checkserver.de - dns.ninja
checkserver.de
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=1784897076 | ||||||
Subdomains
mail.checkserver.de |
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
○NSns1.sedoparking.com2015-07-01 → 2015-07-01 · 3 obs
○ 2015-11-10 22:55:00
○ 2026-07-24 12:47:22
○NSns2.sedoparking.com2015-07-01 → 2015-07-01 · 3 obs
○ 2015-11-10 22:55:00
○ 2026-07-24 12:47:22
●NSroot-dns.netcup.net2020-02-21 → 2026-07-24 · 3 obs
● 2020-02-21 07:03:18
● 2026-07-24 12:47:22
●NSsecond-dns.netcup.net2020-02-21 → 2026-07-24 · 3 obs
● 2020-02-21 07:03:18
● 2026-07-24 12:47:22
●NSthird-dns.netcup.net2020-02-21 → 2026-07-24 · 3 obs
● 2020-02-21 07:03:18
● 2026-07-24 12:47:22
●MXmail.checkserver.de2026-02-16 → 2026-07-24 · 3 obs
● 2026-02-16 16:43:20
● 2026-07-24 12:47:22
○MXmail.nickstel.com2015-07-01 → 2015-07-01 · 3 obs
○ 2015-11-10 22:55:00
○ 2026-07-24 12:47:22
○MXmail.overviewboard.de2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 07:03:18
○ 2026-02-16 16:43:20
○ 2026-07-24 12:47:22
●MXmx2e45.netcup.net2026-02-16 → 2026-07-24 · 3 obs
● 2026-02-16 16:43:20
● 2026-07-24 12:47:22
●A2a03:4000:30:8ba7::13:62012026-02-16 → 2026-07-24 · 3 obs
● 2026-02-16 16:43:20
● 2026-07-24 12:47:22
○A46.4.13.972015-11-10 → 2016-06-11 · 5 obs
● 2015-11-10 22:55:00
● 2016-06-11 08:31:26
○ 2017-04-02 20:26:42
○ 2026-07-24 12:47:22
○A5.181.151.1612020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 07:03:18
○ 2026-02-16 16:43:20
○ 2026-07-24 12:47:22
○A72.52.4.912015-07-01 → 2015-07-01 · 3 obs
○ 2015-11-10 22:55:00
○ 2026-07-24 12:47:22
●A91.204.46.672026-02-16 → 2026-07-24 · 3 obs
● 2026-02-16 16:43:20
● 2026-07-24 12:47:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| checkserver.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for checkserver.de (unsigned zone)
⏱️ Timing
Total: 1011ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.46.67 |
| AAAA | 1 | 2a03:4000:30:8ba7::13:6201 |
| NS | 3 | third-dns.netcup.net, root-dns.netcup.net... |
| MX | 2 | mx2e45.netcup.net (pri: 50), mail.checkserver.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.checkserver.de is a subdomain of checkserver.de.
IP Addresses
checkserver.de has two IP addresses: 91.204.46.67 and 2a03:4000:30:8ba7::13:6201
Two other host names, along with mail.groessing.net.groessing.net, net.groessing.net and mx0.logopaedie-kirchner.de, also share IP numbers with checkserver.de.
Name Servers
Three name servers are authoritative for checkserver.de: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
The name servers of checkserver.de overlap at least partially with those of other domains — among them zukunft-hamburg.de, assistentia.de, ufo-forschung.de and two more.
root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1. second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7. third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44. All three hostnames point to two IP numbers each.
Mail Servers
checkserver.de is served by two mail servers, mail.checkserver.de and mx2e45.netcup.net.
There is at least a partial MX overlap between checkserver.de and other domains, including borstolde.de, seesport.com, juggy.de and two others.
The mail servers mail.borstolde.de, mail.seesport.com and mail.juggy.de are commonly used alongside these mail servers.
Host names that have two IP addresses:
mx2e45.netcup.net maps to two IP addresses — 91.204.46.69 and 2a03:4000:0:3c7:14dd:f3ff:fe11:5cd3.
Host names that point to one IP address:
mail.checkserver.de points to the IP address 91.204.46.69.
These two host names — mx2e45.netcup.net and mail.checkserver.de — each point to 91.204.46.69 IP addresses.