mvg.de

Checked 21 October 2026, 23:31 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.swm.de, ns2.m-online.net, ns2.swm.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns.swm.de, ns2.m-online.net, ns2.swm.de
NS in the zone
ns.swm.de, ns2.m-online.net, ns2.swm.de
NameserverAddressesNetwork (AS)Glue
ns.swm.de188.164.233.141 2a03:a080:200:102::aAS198145 SWM-AS - SWM Services GmbH, DE AS198145 SWM-AS - SWM Services GmbH, DE188.164.233.141 2a03:a080:200:102::a
ns2.m-online.net212.18.3.8AS8767 MNET-AS - M-net Telekommunikations GmbH, DE-
ns2.swm.de188.164.233.142 2a03:a080:200:102::bAS198145 SWM-AS - SWM Services GmbH, DE AS198145 SWM-AS - SWM Services GmbH, DE188.164.233.142 2a03:a080:200:102::b

Checks

  • ✓ 3 nameservers #6
    Delegated to ns.swm.de, ns2.m-online.net, ns2.swm.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.
  • i
    One address family in one network
    all IPv6 addresses are in 2a03:a080:200::/48, while the other address family is spread over several networks.
    #10
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS198145 (SWM-AS - SWM Services GmbH, DE): 4 addresses; AS8767 (MNET-AS - M-net Telekommunikations GmbH, DE): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns2.m-online.net.
    #13

Nameservers

pass

5 of 5 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.swm.de 188.164.233.141NOERROR, 6 ms, authoritativenoyes / yesrefused-
ns.swm.de 2a03:a080:200:102::aNOERROR, 6 ms, authoritativenoyes / yesrefused-
ns2.m-online.net 212.18.3.8NOERROR, 12 ms, authoritativenoyes / yesrefused-
ns2.swm.de 188.164.233.142NOERROR, 7 ms, authoritativenoyes / yesrefused-
ns2.swm.de 2a03:a080:200:102::bNOERROR, 6 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 5 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 2026100102 · primary ns.swm.de

Found

Primary (MNAME)
ns.swm.de
Contact (RNAME)
firewalladm.swm.de
Serial
2026100102
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns.swm.de (188.164.233.141)2026100102
ns.swm.de (2a03:a080:200:102::a)2026100102
ns2.m-online.net (212.18.3.8)2026100102
ns2.swm.de (188.164.233.142)2026100102
ns2.swm.de (2a03:a080:200:102::b)2026100102

Checks

  • ✓ Serial 2026100102 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 ns.swm.de is one of the listed nameservers.
  • ✓ Contact firewalladm@swm.de #25
    The SOA RNAME firewalladm.swm.de means firewalladm@swm.de.
  • ✓ Date-based serial #26
    The serial 2026100102 follows the YYYYMMDDnn convention (2026-10-01).

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

pass

23 records at the apex

Found

Read from
188.164.233.141:53
TypeValueTTL
SOAns.swm.de. firewalladm.swm.de. 2026100102 28800 7200 604800 8640086400
NSns.swm.de.86400
NSns2.m-online.net.86400
NSns2.swm.de.86400
A188.164.238.2686400
AAAA2a03:a080:200:105:adc:1:bca4:ee1a86400
MX10 mail1.swm.de.86400
MX10 mail2.swm.de.86400
TXT"adobe-idp-site-verification=d91135b0fa7276cad3079fd6d3bf476617822a8e3e85d7d154d53e017f15617a"3600
TXT"_telesec-domain-validation=316891_2023-03-09_zU1eEaxlAIcU8J8VuG79Y4FT5PFWtSckQy9v5bVPp1b1Ns9z3O"3600
TXT"_telesec-domain-validation=336124_2025-01-07_gWVcc76HnjYDmSDEu542M0R0gnaGkWJA4EGtH1HVEXvV6KnKcO"3600
TXT"MS=ms41190254"3600
TXT"v=spf1 mx a:newsletter.swm.de ip4:212.110.108.2 ip4:188.164.232.245 include:spf.protection.outlook.com include:amazonses.com include:spf.crsend.com include:mail.zendesk.com -all"3600
TXT"google-site-verification=kWbnqXHlLzLyrtLy2wiS0ZBihNLFviugMZnuFF2HhmU"3600
TXT"_telesec-domain-validation=316776_2023-05-23_5OD78AibCzUZyZKgJuA3u6eCaihJ7MPv0m3CaflthINstw7hWA"3600
TXT"_telesec-domain-validation=299059_2022-01-20_wEUP3DyzIG7COVWIl4w72SpaJwB2zj6Qb9wrF2dDJUz6oQghxk"3600
TXT"MS=ms16038993"3600
TXT"zendeskverification.mvg.de=61c51949e4b6a144"3600
TXT"_telesec-domain-validation=356264_2026-03-02_XojKlv09xvSz5ZxlGo2sB6GTegfnWfALpv8DkXr87TC05DZclB"3600
TXT"_globalsign-domain-verification=vD-FP0x_tiZZudADBmIW5jqahR9dEsSTdehGjLBJx5"3600
TXT"ms-domain-verification=a069c575-b837-407a-8769-810a2bb86ea0"3600
CAA0 iodef "mailto:support.web@swm.de"86400
CAA0 issue "telesec.de"86400

Checks

  • ✓ TTLs within range #32
    TTLs: A 1d, AAAA 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: telesec.de.