mail.16b2.com - robtex.com
mail.16b2.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.141.120.188🇸🇬 Amazon18.140.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-18-141-120-188.ap-southeast-1.compute.amazonaws.com | ||||||
| MX | mail.16b2.com ⭐ | ||||||
| A | 18.141.120.188🇸🇬 Amazon18.140.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-18-141-120-188.ap-southeast-1.compute.amazonaws.com | ||||||
| TXT | v=spf1 include:yhnbgs.bloombrilliant.com ~all | ||||||
16b2.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:baf0🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:257🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.2.87Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.186.240🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | rachel.ns.cloudflare.com ⭐ | ||||||
| NS | sterling.ns.cloudflare.com | ||||||
| MX | mail.16b2.com ⭐ | ||||||
| TXT | v=spf1 include:yhnbgs.bloombrilliant.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.2.87, 172.67.186.240 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:baf0, 2606:4700:3036::6815:257 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com | ||||||
| SOA | rachel.ns.cloudflare.comdns@cloudflare.com serial=2407064700 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●MXmail.16b2.com2026-07-18 → 2026-07-25 · 2 obs
● 2026-07-25 01:46:54
●A18.141.120.1882026-07-18 → 2026-07-25 · 2 obs
● 2026-07-25 01:46:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 16b2.com | rachel.ns.cloudflare.com, sterling.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.143
NS records: rachel.ns.cloudflare.com, sterling.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 16b2.com (unsigned zone)
⏱️ Timing
Total: 213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.141.120.188 |
| MX | 1 | mail.16b2.com (pri: 10) |
| TXT | 1 | v=spf1 include:yhnbgs.bloombrilliant.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (rachel.ns.cloudflare.com, rachel.ns.cloudflare.com, rachel.ns.cloudflare.com...)
Analysis
Mail Server Role
mail.16b2.com is the mail server for 16b2.com and for mail.16b2.com itself.
IP Addresses
mail.16b2.com resolves to one IP address: 18.141.120.188.
mail.ilt5.com, ec2-18-141-120-188.ap-southeast-1.compute.amazonaws.com, mail.4qo6.com and two other host names share IP numbers with mail.16b2.com.
Mail Servers
Mail for mail.16b2.com is handled by one mail server — mail.16b2.com.
The mail server configuration of mail.16b2.com is identical to that of other domains — 16b2.com being one example.
mail.16b2.com resolves to a single IP number: 18.141.120.188.