clasens.org - robtex.com

clasens.org

DNSSEC⚠️ Not signed
A217.160.231.124🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
PTRclienthosting.eu
NSaccess.ui-dns.biz
A2001:8d8:fe:53::81:237🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRaccess.ui-dns.biz
A217.160.81.237🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRaccess.ui-dns.biz
NSaccess.ui-dns.com
A2607:f1c0:fe:53::34:237🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRaccess.ui-dns.com
A185.132.34.237🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRaccess.ui-dns.com
NSaccess.ui-dns.de
A2001:8d8:fe:53::80:237🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRaccess.ui-dns.de
A217.160.80.237🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRaccess.ui-dns.de
NSaccess.ui-dns.org
A2607:f1c0:fe:53::35:237🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRaccess.ui-dns.org
A185.132.35.237🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRaccess.ui-dns.org
MXmx00.kundenserver.de
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
A212.227.15.171🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.kundenserver.de
A212.227.15.188🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx01.kundenserver.de
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de
TXTv=spf1 a:mout.kundenserver.de ~all
SOAaccess.ui-dns.bizhostmaster@1und1.de 2016-04-19 #2

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785441356

Same first word

Similar names

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSaccess.ui-dns.bizaccess.ui-dns.comaccess.ui-dns.deaccess.ui-dns.orgns1084.ui-dns.bizns1084.ui-dns.comns1084.ui-dns.dens1084.ui-dns.orgns49.1und1.dens50.1und1.deMXmx00.kundenserver.demx01.kundenserver.deA217.160.231.12482.165.88.70
NSaccess.ui-dns.biz2026-06-26 → 2026-07-30 · 3 obs
○ 2020-02-21 04:01:28
● 2026-06-26 05:33:16
● 2026-07-30 20:15:22
NSaccess.ui-dns.com2026-06-26 → 2026-07-30 · 3 obs
○ 2020-02-21 04:01:28
● 2026-06-26 05:33:16
● 2026-07-30 20:15:22
NSaccess.ui-dns.de2026-06-26 → 2026-07-30 · 3 obs
○ 2020-02-21 04:01:28
● 2026-06-26 05:33:16
● 2026-07-30 20:15:22
NSaccess.ui-dns.org2026-06-26 → 2026-07-30 · 3 obs
○ 2020-02-21 04:01:28
● 2026-06-26 05:33:16
● 2026-07-30 20:15:22
NSns1084.ui-dns.biz2020-02-21 → 2020-02-21 · 4 obs
○ 2017-04-02 19:54:50
● 2020-02-21 04:01:28
○ 2026-06-26 05:33:16
○ 2026-07-30 20:15:22
NSns1084.ui-dns.com2020-02-21 → 2020-02-21 · 4 obs
○ 2017-04-02 19:54:50
● 2020-02-21 04:01:28
○ 2026-06-26 05:33:16
○ 2026-07-30 20:15:22
NSns1084.ui-dns.de2020-02-21 → 2020-02-21 · 4 obs
○ 2017-04-02 19:54:50
● 2020-02-21 04:01:28
○ 2026-06-26 05:33:16
○ 2026-07-30 20:15:22
NSns1084.ui-dns.org2020-02-21 → 2020-02-21 · 4 obs
○ 2017-04-02 19:54:50
● 2020-02-21 04:01:28
○ 2026-06-26 05:33:16
○ 2026-07-30 20:15:22
NSns49.1und1.de2015-06-09 → 2017-04-02 · 4 obs
● 2015-06-09 05:37:56
● 2017-04-02 19:54:50
○ 2020-02-21 04:01:28
○ 2026-07-30 20:15:22
NSns50.1und1.de2015-06-09 → 2017-04-02 · 4 obs
● 2015-06-09 05:37:56
● 2017-04-02 19:54:50
○ 2020-02-21 04:01:28
○ 2026-07-30 20:15:22
MXmx00.kundenserver.de2015-06-09 → 2026-07-30 · 2 obs
● 2015-06-09 05:37:56
● 2026-07-30 20:15:22
MXmx01.kundenserver.de2015-06-09 → 2026-07-30 · 2 obs
● 2015-06-09 05:37:56
● 2026-07-30 20:15:22
A217.160.231.1242016-08-14 → 2026-07-30 · 3 obs
○ 2016-02-05 14:36:00
● 2016-08-14 12:50:08
● 2026-07-30 20:15:22
A82.165.88.702015-06-09 → 2016-02-05 · 4 obs
● 2015-06-09 05:37:56
● 2016-02-05 14:36:00
○ 2016-08-14 12:50:08
○ 2026-07-30 20:15:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
clasens.orgaccess.ui-dns.biz, access.ui-dns.com, access.ui-dns.org, access.ui-dns.de2 records

✅ Authoritative Response

Server:185.132.34.237

NS records: access.ui-dns.biz, access.ui-dns.com, access.ui-dns.org, access.ui-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clasens.org (unsigned zone)

⏱️ Timing

Total: 532ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.231.124
NS4access.ui-dns.biz, access.ui-dns.com...
MX2mx01.kundenserver.de (pri: 10), mx00.kundenserver.de (pri: 10)
TXT1v=spf1 a:mout.kundenserver.de ~all
SOA1access.ui-dns.biz hostmaster.1und1.de

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (access.ui-dns.org, access.ui-dns.org)

Analysis

IP Addresses

clasens.org has exactly one IP address — 217.160.231.124.

huberhelmut.de, harburg21.org, mohdrafi.co.uk plus two other host names have IP numbers in common with clasens.org.

Name Servers

Four name servers handle the delegation for clasens.org: access.ui-dns.biz, access.ui-dns.com, access.ui-dns.de and access.ui-dns.org.

clasens.org partially shares its NS delegation with several other domains, including ferienwohung-spitzbergblick.de, erk-staub.de, hoerneck.de and two others.

access.ui-dns.biz, access.ui-dns.com, access.ui-dns.de and access.ui-dns.org each carry two IP addresses. access.ui-dns.biz has 217.160.81.237 and 2001:8d8:fe:53::81:237; access.ui-dns.com has 185.132.34.237 and 2607:f1c0:fe:53::34:237; access.ui-dns.de has 217.160.80.237 and 2001:8d8:fe:53::80:237; access.ui-dns.org has 185.132.35.237 and 2607:f1c0:fe:53::35:237.

Mail Servers

clasens.org uses two mail servers, mx00.kundenserver.de and mx01.kundenserver.de.

The mail server setup of clasens.org matches that of other domains such as isigan.de, ebay.schwehm-it.de, s285260120.online.de and two others.

At least some of the mail servers used by clasens.org are shared with other domains: hellas-botschaft.de, katacomp.com, smm2.de and two others among them.

mx00.kundenserver.de resolves to 212.227.15.41 and 212.227.15.171. Likewise, mx01.kundenserver.de resolves to 212.227.15.188 and 217.72.192.67 — two IP addresses apiece.