hdbg.de

Checked 21 October 2026, 22:42 UTC · via 8.8.8.8
!Passed with warnings
24 passed 1 warning 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

info

ns.bayern.de, ns2.bayern.de, ns3.m-online.net, ns4.m-online.net

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns.bayern.de, ns2.bayern.de, ns3.m-online.net, ns4.m-online.net
NS in the zone
ns.bayern.de, ns2.bayern.de, ns3.m-online.net, ns4.m-online.net
NameserverAddressesNetwork (AS)Glue
ns.bayern.de195.200.70.121AS3209 VODANET - Vodafone GmbH, DE195.200.70.121
ns2.bayern.de195.200.70.122AS3209 VODANET - Vodafone GmbH, DE195.200.70.122
ns3.m-online.net217.160.41.67 2001:8d8:1801:8039::1AS8560 IONOS-AS - IONOS SE, DE AS8560 IONOS-AS - IONOS SE, DE-
ns4.m-online.net212.114.171.64 2001:a60:0:20::53AS8767 MNET-AS - M-net Telekommunikations GmbH, DE AS8767 MNET-AS - M-net Telekommunikations GmbH, DE-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns.bayern.de, ns2.bayern.de, ns3.m-online.net, ns4.m-online.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 2 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS3209 (VODANET - Vodafone GmbH, DE): 2 addresses; AS8560 (IONOS-AS - IONOS SE, DE): 2 addresses; AS8767 (MNET-AS - M-net Telekommunikations GmbH, DE): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns.bayern.de, ns2.bayern.de.
    #13

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.bayern.de 195.200.70.121NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns2.bayern.de 195.200.70.122NOERROR, 13 ms, authoritativenoyes / yesrefused-
ns3.m-online.net 217.160.41.67NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns3.m-online.net 2001:8d8:1801:8039::1NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns4.m-online.net 212.114.171.64NOERROR, 6 ms, authoritativenoyes / yesrefused-
ns4.m-online.net 2001:a60:0:20::53NOERROR, 6 ms, authoritativenoyes / yesrefused-

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.
  • ✓ 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 2026081201 · primary ns.bayern.de

Found

Primary (MNAME)
ns.bayern.de
Contact (RNAME)
root.bayern.de
Serial
2026081201
Refresh / retry
10800 s / 3600 s
Expire
2419200 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns.bayern.de (195.200.70.121)2026081201
ns2.bayern.de (195.200.70.122)2026081201
ns3.m-online.net (217.160.41.67)2026081201
ns3.m-online.net (2001:8d8:1801:8039::1)2026081201
ns4.m-online.net (212.114.171.64)2026081201
ns4.m-online.net (2001:a60:0:20::53)2026081201

Checks

  • ✓ Serial 2026081201 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 28d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.bayern.de is one of the listed nameservers.
  • ✓ Contact root@bayern.de #25
    The SOA RNAME root.bayern.de means root@bayern.de.
  • ✓ Date-based serial #26
    The serial 2026081201 follows the YYYYMMDDnn convention (2026-08-12).

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

7 records at the apex

Found

Read from
195.200.70.121:53
TypeValueTTL
SOAns.bayern.de. root.bayern.de. 2026081201 10800 3600 2419200 360086400
NSns.bayern.de.86400
NSns2.bayern.de.86400
NSns3.m-online.net.86400
NSns4.m-online.net.86400
A195.200.71.1413600
TXT"google-site-verification=7X5hobN03rUJ_crGaY5V645RYRLyGDlx6UeeXYcFzSA"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, NS 1d.
  • ✓ 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