schule-cgl.de - robtex.com
schule-cgl.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=1774898759 | ||||||
MX for
schule-cgl.de |
Same first word
schule-cgl.de |
Similar names
DNS History
25 records (7 active, 18 former)
●NSns3.iserv.eu2016-11-02 → 2026-03-30 · 3 obs
● 2016-11-02 16:05:26
● 2026-03-30 19:45:02
●NSns4.iserv.eu2026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 19:45:00
● 2026-03-30 19:45:02
●MXoffline.iserv.eu2015-06-04 → 2026-03-30 · 5 obs
● 2016-01-26 18:48:40
○ 2016-11-02 16:05:26
● 2017-07-17 05:37:10
● 2026-03-30 19:45:02
●MXschule-cgl.de2015-06-04 → 2026-03-30 · 2 obs
● 2026-03-30 19:45:02
○A87.157.17.142018-06-08 → 2018-06-08 · 4 obs
● 2018-06-08 02:25:00
○ 2018-06-30 03:11:06
○ 2026-03-30 19:45:02
○A87.157.21.682018-08-10 → 2018-08-10 · 4 obs
● 2018-08-10 03:08:00
○ 2018-08-21 20:34:22
○ 2026-03-30 19:45:02
○A87.157.22.2342018-04-02 → 2018-04-02 · 4 obs
● 2018-04-02 02:08:22
○ 2018-04-25 08:00:32
○ 2026-03-30 19:45:02
○A87.157.22.842017-10-24 → 2017-10-24 · 4 obs
● 2017-10-24 18:11:56
○ 2018-02-10 05:58:38
○ 2026-03-30 19:45:02
○A87.157.25.1882017-08-27 → 2017-08-27 · 4 obs
● 2017-08-27 13:01:22
○ 2017-10-24 18:11:56
○ 2026-03-30 19:45:02
○A87.157.25.282018-07-20 → 2018-07-20 · 4 obs
● 2018-07-20 22:27:20
○ 2018-08-10 03:08:00
○ 2026-03-30 19:45:02
○A87.157.26.1442018-05-17 → 2018-05-17 · 4 obs
● 2018-05-17 19:44:24
○ 2018-06-08 02:25:00
○ 2026-03-30 19:45:02
○A87.157.26.412018-08-21 → 2018-08-21 · 4 obs
● 2018-08-21 20:34:22
○ 2018-09-26 19:35:32
○ 2026-03-30 19:45:02
○A87.157.27.1802017-07-17 → 2017-07-17 · 4 obs
● 2017-07-17 05:37:10
○ 2017-08-27 13:01:22
○ 2026-03-30 19:45:02
○A87.157.28.1672018-09-26 → 2018-09-26 · 4 obs
● 2018-09-26 19:35:32
○ 2026-03-30 19:45:00
○ 2026-03-30 19:45:02
○A87.157.29.112018-02-10 → 2018-02-10 · 4 obs
● 2018-02-10 05:58:38
○ 2018-03-09 02:55:48
○ 2026-03-30 19:45:02
○A87.157.29.1332018-06-30 → 2018-06-30 · 4 obs
● 2018-06-30 03:11:06
○ 2018-07-20 22:27:20
○ 2026-03-30 19:45:02
○A87.157.30.762018-04-25 → 2018-04-25 · 4 obs
● 2018-04-25 08:00:32
○ 2018-05-17 19:44:24
○ 2026-03-30 19:45:02
○A87.157.31.2492018-03-09 → 2018-03-09 · 4 obs
● 2018-03-09 02:55:48
○ 2018-04-02 02:08:22
○ 2026-03-30 19:45:02
○A87.177.103.2502016-11-02 → 2016-11-02 · 4 obs
● 2016-11-02 16:05:26
○ 2017-07-17 05:37:10
○ 2026-03-30 19:45:02
○A87.177.106.422016-01-26 → 2016-01-26 · 4 obs
● 2016-01-26 18:48:40
○ 2016-11-02 16:05:26
○ 2026-03-30 19:45:02
○A87.177.98.1432015-06-04 → 2015-06-04 · 3 obs
○ 2015-11-11 02:31:36
○ 2026-03-30 19:45:02
○A87.177.98.82015-11-11 → 2015-11-11 · 4 obs
● 2015-11-11 02:31:36
○ 2016-01-26 18:48:40
○ 2026-03-30 19:45:02
●A91.249.233.102026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 19:45:00
● 2026-03-30 19:45:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| schule-cgl.de | ns3.iserv.eu, ns1.iserv.eu, ns2.iserv.eu, ns4.iserv.eu | - |
✅ Authoritative Response
Server:116.202.2.219
NS records: ns3.iserv.eu, ns1.iserv.eu, ns2.iserv.eu, ns4.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schule-cgl.de (unsigned zone)
⏱️ Timing
Total: 1243ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.249.233.10 |
| NS | 4 | ns3.iserv.eu, ns2.iserv.eu... |
| MX | 2 | schule-cgl.de (pri: 10), offline.iserv.eu (pri: 50) |
| TXT | 4 | MS=ms73863618, v=spf1 a mx a:relay1.iserv.eu a:relay2.i... |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
Analysis
Mail Server Role
schule-cgl.de serves as a mail server for schule-cgl.de.
offline.iserv.eu commonly serves as a mail server together with schule-cgl.de.
IP Addresses
schule-cgl.de points to a single IP: 91.249.233.10.
Other host names, for instance leasedline-static-091-249-233-010.ewe-ip-backbone.de, share IP numbers with schule-cgl.de.
Name Servers
schule-cgl.de is delegated to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
schule-cgl.de at least partially shares its name servers with other domains, for instance gpgs-burgdorf.de, schuldock.hamburg, hueggelschule.de, gymott.net and kgs-rastede.eu.
Host names with two IPs: 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
schule-cgl.de is handled by two mail servers: schule-cgl.de and offline.iserv.eu.
schule-cgl.de shares some mail servers with other domains, including ekrs.net, iserv-schillerschule.de, obs-verden.de, obs-visselhoevede-aussenstelle.de and gs-ruehme.de.
These mail servers are often used alongside the mail servers smtp.mail.schuldock.de.
Host names with two IPs:
offline.iserv.eu points to: 2a01:4f8:c2c:4863::1 and 159.69.47.32.
Host names with one IP:
schule-cgl.de points to: 91.249.233.10.