linux.college - dns.ninja
linux.college
college
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.college | ||||||
| NS | b.nic.college | ||||||
| NS | c.nic.college | ||||||
| NS | d.nic.college | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=3000462052 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.digitalocean.com2019-12-13 → 2026-07-21 · 2 obs
● 2026-07-21 07:18:38
●NSns2.digitalocean.com2019-12-13 → 2026-07-21 · 2 obs
● 2026-07-21 07:18:38
●NSns3.digitalocean.com2019-12-13 → 2026-07-21 · 2 obs
● 2026-07-21 07:18:38
●A192.241.196.532019-12-13 → 2026-07-21 · 2 obs
● 2026-07-21 07:18:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| college | b.nic.college, d.nic.college, a.nic.college, c.nic.college | 8 records |
| linux.college | ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.49.209
NS records: ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux.college (unsigned zone)
⏱️ Timing
Total: 2097ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.241.196.53 |
| NS | 3 | ns3.digitalocean.com, ns1.digitalocean.com... |
| MX | 3 | mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)... |
| TXT | 1 | v=spf1 include:zoho.com ~all |
| SOA | 1 | ns1.digitalocean.com hostmaster.linux.co |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.college, b.nic.college, c.nic.college...)
Analysis
IP Addresses
linux.college resolves to one IP address: 192.241.196.53.
Other host names share IP numbers with linux.college; ksm.sh is one such example.
Name Servers
Three name servers are authoritative for linux.college: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
The name servers of linux.college overlap at least partially with those of other domains — among them whitespace-tech.com, 1.0.0.4.8.d.e.0.0.0.0.0.0.0.0.0.0.d.0.0.2.0.0.0.0.c.0.b.3.0.a.2.ip6.arpa, 181.209.134.in-addr.arpa and two more.
ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1. All three hostnames point to two IP numbers each.
Mail Servers
Mail for linux.college is routed through three mail servers — mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
linux.college has at least partial mail server overlap with other domains such as camthompson.ca, quickparentapp.com, austin-white.com and two more.
mx2.zoho.com resolves to 136.143.183.44. Notably, mx3.zoho.com and mx.zoho.com share the same IP address, 204.141.43.44.
These two host names — mx3.zoho.com and mx.zoho.com — each point to 204.141.43.44 IP addresses.