blutspendedienst-west.de

Checked 21 October 2026, 21:50 UTC · via 8.8.8.8
!Passed with warnings
22 passed 2 warnings 0 failed 5 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

dns1.epag.net, dns2.epag.net, ns01.deltacity.net

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
dns1.epag.net, dns2.epag.net, ns01.deltacity.net
NS in the zone
dns1.epag.net, dns2.epag.net, ns01.deltacity.net
NameserverAddressesNetwork (AS)Glue
dns1.epag.net212.123.32.97AS12915 EPAG-AS - EPAG Domainservices GmbH, DE-
dns2.epag.net64.98.148.145AS32491 TUCOWS-3 - Tucows.com Co., CA-
ns01.deltacity.net91.190.227.190AS42184 AS-TKRZ - TKRZ Stadtwerke GmbH, DE-

Checks

  • ✓ 3 nameservers #6
    Delegated to dns1.epag.net, dns2.epag.net, ns01.deltacity.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 0 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS12915 (EPAG-AS - EPAG Domainservices GmbH, DE): 1 address; AS32491 (TUCOWS-3 - Tucows.com Co., CA): 1 address; AS42184 (AS-TKRZ - TKRZ Stadtwerke GmbH, DE): 1 address.
  • i
    All nameserver names under .net
    All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.
    #12
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

info

3 of 3 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dns1.epag.net 212.123.32.97NOERROR, 5 ms, authoritativenoyes / yesrefusedascio-dns
dns2.epag.net 64.98.148.145NOERROR, 120 ms, authoritativenoyes / yesrefusedascio-dns
ns01.deltacity.net 91.190.227.190NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/

Checks

  • ✓ All respond #14
    All 3 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: dns1.epag.net: "ascio-dns"; dns2.epag.net: "ascio-dns"; ns01.deltacity.net: "Served by PowerDNS - https://www.powerdns.com/".
    #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 2026092501 · primary ns01.deltacity.net

Found

Primary (MNAME)
ns01.deltacity.net
Contact (RNAME)
hostmaster.deltacity.net
Serial
2026092501
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
dns1.epag.net (212.123.32.97)2026092501
dns2.epag.net (64.98.148.145)2026092501
ns01.deltacity.net (91.190.227.190)2026092501

Checks

  • ✓ Serial 2026092501 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns01.deltacity.net is one of the listed nameservers.
  • ✓ Contact hostmaster@deltacity.net #25
    The SOA RNAME hostmaster.deltacity.net means hostmaster@deltacity.net.
  • ✓ Date-based serial #26
    The serial 2026092501 follows the YYYYMMDDnn convention (2026-09-25).

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

10 records at the apex

Found

Read from
212.123.32.97:53
TypeValueTTL
SOAns01.deltacity.net. hostmaster.deltacity.net. 2026092501 28800 7200 604800 8640086400
NSns01.deltacity.net.3600
NSdns1.epag.net.3600
NSdns2.epag.net.3600
A91.190.229.2453600
MX10 mx02.deltacity.net.3600
TXT"brevo-code:cbaf1966844c37f0daa70637e1fd4978"3600
TXT"Sendinblue-code:e1063a748e7d5349a51404b8170cfd50"3600
TXT"v=spf1 include:spf.sendinblue.com mx ~all"3600
TXT"google-site-verification=i_u5P-YTolo1rj0WPTwo-2_B6hRA39wesUsHfA0ho3Y"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 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