evlks.de

Checked 21 October 2026, 22:19 UTC · via 8.8.8.8
iAll checks passed
30 passed 0 warnings 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

ns17.knipp.net, ns2.knipp.de, ns3.knipp.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns17.knipp.net, ns2.knipp.de, ns3.knipp.de
NS in the zone
ns17.knipp.net, ns2.knipp.de, ns3.knipp.de
NameserverAddressesNetwork (AS)Glue
ns17.knipp.net195.253.51.61 2a01:5b0:2:56::3dAS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS48519 KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE-
ns2.knipp.de195.253.6.52 2a01:5b0:0:29::34AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE-
ns3.knipp.de195.253.113.3 2a01:5b0:31::3AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns17.knipp.net, ns2.knipp.de, ns3.knipp.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 3 IPv4 /24s and 3 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS48519 (KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE): 1 address; AS8391 (KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE): 5 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns17.knipp.net 195.253.51.61NOERROR, 35 ms, authoritativenoyes / yesrefused-
ns17.knipp.net 2a01:5b0:2:56::3dNOERROR, 13 ms, authoritativenoyes / yesrefused-
ns2.knipp.de 195.253.6.52NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns2.knipp.de 2a01:5b0:0:29::34NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns3.knipp.de 195.253.113.3NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns3.knipp.de 2a01:5b0:31::3NOERROR, 10 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

pass

serial 2023042547 · primary ns2.knipp.de

Found

Primary (MNAME)
ns2.knipp.de
Contact (RNAME)
dnsmaster.irondns.net
Serial
2023042547
Refresh / retry
10800 s / 3000 s
Expire
2419200 s
Negative TTL
900 s

Serial per nameserver

NameserverSerial
ns17.knipp.net (195.253.51.61)2023042547
ns17.knipp.net (2a01:5b0:2:56::3d)2023042547
ns2.knipp.de (195.253.6.52)2023042547
ns2.knipp.de (2a01:5b0:0:29::34)2023042547
ns3.knipp.de (195.253.113.3)2023042547
ns3.knipp.de (2a01:5b0:31::3)2023042547

Checks

  • ✓ Serial 2023042547 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 50m, expire 28d, negative TTL 15m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns2.knipp.de is one of the listed nameservers.
  • ✓ Contact dnsmaster@irondns.net #25
    The SOA RNAME dnsmaster.irondns.net means dnsmaster@irondns.net.
  • ✓ Date-based serial #26
    The serial 2023042547 follows the YYYYMMDDnn convention (2023-04-25).

DNSSEC

pass

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
0 iterations, 0-byte salt
Signatures valid until
31 October 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
37403ECDSAP256SHA256 (13)SHA256 D6DCB82C953CCAB3…yes

DNSKEY in the zone

Key tagRoleAlgorithm
37403KSK (257)ECDSAP256SHA256 (13)
51783ZSK (256)ECDSAP256SHA256 (13)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 37403 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-10-31 #30
    The earliest DNSKEY/SOA signature expires at 2026-10-31 10:48 UTC.
  • ✓ NSEC3 as recommended #31
    The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

info

11 records at the apex

Found

Read from
195.253.51.61:53
TypeValueTTL
SOAns2.knipp.de. dnsmaster.irondns.net. 2023042547 10800 3000 2419200 90086400
NSns2.knipp.de.86400
NSns17.knipp.net.86400
NSns3.knipp.de.86400
A91.90.167.82600
MX10 mxtls.expurgate.net.600
TXT"MS=ms33667145"600
TXT"adobe-idp-site-verification=0847d8a5da2d987b067e3b56c25164b71bdaffa668e7f5df38a3ba9ef0507509"600
TXT"v=spf1 ip4:178.249.31.123 ip4:157.97.45.68 ip4:185.221.107.223 ip4:85.13.150.237 ip4:62.245.164.64/27 ip4:212.114.243.93 ip4:212.114.243.94 ip4:116.202.184.120 ip4:188.34.202.145 ip4:116.203.101.27 ip4:178.249.31.122 ip4:91.90.167.93 " "include:_spf.expurgate.net include:spf.protection.outlook.com include:agenturserver.de include:_spf.sendnode.com include:_spf.zimpel.de a:j334495.servers.jiffybox.net a:idm.evlks.daasi.de a:mx05.produktiv-tech.de -all"600
TXT"_mu6boy7lh63ozu792e16x3h2ghlkvfj"600
TXT"apple-domain-verification=vREq3ArX46pFccTo"600

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, MX 10m, 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