gs-comenius.de - robtex.com
gs-comenius.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=1776062943 | ||||||
MX for
gs-comenius.de |
Same first word
gs-comenius.de |
Similar names
DNS History
12 records (7 active, 5 former)
●NSns3.iserv.eu2016-08-11 → 2026-04-13 · 3 obs
● 2016-08-11 09:16:08
● 2026-04-13 07:16:46
●NSns4.iserv.eu2026-03-08 → 2026-04-13 · 3 obs
● 2026-03-08 05:17:54
● 2026-04-13 07:16:46
●MXgs-comenius.de2015-08-11 → 2026-04-13 · 2 obs
● 2026-04-13 07:16:46
●MXoffline.iserv.eu2015-08-11 → 2026-04-13 · 5 obs
● 2016-03-27 01:20:32
○ 2016-08-11 09:16:08
● 2017-07-09 20:07:46
● 2026-04-13 07:16:46
●A81.14.185.1422026-03-08 → 2026-04-13 · 3 obs
● 2026-03-08 05:17:54
● 2026-04-13 07:16:46
○A84.134.0.282017-07-09 → 2017-07-09 · 4 obs
● 2017-07-09 20:07:46
○ 2026-03-08 05:17:54
○ 2026-04-13 07:16:46
○A84.134.15.2042016-03-27 → 2016-03-27 · 4 obs
● 2016-03-27 01:20:32
○ 2016-08-11 09:16:08
○ 2026-04-13 07:16:46
○A84.134.20.312016-08-11 → 2016-08-11 · 4 obs
● 2016-08-11 09:16:08
○ 2017-07-09 20:07:46
○ 2026-04-13 07:16:46
○A84.134.24.1922015-08-11 → 2015-08-11 · 3 obs
○ 2015-12-24 05:30:40
○ 2026-04-13 07:16:46
○A84.134.3.762015-12-24 → 2015-12-24 · 4 obs
● 2015-12-24 05:30:40
○ 2016-03-27 01:20:32
○ 2026-04-13 07:16:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| gs-comenius.de | ns2.iserv.eu, ns4.iserv.eu, ns1.iserv.eu, ns3.iserv.eu | - |
✅ Authoritative Response
Server:91.204.44.133
NS records: ns2.iserv.eu, ns4.iserv.eu, ns1.iserv.eu, ns3.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gs-comenius.de (unsigned zone)
⏱️ Timing
Total: 1250ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.14.185.142 |
| NS | 4 | ns3.iserv.eu, ns4.iserv.eu... |
| MX | 2 | gs-comenius.de (pri: 10), offline.iserv.eu (pri: 50) |
| TXT | 1 | v=spf1 a mx a:relay1.iserv.eu a:relay2.i |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
Analysis
Mail Server Role
For gs-comenius.de, the mail server is gs-comenius.de.
offline.iserv.eu is a common mail server alongside gs-comenius.de.
IP Addresses
gs-comenius.de points to a single IP number: 81.14.185.142.
Other host names, for instance a81-14-185-142.net-htp.de, share IP numbers with gs-comenius.de.
Name Servers
gs-comenius.de is delegated to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
gs-comenius.de at least partially shares name servers with other domains, for instance gy-cfg.de, pestalozzischule-brake.de, gs-wellendorf.net, sz-seesen.de and iserv-sas.de.
Host names with two IP numbers:
Host name ns1.iserv.eu points to: 2a01:4f8:c01f:42::1 and 116.202.2.219.
Host name ns2.iserv.eu points to: 2a03:4000:20:19b::1 and 91.204.44.133.
Host name ns3.iserv.eu points to: 2a01:4f8:1c0c:8111::1 and 116.203.7.41.
Host name ns4.iserv.eu points to: 2a03:4000:20:19e::1 and 188.68.45.203.
Mail Servers
Two mail servers handle gs-comenius.de: gs-comenius.de and offline.iserv.eu.
gs-comenius.de shares mail servers with other domains at least partially, including gewi.org, bbsf-ts.de, ndsdv.net, rs-bad.de and ratsschule.net.
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: gs-comenius.de points to 81.14.185.142.