mail.security-checking.net - robtex.com
mail.security-checking.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 199.2.137.203🇺🇸 COGENT199.0.0.0/14 SprintLink | ||||||
| MX | mail.security-checking.net ⭐ | ||||||
| A | 199.2.137.203🇺🇸 COGENT199.0.0.0/14 SprintLink | ||||||
security-checking.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 199.2.137.203🇺🇸 COGENT199.0.0.0/14 SprintLink | ||||||
| NS | ns054a.microsoftinternetsafety.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns001.microsoftinternetsafety.net ⚠️ Not in parent delegation | ||||||
| NS | ns002.microsoftinternetsafety.net ⚠️ Not in parent delegation | ||||||
| NS | ns054b.microsoftinternetsafety.net ⚠️ Not in parent delegation | ||||||
| NS | ns3.microsoftinternetsafety.net ⚠️ Not in zone NS records | ||||||
| NS | ns4.microsoftinternetsafety.net ⚠️ Not in zone NS records | ||||||
| MX | mail.security-checking.net ⭐ | ||||||
| SOA | NS054A.microsoftinternetsafety.netazuredns-hostmaster@microsoft.com serial=1 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●MXmail.security-checking.net2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 20:52:12
●A199.2.137.2032026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 20:52:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| security-checking.net | ns3.microsoftinternetsafety.net, ns4.microsoftinternetsafety.net | 4 records |
✅ Authoritative Response
Server:13.107.206.41
NS records: ns3.microsoftinternetsafety.net, ns4.microsoftinternetsafety.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for security-checking.net (unsigned zone)
⏱️ Timing
Total: 209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.2.137.203 |
| MX | 1 | mail.security-checking.net (pri: 10) |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns3.microsoftinternetsafety.net, ns3.microsoftinternetsafety.net, ns4.microsoftinternetsafety.net...)
Analysis
Mail Server Role
mail.security-checking.net serves as a mail server for security-checking.net and mail.security-checking.net.
IP Addresses
mail.security-checking.net points to a single IP number: 199.2.137.203.
Other host names, for instance mail.tristan-express.biz, boninession.co, 20-2.eu, mail.aultekable.com and defosfiral.com share IP numbers with mail.security-checking.net.
Mail Servers
A single mail server handles mail.security-checking.net.
mail.security-checking.net uses the same mail server setup as other domains, such as security-checking.net.
mail.security-checking.net points to a single IP: 199.2.137.203.