mx.zerofiftyone.com - robtex.com
mx.zerofiftyone.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 148.251.21.15🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | static.15.21.251.148.clients.your-server.de | ||||||
zerofiftyone.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 148.251.21.15🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| NS | cortney.ns.cloudflare.com ⭐ | ||||||
| NS | lex.ns.cloudflare.com | ||||||
| MX | mx.zerofiftyone.com ⭐ | ||||||
| TXT | v=spf1 mx a include:_spf.livemail.co.uk ~all | ||||||
| SOA | cortney.ns.cloudflare.comdns@cloudflare.com serial=2398274709 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A148.251.21.152026-03-26 → 2026-04-15 · 3 obs
○ 2019-01-20 17:02:12
● 2026-03-26 14:43:16
● 2026-04-15 10:47:08
● 2026-03-26 14:43:16
● 2026-04-15 10:47:08
○A89.249.75.642019-01-20 → 2019-01-20 · 3 obs
● 2019-01-20 17:02:12
○ 2026-03-26 14:43:16
○ 2026-04-15 10:47:08
○ 2026-03-26 14:43:16
○ 2026-04-15 10:47:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net... | - |
| zerofiftyone.com | cortney.ns.cloudflare.com, lex.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.196
NS records: cortney.ns.cloudflare.com, lex.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zerofiftyone.com (unsigned zone)
⏱️ Timing
Total: 110ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.251.21.15 |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (cortney.ns.cloudflare.com, cortney.ns.cloudflare.com, cortney.ns.cloudflare.com...)
Analysis
Mail Server Role
mx.zerofiftyone.com serves as the mail server for zerofiftyone.com.
IP Addresses
mx.zerofiftyone.com points to IP number 148.251.21.15.
Other host names, for example static.15.21.251.148.clients.your-server.de and zerofiftyone.com, share IPs with mx.zerofiftyone.com.