sql.crt.net - dns.ninja

`sql.crt.net`

DNSSEC	⚠️ Not signed
A	103.168.172.37^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
A	103.168.172.52^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
MX	`us1-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	`us2-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`

`crt.net`

	DNSSEC	⚠️ Not signed
	A	103.168.172.37^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
	A	103.168.172.52^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
	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 2026-07-05 #0

WOT: SAFE (66/100)
WOT: SAFE (70/100)

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🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:162.159.25.191

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crt.net (unsigned zone)

⏱️ Timing

Total: 970ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`103.168.172.37, 103.168.172.52`
MX	2	`us1-smtp.messagingengine.com (pri: 10), us2-smtp.messagingengine.com (pri: 20)`

Analysis

IP Addresses

sql.crt.net points to the IP addresses 103.168.172.37 and 103.168.172.52

psi-tek.com, mccoll.am, hightechhasbeen.com plus two other host names have IP numbers in common with sql.crt.net.

Mail Servers

sql.crt.net uses two mail servers, us1-smtp.messagingengine.com and us2-smtp.messagingengine.com.

The mail server setup of sql.crt.net matches that of other domains such as captaincooks.net, afowles.org, the-millers.com and two others.

sql.crt.net has mail servers in common with other domains — stach.co.uk being one example.

Hosts with 8 IP addresses each:

us1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Host names with four IP addresses:

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