igsff-bs.de - robtex.com
igsff-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=1781466690 | ||||||
MX for
igsff-bs.de |
Same first word
igsff-bs.de |
DNS History
15 records (7 active, 8 former)
●NSns3.iserv.eu2017-01-07 → 2026-06-14 · 3 obs
● 2017-01-07 00:35:32
● 2026-06-14 19:55:30
●NSns4.iserv.eu2026-06-13 → 2026-06-14 · 3 obs
● 2026-06-13 20:23:00
● 2026-06-14 19:55:30
●MXigsff-bs.de2015-08-06 → 2026-06-14 · 2 obs
● 2026-06-14 19:55:30
○A79.242.200.402016-04-02 → 2016-04-02 · 4 obs
● 2016-04-02 07:43:18
○ 2016-05-17 02:03:58
○ 2026-06-14 19:55:30
○A79.242.202.1982017-01-07 → 2017-01-07 · 4 obs
● 2017-01-07 00:35:32
○ 2026-06-13 20:23:00
○ 2026-06-14 19:55:30
○A79.242.208.572016-06-15 → 2016-06-15 · 4 obs
● 2016-06-15 21:27:24
○ 2017-01-07 00:35:32
○ 2026-06-14 19:55:30
○A79.242.212.512016-05-17 → 2016-05-17 · 4 obs
● 2016-05-17 02:03:58
○ 2016-06-15 21:27:24
○ 2026-06-14 19:55:30
○A79.242.215.2312015-10-03 → 2015-10-03 · 4 obs
● 2015-10-03 21:44:10
○ 2015-12-31 23:37:14
○ 2026-06-14 19:55:30
○A79.242.217.222016-01-26 → 2016-01-26 · 4 obs
● 2016-01-26 18:24:02
○ 2016-04-02 07:43:18
○ 2026-06-14 19:55:30
○A79.242.217.782015-08-06 → 2015-08-06 · 3 obs
○ 2015-10-03 21:44:10
○ 2026-06-14 19:55:30
○A79.242.220.1282015-12-31 → 2015-12-31 · 4 obs
● 2015-12-31 23:37:14
○ 2016-01-26 18:24:02
○ 2026-06-14 19:55:30
●A81.14.185.1462026-06-13 → 2026-06-14 · 3 obs
● 2026-06-13 20:23:00
● 2026-06-14 19:55:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| igsff-bs.de | ns3.iserv.eu, ns4.iserv.eu, ns1.iserv.eu, ns2.iserv.eu | - |
✅ Authoritative Response
Server:91.204.44.133
NS records: ns3.iserv.eu, ns4.iserv.eu, ns1.iserv.eu, ns2.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for igsff-bs.de (unsigned zone)
⏱️ Timing
Total: 1170ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.14.185.146 |
| NS | 4 | ns2.iserv.eu, ns3.iserv.eu... |
| MX | 2 | offline.iserv.eu (pri: 50), igsff-bs.de (pri: 10) |
| TXT | 4 | v=spf1 a mx a:relay1.iserv.eu a:relay2.i, apple-domain-verification=uJb9bBjaiKDO6g... |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
Analysis
Mail Server Role
The MX record for igsff-bs.de points back to igsff-bs.de — it is its own mail server.
offline.iserv.eu routinely functions as a mail server together with igsff-bs.de.
IP Addresses
igsff-bs.de directs to one IP number, which is 81.14.185.146.
Among the host names that share IP numbers with igsff-bs.de is a81-14-185-146.net-htp.de, as one example.
Name Servers
The domain igsff-bs.de is delegated to these four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
igsff-bs.de shares at least some of its name servers with other domains, including georg-wagner-schule.de, lwowildau.de, samsp.de and two others.
The host names ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu each resolve to two IP addresses: ns1.iserv.eu resolves to 116.202.2.219 and 2a01:4f8:c01f:42::1; ns2.iserv.eu resolves to 91.204.44.133 and 2a03:4000:20:19b::1; ns3.iserv.eu resolves to 116.203.7.41 and 2a01:4f8:1c0c:8111::1; ns4.iserv.eu resolves to 188.68.45.203 and 2a03:4000:20:19e::1.
Mail Servers
igsff-bs.de delegates mail to two mail servers, namely igsff-bs.de and offline.iserv.eu.
igsff-bs.de shares at least some of its mail servers with other domains — for example iserv.schule, mzcux.de, fjg-kiel-wik.de and two more.
Hosts with two IP numbers each:
The A records for offline.iserv.eu return 159.69.47.32 and 2a01:4f8:c2c:4863::1.
Hosts that resolve to one IP address:
igsff-bs.de resolves to the IP address 81.14.185.146.