codedoktor.com - dns.ninja
codedoktor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:61:1ff6::17:5144🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 46.38.249.164🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| NS | 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.codedoktor.com ⭐ | ||||||
| A | 46.38.249.166🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH | ||||||
| PTR | mxf9a6.netcup.net | ||||||
| MX | mxf9a6.netcup.net(50) | ||||||
| A | 46.38.249.166🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH | ||||||
| PTR | mxf9a6.netcup.net | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2022-07-05 #12 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1787899295 | ||||||
Subdomains
Same first word
codedoktor.de |
codedoktor.com |
Similar names
Previous names
Next names
DNS History
19 records (7 active, 12 former)
○NSauth1.artfiles.de2015-07-17 → 2015-11-21 · 4 obs
● 2015-11-21 19:01:52
○ 2016-03-13 00:42:30
○ 2026-08-28 06:57:58
○NSauth2.artfiles.de2015-07-17 → 2015-11-21 · 4 obs
● 2015-11-21 19:01:52
○ 2016-03-13 00:42:30
○ 2026-08-28 06:57:58
○NSns01.webgo24.de2017-11-21 → 2017-11-21 · 4 obs
● 2017-11-21 17:10:16
○ 2026-08-18 23:25:56
○ 2026-08-28 06:57:58
○NSns02.webgo24.de2017-11-21 → 2017-11-21 · 4 obs
● 2017-11-21 17:10:16
○ 2026-08-18 23:25:56
○ 2026-08-28 06:57:58
○NSns03.webgo24.de2017-11-21 → 2017-11-21 · 4 obs
● 2017-11-21 17:10:16
○ 2026-08-18 23:25:56
○ 2026-08-28 06:57:58
○NSns04.webgo24.de2017-11-21 → 2017-11-21 · 4 obs
● 2017-11-21 17:10:16
○ 2026-08-18 23:25:56
○ 2026-08-28 06:57:58
●NSroot-dns.netcup.net2026-08-18 → 2026-08-28 · 3 obs
● 2026-08-18 23:25:56
● 2026-08-28 06:57:58
●NSsecond-dns.netcup.net2026-08-18 → 2026-08-28 · 3 obs
● 2026-08-18 23:25:56
● 2026-08-28 06:57:58
●NSthird-dns.netcup.net2026-08-18 → 2026-08-28 · 3 obs
● 2026-08-18 23:25:56
● 2026-08-28 06:57:58
●MXmail.codedoktor.com2026-08-18 → 2026-08-28 · 5 obs
● 2026-08-18 23:25:56
○ 2026-08-26 20:46:36
● 2026-08-26 21:32:08
● 2026-08-28 06:57:58
○MXmail1.codedoktor.com2017-11-21 → 2017-11-21 · 4 obs
● 2017-11-21 17:10:16
○ 2026-08-18 23:25:56
○ 2026-08-28 06:57:58
○MXmail2.codedoktor.com2017-11-21 → 2017-11-21 · 4 obs
● 2017-11-21 17:10:16
○ 2026-08-18 23:25:56
○ 2026-08-28 06:57:58
○MXmailin.dcpserver.de2015-07-17 → 2015-11-21 · 4 obs
● 2015-11-21 19:01:52
○ 2016-03-13 00:42:30
○ 2026-08-28 06:57:58
○MXmailin3.dcpserver.de2015-07-17 → 2015-11-21 · 4 obs
● 2015-11-21 19:01:52
○ 2016-03-13 00:42:30
○ 2026-08-28 06:57:58
●MXmxf9a6.netcup.net2026-08-18 → 2026-08-28 · 5 obs
● 2026-08-18 23:25:56
○ 2026-08-26 20:46:36
● 2026-08-26 21:32:08
● 2026-08-28 06:57:58
○A212.48.115.852015-07-17 → 2015-11-21 · 4 obs
● 2015-11-21 19:01:52
○ 2016-03-13 00:42:30
○ 2026-08-28 06:57:58
●A2a03:4000:61:1ff6::17:51442026-08-18 → 2026-08-28 · 5 obs
● 2026-08-18 23:25:56
○ 2026-08-26 20:46:36
● 2026-08-26 21:32:08
● 2026-08-28 06:57:58
○A37.17.224.952017-11-21 → 2017-11-21 · 4 obs
● 2017-11-21 17:10:16
○ 2026-08-18 23:25:56
○ 2026-08-28 06:57:58
●A46.38.249.1642026-08-18 → 2026-08-28 · 5 obs
● 2026-08-18 23:25:56
○ 2026-08-26 20:46:36
● 2026-08-26 21:32:08
● 2026-08-28 06:57:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| codedoktor.com | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codedoktor.com (unsigned zone)
⏱️ Timing
Total: 3486ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.38.249.164 |
| AAAA | 1 | 2a03:4000:61:1ff6::17:5144 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 2 | mail.codedoktor.com (pri: 10), mxf9a6.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
mail.codedoktor.com and mail2.codedoktor.com each fall under codedoktor.com as their parent domain.
IP Addresses
codedoktor.com has two IP addresses: 46.38.249.164 and 2a03:4000:61:1ff6::17:5144
Two other host names, along with beatnikz.de, mail.nrw.lewitz.eu and afutech.de, also share IP numbers with codedoktor.com.
Name Servers
codedoktor.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
At least some of codedoktor.com's name servers are shared with other domains, for example dennis-kraffczyk.de, stoellinger.at, bangen.de and two more.
Host names that have two IP addresses:
third-dns.netcup.net points to 188.68.63.68 and 2a03:4001:0:106::3f44.
Mail Servers
codedoktor.com is served by two mail servers, mail.codedoktor.com and mxf9a6.netcup.net.
There is at least a partial MX overlap between codedoktor.com and other domains, including paulproell.at, diodio.de, koda.ma and two others.
mail.codedoktor.com and mxf9a6.netcup.net both resolve to the same single IP address: 46.38.249.166.
mail.codedoktor.com and mxf9a6.netcup.net are host names that each point to 46.38.249.166 IP addresses.