certplus.de - dns.ninja
certplus.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=1786763768 | ||||||
Same first word
Similar names
DNS History
14 records (6 active, 8 former)
○NSb.ns14.net2015-07-20 → 2017-04-02 · 4 obs
● 2017-04-02 20:01:00
○ 2026-03-05 17:43:04
○ 2026-08-15 03:39:44
●NShelium.ns.hetzner.de2026-03-05 → 2026-08-15 · 3 obs
● 2026-03-05 17:43:04
● 2026-08-15 03:39:44
●NShydrogen.ns.hetzner.com2026-03-05 → 2026-08-15 · 3 obs
● 2026-03-05 17:43:04
● 2026-08-15 03:39:44
○NSio.prolink.de2015-07-20 → 2017-04-02 · 4 obs
● 2017-04-02 20:01:00
○ 2026-03-05 17:43:04
○ 2026-08-15 03:39:44
●NSoxygen.ns.hetzner.com2026-03-05 → 2026-08-15 · 3 obs
● 2026-03-05 17:43:04
● 2026-08-15 03:39:44
○MXmailin1.rmx.de2015-07-20 → 2017-04-02 · 4 obs
● 2017-04-02 20:01:00
○ 2026-03-05 17:43:04
○ 2026-08-15 03:39:44
○MXmailin2.rmx.de2015-07-20 → 2017-04-02 · 4 obs
● 2017-04-02 20:01:00
○ 2026-03-05 17:43:04
○ 2026-08-15 03:39:44
○MXmailin3.rmx.de2015-07-20 → 2017-04-02 · 4 obs
● 2017-04-02 20:01:00
○ 2026-03-05 17:43:04
○ 2026-08-15 03:39:44
○MXmailin4.rmx.de2015-07-20 → 2017-04-02 · 4 obs
● 2017-04-02 20:01:00
○ 2026-03-05 17:43:04
○ 2026-08-15 03:39:44
●MXmxtls.expurgate.net2026-03-05 → 2026-08-15 · 3 obs
● 2026-03-05 17:43:04
● 2026-08-15 03:39:44
●A162.55.254.282026-03-05 → 2026-08-15 · 3 obs
● 2026-03-05 17:43:04
● 2026-08-15 03:39:44
●A2a01:4f8:1061:1303::22026-03-05 → 2026-08-15 · 3 obs
● 2026-03-05 17:43:04
● 2026-08-15 03:39:44
○A2a01:4f8:120:9368::22016-02-28 → 2016-07-02 · 5 obs
● 2016-02-28 02:58:22
● 2016-07-02 13:55:52
○ 2017-04-02 20:01:00
○ 2026-08-15 03:39:44
○A78.46.100.212015-07-20 → 2017-04-02 · 4 obs
● 2017-04-02 20:01:00
○ 2026-03-05 17:43:04
○ 2026-08-15 03:39:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| certplus.de | helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com | - |
✅ Authoritative Response
Server:193.47.99.5
NS records: helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certplus.de (unsigned zone)
⏱️ Timing
Total: 967ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.55.254.28 |
| AAAA | 1 | 2a01:4f8:1061:1303::2 |
| NS | 3 | helium.ns.hetzner.de, hydrogen.ns.hetzner.com... |
| MX | 1 | mxtls.expurgate.net (pri: 10) |
| TXT | 1 | v=spf1 a:mail.pro-cm.de a:mail2.pro-cm.d |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
IP Addresses
certplus.de points to the IP addresses 162.55.254.28 and 2a01:4f8:1061:1303::2
Additional host names — lbv-bw.de, www.ats-ortho.com, corda.at and two others — share IP numbers with certplus.de.
Name Servers
certplus.de has three name servers — hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
There is at least partial name server overlap between certplus.de and other domains — evahaiden.at, cardanocube.com, paco-online.com and two more among them.
These name servers tend to appear in combination with the name servers ns1.first-ns.de, ns1.your-server.de, robotns3.second-ns.com and robotns2.second-ns.de.
Each of hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de points to two IP numbers. hydrogen.ns.hetzner.com points to 213.133.100.98 and 2a01:4f8:0:1::add:1098. oxygen.ns.hetzner.com points to 88.198.229.192 and 2a01:4f8:0:1::add:2992. helium.ns.hetzner.de points to 193.47.99.5 and 2001:67c:192c::add:5.
Mail Servers
certplus.de has one mail server: mxtls.expurgate.net.
certplus.de shares the same mail server setup as other domains, including wntrauer.de, hinkel-fischer.de, homestory.at and two others.
certplus.de shares mail servers — at least in part — with other domains, including leubit.de, elevn.de, acs-informatik.de and two others.
These mail servers are frequently seen alongside the mail servers mxtls.expurgate.de.
mxtls.expurgate.net points to 12 IP numbers: 194.145.224.120, 194.145.224.121, 194.145.224.122 and 9 other.