kotug.de - robtex.com
kotug.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=1786414922 | ||||||
Subdomains
mail.kotug.de |
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
○NSns.netground.nl2015-07-14 → 2016-06-26 · 4 obs
● 2016-06-26 15:24:30
○ 2017-04-04 00:16:42
○ 2026-08-11 02:32:14
●NSns01.is.nl2017-04-04 → 2026-08-11 · 3 obs
● 2017-04-04 00:16:42
● 2026-08-11 02:32:14
●NSns02.is.nl2017-04-04 → 2026-08-11 · 3 obs
● 2017-04-04 00:16:42
● 2026-08-11 02:32:14
●NSns03.is.nl2017-04-04 → 2026-08-11 · 3 obs
● 2017-04-04 00:16:42
● 2026-08-11 02:32:14
●NSns13.kpn.net2026-03-26 → 2026-08-11 · 3 obs
● 2026-03-26 07:25:22
● 2026-08-11 02:32:14
○NSns2.netground.com2015-07-14 → 2016-06-26 · 4 obs
● 2016-06-26 15:24:30
○ 2017-04-04 00:16:42
○ 2026-08-11 02:32:14
●NSns3.kpn.net2026-03-26 → 2026-08-11 · 3 obs
● 2026-03-26 07:25:22
● 2026-08-11 02:32:14
○NSns3.netground.eu2015-07-14 → 2016-06-26 · 4 obs
● 2016-06-26 15:24:30
○ 2017-04-04 00:16:42
○ 2026-08-11 02:32:14
●MXmail.kotug.de2015-07-14 → 2026-08-11 · 2 obs
● 2026-08-11 02:32:14
●A87.250.142.252015-07-14 → 2026-08-11 · 2 obs
● 2026-08-11 02:32:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| kotug.de | ns01.is.nl, ns03.is.nl, ns02.is.nl | - |
✅ Authoritative Response
Server:213.75.63.68
NS records: ns01.is.nl, ns03.is.nl, ns02.is.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kotug.de (unsigned zone)
⏱️ Timing
Total: 2066ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.250.142.25 |
| NS | 5 | ns02.is.nl, ns03.is.nl... |
| MX | 1 | mail.kotug.de (pri: 20) |
| SOA | 1 | ns3.kpn.net zonemaster.kpn.com |
Analysis
Hierarchy
The domain mail.kotug.de falls under the parent kotug.de.
IP Addresses
kotug.de resolves to just one IP address, 87.250.142.25.
Host names such as mail.kotug.nl, mail.kotug.de and kotug.nl share their IP numbers with kotug.de.
Name Servers
kotug.de delegates to five name servers: ns13.kpn.net, ns3.kpn.net, ns01.is.nl and two others.
At least some of kotug.de's name servers are shared with other domains, for example applicationnet.com, widexs.co.uk, mijnhostedwerkplek.nl and two more.
These name servers tend to co-occur with ns02.is.nl, ns03.is.nl, ns7.kpn.net and 6 other name servers in the same DNS delegations.
Host names that have two IP addresses:
ns13.kpn.net points to 213.75.63.34 and 2a02:a47f:ac:1::1353.
ns3.kpn.net points to 194.151.228.42 and 2a02:a47f:ac:1::353.
ns01.is.nl points to 213.75.63.33 and 2a02:a47f:ac:1::1153.
ns02.is.nl points to 213.75.63.68 and 2a02:a47f:ac:1::1253.
ns03.is.nl points to 213.75.63.34 and 2a02:a47f:ac:1::1353.
ns13.kpn.net and ns03.is.nl are host names that each point to 2a02:a47f:ac:1::1353 IP addresses.
ns13.kpn.net and ns03.is.nl are host names that each point to 213.75.63.34 IP addresses.
Mail Servers
The sole mail server for kotug.de is mail.kotug.de.
mail.kotug.de resolves to a single IP number: 87.250.142.25.