adac.de

Checked 21 October 2026, 21:28 UTC · via 8.8.8.8
!Passed with warnings
25 passed 1 warning 0 failed 3 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

b.mnet-dns.com, b.mnet-dns.de, b.mnet-dns.net, z.mnet-dns.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
b.mnet-dns.com, b.mnet-dns.de, b.mnet-dns.net, z.mnet-dns.de
NS in the zone
b.mnet-dns.com, b.mnet-dns.de, b.mnet-dns.net, z.mnet-dns.de
NameserverAddressesNetwork (AS)Glue
b.mnet-dns.com62.245.150.248 2001:a60:0:12::53AS8767 MNET-AS - M-net Telekommunikations GmbH, DE AS8767 MNET-AS - M-net Telekommunikations GmbH, DE-
b.mnet-dns.de212.18.3.1 2001:a60:0:10::53AS8767 MNET-AS - M-net Telekommunikations GmbH, DE AS8767 MNET-AS - M-net Telekommunikations GmbH, DE-
b.mnet-dns.net212.114.171.66 2001:a60:0:21::53AS8767 MNET-AS - M-net Telekommunikations GmbH, DE AS8767 MNET-AS - M-net Telekommunikations GmbH, DE-
z.mnet-dns.de85.215.124.216 2a01:239:0:80f8::1AS8560 IONOS-AS - IONOS SE, DE AS8560 IONOS-AS - IONOS SE, DE-

Checks

  • ✓ 4 nameservers #6
    Delegated to b.mnet-dns.com, b.mnet-dns.de, b.mnet-dns.net, z.mnet-dns.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.
  • ✓ Nameservers in different networks #10
    The nameservers are spread over 4 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS8560 (IONOS-AS - IONOS SE, DE): 2 addresses; AS8767 (MNET-AS - M-net Telekommunikations GmbH, DE): 6 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .com, .de, .net.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
b.mnet-dns.com 62.245.150.248NOERROR, 9 ms, authoritativenoyes / yesrefused-
b.mnet-dns.com 2001:a60:0:12::53NOERROR, 9 ms, authoritativenoyes / yesrefused-
b.mnet-dns.de 212.18.3.1NOERROR, 10 ms, authoritativenoyes / yesrefused-
b.mnet-dns.de 2001:a60:0:10::53NOERROR, 10 ms, authoritativenoyes / yesrefused-
b.mnet-dns.net 212.114.171.66NOERROR, 6 ms, authoritativenoyes / yesrefused-
b.mnet-dns.net 2001:a60:0:21::53NOERROR, 6 ms, authoritativenoyes / yesrefused-
z.mnet-dns.de 85.215.124.216NOERROR, 13 ms, authoritativenoyes / yesrefused-
z.mnet-dns.de 2a01:239:0:80f8::1NOERROR, 13 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 8 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 2025112618 · primary b.mnet-dns.com

Found

Primary (MNAME)
b.mnet-dns.com
Contact (RNAME)
hostmaster.m-net.de
Serial
2025112618
Refresh / retry
10800 s / 1800 s
Expire
3600000 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
b.mnet-dns.com (62.245.150.248)2025112618
b.mnet-dns.com (2001:a60:0:12::53)2025112618
b.mnet-dns.de (212.18.3.1)2025112618
b.mnet-dns.de (2001:a60:0:10::53)2025112618
b.mnet-dns.net (212.114.171.66)2025112618
b.mnet-dns.net (2001:a60:0:21::53)2025112618
z.mnet-dns.de (85.215.124.216)2025112618
z.mnet-dns.de (2a01:239:0:80f8::1)2025112618

Checks

  • ✓ Serial 2025112618 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 30m, expire 1000h, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver b.mnet-dns.com is one of the listed nameservers.
  • ✓ Contact hostmaster@m-net.de #25
    The SOA RNAME hostmaster.m-net.de means hostmaster@m-net.de.
  • ✓ Date-based serial #26
    The serial 2025112618 follows the YYYYMMDDnn convention (2025-11-26).

