mathfactory.de - dns.ninja
mathfactory.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.47.106.30🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | www510.your-server.de | ||||||
| NS | a.regfish-ns.net ⭐ | ||||||
| A | 2a02:2c0:0:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0::/48 Vultr Customer Route | ||||||
| PTR | a.regfish-ns.net | ||||||
| A | 178.21.144.21🇩🇪 REGFISH-AS178.21.144.0/24 Vultr Customer Route | ||||||
| PTR | a.regfish-ns.net | ||||||
| NS | b.regfish-ns.net | ||||||
| A | 2a02:2c0:1:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0:1::/48 Vultr Customer Route | ||||||
| PTR | b.regfish-ns.net | ||||||
| A | 178.21.145.21🇩🇪 REGFISH-AS178.21.145.0/24 Vultr Customer Route | ||||||
| PTR | b.regfish-ns.net | ||||||
| NS | c.regfish-ns.net | ||||||
| A | 2a02:2c0:2:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0:2::/48 Vultr Customer Route | ||||||
| PTR | c.regfish-ns.net | ||||||
| A | 178.21.146.21🇩🇪 REGFISH-AS178.21.146.0/24 Vultr Customer Route | ||||||
| PTR | c.regfish-ns.net | ||||||
| MX | mail.mathfactory.de ⭐ | ||||||
| A | 78.47.106.30🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | www510.your-server.de | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | a.regfish-ns.netdns@regfish-ns.net serial=1726928672 | ||||||
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=1785435244 | ||||||
Subdomains
Same first word
mathfactory.de |
mathfactory.org |
mathfactory.net |
DNS History
6 records (5 active, 1 former)
●NSa.regfish-ns.net2015-08-13 → 2026-07-30 · 2 obs
● 2026-07-30 18:34:36
●NSb.regfish-ns.net2015-08-13 → 2026-07-30 · 2 obs
● 2026-07-30 18:34:36
●NSc.regfish-ns.net2015-08-13 → 2026-07-30 · 2 obs
● 2026-07-30 18:34:36
●MXmail.mathfactory.de2015-08-13 → 2026-07-30 · 2 obs
● 2026-07-30 18:34:36
○A5.9.157.282015-08-13 → 2017-03-28 · 4 obs
● 2017-03-28 21:24:38
○ 2026-02-24 09:15:46
○ 2026-07-30 18:34:36
●A78.47.106.302026-02-24 → 2026-07-30 · 3 obs
● 2026-02-24 09:15:46
● 2026-07-30 18:34:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| mathfactory.de | a.regfish-ns.net, b.regfish-ns.net, c.regfish-ns.net | - |
✅ Authoritative Response
Server:178.21.146.21
NS records: a.regfish-ns.net, b.regfish-ns.net, c.regfish-ns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathfactory.de (unsigned zone)
⏱️ Timing
Total: 534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.47.106.30 |
| NS | 3 | a.regfish-ns.net, b.regfish-ns.net... |
| MX | 1 | mail.mathfactory.de (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | a.regfish-ns.net dns.regfish-ns.net |
Analysis
Hierarchy
mathfactory.de is the parent domain of mail.mathfactory.de and nrw.mathfactory.de.
IP Addresses
mathfactory.de points to a single IP number: 78.47.106.30.
Additional host names — conflux.digital, klebeband-bedruckt.de, zahn-weh.de and two others — share IP numbers with mathfactory.de.
Name Servers
mathfactory.de is delegated to three name servers: a.regfish-ns.net, b.regfish-ns.net and c.regfish-ns.net.
At least some of mathfactory.de's name servers are shared with other domains, for example abbachristianradio.com, perlplexity.org, dr0pi.org and two more.
a.regfish-ns.net, b.regfish-ns.net and c.regfish-ns.net each resolve to two IP addresses: a.regfish-ns.net resolves to 178.21.144.21 and 2a02:2c0:0:21::aced:beef; b.regfish-ns.net resolves to 178.21.145.21 and 2a02:2c0:1:21::aced:beef; c.regfish-ns.net resolves to 178.21.146.21 and 2a02:2c0:2:21::aced:beef.
Mail Servers
mathfactory.de has one mail server: mail.mathfactory.de.
mail.mathfactory.de resolves to a single IP number: 78.47.106.30.