taschen.com

Checked 22 October 2026, 10:55 UTC · via 8.8.8.8
!Passed with warnings
27 passed 1 warning 0 failed 3 info

Registration

info

.com generic · united-domains GmbH · expires 2027-06-02

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
united-domains GmbH
Registered
3 June 1996
Last changed
24 September 2026
Expires
2 June 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 2027-06-02 #3
    The registration is valid until 2027-06-02 (222 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, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns.udag.net 2607:f1c0:fe:53:185:132:33:253NOERROR, 4 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 2024082939 · primary ns.udag.de

Found

Primary (MNAME)
ns.udag.de
Contact (RNAME)
hostmaster.united-domains.de
Serial
2024082939
Refresh / retry
10800 s / 3600 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns.udag.de (217.160.80.253)2024082939
ns.udag.de (2001:8d8:fe:53:217:160:80:253)2024082939
ns.udag.net (185.132.33.253)2024082939
ns.udag.net (2607:f1c0:fe:53:185:132:33:253)2024082939
ns.udag.org (185.132.34.253)2024082939
ns.udag.org (2607:f1c0:fe:53:185:132:34:253)2024082939

Checks

  • ✓ Serial 2024082939 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.
  • ✓ Date-based serial #26
    The serial 2024082939 follows the YYYYMMDDnn convention (2024-08-29).

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

23 records at the apex

Found

Read from
217.160.80.253:53
TypeValueTTL
SOAns.udag.de. hostmaster.united-domains.de. 2024082939 10800 3600 604800 360086400
NSns.udag.de.86400
NSns.udag.net.86400
NSns.udag.org.86400
A46.163.122.12600
MX0 taschen-com.mail.protection.outlook.com.3600
TXT"klaviyo-site-verification=RKYY7C"600
TXT"MoPPEUz6DiKWTRbOZGDOlc1oFzd+Uyze4jbtzs0s0o9v0Bq+PQKsJWUARn2v6cnMtRAgUr1ZAgAHFZSkWk41Tg=="600
TXT"shopify-verification-code=c1Rx6YZxQlyCTssiyCJ4HDfpeAhG2F"600
TXT"MS=ms14836285"600
TXT"sBKKzcgnJM4R7LJiR6NdulDMpTtEvkXRxYfJP7zmVobrnvPUbloXAZYeLlPIUyuNnEBonyUAuN13O27+o01r/A=="600
TXT"shopify-verification-code=mmP4NgpLv9kCnNwFqjC1Piw8HA0OMQ"600
TXT"brevo-code:de7233673aba17498c56d491c1993d97"600
TXT"brevo-code:808ab9db9f7d5e1d77a590ec24dd1971"600
TXT"brevo-code:cc14f8a97bfa389c4908ff99592527be"600
TXT"brevo-code:b0d3aa7979db73e6b730c2ff6329ce6f"600
TXT"brevo-code:93988d3f9b83203cc64d6e2d9ffd47ac"600
TXT"brevo-code:39d61c7de1a0d2ab19109431692e42db"600
TXT"brevo-code:e12ce49d661278e37dcfec86f7b2356d"600
TXT"v=spf1 ip4:213.61.181.146 ip4:213.61.181.152 ip4:46.163.122.2 ip4:46.163.122.12 ip4:46.22.43.182 include:spf.protection.outlook.com include:mail.zendesk.com include:spf-de.emailsignatures365.com include:mailgun.org include:spf.mailjet.com -all"600
TXT"brevo-code:a0352aeab54e4d8fe690563fdb8f3780"600
TXT"brevo-code:aadb6fd814c8ee0d60edb6aaa1e9fe09"600
TXT"klaviyo-site-verification=VxRhtP"600

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, MX 1h, 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.
  • 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