zingst.de

Checked 22 October 2026, 01:20 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

pass

ns2.planet-ocean-hosting.de, ns3.planet-ocean-hosting.com, ns4.planet-ocean-hosting.com

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns2.planet-ocean-hosting.de, ns3.planet-ocean-hosting.com, ns4.planet-ocean-hosting.com
NS in the zone
ns2.planet-ocean-hosting.de, ns3.planet-ocean-hosting.com, ns4.planet-ocean-hosting.com
NameserverAddressesNetwork (AS)Glue
ns2.planet-ocean-hosting.de217.160.113.37 2001:8d8:580:401:217:160:113:37AS8560 IONOS-AS - IONOS SE, DE AS8560 IONOS-AS - IONOS SE, DE217.160.113.37 2001:8d8:580:401:217:160:113:37
ns3.planet-ocean-hosting.com89.146.248.4 2a01:130:2000:118:89:146:248:4AS8495 INTERNET_AG - INTERNET AG Global Network, DE AS8495 INTERNET_AG - INTERNET AG Global Network, DE-
ns4.planet-ocean-hosting.com74.208.254.4 2607:f1c0:1800:8091:74:208:254:4AS8560 IONOS-AS - IONOS SE, DE AS8560 IONOS-AS - IONOS SE, DE-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns2.planet-ocean-hosting.de, ns3.planet-ocean-hosting.com, ns4.planet-ocean-hosting.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 3 IPv4 /24s and 3 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS8495 (INTERNET_AG - INTERNET AG Global Network, DE): 2 addresses; AS8560 (IONOS-AS - IONOS SE, DE): 4 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .de.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns2.planet-ocean-hosting.de 217.160.113.37NOERROR, 5 ms, authoritativenoyes / yesrefused-
ns2.planet-ocean-hosting.de 2001:8d8:580:401:217:160:113:37NOERROR, 8 ms, authoritativenoyes / yesrefused-
ns3.planet-ocean-hosting.com 89.146.248.4NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns3.planet-ocean-hosting.com 2a01:130:2000:118:89:146:248:4NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns4.planet-ocean-hosting.com 74.208.254.4NOERROR, 117 ms, authoritativenoyes / yesrefused-
ns4.planet-ocean-hosting.com 2607:f1c0:1800:8091:74:208:254:4NOERROR, 117 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

info

serial 2026092101 · primary ns1.planet-ocean.hosting

Found

Primary (MNAME)
ns1.planet-ocean.hosting
Contact (RNAME)
hostmaster.planet-ocean.hosting
Serial
2026092101
Refresh / retry
14400 s / 3600 s
Expire
1209600 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns2.planet-ocean-hosting.de (217.160.113.37)2026092101
ns2.planet-ocean-hosting.de (2001:8d8:580:401:217:160:113:37)2026092101
ns3.planet-ocean-hosting.com (89.146.248.4)2026092101
ns3.planet-ocean-hosting.com (2a01:130:2000:118:89:146:248:4)2026092101
ns4.planet-ocean-hosting.com (74.208.254.4)2026092101
ns4.planet-ocean-hosting.com (2607:f1c0:1800:8091:74:208:254:4)2026092101

Checks

  • ✓ Serial 2026092101 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 14d, negative TTL 1h.
  • i
    Hidden master
    The primary nameserver ns1.planet-ocean.hosting 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@planet-ocean.hosting #25
    The SOA RNAME hostmaster.planet-ocean.hosting means hostmaster@planet-ocean.hosting.
  • ✓ Date-based serial #26
    The serial 2026092101 follows the YYYYMMDDnn convention (2026-09-21).

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

12 records at the apex

Found

Read from
217.160.113.37:53
TypeValueTTL
SOAns1.planet-ocean.hosting. hostmaster.planet-ocean.hosting. 2026092101 14400 3600 1209600 36003600
NSns3.planet-ocean-hosting.com.3600
NSns4.planet-ocean-hosting.com.3600
NSns2.planet-ocean-hosting.de.3600
A95.217.58.2203600
AAAA2a01:4f9:4a:12e3::33600
MX0 zingst-de.mail.protection.outlook.com.3600
TXT"v=spf1 include:spf.protection.outlook.com -all"3600
TXT"pinterest-site-verification=2917348d2a7145452e230edbac7edccc"3600
TXT"brevo-code:8076e329ab9b6dd7b0ff3f5a820078bc"3600
TXT"google-site-verification=Plgd24qq6WNtkwQW8_DVgkDgLVkRcm2-EtyBMVawwVE"3600
TXT"MS=ms18936229"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, AAAA 1h, MX 1h, 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.
  • 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