mx.21mreserve.com - robtex.com
mx.21mreserve.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:b5de🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:1286🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.18.134Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.181.222🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.18.134, 172.67.181.222 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:b5de, 2606:4700:3033::6815:1286 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com | ||||||
21mreserve.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:b5de🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:1286🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.18.134Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.181.222🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | maya.ns.cloudflare.com ⭐ | ||||||
| NS | walt.ns.cloudflare.com | ||||||
| MX | mx.21mreserve.com ⭐ | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.18.134, 172.67.181.222 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:b5de, 2606:4700:3033::6815:1286 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com | ||||||
| SOA | maya.ns.cloudflare.comdns@cloudflare.com serial=2400599961 | ||||||
MX for
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.18.1342026-04-19 → 2026-04-22 · 2 obs
● 2026-04-19 04:55:14
● 2026-04-22 18:23:28
● 2026-04-22 18:23:28
●A172.67.181.2222026-04-19 → 2026-04-22 · 2 obs
● 2026-04-19 04:55:14
● 2026-04-22 18:23:28
● 2026-04-22 18:23:28
●A2606:4700:3032::ac43:b5de2026-04-19 → 2026-04-22 · 2 obs
● 2026-04-19 04:55:14
● 2026-04-22 18:23:28
● 2026-04-22 18:23:28
●A2606:4700:3033::6815:12862026-04-19 → 2026-04-22 · 2 obs
● 2026-04-19 04:55:14
● 2026-04-22 18:23:28
● 2026-04-22 18:23:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net... | - |
| 21mreserve.com | walt.ns.cloudflare.com, maya.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.148
NS records: walt.ns.cloudflare.com, maya.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21mreserve.com (unsigned zone)
⏱️ Timing
Total: 114ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.18.134, 172.67.181.222 |
| AAAA | 2 | 2606:4700:3032::ac43:b5de, 2606:4700:3033::6815:1286 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (walt.ns.cloudflare.com, walt.ns.cloudflare.com, walt.ns.cloudflare.com...)
Analysis
Mail Server Role
The mail server for 21mreserve.com is mx.21mreserve.com.
IP Addresses
mx.21mreserve.com points to four IP numbers: 2606:4700:3032::ac43:b5de, 2606:4700:3033::6815:1286, 104.21.18.134 and 172.67.181.222.
Other host names, for instance aportal.cz, powertoolsarea.com, fhesse.com.br, yangchenjiance.com and memode.eu.cdn.cloudflare.net share IP numbers with mx.21mreserve.com.