mail.cgls.de - robtex.com
mail.cgls.de
cgls.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.14.211.210🇩🇪 HTP-AS81.14.128.0/17 htp GmbH | ||||||
| NS | ns1.iserv.eu ⭐ | ||||||
| NS | ns2.iserv.eu | ||||||
| NS | ns3.iserv.eu | ||||||
| NS | ns4.iserv.eu | ||||||
| MX | cgls.de ⭐ | ||||||
| MX | offline.iserv.eu(50) | ||||||
| TXT | MS=106743F1A34C6A98D70788CA7F05834011096734 | ||||||
| TXT | apple-domain-verification=ilJWmEniJxMrGBXx | ||||||
| TXT | v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.i... | ||||||
| SOA | ns1.iserv.euhostmaster@iserv.eu serial=352930573 | ||||||
MX for
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A141.41.237.2142015-07-12 → 2017-01-05 · 4 obs
● 2017-01-05 10:19:28
○ 2026-04-12 00:03:50
○ 2026-04-13 01:28:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cgls.de | ns2.iserv.eu, ns3.iserv.eu, ns4.iserv.eu, ns1.iserv.eu | - |
✅ Authoritative Response
Server:116.202.2.219
NS records: ns2.iserv.eu, ns3.iserv.eu, ns4.iserv.eu, ns1.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cgls.de (unsigned zone)
⏱️ Timing
Total: 1205ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | cgls.de |
Analysis
Mail Server Role
mail.cgls.de is the mail server for cgl-schule.de.
IP Addresses
mail.cgls.de resolves to one IP number: 81.14.211.210.
Other host names, for instance cgls.de, share IP numbers with mail.cgls.de.
Name Servers
mail.cgls.de is delegated to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
mail.cgls.de at least partially shares name servers with other domains, for instance holte-gs-edu.de, no-bs.de, mrg-online.org, szga.de and elisabethschule-os.net.
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 mail.cgls.de: cgls.de and offline.iserv.eu.
mail.cgls.de shares the same mail server setup as other domains, for instance cgls.de.
mail.cgls.de shares some mail servers with other domains, at least partially, for instance medienzentrum-clp.eu, igs-buchholz.de, gs-bad-rothenfelde.de, obs-badessen.net and gs-hi.de.
Two IP numbers for a host: offline.iserv.eu points to 2a01:4f8:c2c:4863::1 and 159.69.47.32.
One IP number for a host: cgls.de points to 81.14.211.210.