bluefrogs.de - robtex.com
bluefrogs.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:2479:4e:ee00::1🇩🇪 IONOS-AS2a02:2478::/29 IONOS SE | ||||||
| PTR | mx.linux-cologne.com | ||||||
| A | 85.215.44.184🇩🇪 IONOS-AS85.215.32.0/19 | ||||||
| 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 | mx.linux-cologne.com ⭐ | ||||||
| A | 2a02:2479:4e:ee00::1🇩🇪 IONOS-AS2a02:2478::/29 IONOS SE | ||||||
| PTR | mx.linux-cologne.com | ||||||
| A | 85.215.44.184🇩🇪 IONOS-AS85.215.32.0/19 | ||||||
| PTR | mx.linux-cologne.com | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-12 #0 | ||||||
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=1774413640 | ||||||
Subdomains
mail.bluefrogs.de |
Same first word
Similar names
surfglobe.net |
globesurf.tv |
lbforgues.blogspot.fr |
urbesgolf.com |
bluesfrog.club |
globesurf.com |
globesurf.org |
surfglobe.co.uk |
surfglobe.com |
globesurf.net |
felsbourg.eu |
globesurf.de |
lbforgues.blogspot.com |
DNS History
8 records (6 active, 2 former)
●NSns1.first-ns.de2015-06-05 → 2026-03-25 · 2 obs
● 2026-03-25 04:41:08
●NSrobotns2.second-ns.de2015-06-05 → 2026-03-25 · 2 obs
● 2026-03-25 04:41:08
●NSrobotns3.second-ns.com2026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 00:13:14
● 2026-03-25 04:41:08
○MXmail.blunicorn.com2015-06-05 → 2017-09-23 · 4 obs
● 2017-09-23 19:37:10
○ 2026-02-20 00:13:14
○ 2026-03-25 04:41:08
●MXmx.linux-cologne.com2026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 00:13:14
● 2026-03-25 04:41:08
○A144.76.219.1552015-06-05 → 2017-09-23 · 4 obs
● 2017-09-23 19:37:10
○ 2026-02-20 00:13:14
○ 2026-03-25 04:41:08
●A2a02:2479:4e:ee00::12026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 00:13:14
● 2026-03-25 04:41:08
●A85.215.44.1842026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 00:13:14
● 2026-03-25 04:41:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| bluefrogs.de | robotns2.second-ns.de, ns1.first-ns.de | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: robotns2.second-ns.de, ns1.first-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bluefrogs.de (unsigned zone)
⏱️ Timing
Total: 1235ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.215.44.184 |
| AAAA | 1 | 2a02:2479:4e:ee00::1 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mx.linux-cologne.com (pri: 10) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
The parent of mail.bluefrogs.de is bluefrogs.de.
IP Addresses
bluefrogs.de points to two IP numbers: 2a02:2479:4e:ee00::1 and 85.215.44.184.
Other host names such as weinkun.de, linuxcologne.de, 3amigos.de, linuxcologne.com and mx.linux-cologne.com share IPs with bluefrogs.de.
Name Servers
bluefrogs.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
bluefrogs.de at least partially shares name servers with other domains, for example other-dimension.net, fc-heinsberg-lieck.de, radiologische-praxis-montabaur.de, aquaplay.com and thierhoff-mueller.eu.
Host names with two IP numbers:
robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3
ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238
robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103
Mail Servers
The mx.linux-cologne.com mail server handles bluefrogs.de.
bluefrogs.de shares the same mail server setup as other domains, including linuxcologne.de, 3amigos.de, linuxcologne.com, web-cologne.net and linux-cologne.com.
mx.linux-cologne.com points to two IP numbers: 2a02:2479:4e:ee00::1 and 85.215.44.184.