sparkasse-koelnbonn.de

Checked 22 October 2026, 00:23 UTC · via 8.8.8.8
!Passed with warnings
24 passed 2 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

warn

ns1.s-fg-net.de, ns2.s-fg-net.com, ns3.s-fg-net.eu, ns4.s-fg-net.de, ns5.s-fg-net.com

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns1.s-fg-net.de, ns2.s-fg-net.com, ns3.s-fg-net.eu, ns4.s-fg-net.de, ns5.s-fg-net.com
NS in the zone
ns1.s-fg-net.de, ns2.s-fg-net.com, ns3.s-fg-net.eu, ns4.s-fg-net.de, ns5.s-fg-net.com
NameserverAddressesNetwork (AS)Glue
ns1.s-fg-net.de62.181.159.76AS15790 FINANZINFORMATIK-AS-OST - Finanz Informatik GmbH & Co. KG, DE62.181.159.76
ns2.s-fg-net.com195.140.118.140AS9099 FinanzInformatik-AS-Nord - Finanz Informatik GmbH & Co. KG, DE-
ns3.s-fg-net.eu62.181.159.86AS15790 FINANZINFORMATIK-AS-OST - Finanz Informatik GmbH & Co. KG, DE-
ns4.s-fg-net.de195.140.118.150AS9099 FinanzInformatik-AS-Nord - Finanz Informatik GmbH & Co. KG, DE195.140.118.150
ns5.s-fg-net.com85.236.58.252AS15456 INTERNETX-AS - InterNetX GmbH, DE-

Checks

  • ✓ 5 nameservers #6
    Delegated to ns1.s-fg-net.de, ns2.s-fg-net.com, ns3.s-fg-net.eu, ns4.s-fg-net.de, ns5.s-fg-net.com.
  • ✓ 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 0 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS15456 (INTERNETX-AS - InterNetX GmbH, DE): 1 address; AS15790 (FINANZINFORMATIK-AS-OST - Finanz Informatik GmbH & Co. KG, DE): 2 addresses; AS9099 (FinanzInformatik-AS-Nord - Finanz Informatik GmbH & Co. KG, DE): 2 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .com, .de, .eu.
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

pass

5 of 5 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.s-fg-net.de 62.181.159.76NOERROR, 18 ms, authoritativenoyes / yesrefused-
ns2.s-fg-net.com 195.140.118.140NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns3.s-fg-net.eu 62.181.159.86NOERROR, 18 ms, authoritativenoyes / yesrefused-
ns4.s-fg-net.de 195.140.118.150NOERROR, 12 ms, authoritativenoyes / yesrefused-
ns5.s-fg-net.com 85.236.58.252NOERROR, 10 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 246 · primary ns1.s-fg-net.de

Found

Primary (MNAME)
ns1.s-fg-net.de
Contact (RNAME)
domreg.f-i.de
Serial
246
Refresh / retry
10800 s / 3600 s
Expire
2419200 s
Negative TTL
1800 s

Serial per nameserver

NameserverSerial
ns1.s-fg-net.de (62.181.159.76)246
ns2.s-fg-net.com (195.140.118.140)246
ns3.s-fg-net.eu (62.181.159.86)246
ns4.s-fg-net.de (195.140.118.150)246
ns5.s-fg-net.com (85.236.58.252)246

Checks

  • ✓ Serial 246 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 28d, negative TTL 30m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.s-fg-net.de is one of the listed nameservers.
  • ✓ Contact domreg@f-i.de #25
    The SOA RNAME domreg.f-i.de means domreg@f-i.de.
  • ✓ Counter serial #26
    The serial 246 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

info

22 records at the apex

Found

Read from
62.181.159.76:53
TypeValueTTL
SOAns1.s-fg-net.de. domreg.f-i.de. 246 10800 3600 2419200 18001800
NSns5.s-fg-net.com.1800
NSns2.s-fg-net.com.1800
NSns4.s-fg-net.de.1800
NSns3.s-fg-net.eu.1800
NSns1.s-fg-net.de.1800
A62.181.153.541800
MX10 kkb02.mail.s-web.de.1800
MX10 kkb01.mail.s-web.de.1800
TXT"_4eqpc3z325r6657se1fuhdi1e6cwarl"1800
TXT"MS=ms39187665"1800
TXT"_c1jnwx524kt6u5hztidb32yxknglkmh"1800
TXT"_jvfkzwj2lulh8jjmef9tbqnwfuuqdnt"1800
TXT"_smna2mcdxbzoj7acd4uajrerwjg83ng"1800
TXT"_ylha6b37vaqri0iypuxoi5p6tpi8vui"1800
TXT"google-site-verification=gjpyttcxz4MtsqG2D95iAMyPrnJKBxC-8layQPESxjE"1800
TXT"v=spf1 include:spf.mail.s-web.de include:spf.pitcom.net include:spf.emma.sparkasse.de ip4:80.243.46.18 ip4:77.74.232.231 ip4:77.74.232.232 ip4:217.66.54.148 ip4:217.66.54.154 include:_spf.pixelpark.eu include:spf.tixxt.com ip4:194.8.219.130 " "include:_spf.zimpel.de include:spf.mailjet.com ~all"1800
TXT"MS=ms48176192"1800
TXT"facebook-domain-verification=iawd2rg0xcp6ydo9lmpnxipta9hjbq"1800
TXT"adobe-idp-site-verification=7f90187d9a09b9d6131b318725bf0dc3d27b0737767d213ac206546508bd56a8"1800
TXT"apple-domain-verification=jtZ4h3YBD5tCHEmj"1800
TXT"cisco-ci-domain-verification=6ea265b9d3ddc9e26399604a868cdeb047555e99c177b7f995a66984a54c0e22"1800

Checks

  • ✓ TTLs within range #32
    TTLs: A 30m, MX 30m, NS 30m. The NS TTL at the parent is 1d and in the zone 30m; 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