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

35 records at the apex

Found

Read from
62.245.150.248:53
TypeValueTTL
SOAb.mnet-dns.com. hostmaster.m-net.de. 2025112618 10800 1800 3600000 36003600
NSb.mnet-dns.net.3600
NSb.mnet-dns.de.3600
NSb.mnet-dns.com.3600
NSz.mnet-dns.de.3600
A4.182.3.743600
MX10 adac-de.mail.cloud.nospamproxy.com.3600
TXT"I7EgkbFqOpbUj6Slem1wYUx9Wis29On+0iqcH2O68U4="3600
TXT"samsung-domain-verification=b07010da-5415-4c2e-bbd3-f04c27e68964"3600
TXT"successfactors-site-verification=M2E4MmYwODE1ZTllYjk4OWY2N2E3YTk4MDU5OGVmM2U5ODhhNjdjODdiODAwYWY3YzA2MTI2NDU0ZmQwM2YxMw=="3600
TXT"ahrefs-site-verification_62c5025a20f85ba79cc1d59ea6ef7eb68c64a900fb803aa153e59b814e7f1b64"3600
TXT"MS=ms95499944"3600
TXT"work-accounts-domain-verification=TLI4SY0OBbev5JeH4i8uPmQLmYltcC"3600
TXT"_globalsign-domain-verification=I_kNQcUM8EY9Bdoua_JHghq-sgxBphmqdVa09jpv5U"3600
TXT"atlassian-domain-verification=8laIYvg7BCqQjjMo5WbOalvQF8LBvtT0Doyso2Hav2mlRiIZMMiihhc5ixyAoC3s"3600
TXT"ms-domain-verification=6e3dcb18-e4d6-4321-ac40-c714462d1b0a"3600
TXT"miro-verification=c13c3b68c44c7ee2b02ab0a47475a8eb2737b323"3600
TXT"W9mlsOlbytLU1gjuCVtouANrZ7adLRpx7mCDUil1/fA="3600
TXT"g44g11ljtnmfglcvj23zz6vd160cmkgn"3600
TXT"globalsign-domain-verification=imAcLjoz0N1Upi0Q9n396CI6EBsL-SJSDRLmDGE6JU"3600
TXT"apple-domain-verification=nVCfocCMz9WxVrax"3600
TXT"jamf-site-verification=vABJUAYJXFfO6k0FFmFtWg"3600
TXT"O8F1yJjJAAzFtcerCdJPVacH7qscyxdnE1TfST/CgHZ2/HZldGwa0TddGzkQDDJqgYVbeiNLcdwaSKCLwOul5A=="3600
TXT"google-site-verification=HQnMd-hH-sS78GUTdcCdmkBva4QjkIlEWlENl-bidms"3600
TXT"docusign=1adc2cba-f921-4d6e-a22b-0a43628bef5a"3600
TXT"v=spf1 include:c4yxa.s.dmarcdutydns.com -all"3600
TXT"nq6uyRt7uIR/WEFXujVhw+LOK9mxAROV4yQI6P40GG73XSBvmLpSN/kqhNmyIF1eOK8VvqxEOy0vRNeR2K+RiA=="3600
TXT"google-site-verification=tEbwIdvZMry7fVJQlUfSju-slWsKj5YkIkQzQBxA4kY"3600
TXT"google-site-verification=nNoeyuwf5XVdreziIdqLUUH5kC1fGj-H_qOX-PW0OGc"3600
TXT"globalsign-domain-verification=CF4A8A002EFDEBC36B600DDF78718EB8"3600
TXT"google-site-verification=HDYapwU0IfFMchSf-v0R-giZg5o1NXNOrGnkYwhlRvI"3600
TXT"adobe-idp-site-verification=60e0a294f5f5fd0ade2f6e02a3a03facd2cf1244d32adcdaf1664ce4d19ae059"3600
TXT"Dynatrace-site-verification=26ac450c-81fa-48c9-91c1-b8f487d1c26d__h9dj33becbaiqu228c6uif67sr"3600
TXT"google-site-verification=M8X2Oc8nfiM4ytzSKeZj9C92c6oZIVKJl0TUVWlKR7A"3600
TXT"B5DD049C6C64E771FC0601E4AB46FB90E0C0C0AADE26EDCFEF85C4F8E62BCA14"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