extremcool.de - robtex.com
extremcool.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=1774467519 | ||||||
PTR for
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.c.4.7.8.4.1.0.c.8.f.4.0.1.0.a.2.ip6.arpa |
153.240.119.168.in-addr.arpa |
Same first word
extremcool.de |
Similar names
DNS History
8 records (6 active, 2 former)
●NShelium.ns.hetzner.de2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 20:06:04
●NShydrogen.ns.hetzner.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 20:06:04
●NSoxygen.ns.hetzner.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 20:06:04
●MXsmtp.google.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 20:06:04
○A168.119.240.1532026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-25 20:06:04
●A2a01:4f8:c012:9329::12026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 20:06:04
○A2a01:4f8:c014:874c::12026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-25 20:06:04
●A49.12.209.1432026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 20:06:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| extremcool.de | oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de | - |
✅ Authoritative Response
Server:88.198.229.192
NS records: oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for extremcool.de (unsigned zone)
⏱️ Timing
Total: 1372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.12.209.143 |
| AAAA | 1 | 2a01:4f8:c012:9329::1 |
| NS | 3 | oxygen.ns.hetzner.com, helium.ns.hetzner.de... |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 2 | google-site-verification=VZhbhL1H6mTiVJU, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
IP Addresses
extremcool.de points to two IP numbers: 2a01:4f8:c012:9329::1 and 49.12.209.143.
Name Servers
extremcool.de is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
extremcool.de at least partially shares name servers with other domains, for instance digimember.online, yeai.de, stadtwaechter.de, steuerberater4you.net and loewe-schwerin.de.
These name servers are commonly used together with ns1.your-server.de, ns.second-ns.com and ns3.second-ns.de.
Host hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98; Host oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192; Host helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5.
Mail Servers
extremcool.de is handled by a single mail server, smtp.google.com.
The mail server setup for extremcool.de matches that of other domains, for instance esther.co.il, anastasia.beauty, forsteragency.com, eis.be and wealthmasterycoachdrfin.com.
extremcool.de shares at least partially some mail servers with other domains, including 82.com, kanakiaschools.org, musikschule-vierklang.de, floridaexecutiverealty.com and guideco.dev.
these mail servers are commonly used together with aspmx.l.google.com.
The host name smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1b, 74.125.137.27, 142.250.101.26, 142.250.101.27, 142.250.141.26 and 142.250.141.27.