CF1761016146293-tsm20251017082432

DNSWHOIS.INFO - smtp.tcrelay.net

Search for IP or hostnames:

smtp.tcrelay.net checked at 2025-10-21T03:09:06.275Z 278ms 38/38/38 100% R:16

smtp.tcrelay.net

A62.172.48.248🇬🇧 BTnet (BT's UK IP Network - AS2856)
PTRhubrelay-rd.bt.com
A212.140.88.215🇬🇧 BTnet (BT's UK IP Network - AS2856)
PTRhubrelay-rd.bt.com
A217.32.182.70🇬🇧 BTnet (BT's UK IP Network - AS2856)
PTRhubrelay-rd.bt.com

tcrelay.net

NSns0.bt.net
NSns1.bt.net
NSns2.bt.net
MXsmtp.tcrelay.net

MX for

Starts with same word

Starts similarily

AI analysis

smtp.tcrelay.net serves as the mail server for cnelab.bt.co.uk, hp.bt.co.uk, rio.bt.com, selfcare.bt.com, ip.bt.co.uk and a few other domains.

smtp.intra.bt.com is commonly used as a mail server alongside smtp.tcrelay.net.

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

Other host names, for example hubrelay-rd.bt.com, share IP numbers with smtp.tcrelay.net.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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