linuxsecurity.expert - dns.ninja
linuxsecurity.expert
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2604:a880:4:1d0::2c7:5000🇺🇸 DIGITALOCEAN2604:a880:4::/48 DigitalOcean | ||||||
| A | 143.198.148.65🇺🇸 DIGITALOCEAN143.198.144.0/20 | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| TXT | google-site-verification=WJ4qfRjDSBjNNQxwuxi9VOHsK4CIsOTjjNu2M1sHl_c | ||||||
| TXT | yandex-verification: 73abbc7e2e67a9f0 | ||||||
| SOA | ns1.digitalocean.comhostmaster@linuxsecurity.expert serial=0 | ||||||
expert
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.expert ⭐ | ||||||
| NS | v0n1.nic.expert | ||||||
| NS | v0n2.nic.expert | ||||||
| NS | v0n3.nic.expert | ||||||
| NS | v2n0.nic.expert | ||||||
| NS | v2n1.nic.expert | ||||||
| SOA | v0n0.nic.experthostmaster@donuts.email serial=1784840015 | ||||||
Subdomains
www.linuxsecurity.expert |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.digitalocean.com2019-08-12 → 2026-07-23 · 2 obs
● 2026-07-23 21:39:26
●NSns2.digitalocean.com2019-08-12 → 2026-07-23 · 2 obs
● 2026-07-23 21:39:26
●NSns3.digitalocean.com2019-08-12 → 2026-07-23 · 2 obs
● 2026-07-23 21:39:26
○A104.131.6.942019-08-12 → 2019-08-12 · 3 obs
○ 2026-03-06 23:17:46
○ 2026-07-23 21:39:26
●A143.198.148.652026-03-06 → 2026-07-23 · 3 obs
● 2026-03-06 23:17:46
● 2026-07-23 21:39:26
●A2604:a880:4:1d0::2c7:50002026-03-06 → 2026-07-23 · 3 obs
● 2026-03-06 23:17:46
● 2026-07-23 21:39:26
○A2604:a880:800:10::3093:40012019-08-12 → 2019-08-12 · 3 obs
○ 2026-03-06 23:17:46
○ 2026-07-23 21:39:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| expert | v2n0.nic.expert, v0n3.nic.expert, v0n2.nic.expert, v0n0.nic.expert... | 12 records |
| linuxsecurity.expert | ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.53.21
NS records: ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxsecurity.expert (unsigned zone)
⏱️ Timing
Total: 767ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.198.148.65 |
| AAAA | 1 | 2604:a880:4:1d0::2c7:5000 |
| NS | 3 | ns3.digitalocean.com, ns1.digitalocean.com... |
| TXT | 2 | yandex-verification: 73abbc7e2e67a9f0, google-site-verification=WJ4qfRjDSBjNNQx |
| SOA | 1 | ns1.digitalocean.com hostmaster.linuxsec |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v2n1.nic.expert, v2n0.nic.expert, v0n3.nic.expert...)
Analysis
Hierarchy
www.linuxsecurity.expert is delegated beneath linuxsecurity.expert.
IP Addresses
linuxsecurity.expert has two IP addresses: 143.198.148.65 and 2604:a880:4:1d0::2c7:5000
Name Servers
linuxsecurity.expert is served by three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
There is at least partial name server overlap between linuxsecurity.expert and other domains — infoflexsweden.se, devtoolindex.com, finitebox.com and two more among them.
The hostnames ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com each direct to two IP addresses — ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.