obs-bs.de - robtex.com
obs-bs.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1777042057 | ||||||
MX for
obs-bs.de |
Previously MX for
www.obs-bs.de |
Subdomains
www.obs-bs.de |
Same first word
obs-bs.de |
Similar names
DNS History
16 records (7 active, 9 former)
●NSns3.iserv.eu2016-09-09 → 2026-04-24 · 3 obs
● 2016-09-09 03:56:52
● 2026-04-24 15:07:54
●NSns4.iserv.eu2026-02-16 → 2026-04-24 · 3 obs
● 2026-02-16 10:57:56
● 2026-04-24 15:07:54
●MXobs-bs.de2015-05-26 → 2026-04-24 · 2 obs
● 2026-04-24 15:07:54
●MXoffline.iserv.eu2015-05-26 → 2026-04-24 · 5 obs
● 2016-07-03 22:37:50
○ 2016-09-09 03:56:52
● 2016-12-30 00:45:52
● 2026-04-24 15:07:54
○A79.243.203.22016-03-07 → 2016-03-07 · 4 obs
● 2016-03-07 23:17:52
○ 2016-07-03 22:37:50
○ 2026-04-24 15:07:54
○A79.243.203.542015-05-26 → 2015-05-26 · 3 obs
○ 2017-05-16 12:10:30
○ 2026-04-24 15:07:54
○A79.243.219.1052015-12-02 → 2015-12-02 · 4 obs
● 2015-12-02 11:09:46
○ 2016-03-07 23:17:52
○ 2026-04-24 15:07:54
●A81.14.185.1442026-02-16 → 2026-04-24 · 3 obs
● 2026-02-16 10:57:56
● 2026-04-24 15:07:54
○A91.54.195.1772016-07-03 → 2016-07-03 · 4 obs
● 2016-07-03 22:37:50
○ 2016-09-09 03:56:52
○ 2026-04-24 15:07:54
○A91.54.205.2242016-12-30 → 2016-12-30 · 4 obs
● 2016-12-30 00:45:52
○ 2017-05-16 12:10:30
○ 2026-04-24 15:07:54
○A91.54.209.492017-05-16 → 2017-05-16 · 4 obs
● 2017-05-16 12:10:30
○ 2026-02-16 10:57:56
○ 2026-04-24 15:07:54
○A91.54.214.782016-09-09 → 2016-09-09 · 4 obs
● 2016-09-09 03:56:52
○ 2016-12-30 00:45:52
○ 2026-04-24 15:07:54
○A91.54.218.2352015-10-11 → 2015-10-11 · 4 obs
● 2015-10-11 21:16:16
○ 2015-12-02 11:09:46
○ 2026-04-24 15:07:54
○A91.54.219.1092015-05-26 → 2015-05-26 · 3 obs
○ 2015-10-11 21:16:16
○ 2026-04-24 15:07:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| obs-bs.de | ns2.iserv.eu, ns1.iserv.eu, ns4.iserv.eu, ns3.iserv.eu | - |
✅ Authoritative Response
Server:91.204.44.133
NS records: ns2.iserv.eu, ns1.iserv.eu, ns4.iserv.eu, ns3.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for obs-bs.de (unsigned zone)
⏱️ Timing
Total: 1202ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.14.185.144 |
| NS | 4 | ns1.iserv.eu, ns2.iserv.eu... |
| MX | 2 | offline.iserv.eu (pri: 50), obs-bs.de (pri: 10) |
| TXT | 1 | v=spf1 a mx a:relay1.iserv.eu a:relay2.i |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
Analysis
Hierarchy
The parent of www.obs-bs.de is obs-bs.de.
Mail Server Role
The mail server for obs-bs.de is obs-bs.de.
offline.iserv.eu is a mail server commonly used with obs-bs.de.
IP Addresses
obs-bs.de points to a single IP address: 81.14.185.144.
Other host names, such as a81-14-185-144.net-htp.de and oswald-berkhan-schule.de, share IP numbers with obs-bs.de.
Name Servers
obs-bs.de is delegated to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
obs-bs.de at least partially shares name servers with other domains, for example gym-sarstedt.de, obssoltau.de, johanneum-lg.de, vbs-lauterbach.de and panthi.de.
Host names with two IP numbers:
ns1.iserv.eu points to: 2a01:4f8:c01f:42::1 and 116.202.2.219
ns2.iserv.eu points to: 2a03:4000:20:19b::1 and 91.204.44.133
ns3.iserv.eu points to: 2a01:4f8:1c0c:8111::1 and 116.203.7.41
ns4.iserv.eu points to: 2a03:4000:20:19e::1 and 188.68.45.203
Mail Servers
Two mail servers handle obs-bs.de: obs-bs.de and offline.iserv.eu.
obs-bs.de shares at least partially some mail servers with other domains, for instance igs-floetenteich.eu, schulen-bochum.nrw, igs-sz.de, gs-stelle.de and leif-gym.de.
Host names with two IP numbers:
offline.iserv.eu points to 2a01:4f8:c2c:4863::1 and 159.69.47.32.
Host names with one IP number:
obs-bs.de points to 81.14.185.144.