linuxdev.ninja - robtex.com
linuxdev.ninja
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.248.6.66🇺🇸 DIGITALOCEAN104.248.0.0/20 DigitalOcean | ||||||
| PTR | ns1.linuxjpa.com | ||||||
| NS | ns1.linuxjpa.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 104.248.6.66🇺🇸 DIGITALOCEAN104.248.0.0/20 DigitalOcean | ||||||
| PTR | ns1.linuxjpa.com | ||||||
| NS | ns1.linuxdev.ninja ⚠️ Not in zone NS records | ||||||
| A | 104.248.6.66🇺🇸 DIGITALOCEAN104.248.0.0/20 DigitalOcean | ||||||
| PTR | ns1.linuxjpa.com | ||||||
| NS | ns2.linuxdev.ninja ⚠️ Not in zone NS records | ||||||
| A | 104.248.6.66🇺🇸 DIGITALOCEAN104.248.0.0/20 DigitalOcean | ||||||
| PTR | ns1.linuxjpa.com | ||||||
| MX | mail.linuxdev.ninja ⭐ | ||||||
| A | 104.248.6.66🇺🇸 DIGITALOCEAN104.248.0.0/20 DigitalOcean | ||||||
| PTR | ns1.linuxjpa.com | ||||||
| TXT | v=spf1 a mx a:linuxdev.ninja ip4:104.248.6.66 ip4:104.248.6.66 ?all | ||||||
| SOA | ns1.linuxjpa.comroot@ns1.linuxjpa.com 2026-04-09 #5 | ||||||
ninja
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.ninja ⭐ | ||||||
| NS | v0n1.nic.ninja | ||||||
| NS | v0n2.nic.ninja | ||||||
| NS | v0n3.nic.ninja | ||||||
| NS | v2n0.nic.ninja | ||||||
| NS | v2n1.nic.ninja | ||||||
| SOA | v0n0.nic.ninjahostmaster@donuts.email serial=1793901092 | ||||||
Subdomains
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns1.linuxdev.ninja2026-10-06 → 2026-11-05 · 2 obs
● 2026-11-05 18:30:28
●NSns1.linuxjpa.com2026-10-06 → 2026-11-05 · 2 obs
● 2026-11-05 18:30:28
●NSns2.linuxdev.ninja2026-10-06 → 2026-11-05 · 2 obs
● 2026-11-05 18:30:28
●MXmail.linuxdev.ninja2026-10-06 → 2026-11-05 · 2 obs
● 2026-11-05 18:30:28
●A104.248.6.662026-10-06 → 2026-11-05 · 2 obs
● 2026-11-05 18:30:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ninja | v0n2.nic.ninja, v0n3.nic.ninja, v0n0.nic.ninja, v2n1.nic.ninja... | 12 records |
| linuxdev.ninja | ns2.linuxdev.ninja, ns1.linuxdev.ninja | 2 records |
✅ Authoritative Response
Server:104.248.6.66
NS records: ns2.linuxdev.ninja, ns1.linuxdev.ninja
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.248.6.66 |
| NS | 1 | ns1.linuxjpa.com |
| MX | 1 | mail.linuxdev.ninja (pri: 5) |
| TXT | 1 | v=spf1 a mx a:linuxdev.ninja ip4:104.248 |
| SOA | 1 | ns1.linuxjpa.com root.ns1.linuxjpa.com |
📌 Glue Records Collected
Total: 14
In-bailiwick: 14 (v2n1.nic.ninja, v2n0.nic.ninja, v0n3.nic.ninja...)
Analysis
Hierarchy
linuxdev.ninja sits above mail.linuxdev.ninja, ns2.linuxdev.ninja and ns1.linuxdev.ninja in the domain hierarchy.
IP Addresses
linuxdev.ninja resolves to one IP address: 104.248.6.66.
linuxjpa.com, mail.linuxdev.ninja, ns1.linuxjpa.com and two other host names share IP numbers with linuxdev.ninja.
Name Servers
linuxdev.ninja is served by three name servers: ns1.linuxjpa.com, ns1.linuxdev.ninja and ns2.linuxdev.ninja.
linuxdev.ninja and other domains like linuxjpa.com share at least a portion of their name servers.
These name servers are routinely deployed together with the name servers ns2.linuxjpa.com.
The hosts ns1.linuxjpa.com, ns1.linuxdev.ninja and ns2.linuxdev.ninja each direct to 104.248.6.66; one IP address covers all three.
The host names ns1.linuxjpa.com, ns1.linuxdev.ninja and ns2.linuxdev.ninja each resolve to 104.248.6.66.
Mail Servers
Mail for linuxdev.ninja is handled by a single mail server, mail.linuxdev.ninja.
mail.linuxdev.ninja resolves to 104.248.6.66 and no other IP number.