nullmx.codefusion.net - dns.ninja

`nullmx.codefusion.net`

DNSSEC	⚠️ Not signed
MX	`us1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`us2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`

`codefusion.net`

	DNSSEC	⚠️ Not signed
	NS	`ns1.messagingengine.com` ⭐
	NS	`ns2.messagingengine.com`
	MX	`us1-smtp.messagingengine.com` ⭐
	MX	`us2-smtp.messagingengine.com`⁽²⁰⁾
	TXT	`v=spf1 include:spf.messagingengine.com ?all`
	SOA	`ns1.messagingengine.com`postmaster@messagingengine.com 2026-07-06 #0

Previously MX for

codefusion.net

Same first word

nullmx.org

nullmx.com

nullmx.net

DNS History

4 records (2 active, 2 former)

●MXus1-smtp.messagingengine.com2026-07-28 → 2026-07-28 · 1 obs

● 2026-07-28 08:52:48

●MXus2-smtp.messagingengine.com2026-07-28 → 2026-07-28 · 1 obs

● 2026-07-28 08:52:48

○A207.148.248.1432015-11-04 → 2016-04-21 · 4 obs

○ 2015-07-03 20:46:36
● 2015-11-04 16:55:46
● 2016-04-21 23:37:18
○ 2026-07-28 08:52:48

○A66.151.181.492015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 20:46:36
○ 2015-11-04 16:55:46
○ 2026-07-28 08:52:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
codefusion.net	ns1.messagingengine.com, ns2.messagingengine.com	-

✅ Authoritative Response

Server:162.159.24.178

NS records: ns1.messagingengine.com, ns2.messagingengine.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codefusion.net (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`us1-smtp.messagingengine.com (pri: 10), us2-smtp.messagingengine.com (pri: 20)`

Analysis

Mail Servers

Mail for nullmx.codefusion.net is handled by two mail servers — us1-smtp.messagingengine.com and us2-smtp.messagingengine.com.

nullmx.codefusion.net uses an identical mail server configuration to several other domains — among them business-apartment-vienna.at, google.com.factforest.com, matt-land.com and two more.

Hostnames that resolve to 8 IP addresses:

Hostname us1-smtp.messagingengine.com directs to 103.168.172.216, 103.168.172.217 and 103.168.172.218 along with 5 other IP addresses.

Hosts that point to four IP numbers:

us2-smtp.messagingengine.com directs to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.