obs-bbg.de - robtex.com
obs-bbg.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=1774410130 | ||||||
MX for
obs-bbg.de |
Same first word
obs-bbg.de |
DNS History
13 records (7 active, 6 former)
●NSns2.iserv.eu2015-05-21 → 2026-03-25 · 4 obs
○ 2015-10-12 15:33:04
● 2017-05-30 08:11:08
● 2026-03-25 04:00:58
●NSns3.iserv.eu2016-11-25 → 2026-03-25 · 3 obs
● 2016-11-25 07:09:52
● 2026-03-25 04:00:58
●MXobs-bbg.de2015-05-21 → 2026-03-25 · 2 obs
● 2026-03-25 04:00:58
●MXoffline.iserv.eu2015-05-21 → 2026-03-25 · 5 obs
● 2016-04-12 03:38:42
○ 2016-11-25 07:09:52
● 2017-05-30 08:11:08
● 2026-03-25 04:00:58
○A84.131.10.2062015-10-12 → 2015-10-12 · 4 obs
● 2015-10-12 15:33:04
○ 2015-12-30 03:46:14
○ 2026-03-25 04:00:58
○A84.131.15.2242015-05-21 → 2015-05-21 · 3 obs
○ 2015-10-12 15:33:04
○ 2026-03-25 04:00:58
○A84.131.30.882016-04-12 → 2016-04-12 · 4 obs
● 2016-04-12 03:38:42
○ 2016-11-25 07:09:52
○ 2026-03-25 04:00:58
○A84.131.7.1992015-12-30 → 2015-12-30 · 4 obs
● 2015-12-30 03:46:14
○ 2016-04-12 03:38:42
○ 2026-03-25 04:00:58
●A87.138.136.1132026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 04:00:58
○A91.4.150.1402016-11-25 → 2016-11-25 · 4 obs
● 2016-11-25 07:09:52
○ 2017-05-30 08:11:08
○ 2026-03-25 04:00:58
○A91.4.158.402017-05-30 → 2017-05-30 · 3 obs
● 2017-05-30 08:11:08
○ 2026-03-25 04:00:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| obs-bbg.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-bbg.de (unsigned zone)
⏱️ Timing
Total: 1226ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.138.136.113 |
| NS | 4 | ns4.iserv.eu, ns3.iserv.eu... |
| MX | 2 | obs-bbg.de (pri: 10), offline.iserv.eu (pri: 50) |
| TXT | 5 | MS=ms41861673, MS=ms41235309... |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
Analysis
Mail Server Role
obs-bbg.de serves as the mail server for obs-bbg.de.
offline.iserv.eu commonly serves as a mail server along with obs-bbg.de.
IP Addresses
obs-bbg.de points to an IP address: 87.138.136.113.
Other host names, for instance p578a8871.dip0.t-ipconnect.de, share IP numbers with obs-bbg.de.
Name Servers
obs-bbg.de delegates to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
obs-bbg.de at least partially shares name servers with other domains, for instance gms-weitnau.de, erasgym.de, schulserver.org, mes-schoental.de and rsmasch.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-bbg.de: obs-bbg.de and offline.iserv.eu.
obs-bbg.de shares at least partially some mail servers with other domains, for instance holderbergschule-ldk.de, greselius.net, christian-spielmann.de, hasetalschule.org and cks-ldk.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-bbg.de points to 87.138.136.113.