mx.systemfree.ru - robtex.com
mx.systemfree.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.91.77.210🇫🇷 OVH51.91.0.0/16 | ||||||
| PTR | vps-7b976e4d.vps.ovh.net | ||||||
systemfree.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.91.77.210🇫🇷 OVH51.91.0.0/16 | ||||||
| NS | ns01.special-ultra-dns.com ⭐ | ||||||
| NS | ns1.special-ultra-dns.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.special-ultra-dns.com ⚠️ Not in zone NS records | ||||||
| MX | mx.systemfree.ru ⭐ | ||||||
| TXT | v=spf1 a mx ip4:51.91.77.210 ~all | ||||||
| SOA | ns01.special-ultra-dns.comhostmaster@systemfree.ru 2026-03-22 #4 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A51.91.77.2102026-03-19 → 2026-03-23 · 2 obs
● 2026-03-19 03:15:00
● 2026-03-23 13:21:16
● 2026-03-23 13:21:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | d.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net... | - |
| systemfree.ru | ns1.special-ultra-dns.com, ns2.special-ultra-dns.com | - |
✅ Authoritative Response
Server:185.56.162.173
NS records: ns1.special-ultra-dns.com, ns2.special-ultra-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for systemfree.ru (unsigned zone)
⏱️ Timing
Total: 1099ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.91.77.210 |
Analysis
Mail Server Role
mx.systemfree.ru serves as the mail server for systemfree.ru.
IP Addresses
mx.systemfree.ru resolves to a single IP address: 51.91.77.210.
Other host names, for instance systemfree.ru, share IP numbers with mx.systemfree.ru.