opc0.de - robtex.com
opc0.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.120.186.208🇩🇪 netcup-AS37.120.184.0/22 | ||||||
| PTR | basic.billmann.de | ||||||
| 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.opc0.de ⭐ | ||||||
| A | 37.120.186.208🇩🇪 netcup-AS37.120.184.0/22 | ||||||
| PTR | basic.billmann.de | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-03-10 #25 | ||||||
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=1777269521 | ||||||
Subdomains
mail.opc0.de |
Same first word
opc0.de |
Similar names
DNS History
9 records (5 active, 4 former)
○NSns1.ntdns.de2015-07-06 → 2016-08-11 · 4 obs
● 2016-08-11 19:15:54
○ 2017-07-22 02:03:04
○ 2026-04-27 06:23:16
○NSns2.ntdns.de2015-07-06 → 2016-08-11 · 4 obs
● 2016-08-11 19:15:54
○ 2017-07-22 02:03:04
○ 2026-04-27 06:23:16
○NSns3.ntdns.de2015-07-06 → 2016-08-11 · 4 obs
● 2016-08-11 19:15:54
○ 2017-07-22 02:03:04
○ 2026-04-27 06:23:16
●NSroot-dns.netcup.net2017-07-22 → 2026-04-27 · 3 obs
● 2017-07-22 02:03:04
● 2026-04-27 06:23:16
●NSsecond-dns.netcup.net2017-07-22 → 2026-04-27 · 3 obs
● 2017-07-22 02:03:04
● 2026-04-27 06:23:16
●NSthird-dns.netcup.net2017-07-22 → 2026-04-27 · 3 obs
● 2017-07-22 02:03:04
● 2026-04-27 06:23:16
●MXmail.opc0.de2015-07-06 → 2026-04-27 · 2 obs
● 2026-04-27 06:23:16
●A37.120.186.2082026-02-16 → 2026-04-27 · 3 obs
● 2026-02-16 09:38:24
● 2026-04-27 06:23:16
○A81.30.156.1242015-07-06 → 2017-07-22 · 4 obs
● 2017-07-22 02:03:04
○ 2026-02-16 09:38:24
○ 2026-04-27 06:23:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| opc0.de | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opc0.de (unsigned zone)
⏱️ Timing
Total: 1392ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.120.186.208 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 1 | mail.opc0.de (pri: 10) |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The parent of mail.opc0.de is opc0.de.
IP Addresses
opc0.de points to a single IP number: 37.120.186.208.
Other host names, for instance mail.opc0.de and v22017024363345838.powersrv.de, share IP numbers with opc0.de.
Name Servers
The domain opc0.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
opc0.de shares name servers with other domains at least partially, for instance supai.de, nordblut.de, asuna.eu, evvc.ch and rahman.de.
Host names with two IP numbers:
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
The mail server for opc0.de is mail.opc0.de.
Host name mail.opc0.de resolves to IP 37.120.186.208.