cbns.de - robtex.com
cbns.de
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.protonmail.ch ⭐ | ||||||
| A | 176.119.200.128🇨🇭 Proton176.119.200.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.70.42.128🇨🇭 Proton185.70.42.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.205.70.128🇫🇷 Proton185.205.70.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| MX | mailsec.protonmail.com(20) | ||||||
| TXT | protonmail-verification=3a4041b16f40cea3b6e40ada975facb44b00f43a | ||||||
| TXT | v=spf1 a mx include:_spf.protonmail.ch include:bunnybase.de ip4:144.76.81.188... | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #0 | ||||||
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=1785210761 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSns1.domainprofi.de2015-08-16 → 2017-04-23 · 4 obs
● 2017-04-23 23:59:58
○ 2026-06-20 00:47:16
○ 2026-07-28 04:15:34
●NSns1.first-ns.de2026-06-20 → 2026-07-28 · 3 obs
● 2026-06-20 00:47:16
● 2026-07-28 04:15:34
○NSns2.domainprofi.de2015-08-16 → 2017-04-23 · 4 obs
● 2017-04-23 23:59:58
○ 2026-06-20 00:47:16
○ 2026-07-28 04:15:34
●NSrobotns2.second-ns.de2026-06-20 → 2026-07-28 · 3 obs
● 2026-06-20 00:47:16
● 2026-07-28 04:15:34
●NSrobotns3.second-ns.com2026-06-20 → 2026-07-28 · 3 obs
● 2026-06-20 00:47:16
● 2026-07-28 04:15:34
○MXmail.b-io.co2015-08-16 → 2017-04-23 · 4 obs
● 2017-04-23 23:59:58
○ 2026-06-20 00:47:16
○ 2026-07-28 04:15:34
●MXmail.protonmail.ch2026-06-20 → 2026-07-28 · 3 obs
● 2026-06-20 00:47:16
● 2026-07-28 04:15:34
●MXmailsec.protonmail.com2026-06-20 → 2026-07-28 · 3 obs
● 2026-06-20 00:47:16
● 2026-07-28 04:15:34
○A88.198.231.12015-08-16 → 2015-08-16 · 3 obs
○ 2016-01-20 00:09:34
○ 2026-07-28 04:15:34
○A88.198.231.42016-01-20 → 2017-04-23 · 5 obs
● 2016-01-20 00:09:34
● 2017-04-23 23:59:58
○ 2026-06-20 00:47:16
○ 2026-07-28 04:15:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cbns.de | robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cbns.de (unsigned zone)
⏱️ Timing
Total: 1157ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.com (pri: 20) |
| TXT | 2 | protonmail-verification=3a4041b16f40cea3, v=spf1 a mx include:_spf.protonmail.ch i |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
The parent domain of mail.cbns.de and junk.cbns.de is cbns.de.
Name Servers
cbns.de is served by three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
At least some of cbns.de's name servers are shared with other domains, for example rkw-kompetenzzentrum.net, 1on.de, de-graphikbuero.de and two more.
It is common for these name servers to be used in conjunction with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
The hostnames robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de each direct to two IP addresses — robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
The MX records for cbns.de point to two mail servers: mail.protonmail.ch and mailsec.protonmail.com.
cbns.de has the same mail server arrangement as a number of other domains, for example newstream.net, bewy.net, digitalsky.us.com and two more.
cbns.de shares at least some of its mail servers with other domains — for example gantless.com, marymaid.co, studio-hunter.com and two more.
It is common to find these mail servers paired with the mail servers mailsec.protonmail.ch.
Hosts with three IP address records:
mail.protonmail.ch maps to three IP addresses: 176.119.200.128, 185.70.42.128 and 185.205.70.128.