openbusinessnetwork.de - dns.ninja
openbusinessnetwork.de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 51.75.64.26🇩🇪 OVH51.75.0.0/16 | ||||||
| PTR | vps-cef45185.vps.ovh.net | ||||||
| NS | dns14.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:f300::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns14.ovh.net | ||||||
| A | 5.135.99.133🇫🇷 OVH5.135.0.0/16 | ||||||
| PTR | dns14.ovh.net | ||||||
| NS | ns14.ovh.net | ||||||
| A | 2001:41d0:b00:ed00::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns14.ovh.net | ||||||
| A | 5.39.113.141🇫🇷 OVH5.39.0.0/17 ISP Paris, France | ||||||
| PTR | ns14.ovh.net | ||||||
| MX | charon.uberspace.de ⭐ | ||||||
| A | 2a00:d0c0:200:0:b891:5bff:feae:482a🇩🇪 UVENSYS2a00:d0c0:200::/48 JonasPasche | ||||||
| PTR | charon.uberspace.de | ||||||
| A | 185.26.156.183🇩🇪 UVENSYS185.26.156.0/24 JonasPasche | ||||||
| PTR | charon.uberspace.de | ||||||
| MX | mail.open-business-network.com(10) | ||||||
| A | 185.26.156.183🇩🇪 UVENSYS185.26.156.0/24 JonasPasche | ||||||
| PTR | charon.uberspace.de | ||||||
| TXT | v=spf1 mx ~all | ||||||
| TXT | 1|www.openbusinessnetwork.de | ||||||
| SOA | dns14.ovh.nettech@ovh.net serial=2086275197 | ||||||
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=1786362578 | ||||||
Subdomains
mail.openbusinessnetwork.de |
Same first word
openbusinessnetwork.info |
openbusinessnetwork.de |
DNS History
9 records (5 active, 4 former)
●NSdns14.ovh.net2026-03-21 → 2026-08-10 · 3 obs
● 2026-03-21 07:55:44
● 2026-08-10 12:00:14
○NSns1.first-ns.de2015-08-15 → 2017-05-13 · 4 obs
● 2017-05-13 03:16:04
○ 2026-03-21 07:55:44
○ 2026-08-10 12:00:14
●NSns14.ovh.net2026-03-21 → 2026-08-10 · 3 obs
● 2026-03-21 07:55:44
● 2026-08-10 12:00:14
○NSrobotns2.second-ns.de2015-08-15 → 2017-05-13 · 4 obs
● 2017-05-13 03:16:04
○ 2026-03-21 07:55:44
○ 2026-08-10 12:00:14
●MXcharon.uberspace.de2026-03-21 → 2026-08-10 · 3 obs
● 2026-03-21 07:55:44
● 2026-08-10 12:00:14
●MXmail.open-business-network.com2026-03-21 → 2026-08-10 · 3 obs
● 2026-03-21 07:55:44
● 2026-08-10 12:00:14
○MXmail.openbusinessnetwork.de2015-08-15 → 2017-05-13 · 4 obs
● 2017-05-13 03:16:04
○ 2026-03-21 07:55:44
○ 2026-08-10 12:00:14
○A213.239.215.712015-08-15 → 2017-05-13 · 4 obs
● 2017-05-13 03:16:04
○ 2026-03-21 07:55:44
○ 2026-08-10 12:00:14
●A51.75.64.262026-03-21 → 2026-08-10 · 3 obs
● 2026-03-21 07:55:44
● 2026-08-10 12:00:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| openbusinessnetwork.de | ns14.ovh.net, dns14.ovh.net | - |
✅ Authoritative Response
Server:5.135.99.133
NS records: ns14.ovh.net, dns14.ovh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 936ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.75.64.26 |
| NS | 2 | ns14.ovh.net, dns14.ovh.net |
| MX | 2 | mail.open-business-network.com (pri: 10), charon.uberspace.de (pri: 1) |
| TXT | 2 | v=spf1 mx ~all, 1|www.openbusinessnetwork.de |
| SOA | 1 | dns14.ovh.net tech.ovh.net |
Analysis
Hierarchy
The domain mail.openbusinessnetwork.de falls under the parent openbusinessnetwork.de.
IP Addresses
openbusinessnetwork.de points to a single IP number: 51.75.64.26.
Additional host names — www.open-business-network.com, vps-cef45185.vps.ovh.net, www.open-business-network.de and two others — share IP numbers with openbusinessnetwork.de.
Name Servers
The NS records for openbusinessnetwork.de delegate to dns14.ovh.net and ns14.ovh.net.
openbusinessnetwork.de shares its name server setup with other domains, including v-cloud.ch, parisplayground.com, causes.fr and two others.
dns14.ovh.net resolves to 5.135.99.133 and 2001:41d0:d00:f300::2. Likewise, ns14.ovh.net resolves to 5.39.113.141 and 2001:41d0:b00:ed00::2 — two IP addresses apiece.
Mail Servers
openbusinessnetwork.de has two mail servers: mail.open-business-network.com and charon.uberspace.de.
openbusinessnetwork.de, open-business-network.de and open-business-network.com all share the same mail server setup.
openbusinessnetwork.de shares mail servers — at least in part — with other domains, including leuckefeld.me, gerritwiltfang.com, kwrl.de and two others.
Host names with two IP numbers:
The A records for charon.uberspace.de return 185.26.156.183 and 2a00:d0c0:200:0:b891:5bff:feae:482a.
Host names pointing to a single IP address:
mail.open-business-network.com resolves to the IP address 185.26.156.183.
charon.uberspace.de and mail.open-business-network.com each have 185.26.156.183 IP addresses.