sofort.de

Checked 22 October 2026, 00:22 UTC · via 8.8.8.8
!Passed with warnings
25 passed 2 warnings 0 failed 2 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

a1-74.akam.net, a12-65.akam.net, a20-66.akam.net, a5-64.akam.net, edns7.ultradns.com, edns7.ultradns.org

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
a1-74.akam.net, a12-65.akam.net, a20-66.akam.net, a5-64.akam.net, edns7.ultradns.com, edns7.ultradns.org
NS in the zone
a1-74.akam.net, a12-65.akam.net, a20-66.akam.net, a5-64.akam.net, edns7.ultradns.com, edns7.ultradns.org
NameserverAddressesNetwork (AS)Glue
a1-74.akam.net193.108.91.74 2600:1401:2::4aAS20940 AKAMAI-ASN1 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a12-65.akam.net184.26.160.65 2600:1480:f000::41AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a20-66.akam.net95.100.175.66 2a02:26f0:67::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a5-64.akam.net95.100.168.64 2600:1480:b000::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
edns7.ultradns.com204.74.66.7 2001:502:f3ff::207AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
edns7.ultradns.org204.74.111.7 2001:502:4612::207AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-

Checks

  • ✓ 6 nameservers #6
    Delegated to a1-74.akam.net, a12-65.akam.net, a20-66.akam.net, a5-64.akam.net, edns7.ultradns.com, edns7.ultradns.org.
  • ✓ 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 6 IPv4 /24s and 6 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 4 addresses; AS20940 (AKAMAI-ASN1 - Akamai International B.V., NL): 1 address; AS21342 (AKAMAI-ASN2 - Akamai International B.V., NL): 7 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .com, .net, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a1-74.akam.net 193.108.91.74NOERROR, 3 ms, authoritativenoyes / yesrefused41824.4
a1-74.akam.net 2600:1401:2::4aNOERROR, 3 ms, authoritativenoyes / yesrefused41824.7
a12-65.akam.net 184.26.160.65NOERROR, 3 ms, authoritativenoyes / yesrefused48878.27
a12-65.akam.net 2600:1480:f000::41NOERROR, 4 ms, authoritativenoyes / yesrefused48878.27
a20-66.akam.net 95.100.175.66NOERROR, 4 ms, authoritativenoyes / yesrefused48878.29
a20-66.akam.net 2a02:26f0:67::42NOERROR, 4 ms, authoritativenoyes / yesrefused48878.27
a5-64.akam.net 95.100.168.64NOERROR, 4 ms, authoritativenoyes / yesrefused41824.6
a5-64.akam.net 2600:1480:b000::40NOERROR, 4 ms, authoritativenoyes / yesrefused41824.4
edns7.ultradns.com 204.74.66.7NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns7.ultradns.com 2001:502:f3ff::207NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns7.ultradns.org 204.74.111.7NOERROR, 13 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns7.ultradns.org 2001:502:4612::207NOERROR, 32 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

Checks

  • ✓ All respond #14
    All 12 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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-74.akam.net: "41824.4"; a1-74.akam.net: "41824.7"; a12-65.akam.net: "48878.27"; a20-66.akam.net: "48878.29"; a20-66.akam.net: "48878.27"; a5-64.akam.net: "41824.6"; a5-64.akam.net: "41824.4". Hide or replace the version string.
    #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 42 · primary a1-74.akam.net

Found

Primary (MNAME)
a1-74.akam.net
Contact (RNAME)
dns-admin.klarna.com
Serial
42
Refresh / retry
3600 s / 1200 s
Expire
1209600 s
Negative TTL
600 s

Serial per nameserver

NameserverSerial
a1-74.akam.net (193.108.91.74)42
a1-74.akam.net (2600:1401:2::4a)42
a12-65.akam.net (184.26.160.65)42
a12-65.akam.net (2600:1480:f000::41)42
a20-66.akam.net (95.100.175.66)42
a20-66.akam.net (2a02:26f0:67::42)42
a5-64.akam.net (95.100.168.64)42
a5-64.akam.net (2600:1480:b000::40)42
edns7.ultradns.com (204.74.66.7)42
edns7.ultradns.com (2001:502:f3ff::207)42
edns7.ultradns.org (204.74.111.7)42
edns7.ultradns.org (2001:502:4612::207)42

Checks

  • ✓ Serial 42 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 20m, expire 14d, negative TTL 10m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver a1-74.akam.net is one of the listed nameservers.
  • ✓ Contact dns-admin@klarna.com #25
    The SOA RNAME dns-admin.klarna.com means dns-admin@klarna.com.
  • ✓ Counter serial #26
    The serial 42 is a plain counter.

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
193.108.91.74:53
TypeValueTTL
SOAa1-74.akam.net. dns-admin.klarna.com. 42 3600 1200 1209600 600600
NSa1-74.akam.net.3600
NSa20-66.akam.net.3600
NSedns7.ultradns.org.3600
NSa5-64.akam.net.3600
NSa12-65.akam.net.3600
NSedns7.ultradns.com.3600
A3.173.23.373600
A3.173.21.373600
A3.173.22.373600
MX10 mxz4.klarna.com.3600
MX10 mxz1.klarna.com.3600
MX10 mxz3.klarna.com.3600
MX10 mxz2.klarna.com.3600
TXT"google-site-verification=EBZnovbtQiELtKbPSvLYH_o8A1yz1ym2q5t4sh0uhKw"3600
TXT"v=spf1 include:_spf.google.com include:_spf.klarna.com -all"3600
TXT"google-site-verification=EuX3n-oSlwORxqVFyyzuv15j2RA3jo95nfmJcwcVr0A"3600
TXT"google-site-verification=jgd-UrDbW2aLCjXmp8-2I1_Xhna7WcFzRMPF69sGRWc"3600
CAA0 iodef "mailto:dns-admin@klarna.com"3600
CAA0 issuewild "digicert.com"3600
CAA0 issue "amazonaws.com"3600
CAA0 issue "digicert.com"3600
CAA0 issuewild "amazonaws.com"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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: digicert.com, amazonaws.com.