WWW.RTSAK.COM - tcrelay.net

Search for IP or hostnames:

tcrelay.net checked at 2025-09-25T23:18:15.303Z 1033ms 72/72/72 100% R:13

`tcrelay.net`

NS	`ns0.bt.net`
		A	217.35.209.188^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`ns0.bt.net`
NS	`ns1.bt.net`
		A	217.32.105.91^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`indnss01.bt.net`
			PTR	`ns1.bt.net`
			PTR	`indnss01.ukcore.bt.net`
NS	`ns2.bt.net`
		A	217.32.105.90^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`indnss02.bt.net`
			PTR	`ns2.bt.net`
			PTR	`indnss02.ukcore.bt.net`
MX	`smtp.tcrelay.net`
		A	62.172.48.248^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`hubrelay-rd.bt.com`
		A	212.140.88.215^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`hubrelay-rd.bt.com`
		A	217.32.182.70^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`hubrelay-rd.bt.com`

`net`

	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`

Up

smtp.tcrelay.net

smtp1.tcrelay.net

mail.tcrelay.net

Starts with same word

tcrelay.net

Starts similarily

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AI analysis

The parent of smtp.tcrelay.net, smtp1.tcrelay.net and mail.tcrelay.net is tcrelay.net.

tcrelay.net is delegated to three name servers ns0.bt.net, ns1.bt.net and ns2.bt.net.

tcrelay.net at least partially shares name servers with other domains, for instance lifefinancialservices.co.uk, 158.109.in-addr.arpa, 172.140.212.in-addr.arpa, 174.122.213.in-addr.arpa and telehouse.bt.net.

Host names with one IP:

ns0.bt.net points to 217.35.209.188; ns1.bt.net points to 217.32.105.91; ns2.bt.net points to 217.32.105.90.

tcrelay.net is handled by a single mail server, smtp.tcrelay.net.

tcrelay.net uses the same mail server setup as other domains, for instance officeapp.bt.com, hermes.bt.co.uk, prdbounce.bt.com, openreach.office.bt.com and cnr.bt.com.

tcrelay.net shares at least some mail servers with other domains, for instance b29net.bt.co.uk.

these mail servers are commonly used together with smtp.intra.bt.com.

smtp.tcrelay.net points to three IP numbers: 62.172.48.248, 212.140.88.215 and 217.32.182.70.

dbq