coldfix.de - robtex.com
coldfix.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:34:231:a89f:faff:feb2:1447🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | coldfix.de | ||||||
| A | 194.59.205.170🇩🇪 netcup-AS194.59.204.0/22 | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | coldfix.de ⭐ | ||||||
| A | 2a03:4000:34:231:a89f:faff:feb2:1447🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | coldfix.de | ||||||
| A | 194.59.205.170🇩🇪 netcup-AS194.59.204.0/22 | ||||||
| PTR | coldfix.de | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-03-28 #86 | ||||||
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=1778903488 | ||||||
PTR for
MX for
coldfix.de |
Subdomains
Same first word
coldfix.de |
Similar names
DNS History
8 records (6 active, 2 former)
●NSroot-dns.netcup.net2019-01-27 → 2026-05-16 · 2 obs
● 2026-05-16 04:17:54
●NSsecond-dns.netcup.net2019-01-27 → 2026-05-16 · 2 obs
● 2026-05-16 04:17:54
●NSthird-dns.netcup.net2019-01-27 → 2026-05-16 · 2 obs
● 2026-05-16 04:17:54
●MXcoldfix.de2026-02-15 → 2026-05-16 · 3 obs
● 2026-02-15 00:53:32
● 2026-05-16 04:17:54
○MXmail.coldfix.de2019-01-27 → 2019-01-27 · 3 obs
○ 2026-02-15 00:53:32
○ 2026-05-16 04:17:54
●A194.59.205.1702026-02-15 → 2026-05-16 · 3 obs
● 2026-02-15 00:53:32
● 2026-05-16 04:17:54
●A2a03:4000:34:231:a89f:faff:feb2:14472026-02-15 → 2026-05-16 · 3 obs
● 2026-02-15 00:53:32
● 2026-05-16 04:17:54
○A37.120.171.1712019-01-27 → 2019-01-27 · 3 obs
○ 2026-02-15 00:53:32
○ 2026-05-16 04:17:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| coldfix.de | third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coldfix.de (unsigned zone)
⏱️ Timing
Total: 1018ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.59.205.170 |
| AAAA | 1 | 2a03:4000:34:231:a89f:faff:feb2:1447 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 1 | coldfix.de (pri: 10) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
coldfix.de is a parent of www.coldfix.de and mail.coldfix.de.
Mail Server Role
coldfix.de serves as the mail server for coldfix.de.
IP Addresses
coldfix.de points to two IP numbers: 2a03:4000:34:231:a89f:faff:feb2:1447 and 194.59.205.170.
Other host names such as www.coldfix.de and mail.coldfix.de share IP numbers with coldfix.de.
Name Servers
The delegation for coldfix.de is handled by three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
coldfix.de at least partially shares name servers with other domains, for instance einradverband.de, getriebekreis.de, ttz.de, prm-x.com and hoeltke-consult.de.
Two IP numbers per host:
root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225.
second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199.
third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
A single mail server handles coldfix.de.
coldfix.de resolves to two IP numbers: 2a03:4000:34:231:a89f:faff:feb2:1447 and 194.59.205.170.