linuxsecurity.org - dns.ninja
linuxsecurity.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784833230 | ||||||
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
○NSns.guardiandigital.com2015-06-26 → 2020-02-29 · 4 obs
● 2020-02-29 17:33:32
○ 2026-02-17 07:37:02
○ 2026-07-23 19:38:32
○NSns1.guardiandigital.com2015-06-26 → 2020-02-29 · 4 obs
● 2020-02-29 17:33:32
○ 2026-02-17 07:37:02
○ 2026-07-23 19:38:32
○NSns2.guardiandigital.com2015-06-26 → 2020-02-29 · 4 obs
● 2020-02-29 17:33:32
○ 2026-02-17 07:37:02
○ 2026-07-23 19:38:32
○NSns3.guardiandigital.com2020-02-29 → 2020-02-29 · 4 obs
● 2020-02-29 17:33:32
○ 2026-02-17 07:37:02
○ 2026-07-23 19:38:32
●NSpns101.cloudns.net2026-02-17 → 2026-07-23 · 3 obs
● 2026-02-17 07:37:02
● 2026-07-23 19:38:32
●NSpns102.cloudns.net2026-02-17 → 2026-07-23 · 3 obs
● 2026-02-17 07:37:02
● 2026-07-23 19:38:32
●NSpns103.cloudns.net2026-02-17 → 2026-07-23 · 3 obs
● 2026-02-17 07:37:02
● 2026-07-23 19:38:32
●NSpns104.cloudns.net2026-02-17 → 2026-07-23 · 3 obs
● 2026-02-17 07:37:02
● 2026-07-23 19:38:32
●MXgambit.guardiandigital.com2026-02-17 → 2026-07-23 · 3 obs
● 2026-02-17 07:37:02
● 2026-07-23 19:38:32
●MXsmtp.guardiandigital.com2015-06-26 → 2026-07-23 · 2 obs
● 2026-07-23 19:38:32
○MXsmtp1.guardiandigital.com2015-06-26 → 2020-02-29 · 4 obs
● 2020-02-29 17:33:32
○ 2026-02-17 07:37:02
○ 2026-07-23 19:38:32
●A209.216.85.1562026-02-17 → 2026-07-23 · 3 obs
● 2026-02-17 07:37:02
● 2026-07-23 19:38:32
○A23.227.186.1862020-02-29 → 2020-02-29 · 4 obs
● 2020-02-29 17:33:32
○ 2026-02-17 07:37:02
○ 2026-07-23 19:38:32
○A64.1.16.142015-06-26 → 2017-04-09 · 4 obs
● 2017-04-09 06:43:42
○ 2020-02-29 17:33:32
○ 2026-07-23 19:38:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| linuxsecurity.org | pns101.cloudns.net, pns102.cloudns.net, pns103.cloudns.net, pns104.cloudns.net | - |
✅ Authoritative Response
Server:185.136.96.99
NS records: pns101.cloudns.net, pns102.cloudns.net, pns103.cloudns.net, pns104.cloudns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxsecurity.org (unsigned zone)
⏱️ Timing
Total: 597ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.216.85.156 |
| NS | 4 | pns101.cloudns.net, pns102.cloudns.net... |
| MX | 2 | gambit.guardiandigital.com (pri: 10), smtp.guardiandigital.com (pri: 10) |
| TXT | 3 | v=spf1 ip4:68.195.193.42 ip4:209.216.85., google-site-verification=XvXLL6sgBocaIE_... |
| SOA | 1 | pns101.cloudns.net support.cloudns.net |
Analysis
IP Addresses
linuxsecurity.org points to a single IP number: 209.216.85.156.
Additional host names — linuxsecurity.net, linuxfw.org, linuxfw.net and two others — share IP numbers with linuxsecurity.org.
Name Servers
linuxsecurity.org has four authoritative name servers: pns101.cloudns.net, pns102.cloudns.net, pns103.cloudns.net and pns104.cloudns.net.
At least some of linuxsecurity.org's name servers are shared with other domains, for example emissarydc.com, freibad-ld.de, vb9viet.com and two more.
These name servers are often deployed together with the name servers ns101.cloudns.net, ns102.cloudns.net, ns104.cloudns.net and ns103.cloudns.net.
Four hostnames, each resolving to a pair of IP addresses: pns101.cloudns.net directs to 185.136.96.99 and 2a06:fb00:1::1:99; pns102.cloudns.net directs to 185.136.97.99 and 2a06:fb00:1::2:99; pns103.cloudns.net directs to 185.136.98.99 and 2a06:fb00:1::3:99; pns104.cloudns.net directs to 185.136.99.99 and 2a06:fb00:1::4:99.
Mail Servers
linuxsecurity.org has two mail servers: gambit.guardiandigital.com and smtp.guardiandigital.com.
linuxsecurity.org, linuxsecurity.net and linuxsecurity.com all share the same mail server setup.
linuxsecurity.org shares mail servers — at least in part — with other domains, including pipov.com, iq0.com, hotel.bestwestern.com and two others.
It is common to see these mail servers combined with the mail servers bwimail01.guardiandigital.com, bwimail03.guardiandigital.com and relay1.guardiandigital.com.
Each of gambit.guardiandigital.com and smtp.guardiandigital.com has one IP address: gambit.guardiandigital.com uses 130.250.178.199 and smtp.guardiandigital.com uses 209.216.90.117.