`mail7.cfmiami.com`

DNSSEC	⚠️ Not signed
A	76.74.147.166^{🇺🇸 APTUM76.74.144.0/22 Peer1 Route Object}
		PTR	`cfmail.cfmiami.com`
		PTR	`fw22.cfmiami.com`

`cfmiami.com`

	DNSSEC	⚠️ Not signed
	A	50.116.64.71^{🇺🇸 ORACLE-OCI-3189850.116.64.0/21 CyrusOne-Customer Prefix}
	NS	`ns79.worldnic.com` ⭐
	NS	`ns80.worldnic.com`
	MX	`cfmiami-com.mail.protection.outlook.com` ⭐
	TXT	`MS=ms49544998`
	TXT	`v=spf1 a:s7-prod.cfmiami.com a:mail.cfmiami.com ip4:76.74.147.161/27 include:...`
	SOA	`NS79.WORLDNIC.com`namehost@WORLDNIC.com serial=125110311

Previously MX for

cfmiami.com

Same first word

mail7.nhs.uk

mail7.org

mail7.com

mail7.jp

mail7.net

mail7.kinghost.net

mail7.de

mail7.io

mail7.ch

Similar names

7mail.com.br

7mail.org

lima7.net

7mail.info

7mail.be

al7mi.com

lima7.com

7mail.email

7mail.fr

7mail.ch

7mail.cc

7alim.com

7amil.com

7mail.eu

7mail.de

7mail.net

7mila.se

7mail.com

DNS History

2 records (1 active, 1 former)

○A64.40.134.192015-05-21 → 2016-12-01 · 4 obs

● 2015-05-21 06:33:56
● 2016-12-01 16:04:30
○ 2021-11-11 13:10:46
○ 2026-04-14 08:37:18

●A76.74.147.1662026-03-22 → 2026-04-14 · 3 obs

○ 2021-11-11 13:10:46
● 2026-03-22 01:51:20
● 2026-04-14 08:37:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
cfmiami.com	ns79.worldnic.com, ns80.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.27

NS records: ns79.worldnic.com, ns80.worldnic.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 335ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.74.147.166`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns79.worldnic.com, ns80.worldnic.com)

Analysis

IP Addresses

mail7.cfmiami.com resolves to one IP number: 76.74.147.166.

other host names including fw1.cfmiami.com, fw2.cfmiami.com, mail10.cfmiami.com, fw22.cfmiami.com and provisioning2.cfmiami.com share IP numbers with mail7.cfmiami.com.

mail7.cfmiami.com - robtex.com