`mailfirst.net`

DNSSEC	⚠️ Not signed
A	103.168.172.37^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
		PTR	`www.messagingengine.com`
A	103.168.172.52^{🇺🇸 TELX-AS151847103.168.172.0/24 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	`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`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`ns1.messagingengine.com`postmaster@messagingengine.com 2026-07-09 #0

`net`

	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=1785467247

PTR for

147.222.108.23.in-addr.arpa

Same first word

mailfirst.com

mailfirst.icu

mailfirst.net

Similar names

DNS History

18 records (6 active, 12 former)

○NSalina.ns.cloudflare.com2018-10-27 → 2018-10-27 · 4 obs

○ 2017-01-27 12:43:42
● 2018-10-27 13:19:40
○ 2026-05-23 16:43:40
○ 2026-07-31 03:19:44

○NSisaac.ns.cloudflare.com2018-10-27 → 2018-10-27 · 4 obs

○ 2017-01-27 12:43:42
● 2018-10-27 13:19:40
○ 2026-05-23 16:43:40
○ 2026-07-31 03:19:44

●NSns1.messagingengine.com2026-05-23 → 2026-07-31 · 3 obs

○ 2018-10-27 13:19:40
● 2026-05-23 16:43:40
● 2026-07-31 03:19:44

○NSns17.domaincontrol.com2017-01-27 → 2017-01-27 · 4 obs

○ 2016-04-23 04:05:02
● 2017-01-27 12:43:42
○ 2018-10-27 13:19:40
○ 2026-07-31 03:19:44

○NSns18.domaincontrol.com2017-01-27 → 2017-01-27 · 4 obs

○ 2016-04-23 04:05:02
● 2017-01-27 12:43:42
○ 2018-10-27 13:19:40
○ 2026-07-31 03:19:44

●NSns2.messagingengine.com2026-05-23 → 2026-07-31 · 3 obs

○ 2018-10-27 13:19:40
● 2026-05-23 16:43:40
● 2026-07-31 03:19:44

○NSpdns03.domaincontrol.com2015-06-07 → 2016-04-23 · 4 obs

● 2015-06-07 02:20:16
● 2016-04-23 04:05:02
○ 2017-01-27 12:43:42
○ 2026-07-31 03:19:44

○NSpdns04.domaincontrol.com2015-06-07 → 2016-04-23 · 4 obs

● 2015-06-07 02:20:16
● 2016-04-23 04:05:02
○ 2017-01-27 12:43:42
○ 2026-07-31 03:19:44

○MXin1-smtp.messagingengine.com2026-05-23 → 2026-05-23 · 4 obs

○ 2018-10-27 13:19:40
● 2026-05-23 16:43:40
○ 2026-07-25 15:43:48
○ 2026-07-31 03:19:44

○MXin2-smtp.messagingengine.com2026-05-23 → 2026-05-23 · 4 obs

○ 2018-10-27 13:19:40
● 2026-05-23 16:43:40
○ 2026-07-25 15:43:48
○ 2026-07-31 03:19:44

○MXmailstore1.secureserver.net2015-06-07 → 2017-01-27 · 4 obs

● 2015-06-07 02:20:16
● 2017-01-27 12:43:42
○ 2018-10-27 13:19:40
○ 2026-07-31 03:19:44

○MXsmtp.secureserver.net2015-06-07 → 2017-01-27 · 4 obs

● 2015-06-07 02:20:16
● 2017-01-27 12:43:42
○ 2018-10-27 13:19:40
○ 2026-07-31 03:19:44

●MXus1-smtp.messagingengine.com2026-07-25 → 2026-07-31 · 3 obs

○ 2026-05-23 16:43:40
● 2026-07-25 15:43:48
● 2026-07-31 03:19:44

●MXus2-smtp.messagingengine.com2026-07-25 → 2026-07-31 · 3 obs

○ 2026-05-23 16:43:40
● 2026-07-25 15:43:48
● 2026-07-31 03:19:44

●A103.168.172.372026-05-23 → 2026-07-31 · 3 obs

○ 2018-10-27 13:19:40
● 2026-05-23 16:43:40
● 2026-07-31 03:19:44

●A103.168.172.522026-05-23 → 2026-07-31 · 3 obs

○ 2018-10-27 13:19:40
● 2026-05-23 16:43:40
● 2026-07-31 03:19:44

○A184.168.221.492015-06-07 → 2017-01-27 · 4 obs

● 2015-06-07 02:20:16
● 2017-01-27 12:43:42
○ 2018-10-27 13:19:40
○ 2026-07-31 03:19:44

○A23.108.222.1472018-10-27 → 2018-10-27 · 4 obs

○ 2017-01-27 12:43:42
● 2018-10-27 13:19:40
○ 2026-05-23 16:43:40
○ 2026-07-31 03:19:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mailfirst.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 mailfirst.net (unsigned zone)

⏱️ Timing

Total: 358ms | 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	`us1-smtp.messagingengine.com (pri: 10), us2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`ns1.messagingengine.com postmaster.messa`

Analysis

IP Addresses

mailfirst.net points to the IP addresses 103.168.172.37 and 103.168.172.52

Among the host names that share IP numbers with mailfirst.net are oalian.com, vogelsang.org, fnolan.com and two others.

Name Servers

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

mailfirst.net has the same name server delegation as a number of other domains, such as caolan.uk, crowdersllc.com, genoesezerbi.com and two more.

At least some of mailfirst.net's name servers are shared with other domains, for example supersteosbouncycastles.com and binkybounce.com.

These name servers tend to be deployed in combination with the name servers ns1.bouncycastlenetwork.co.uk and ns2.bouncycastlenetwork.co.uk.

Each of ns1.messagingengine.com and ns2.messagingengine.com has one IP address: ns1.messagingengine.com uses 162.159.24.178 and ns2.messagingengine.com uses 162.159.25.191.

Mail Servers

The MX records for mailfirst.net point to two mail servers: us1-smtp.messagingengine.com and us2-smtp.messagingengine.com.

mailfirst.net has the same mail server arrangement as a number of other domains, for example gvcos.net, abney.us, ciphertext.ca and two more.

Host names resolving to 8 IP numbers:

us1-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:

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

mailfirst.net - robtex.com

mailfirst.net

net

PTR for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`mailfirst.net`

`net`