cppreference.de - robtex.com
cppreference.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 151.247.208.95🇮🇷 HOSTKEY-AS151.247.208.0/24 | ||||||
| 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 | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2025-12-26 #2 | ||||||
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=1789294247 | ||||||
Same first word
cppreference.com |
cppreference.dev |
cppreference.es |
cppreference.cn |
cppreference.net |
cppreference.org |
cppreference.co |
cppreference.tw |
cppreference.de |
cppreference.pages.dev |
Previous names
cppi.de |
cppib.de |
cppictures.de |
cppiston.de |
cppjobs.de |
cpplan.de |
cpplex.de |
cpplt252.de |
cpplus.de |
cppm-bonn.de |
cppm.de |
cppn.de |
cppnet.de |
cppo.de |
cpportal.de |
cppower.de |
cppp.de |
cppr.de |
cppref.de |
Next names
DNS History
4 records (4 active, 0 former)
●NSroot-dns.netcup.net2026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 10:47:44
●NSsecond-dns.netcup.net2026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 10:47:44
●NSthird-dns.netcup.net2026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 10:47:44
●A151.247.208.952026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 10:47:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| cppreference.de | third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cppreference.de (unsigned zone)
⏱️ Timing
Total: 1258ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 151.247.208.95 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
IP Addresses
cppreference.de resolves to just one IP address, 151.247.208.95.
Two other host names, along with crew-ai.de, mysqlcom.de and sphinx-doc.de, also share IP numbers with cppreference.de.
Name Servers
cppreference.de carries NS records delegating to root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
At least some of cppreference.de's name servers are shared with other domains, for example hoff-home.de, allewoerter.de, urlaubssuche24.de and two more.
root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net are three hostnames that each resolve to a pair of IP addresses: root-dns.netcup.net to 46.38.225.225 and 2a03:4000:0:1::e1e1, second-dns.netcup.net to 37.221.199.199 and 2a03:4000:2:24b::c7c7, and third-dns.netcup.net to 188.68.63.68 and 2a03:4001:0:106::3f44.