`rs.deep-code.co.uk`

DNSSEC	⚠️ Not signed
MX	`in1-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	`in2-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`

`deep-code.co.uk`

	DNSSEC	⚠️ Not signed
	NS	`ns-1722.awsdns-23.co.uk` ⭐
	NS	`ns-1149.awsdns-15.org`
	NS	`ns-475.awsdns-59.com`
	NS	`ns-685.awsdns-21.net`
	MX	`in1-smtp.messagingengine.com` ⭐
	MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
	TXT	`v=spf1 include:spf.messagingengine.com ?all`
	SOA	`ns-1722.awsdns-23.co.uk`awsdns-hostmaster@amazon.com serial=1

Same first word

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DNS History

2 records (2 active, 0 former)

●MXin1-smtp.messagingengine.com2026-03-24 → 2026-08-09 · 2 obs

● 2026-03-24 03:28:08
● 2026-08-09 03:24:58

●MXin2-smtp.messagingengine.com2026-03-24 → 2026-08-09 · 2 obs

● 2026-03-24 03:28:08
● 2026-08-09 03:24:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
deep-code.co.uk	ns-475.awsdns-59.com, ns-685.awsdns-21.net, ns-1149.awsdns-15.org, ns-1722.awsdns-23.co.uk	-

✅ Authoritative Response

Server:205.251.193.219

NS records: ns-475.awsdns-59.com, ns-685.awsdns-21.net, ns-1149.awsdns-15.org, ns-1722.awsdns-23.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for deep-code.co.uk (unsigned zone)

⏱️ Timing

Total: 723ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`

Analysis

Mail Servers

Mail for rs.deep-code.co.uk is handled by two mail servers — in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

rs.deep-code.co.uk uses an identical mail server configuration to several other domains — among them codeah.org, kunstparkplatz.de, 10-81-126-149.ptr.runatlas.is and two more.

rs.deep-code.co.uk uses mail servers that are also used by other domains, including ty1dl.com, fidata.si and taylorcarrigan.com.

Hostnames that resolve to 8 IP addresses:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217 and 103.168.172.218 among others, with 5 other IP addresses in total.

Hosts that point to four IP numbers:

in2-smtp.messagingengine.com has four IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

rs.deep-code.co.uk - dns.ninja

rs.deep-code.co.uk

deep-code.co.uk