dehn.info - robtex.com
dehn.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 136.243.68.72🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | mail.elvatec.ch | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com ⚠️ Not in parent delegation | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.dehn.info ⭐ | ||||||
| A | 136.243.68.72🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | mail.elvatec.ch | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-29 #0 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1783896061 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.first-ns.de2015-08-06 → 2026-07-12 · 2 obs
● 2026-07-12 23:27:24
●NSrobotns2.second-ns.de2015-08-06 → 2026-07-12 · 2 obs
● 2026-07-12 23:27:24
●NSrobotns3.second-ns.com2026-07-03 → 2026-07-12 · 3 obs
● 2026-07-03 08:20:24
● 2026-07-12 23:27:24
●MXmail.dehn.info2015-08-06 → 2026-07-12 · 2 obs
● 2026-07-12 23:27:24
○MXmail2.dehn.info2016-02-24 → 2020-03-09 · 5 obs
● 2016-02-24 09:03:00
● 2020-03-09 09:03:42
○ 2026-07-03 08:20:24
○ 2026-07-12 23:27:24
●A136.243.68.722016-02-24 → 2026-07-12 · 3 obs
● 2016-02-24 09:03:00
● 2026-07-12 23:27:24
○A178.63.49.1732015-08-06 → 2015-11-27 · 4 obs
● 2015-11-27 10:37:16
○ 2016-02-24 09:03:00
○ 2026-07-12 23:27:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| dehn.info | ns1.first-ns.de, robotns2.second-ns.de | - |
✅ Authoritative Response
Server:213.133.100.103
NS records: ns1.first-ns.de, robotns2.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dehn.info (unsigned zone)
⏱️ Timing
Total: 2908ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.243.68.72 |
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 1 | mail.dehn.info (pri: 20) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
dehn.info serves as the parent of mail.dehn.info and mail2.dehn.info.
IP Addresses
dehn.info has exactly one IP address — 136.243.68.72.
mail.dehn.info, mail2.dehn.info, mail.dehn.bayern plus two other host names have IP numbers in common with dehn.info.
Name Servers
dehn.info is served by three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
The name servers of dehn.info overlap at least partially with those of other domains — among them conceptsued.net, tensing-brunsbuettel.de, darmok.eu and two more.
These name servers commonly appear in combination with the name servers hydrogen.ns.hetzner.com.
The hostnames robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de each direct to two IP addresses — robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
dehn.info uses one mail server — mail.dehn.info.
mail.dehn.info resolves to 136.243.68.72 and no other IP number.