`mail.blueu.net`

CNAME	`blueu.net`
DNSSEC	⚠️ Not signed
A	212.42.180.237^{🇬🇧 FASTNETUK212.42.160.0/19 Routing for FastNet International}
		PTR	`node30.fast.net.uk`
NS	`ns7.fast.net.uk` ⭐
		A	212.42.162.165^{🇬🇧 FASTNETUK212.42.160.0/19 Routing for FastNet International}
			PTR	`ns7.fast.net.uk`
NS	`ns8.fast.net.uk`
		A	212.42.162.48^{🇬🇧 FASTNETUK212.42.160.0/19 Routing for FastNet International}
			PTR	`ns8.fast.net.uk`
MX	`blueu.net` ⭐
		A	212.42.180.237^{🇬🇧 FASTNETUK212.42.160.0/19 Routing for FastNet International}
			PTR	`node30.fast.net.uk`
MX	`relay1.fast.net.uk`⁽²⁵⁾
		A	212.42.162.19^{🇬🇧 FASTNETUK212.42.160.0/19 Routing for FastNet International}
			PTR	`relay1.fast.net.uk`
		A	212.42.162.64^{🇬🇧 FASTNETUK212.42.160.0/19 Routing for FastNet International}
			PTR	`relay1.fast.net.uk`
SOA	`ns7.fast.net.uk`help@fastnet.co.uk 2026-04-28 #1

`blueu.net`

	DNSSEC	⚠️ Not signed
	A	212.42.180.237^{🇬🇧 FASTNETUK212.42.160.0/19 Routing for FastNet International}
	NS	`ns7.fast.net.uk` ⭐
	NS	`ns8.fast.net.uk`
	MX	`blueu.net` ⭐
	MX	`relay1.fast.net.uk`⁽²⁵⁾
	SOA	`ns7.fast.net.uk`help@fastnet.co.uk 2026-04-28 #1

Previously MX for

blueu.net

Same first word

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mail.brasilia.me

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mail.it.com

mail.gov.mg

mail.ss

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mail.gov.ae

mail.com.ba

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mail.ly

mail.gs

mail.bg

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mail.vip

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alim.info

DNS History

2 records (1 active, 1 former)

○A5.102.190.1922016-06-15 → 2016-06-15 · 3 obs

● 2016-06-15 03:05:44
○ 2026-04-28 06:28:04
○ 2026-04-28 06:28:06

●CNAMEblueu.net2026-04-28 → 2026-04-28 · 2 obs

● 2026-04-28 06:28:04
● 2026-04-28 06:28:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	d.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
blueu.net	ns7.fast.net.uk, ns8.fast.net.uk	-

✅ Authoritative Response

Server:212.42.162.165

NS records: ns7.fast.net.uk, ns8.fast.net.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blueu.net (unsigned zone)

⏱️ Timing

Total: 589ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`blueu.net`

Analysis

IP Addresses

mail.blueu.net resolves to one IP number: 212.42.180.237.

other host names including fabris.co.uk, www.igta.org, mail.one-digital.com, mail.firstfriday-network.co.uk and britanniatea.com share IP numbers with mail.blueu.net.

Name Servers

mail.blueu.net is delegated to two name servers ns7.fast.net.uk and ns8.fast.net.uk.

mail.blueu.net shares the same name server setup as other domains, for instance lfrs.org, walledgardens.net, barriealderton.co.uk, castlegalleries.com and planetslade.com.

mail.blueu.net at least partially shares name servers with other domains, for instance sorskys.co.uk, a-p-ginc.de, vglbma.com, sunninghill.com and pomctn.org.uk.

Host names with one IP number:

ns7.fast.net.uk points to 212.42.162.165

ns8.fast.net.uk points to 212.42.162.48

Mail Servers

Two mail servers handle mail.blueu.net: blueu.net and relay1.fast.net.uk.

mail.blueu.net shares the same mail server setup as other domains, for instance blueu.net.

mail.blueu.net shares some mail servers with other domains, at least partially, for instance flickthru.co.uk, mediatree.co.uk, newhavenchamber.co.uk, al-anonuk.net and incom-solutions.com.

these mail servers are often used with mailhost.fast.net.uk, mailfilter.fast.net.uk, node30.fast.net.uk and mail.fast.net.uk.

Two IP numbers for a host: relay1.fast.net.uk points to 212.42.162.19 and 212.42.162.64.

One IP number for a host: blueu.net points to 212.42.180.237.

mail.blueu.net - robtex.com

mail.blueu.net

blueu.net