mx.sa-b.com - robtex.com
mx.sa-b.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| NS | ns3.expirationwarning.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| PTR | ns3.expirationwarning.net | ||||||
| NS | ns7.expirationwarning.net ⚠️ Not in parent delegation | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-07 #0 | ||||||
sa-b.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| NS | ns3.expirationwarning.net ⭐ | ||||||
| NS | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-07 #0 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSns3.expirationwarning.net2026-08-07 → 2026-08-07 · 1 obs
●NSns7.expirationwarning.net2026-08-07 → 2026-08-07 · 1 obs
○A154.84.73.962026-05-10 → 2026-05-10 · 3 obs
○ 2026-07-22 09:14:12
○ 2026-08-07 18:04:08
●A51.195.17.682026-08-07 → 2026-08-07 · 2 obs
● 2026-08-07 18:04:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sa-b.com | ns3.expirationwarning.net, ns7.expirationwarning.net | - |
✅ Authoritative Response
Server:51.195.17.68
NS records: ns3.expirationwarning.net, ns7.expirationwarning.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sa-b.com (unsigned zone)
⏱️ Timing
Total: 399ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.161.21.1 |
| NS | 2 | ns3.expirationwarning.net, ns7.expirationwarning.net |
| SOA | 1 | ns3.expirationwarning.net hostmaster.exp |
Analysis
IP Addresses
mx.sa-b.com has exactly one IP address — 51.195.17.68.
inksinstallation.com, 99yl32.com, mail.acetelcomm.com plus two other host names have IP numbers in common with mx.sa-b.com.
Name Servers
Two name servers handle the delegation for mx.sa-b.com: ns3.expirationwarning.net and ns7.expirationwarning.net.
The name server configuration of mx.sa-b.com is shared with other domains, for instance neryungri1.pr-13.com, tkerush.com, wfbzf.com and two others.
There is at least partial name server overlap between mx.sa-b.com and other domains — wnutritech.com, ifreetv.net, msl.bike and two more among them.
ns3.expirationwarning.net → 51.161.21.1 and ns7.expirationwarning.net → 51.195.17.68: one IP number per host name.