mail.sad.computer - robtex.com
mail.sad.computer
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.245.126.219🇺🇸 COLOCROSSING172.245.126.0/24 | ||||||
| PTR | 172-245-126-219-host.colocrossing.com | ||||||
sad.computer
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 107.175.31.84🇺🇸 COLOCROSSING107.175.31.0/24 | ||||||
| NS | ns1.step1.sh ⭐ | ||||||
| NS | ns2.step1.sh | ||||||
| MX | mail.sad.computer ⭐ | ||||||
| TXT | v=spf1 a include:sad.computer -all | ||||||
| SOA | ns1.step1.shadmin@sad.computer serial=1314 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A172.245.126.2192026-08-16 → 2026-08-17 · 2 obs
● 2026-08-16 09:59:04
● 2026-08-17 03:49:38
● 2026-08-17 03:49:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| computer | v0n2.nic.computer, v0n0.nic.computer, v2n0.nic.computer, v0n3.nic.computer... | - |
| sad.computer | ns2.step1.sh, ns1.step1.sh | - |
✅ Authoritative Response
Server:192.227.231.219
NS records: ns2.step1.sh, ns1.step1.sh
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 520ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.245.126.219 |
Analysis
Mail Server Role
Mail for sad.computer is routed through the mail server mail.sad.computer.
IP Addresses
mail.sad.computer has exactly one IP address — 172.245.126.219.