`threeblues.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	`userweb.fastmail.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 2026-03-03 #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=1774431112

Previously MX for

threeblues.com

Subdomains

ns1.threeblues.com

Same first word

threeblues.com

DNS History

11 records (6 active, 5 former)

○NSdns125.gzo.com2015-07-12 → 2017-03-21 · 4 obs

● 2015-07-12 17:31:38
● 2017-03-21 22:01:42
○ 2026-03-21 09:42:06
○ 2026-03-25 09:49:18

○NSdns126.gzo.com2015-07-12 → 2017-03-21 · 4 obs

● 2015-07-12 17:31:38
● 2017-03-21 22:01:42
○ 2026-03-21 09:42:06
○ 2026-03-25 09:49:18

●NSns1.messagingengine.com2026-03-21 → 2026-03-25 · 3 obs

○ 2017-03-21 22:01:42
● 2026-03-21 09:42:06
● 2026-03-25 09:49:18

●NSns2.messagingengine.com2026-03-21 → 2026-03-25 · 3 obs

○ 2017-03-21 22:01:42
● 2026-03-21 09:42:06
● 2026-03-25 09:49:18

●MXin1-smtp.messagingengine.com2026-03-21 → 2026-03-25 · 3 obs

○ 2017-03-21 22:01:42
● 2026-03-21 09:42:06
● 2026-03-25 09:49:18

●MXin2-smtp.messagingengine.com2026-03-21 → 2026-03-25 · 3 obs

○ 2017-03-21 22:01:42
● 2026-03-21 09:42:06
● 2026-03-25 09:49:18

○MXthreeblues.com2015-07-12 → 2017-03-21 · 4 obs

● 2015-07-12 17:31:38
● 2017-03-21 22:01:42
○ 2026-03-21 09:42:06
○ 2026-03-25 09:49:18

●A103.168.172.372026-03-21 → 2026-03-25 · 3 obs

○ 2017-03-21 22:01:42
● 2026-03-21 09:42:06
● 2026-03-25 09:49:18

●A103.168.172.522026-03-21 → 2026-03-25 · 3 obs

○ 2017-03-21 22:01:42
● 2026-03-21 09:42:06
● 2026-03-25 09:49:18

○A216.172.104.32015-07-12 → 2016-07-01 · 4 obs

● 2015-07-12 17:31:38
● 2016-07-01 17:19:22
○ 2017-03-21 22:01:42
○ 2026-03-25 09:49:18

○A216.172.105.862017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-01 17:19:22
● 2017-03-21 22:01:42
○ 2026-03-21 09:42:06
○ 2026-03-25 09:49:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
threeblues.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 threeblues.com (unsigned zone)

⏱️ Timing

Total: 266ms | 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

threeblues.com is a parent of ns1.threeblues.com.

IP Addresses

threeblues.com points to two IP numbers: 103.168.172.37 and 103.168.172.52.

Other host names such as narkling.se, yoo.nyc, www.parente.cc, podwall.com and newsql.nccom.com share IP numbers with threeblues.com.

Name Servers

threeblues.com is delegated to two name servers: ns1.messagingengine.com and ns2.messagingengine.com.

threeblues.com uses the same name server setup as other domains, including sundaresh.me, amorleydesign.com, apienterprises.com.au, cassell.design and fuggle.com.au.

threeblues.com partially shares name servers with other domains, for instance markpeglow.net, pembrokeshirebouncycastles.co.uk, kinginflatables.co.uk and salzenberg.com.

these name servers are commonly used with ns1.rightbox.com, ns2.rightbox.com, ns3.rightbox.com, ns1.bouncycastlenetwork.co.uk and ns2.bouncycastlenetwork.co.uk.

Hostnames with a single IP

ns1.messagingengine.com resolves to: 162.159.24.178.

ns2.messagingengine.com resolves to: 162.159.25.191.

Mail Servers

threeblues.com is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

threeblues.com uses the same mail server setup as other domains, for instance yourspecialmemories.co.uk, fix24words.com, w-hat.com, m0b1.dev and cluemail.com.

threeblues.com shares some mail servers with other domains, for instance zhijingyun.com and d32126.com.

Eight IP numbers for host names:

in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Four IP numbers for host names:

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

threeblues.com - robtex.com

threeblues.com

com

Previously MX for

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

`threeblues.com`

`com`