defcon2.de - robtex.com
defcon2.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:2350:5:10a:61:d38e:39c7:6a66🇩🇰 ONECOM2a02:2350::/32 One.com A/S | ||||||
| A | 46.30.213.12🇩🇰 ONECOM46.30.208.0/21 One.com A/S | ||||||
| NS | ns01.one.com ⭐ | ||||||
| A | 2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns01.one.com | ||||||
| A | 195.206.121.10ONECOM-INFRA195.206.121.0/24 | ||||||
| PTR | ns01.one.com | ||||||
| NS | ns02.one.com | ||||||
| A | 2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns02.one.com | ||||||
| A | 185.10.11.10ONECOM185.10.11.0/24 | ||||||
| PTR | ns02.one.com | ||||||
| MX | mx1.pub.mailpod4-cph3.one.com ⭐ | ||||||
| A | 185.164.14.38🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S | ||||||
| PTR | mx1.pub.mailpod4-cph3.one.com | ||||||
| MX | mx2.pub.mailpod4-cph3.one.com ⭐ | ||||||
| A | 185.164.14.39🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S | ||||||
| PTR | mx2.pub.mailpod4-cph3.one.com | ||||||
| MX | mx3.pub.mailpod4-cph3.one.com ⭐ | ||||||
| A | 185.164.14.40🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S | ||||||
| PTR | mx3.pub.mailpod4-cph3.one.com | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-03-02 #1 | ||||||
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=1774690915 | ||||||
Same first word
DNS History
7 records (7 active, 0 former)
●MXmx1.pub.mailpod4-cph3.one.com2026-03-18 → 2026-03-28 · 2 obs
● 2026-03-28 10:12:12
●MXmx2.pub.mailpod4-cph3.one.com2026-03-18 → 2026-03-28 · 2 obs
● 2026-03-28 10:12:12
●MXmx3.pub.mailpod4-cph3.one.com2026-03-18 → 2026-03-28 · 2 obs
● 2026-03-28 10:12:12
●A2a02:2350:5:10a:61:d38e:39c7:6a662026-03-18 → 2026-03-28 · 2 obs
● 2026-03-28 10:12:12
●A46.30.213.122026-03-18 → 2026-03-28 · 2 obs
● 2026-03-28 10:12:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| defcon2.de | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:195.206.121.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3248ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.30.213.12 |
| AAAA | 1 | 2a02:2350:5:10a:61:d38e:39c7:6a66 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 3 | mx2.pub.mailpod4-cph3.one.com (pri: 10), mx3.pub.mailpod4-cph3.one.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
IP Addresses
defcon2.de points to two IPs: 2a02:2350:5:10a:61:d38e:39c7:6a66 and 46.30.213.12.
Other host names including geertdesutter.be, fransberg.se, atbkempen.be, cachicci.com and mail.royalthai.se share IP numbers with defcon2.de.
Name Servers
defcon2.de's delegation uses two name servers, ns01.one.com and ns02.one.com.
defcon2.de shares the same name server setup as other domains, for example coppen.be, udika.dk, twenty1.com, svedala.it and watchuk.tv.
Host names with two IPs:
ns01.one.com points to: 2001:67c:28cc::10 and 195.206.121.10
ns02.one.com points to: 2001:67c:3c0::10 and 185.10.11.10
Mail Servers
defcon2.de is handled by three mail servers: mx1.pub.mailpod4-cph3.one.com, mx2.pub.mailpod4-cph3.one.com and mx3.pub.mailpod4-cph3.one.com.
The mail servers for defcon2.de are shared with other domains, for instance adjuun.se, kjelsasspeiderne.no, boldino.nl, frukt.be and rip59.dk.
Hostnames with a single IP:
mx1.pub.mailpod4-cph3.one.com points to: 185.164.14.38.
mx2.pub.mailpod4-cph3.one.com points to: 185.164.14.39.
mx3.pub.mailpod4-cph3.one.com points to: 185.164.14.40.