0cf.de - dns.ninja
0cf.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:30:15ac::10:5627🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 188.68.47.12🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| 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 | mail.0cf.de ⭐ | ||||||
| A | 188.68.47.14🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| PTR | mx2f0e.netcup.net | ||||||
| MX | mx2f0e.netcup.net(50) | ||||||
| A | 188.68.47.14🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| PTR | mx2f0e.netcup.net | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2021-04-26 #14 | ||||||
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=1786745723 | ||||||
Subdomains
mail.0cf.de |
Same first word
Similar names
cf0.de |
cf0.eu |
f0c.us |
cf0.homes |
cf0.pw |
fc0.ru |
fc0.cn |
cf0.info |
fc0.vc |
cf0.net |
fc0.cc |
cf0.org |
f0c.net |
fc0.co |
c0f.ru |
fc0.me |
0fc.cn |
f0c.com |
fc0.info |
f0c.org |
c0f.com |
0fc.net |
0fc.com |
c0f.cn |
cf0.jp |
cf0.casino |
c0f.net |
fc0.de |
f0c.ws |
DNS History
7 records (7 active, 0 former)
●NSroot-dns.netcup.net2026-04-09 → 2026-08-14 · 2 obs
● 2026-08-14 22:35:26
●NSsecond-dns.netcup.net2026-04-09 → 2026-08-14 · 2 obs
● 2026-08-14 22:35:26
●NSthird-dns.netcup.net2026-04-09 → 2026-08-14 · 2 obs
● 2026-08-14 22:35:26
●MXmail.0cf.de2026-04-09 → 2026-08-14 · 2 obs
● 2026-08-14 22:35:26
●MXmx2f0e.netcup.net2026-04-09 → 2026-08-14 · 2 obs
● 2026-08-14 22:35:26
●A188.68.47.122026-04-09 → 2026-08-14 · 2 obs
● 2026-08-14 22:35:26
●A2a03:4000:30:15ac::10:56272026-04-09 → 2026-08-14 · 2 obs
● 2026-08-14 22:35:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| 0cf.de | second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 0cf.de (unsigned zone)
⏱️ Timing
Total: 1219ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.68.47.12 |
| AAAA | 1 | 2a03:4000:30:15ac::10:5627 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| MX | 2 | mx2f0e.netcup.net (pri: 50), mail.0cf.de (pri: 10) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
mail.0cf.de is delegated beneath 0cf.de.
IP Addresses
0cf.de has two IP addresses: 188.68.47.12 and 2a03:4000:30:15ac::10:5627
Two other host names, along with ix-net.de, discgolf-rostock.de and www.zwillinge-berlin.de, also share IP numbers with 0cf.de.
Name Servers
0cf.de has three name servers — root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
There is at least partial name server overlap between 0cf.de and other domains — blumenfreunde.com, teamsteiner.com, direkt-vom-feld.de and two more among them.
Each of root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net points to two IP numbers. root-dns.netcup.net points to 46.38.225.225 and 2a03:4000:0:1::e1e1. second-dns.netcup.net points to 37.221.199.199 and 2a03:4000:2:24b::c7c7. third-dns.netcup.net points to 188.68.63.68 and 2a03:4001:0:106::3f44.
Mail Servers
0cf.de is served by two mail servers, mail.0cf.de and mx2f0e.netcup.net.
There is at least a partial MX overlap between 0cf.de and other domains, including seidenberg-design.de, zahnarztpraxis-wahnheide.de, dreamepg.de and two others.
mail.0cf.de and mx2f0e.netcup.net each point to one IP address — 188.68.47.14.
The host names mail.0cf.de and mx2f0e.netcup.net both resolve to 188.68.47.14 IP addresses.