2.omc-dns.de.	8640
NS	ns5.pool2.omc-dns.com.	8640
NS	ns4.pool2.omc-dns.com.	8640
NS	ns1.pool2.omc-dns.de.	8640
NS	ns6.pool2.omc-dns.com.	8640
NS	ns3.pool2.omc-dns.de.	8640
A	195.201.248.57	300
MX	10 mx2.ondataport.de.	300
MX	10 mx1.ondataport.de.	300
TXT	"google-site-verification=GE-CM03SoPCEZolu7CpYhO23hToYegxFzHug_Jj0PRc"	300
TXT	"MS=ms39987030"	300
TXT	"l926dpvz3dqy5qz3r77kt5hbxf9t64kj"	60
TXT	"v=spf1 a mx ip4:141.91.184.160/27 ip4:141.91.162.192/27 include:_spf.mailsec.omc.net include:wlk-msg.de -all"	300

Checks

✓ TTLs within range #32

TTLs: A 5m, MX 5m, NS 144m. The NS TTL at the parent is 1d and in the zone 144m; 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