delmenhorst.de

Checked 21 October 2026, 22:12 UTC · via 8.8.8.8
!Passed with warnings
23 passed 2 warnings 0 failed 4 info

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

warn

dns.bremen-nord.de, dns.vege.net, ns2.bremen-nord.de, ns2.y4i.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
dns.bremen-nord.de, dns.vege.net, ns2.bremen-nord.de, ns2.y4i.de
NS in the zone
dns.bremen-nord.de, dns.vege.net, ns2.bremen-nord.de, ns2.y4i.de
NameserverAddressesNetwork (AS)Glue
dns.bremen-nord.de193.101.47.138AS8893 ARTFILES-AS - Artfiles New Media GmbH, DE193.101.47.138
dns.vege.net176.9.251.97AS24940 HETZNER-AS - Hetzner Online GmbH, DE-
ns2.bremen-nord.de85.10.222.200AS24940 HETZNER-AS - Hetzner Online GmbH, DE85.10.222.200
ns2.y4i.de94.102.208.136AS25504 CRONON-AS - Vautron Rechenzentrum AG, DE-

Checks

  • ✓ 4 nameservers #6
    Delegated to dns.bremen-nord.de, dns.vege.net, ns2.bremen-nord.de, ns2.y4i.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 4 IPv4 /24s and 0 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS24940 (HETZNER-AS - Hetzner Online GmbH, DE): 2 addresses; AS25504 (CRONON-AS - Vautron Rechenzentrum AG, DE): 1 address; AS8893 (ARTFILES-AS - Artfiles New Media GmbH, DE): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

pass

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dns.bremen-nord.de 193.101.47.138NOERROR, 10 ms, authoritativenoyes / yesrefused-
dns.vege.net 176.9.251.97NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns2.bremen-nord.de 85.10.222.200NOERROR, 2 ms, authoritativenoyes / yesrefused-
ns2.y4i.de 94.102.208.136NOERROR, 15 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 4 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

info

serial 2026091703 · primary ns1.delmenhorst.de

Found

Primary (MNAME)
ns1.delmenhorst.de
Contact (RNAME)
hostmaster.delmenhorst.de
Serial
2026091703
Refresh / retry
10800 s / 3600 s
Expire
1209600 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
dns.bremen-nord.de (193.101.47.138)2026091703
dns.vege.net (176.9.251.97)2026091703
ns2.bremen-nord.de (85.10.222.200)2026091703
ns2.y4i.de (94.102.208.136)2026091703

Checks

  • ✓ Serial 2026091703 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 14d, negative TTL 1h.
  • i
    Hidden master
    The primary nameserver ns1.delmenhorst.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 hostmaster@delmenhorst.de #25
    The SOA RNAME hostmaster.delmenhorst.de means hostmaster@delmenhorst.de.
  • ✓ Date-based serial #26
    The serial 2026091703 follows the YYYYMMDDnn convention (2026-09-17).

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Records

info

13 records at the apex

Found

Read from
193.101.47.138:53
TypeValueTTL
SOAns1.delmenhorst.de. hostmaster.delmenhorst.de. 2026091703 10800 3600 1209600 360010800
NSdns.vege.net.10800
NSdns.bremen-nord.de.10800
NSns2.y4i.de.10800
NSns2.bremen-nord.de.10800
A104.151.107.132300
MX10 mail3.delmenhorst.de.3600
TXT"google-site-verification=uSK70xYrqFUIHC1w_ODP4YIR0Kpo4MTYduV3kxInzAc"300
TXT"MS=A3A5D23F32456859E33186427F95D0DCB179B9AE"300
TXT"apple-domain-verification=kgSRLbzne2J4aCxy"300
TXT"<17.07.2023>"300
TXT"apple-domain-verification=b0fREVuin7NwXCTP"300
TXT"v=spf1 a mx ip4:24.40.191.66 ip4:104.151.107.129 ip4:46.4.95.216 include:spf.de.umantis.com include:_spf.psm.knowbe4.com include:_spf.nol-is.de ~all"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 1h, NS 3h. The NS TTL at the parent is 1d and in the zone 3h; 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