linux-firewall.info - dns.ninja
linux-firewall.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.4.233.245🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | kundenwebs.sys2.de | ||||||
| NS | ns.sys2.de ⭐ | ||||||
| A | 2a01:4f8:130:7ffc::248🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 46.4.233.248🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | ns.sys2.de | ||||||
| NS | mrtg.sys2.de | ||||||
| A | 2001:41d0:701:1100::14b1🇩🇪 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | mrtg.sys2.de | ||||||
| A | 51.68.191.157🇫🇷 OVH51.68.0.0/16 | ||||||
| PTR | mrtg.sys2.de | ||||||
| MX | vmx1.sys2.de ⭐ | ||||||
| A | 2a01:4f8:130:7ffc::252🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | vmx1.sys2.de | ||||||
| A | 46.4.233.252🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | vmx1.sys2.de | ||||||
| SOA | ns.sys2.dehostmaster@linux-firewall.info serial=1786453174 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1786754713 | ||||||
Same first word
linux-firewall.com |
linux-firewall.org |
linux-firewall.de |
linux-firewall.info |
linux-firewall.biz |
linux-firewall.eu |
Similar names
DNS History
5 records (4 active, 1 former)
●NSmrtg.sys2.de2026-05-16 → 2026-08-15 · 3 obs
● 2026-05-16 17:18:14
● 2026-08-15 01:28:52
○NSvs2.sys2.de2015-08-07 → 2019-12-24 · 4 obs
● 2019-12-24 09:02:18
○ 2026-05-16 17:18:14
○ 2026-08-15 01:28:52
●A46.4.233.2452015-08-07 → 2026-08-15 · 2 obs
● 2026-08-15 01:28:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| linux-firewall.info | mrtg.sys2.de, ns.sys2.de | - |
✅ Authoritative Response
Server:51.68.191.157
NS records: mrtg.sys2.de, ns.sys2.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux-firewall.info (unsigned zone)
⏱️ Timing
Total: 971ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.4.233.245 |
| NS | 2 | ns.sys2.de, mrtg.sys2.de |
| MX | 1 | vmx1.sys2.de (pri: 20) |
| SOA | 1 | ns.sys2.de hostmaster.linux-firewall.inf |
Analysis
IP Addresses
linux-firewall.info resolves to one IP address: 46.4.233.245.
admin.sys2.de, vs1.sys2.de, reitinger-ingenieure.de and two other host names share IP numbers with linux-firewall.info.
Name Servers
Two name servers handle the delegation for linux-firewall.info: mrtg.sys2.de and ns.sys2.de.
linux-firewall.info uses the same name servers as several other domains — among them rosenkreuzer.net, kunststoff-christel.de, web-planer.de and two more.
linux-firewall.info partially shares its NS delegation with several other domains, including tage-der-offenen-tuer.de, last-minute-ferienwohnung.de, investment-cash.de and two others.
These name servers often co-occur with the name servers vs2.sys2.de.
mrtg.sys2.de and ns.sys2.de both carry two IP addresses. The A records for mrtg.sys2.de are 51.68.191.157 and 2001:41d0:701:1100::14b1; the A records for ns.sys2.de are 46.4.233.248 and 2a01:4f8:130:7ffc::248.
Mail Servers
Mail for linux-firewall.info is handled by a single mail server, vmx1.sys2.de.
linux-firewall.info uses an identical mail server configuration to several other domains — among them ira.at, dnsip.de, vmx1.sys2.de and two more.
The host vmx1.sys2.de resolves to 46.4.233.252 and 2a01:4f8:130:7ffc::252 — two IP addresses.