freifunk-ol.de - robtex.com
freifunk-ol.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:211:15e0:1::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | s1.sjr-ol.de | ||||||
| A | 136.243.24.242🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| NS | ns01.ffnw.de ⭐ | ||||||
| A | 2a03:4000:47:88::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | mail.ffnw.de | ||||||
| A | 45.129.182.14🇩🇪 netcup-AS45.129.180.0/22 | ||||||
| PTR | mail.ffnw.de | ||||||
| NS | ns1.routing.net | ||||||
| A | 2a03:2900:3:1::2🇩🇪 AS488232a03:2900::/32 | ||||||
| PTR | ns1.routing.net | ||||||
| A | 134.0.30.178🇩🇪 AS48823134.0.24.0/21 | ||||||
| PTR | ns1.routing.net | ||||||
| NS | ns2.routing.net | ||||||
| A | 2001:4d8f:2::2🇩🇪 ROUTING-ANYCAST2001:4d8f::/32 | ||||||
| PTR | ns2.routing.net | ||||||
| A | 194.50.113.2🇩🇪 ROUTING-ANYCAST194.50.113.0/24 vollmarnet-anycast-route | ||||||
| PTR | ns2.routing.net | ||||||
| NS | ns3.routing.net | ||||||
| A | 2a03:2902:3:1::2🇩🇪 ACCELERATED-IT2a03:2902::/32 IP-Routing by firstcolo | ||||||
| PTR | ns3.routing.net | ||||||
| A | 194.126.196.2🇩🇪 ACCELERATED-IT194.126.196.0/24 IP-Routing by Accelerated IT Services GmbH | ||||||
| PTR | ns3.routing.net | ||||||
| SOA | ns01.ffnw.deinfo@ffnw.de 2026-02-26 #3 | ||||||
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=1776162285 | ||||||
Same first word
freifunk-ol.de |
DNS History
9 records (6 active, 3 former)
○NSns02.ffnw.de2015-08-17 → 2017-05-12 · 3 obs
● 2017-05-12 21:16:26
○ 2026-04-14 10:49:36
●NSns1.routing.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 10:49:36
●NSns2.routing.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 10:49:36
●NSns3.routing.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 10:49:36
○MXsrv01.ffnw.de2015-08-17 → 2017-05-12 · 3 obs
● 2017-05-12 21:16:26
○ 2026-04-14 10:49:36
○MXsrv02.ffnw.de2015-08-17 → 2017-05-12 · 3 obs
● 2017-05-12 21:16:26
○ 2026-04-14 10:49:36
●A136.243.24.2422026-04-14 → 2026-04-14 · 1 obs
●A2a01:4f8:211:15e0:1::12026-04-14 → 2026-04-14 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| freifunk-ol.de | ns1.routing.net, ns3.routing.net, ns2.routing.net, ns01.ffnw.de | 2 records |
✅ Authoritative Response
Server:194.50.113.2
NS records: ns1.routing.net, ns3.routing.net, ns2.routing.net, ns01.ffnw.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for freifunk-ol.de (unsigned zone)
⏱️ Timing
Total: 937ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.243.24.242 |
| AAAA | 1 | 2a01:4f8:211:15e0:1::1 |
| NS | 4 | ns3.routing.net, ns01.ffnw.de... |
| SOA | 1 | ns01.ffnw.de info.ffnw.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns01.ffnw.de, ns01.ffnw.de)
Analysis
IP Addresses
freifunk-ol.de points to two IP numbers: 2a01:4f8:211:15e0:1::1 and 136.243.24.242.
Other host names such as ffnw.de, sjr-ol.de, server1.sjr-ol.de, www.mathenacht.de and mathenacht.org share IP numbers with freifunk-ol.de.
Name Servers
freifunk-ol.de is delegated to four name servers: ns01.ffnw.de, ns1.routing.net, ns2.routing.net and ns3.routing.net.
At least part of the name servers for freifunk-ol.de are shared with other domains, for instance de-biasi.com, waterguide.info, dabin.eu, eltherm.co.uk and marcushaug.de.
These name servers are often used together with ns3.hosting.de, ns1.hosting.de and ns2.hosting.de.
Host names with two IP numbers:
ns01.ffnw.de points to: 2a03:4000:47:88::1 and 45.129.182.14
ns1.routing.net points to: 2a03:2900:3:1::2 and 134.0.30.178
ns2.routing.net points to: 2001:4d8f:2::2 and 194.50.113.2
ns3.routing.net points to: 2a03:2902:3:1::2 and 194.126.196.2