mail.fb521.com - robtex.com
mail.fb521.com
| DNSSEC | ⚠️ Not signed | ||||||
fb521.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:c05a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:146c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.20.108Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.192.90🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | aron.ns.cloudflare.com ⭐ | ||||||
| NS | jeremy.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.20.108, 172.67.192.90 | ||||||
| IPv6 | 2606:4700:3032::ac43:c05a, 2606:4700:3034::6815:146c | ||||||
| SOA | aron.ns.cloudflare.comdns@cloudflare.com serial=2395728445 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
○A182.239.42.262016-09-07 → 2016-12-30 · 3 obs
● 2016-09-07 01:30:58
● 2016-12-30 20:04:24
○ 2026-03-26 20:33:20
● 2016-12-30 20:04:24
○ 2026-03-26 20:33:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| fb521.com | aron.ns.cloudflare.com, jeremy.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.69
NS records: aron.ns.cloudflare.com, jeremy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fb521.com (unsigned zone)
⏱️ Timing
Total: 186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (aron.ns.cloudflare.com, aron.ns.cloudflare.com, aron.ns.cloudflare.com...)