volksbuehne-berlin.de

Checked 22 October 2026, 01:00 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

ns1.powerweb.zone, ns3.phade.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns1.powerweb.zone, ns3.phade.de
NS in the zone
ns1.powerweb.zone, ns3.phade.de
NameserverAddressesNetwork (AS)Glue
ns1.powerweb.zone85.237.66.1AS35053 PHADE-AS - Frank Gadegast trading as PHADE Software, DE-
ns3.phade.de62.67.209.1AS3356 LEVEL3 - Level 3 Parent, LLC, US62.67.209.1

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns1.powerweb.zone, ns3.phade.de.
    #6
  • ✓ 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 2 IPv4 /24s and 0 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS3356 (LEVEL3 - Level 3 Parent, LLC, US): 1 address; AS35053 (PHADE-AS - Frank Gadegast trading as PHADE Software, DE): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .zone.
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

info

2 of 2 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.powerweb.zone 85.237.66.1NOERROR, 17 ms, authoritativenoyes / yesrefusednot public
ns3.phade.de 62.67.209.1NOERROR, 13 ms, authoritativenoyes / yesrefusednot public

Checks

  • ✓ All respond #14
    All 2 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: ns1.powerweb.zone: "not public"; ns3.phade.de: "not public".
    #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 2026070302 · primary ns1.powerweb.zone

Found

Primary (MNAME)
ns1.powerweb.zone
Contact (RNAME)
root.ns1.powerweb.zone
Serial
2026070302
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns1.powerweb.zone (85.237.66.1)2026070302
ns3.phade.de (62.67.209.1)2026070302

Checks

  • ✓ Serial 2026070302 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 ns1.powerweb.zone is one of the listed nameservers.
  • ✓ Contact root@ns1.powerweb.zone #25
    The SOA RNAME root.ns1.powerweb.zone means root@ns1.powerweb.zone.
  • ✓ Date-based serial #26
    The serial 2026070302 follows the YYYYMMDDnn convention (2026-07-03).

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
85.237.66.1:53
TypeValueTTL
SOAns1.powerweb.zone. root.ns1.powerweb.zone. 2026070302 28800 7200 604800 8640086400
NSns3.phade.de.86400
NSns1.powerweb.zone.86400
A85.237.86.786400
MX10 mxtls.expurgate.net.86400
TXT"apple-domain-verification=aW15cqVfpMcWcTCB"86400
TXT"brevo-code:0d6f6b6c6280a9f1a0ffc63e9a83c968"86400
TXT"v=spf1 a ip4:85.237.86.71 ip4:85.237.86.7 include:_spf.expurgate.net include:spf.brevo.com a:mx4.eventim.de ip4:217.7.240.186 ip4:94.134.127.203 ip4:80.153.181.62 ip4:195.190.135.0/24 ip4:194.145.224.0/24 ~all"86400
TXT"cisco-ci-domain-verification=5ea97927847068b615f8a0298ca16eca8bc0e978226adb4bf42ba2d3f3c04337"86400
TXT"google-site-verification=LejTS-jj-cLKJfS7uvE_058j72o6jpywc4_Hh9yJ4So"86400

Checks

  • ✓ TTLs within range #32
    TTLs: A 1d, MX 1d, 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