`nullmx.com`

DNSSEC	⚠️ Not signed
A	103.168.172.37^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
		PTR	`www.messagingengine.com`
A	103.168.172.52^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
NS	`ns1.messagingengine.com` ⭐
		A	162.159.24.178^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.messagingengine.com`
NS	`ns2.messagingengine.com`
		A	162.159.25.191^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.messagingengine.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`ns1.messagingengine.com`postmaster@messagingengine.com 2026-07-02 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783152586

Subdomains

mail.nullmx.com

Same first word

nullmx.net

nullmx.org

nullmx.com

DNS History

15 records (6 active, 9 former)

○NSns0.dnsmadeeasy.com2015-08-07 → 2015-10-14 · 4 obs

● 2015-08-07 10:19:42
● 2015-10-14 10:25:08
○ 2015-10-25 14:01:58
○ 2026-07-04 08:36:12

○NSns1.dnsmadeeasy.com2015-08-07 → 2015-10-14 · 4 obs

● 2015-08-07 10:19:42
● 2015-10-14 10:25:08
○ 2015-10-25 14:01:58
○ 2026-07-04 08:36:12

●NSns1.messagingengine.com2015-10-25 → 2026-07-04 · 3 obs

○ 2015-10-14 10:25:08
● 2015-10-25 14:01:58
● 2026-07-04 08:36:12

○NSns2.dnsmadeeasy.com2015-08-07 → 2015-10-14 · 4 obs

● 2015-08-07 10:19:42
● 2015-10-14 10:25:08
○ 2015-10-25 14:01:58
○ 2026-07-04 08:36:12

●NSns2.messagingengine.com2015-10-25 → 2026-07-04 · 3 obs

○ 2015-10-14 10:25:08
● 2015-10-25 14:01:58
● 2026-07-04 08:36:12

○NSns3.dnsmadeeasy.com2015-08-07 → 2015-10-14 · 4 obs

● 2015-08-07 10:19:42
● 2015-10-14 10:25:08
○ 2015-10-25 14:01:58
○ 2026-07-04 08:36:12

○NSns4.dnsmadeeasy.com2015-08-07 → 2015-10-14 · 4 obs

● 2015-08-07 10:19:42
● 2015-10-14 10:25:08
○ 2015-10-25 14:01:58
○ 2026-07-04 08:36:12

●MXin1-smtp.messagingengine.com2015-10-25 → 2026-07-04 · 3 obs

○ 2015-10-14 10:25:08
● 2015-10-25 14:01:58
● 2026-07-04 08:36:12

●MXin2-smtp.messagingengine.com2015-10-25 → 2026-07-04 · 3 obs

○ 2015-10-14 10:25:08
● 2015-10-25 14:01:58
● 2026-07-04 08:36:12

○MXmail.nullmx.com2015-08-07 → 2015-10-14 · 4 obs

● 2015-08-07 10:19:42
● 2015-10-14 10:25:08
○ 2015-10-25 14:01:58
○ 2026-07-04 08:36:12

●A103.168.172.372026-02-18 → 2026-07-04 · 3 obs

○ 2020-12-23 10:41:56
● 2026-02-18 14:02:14
● 2026-07-04 08:36:12

●A103.168.172.522026-02-18 → 2026-07-04 · 3 obs

○ 2020-12-23 10:41:56
● 2026-02-18 14:02:14
● 2026-07-04 08:36:12

○A66.111.4.532015-10-25 → 2020-12-23 · 5 obs

○ 2015-10-14 10:25:08
● 2015-10-25 14:01:58
● 2020-12-23 10:41:56
○ 2026-02-18 14:02:14
○ 2026-07-04 08:36:12

○A66.111.4.542015-10-25 → 2020-12-23 · 5 obs

○ 2015-10-14 10:25:08
● 2015-10-25 14:01:58
● 2020-12-23 10:41:56
○ 2026-02-18 14:02:14
○ 2026-07-04 08:36:12

○A67.222.31.2422015-08-07 → 2015-10-14 · 4 obs

● 2015-08-07 10:19:42
● 2015-10-14 10:25:08
○ 2015-10-25 14:01:58
○ 2026-07-04 08:36:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
nullmx.com	ns1.messagingengine.com, ns2.messagingengine.com	2 records

✅ Authoritative Response

Server:162.159.24.178

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nullmx.com (unsigned zone)

⏱️ Timing

Total: 252ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`103.168.172.37, 103.168.172.52`
NS	2	`ns1.messagingengine.com, ns2.messagingengine.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`ns1.messagingengine.com postmaster.messa`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.messagingengine.com, ns2.messagingengine.com)

Analysis

Hierarchy

mail.nullmx.com is a subdomain of nullmx.com.

IP Addresses

nullmx.com has two IP addresses: 103.168.172.37 and 103.168.172.52

Among the host names that share IP numbers with nullmx.com are computernet.com.au, dwyersolutions.com, lins.in and two others.

Name Servers

nullmx.com is served by two delegated name servers, ns1.messagingengine.com and ns2.messagingengine.com.

nullmx.com has the same name server delegation as a number of other domains, such as schwa.ca, tapionlinna.com, oliviamorg.org and two more.

nullmx.com has overlapping name servers with several other domains — among them a1teams.com, kingspartypackages.co.uk, everlastit.com and lukesbouncycastlehire.com.

These name servers commonly appear alongside the name servers ns1.bouncycastlenetwork.co.uk and ns2.bouncycastlenetwork.co.uk.

Both ns1.messagingengine.com and ns2.messagingengine.com have a single IP address each — ns1.messagingengine.com resolves to 162.159.24.178 while ns2.messagingengine.com resolves to 162.159.25.191.

Mail Servers

The MX records for nullmx.com point to two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

nullmx.com has the same mail server arrangement as a number of other domains, for example gammabeyond.com, davidgiesberg.net, hylkema.org and two more.

Host names resolving to 8 IP numbers:

in1-smtp.messagingengine.com carries IP addresses 103.168.172.216, 103.168.172.217 and 103.168.172.218, with 5 other addresses beyond those.

Hosts pointing to four IP addresses:

in2-smtp.messagingengine.com resolves to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

nullmx.com - robtex.com

nullmx.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`nullmx.com`

`com`