wilo.com

Checked 22 October 2026, 11:31 UTC · via 8.8.8.8
!Passed with warnings
32 passed 1 warning 0 failed 2 info

Registration

info

.com generic · united-domains GmbH · expires 2027-10-02

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
united-domains GmbH
Registered
3 October 1996
Last changed
3 October 2026
Expires
2 October 2027
Status
client transfer prohibited
Registry nameservers
ns.udag.de, ns.udag.net, ns.udag.org
RDAP server
https://rdap.verisign.com/com/v1/

Checks

  • i
    .com is a generic TLD (gTLD)
    Generic TLD under an ICANN registry agreement: ICANN-accredited registrars, UDRP and RDAP apply.
    #1
  • ✓ TLD delegated and signed #2
    .com is delegated in the root zone and DNSSEC-signed.
  • ✓ Expires on 2027-10-02 #3
    The registration is valid until 2027-10-02 (344 days).
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

pass

ns.udag.de, ns.udag.net, ns.udag.org

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns.udag.de, ns.udag.net, ns.udag.org
NS in the zone
ns.udag.de, ns.udag.net, ns.udag.org
NameserverAddressesNetwork (AS)Glue
ns.udag.de217.160.80.253 2001:8d8:fe:53:217:160:80:253AS8560 IONOS-AS - IONOS SE, DE AS8560 IONOS-AS - IONOS SE, DE-
ns.udag.net185.132.33.253 2607:f1c0:fe:53:185:132:33:253AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-
ns.udag.org185.132.34.253 2607:f1c0:fe:53:185:132:34:253AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns.udag.de, ns.udag.net, ns.udag.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 3 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS15418 (IONOS-ANYCAST - Fasthosts Internet Limited, GB): 4 addresses; AS8560 (IONOS-AS - IONOS SE, DE): 2 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .de, .net, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.udag.de 217.160.80.253NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns.udag.de 2001:8d8:fe:53:217:160:80:253NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns.udag.net 185.132.33.253NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns.udag.net 2607:f1c0:fe:53:185:132:33:253NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns.udag.org 185.132.34.253NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns.udag.org 2607:f1c0:fe:53:185:132:34:253NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/

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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns.udag.de: "Served by PowerDNS - https://www.powerdns.com/"; ns.udag.net: "Served by PowerDNS - https://www.powerdns.com/"; ns.udag.org: "Served by PowerDNS - https://www.powerdns.com/".
    #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 2024124053 · primary ns.udag.de

Found

Primary (MNAME)
ns.udag.de
Contact (RNAME)
hostmaster.united-domains.de
Serial
2024124053
Refresh / retry
10800 s / 3600 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns.udag.de (217.160.80.253)2024124053
ns.udag.de (2001:8d8:fe:53:217:160:80:253)2024124053
ns.udag.net (185.132.33.253)2024124053
ns.udag.net (2607:f1c0:fe:53:185:132:33:253)2024124053
ns.udag.org (185.132.34.253)2024124053
ns.udag.org (2607:f1c0:fe:53:185:132:34:253)2024124053

Checks

  • ✓ Serial 2024124053 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.udag.de is one of the listed nameservers.
  • ✓ Contact hostmaster@united-domains.de #25
    The SOA RNAME hostmaster.united-domains.de means hostmaster@united-domains.de.
  • ✓ Timestamp serial #26
    The serial 2024124053 is a Unix timestamp (2034-02-21 08:40 UTC).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
21 iterations, 24-byte salt
Signatures valid until
3 December 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
49282ECDSAP256SHA256 (13)SHA256 5E919FD6D419FCE9…yes

DNSKEY in the zone

Key tagRoleAlgorithm
49282KSK (257)ECDSAP256SHA256 (13)
4113ZSK (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 49282 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-12-03 #30
    The earliest DNSKEY/SOA signature expires at 2026-12-03 23:40 UTC.
  • !
    NSEC3 with extra iterations or salt
    NSEC3 uses 21 iterations and a 24-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.
    #31

Records

pass

25 records at the apex

Found

Read from
217.160.80.253:53
TypeValueTTL
SOAns.udag.de. hostmaster.united-domains.de. 2024124053 10800 3600 604800 360086400
NSns.udag.net.86400
NSns.udag.org.86400
NSns.udag.de.86400
A128.65.209.113600
MX0 wilo-com.b-v1.mx.microsoft.300
TXT"v=spf1 ip4:178.249.232.1 ip4:178.249.232.209 ip4:178.249.232.210 ip4:20.160.241.233 include:spf.protection.outlook.com include:my304717.mail.s4hana.ondemand.com -all"600
TXT"MS925724"600
TXT"canva-site-verification=za4hP0uP7psVG_P4hV9FEQ"600
TXT"apple-domain-verification=chB8pgZpXiDuVSAo"600
TXT"qTqEFy5c8vtvQvOGyNFxRAIRVwvqipTapUntzOxmuea4bcOGEmpTB863ZZUzYGwGx8avH/m1PnIzv1g8+9/pjA=="600
TXT"d365mktkey=7imcyotpqdwarfak99po13fvu"600
TXT"docusign=445119b7-46bb-47a2-a73d-9884b402fa6f"600
TXT"figma-domain-verification=afb470fa8d6c4500cdfc69376356f499b63afa177c311c2a3a93e7e698eae580-1791353181"600
TXT"MS610079"600
TXT"d365mktkey=34pm1fk24tvqzv2qn330yewb1"600
TXT"MS235046"600
TXT"6f47f5005e9d454aad1aafa201a30a24.wilo.com"600
TXT"MS922135"600
TXT"klaviyo-site-verification=QYECbu"600
TXT"MS=ms76683641"600
CAA0 issue "globalsign.com"600
CAA0 issuewild "globalsign.com"600
CAA0 issue "letsencrypt.org"600
CAA0 issue "www.digicert.com"600

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, MX 5m, NS 1d. The NS TTL at the parent is 2d and in the zone 1d; 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: globalsign.com, letsencrypt.org, www.digicert.com.