ob1.de - dns.ninja

ob1.de

DNSSEC⚠️ Not signed
A81.169.146.240🇩🇪 STRATO81.169.144.0/22 AG
PTRob1.de
NSkarlsruhe.nic.xlink.net ⭐
A192.166.192.43🇩🇪 CRONON-BERLIN-AS192.166.192.0/21 Cronon AG, Berlin
PTRvulthoom00.cronon.de
NSfrankfurt.nic.xlink.net
A194.45.97.99🇩🇪 STRATO194.45.97.0/24 AG
PTRchemnitz.nic.xlink.net
NSkoeln.nic.xlink.net
A193.141.3.6🇩🇪 STRATO193.141.3.0/24 AG
PTRulm.nic.xlink.net
TXTrtlrsml8kn6cmc2kqm7x0l9f0lj0f8xr
TXTX-NIC Certified Quality Zone
TXT_vajvdcygcb7x2coy0mnt7c9nrvjqho4
SOAkarlsruhe.nic.xlink.netde-domain@xlink.net 2025-08-14 #0

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1784980859

PTR for

240.146.169.81.in-addr.arpa

Subdomains

hammerhead.ob1.de
hammerface.ob1.de

Same first word

ob1.eu
ob1.in
ob1.jp
ob1.realestate
ob1.cc
ob1.fr
ob1.io
ob1.online
ob1.ru
ob1.com.au
ob1.info
ob1.dk
ob1.so
ob1.us
ob1.net
ob1.com
ob1.de
ob1.nl
ob1.com.my

Similar names

bo1.net
bo1.no
b1o.link
1bo.xyz
bo1.us
1bo.dk
1ob.com
o1b.com
b1o.de
1ob.net
bo1.biz
1bo.no
b1o.com
b1o.net
bo1.ru
bo1.nl
bo1.de
o1b.co.uk
1ob.ru
bo1.cn
1ob.de
b1o.eu
1ob.cn
bo1.com
1bo.com
1ob.cc
1bo.net
bo1.org
b1o.it
o1b.net
1bo.de

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026NSfrankfurt.nic.xlink.netkarlsruhe.nic.xlink.netkoeln.nic.xlink.netA81.169.146.24081.169.146.104
●NSfrankfurt.nic.xlink.net2015-05-14 → 2026-07-25 · 2 obs
● 2015-05-14 05:42:58
● 2026-07-25 12:12:24
●NSkarlsruhe.nic.xlink.net2015-05-14 → 2026-07-25 · 2 obs
● 2015-05-14 05:42:58
● 2026-07-25 12:12:24
●NSkoeln.nic.xlink.net2015-05-14 → 2026-07-25 · 2 obs
● 2015-05-14 05:42:58
● 2026-07-25 12:12:24
○A81.169.146.1042015-05-14 → 2017-05-03 · 4 obs
● 2015-05-14 05:42:58
● 2017-05-03 18:59:36
○ 2017-11-30 01:32:44
○ 2026-07-25 12:12:24
●A81.169.146.2402017-11-30 → 2026-07-25 · 3 obs
○ 2017-05-03 18:59:36
● 2017-11-30 01:32:44
● 2026-07-25 12:12:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
ob1.dekoeln.nic.xlink.net, frankfurt.nic.xlink.net-

✅ Authoritative Response

Server:193.141.3.6

NS records: koeln.nic.xlink.net, frankfurt.nic.xlink.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ob1.de (unsigned zone)

⏱️ Timing

Total: 935ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.146.240
NS2frankfurt.nic.xlink.net, koeln.nic.xlink.net
TXT3rtlrsml8kn6cmc2kqm7x0l9f0lj0f8xr, X-NIC Certified Quality Zone...
SOA1karlsruhe.nic.xlink.net de-domain.xlink.

Analysis

Hierarchy

hammerhead.ob1.de and hammerface.ob1.de are both subdomains of ob1.de.

IP Addresses

ob1.de resolves to one IP address: 81.169.146.240.

Name Servers

The authoritative name servers for ob1.de are frankfurt.nic.xlink.net, karlsruhe.nic.xlink.net and koeln.nic.xlink.net — three in total.

There is at least partial name server overlap between ob1.de and other domains — ilvv.de, supportengineer-gesucht.de, wdws.de and two more among them.

These name servers regularly appear alongside chemnitz.nic.xlink.net, ulm.nic.xlink.net, xlink1.xlink.net and 7 other name servers in NS record sets.

The hostnames frankfurt.nic.xlink.net, karlsruhe.nic.xlink.net and koeln.nic.xlink.net each resolve to a single IP: frankfurt.nic.xlink.net → 194.45.97.99, karlsruhe.nic.xlink.net → 192.166.192.43, koeln.nic.xlink.net → 193.141.3.6.