CF1763896134843-tsm20251123014954

WWW.RTSAK.COM - firstmark.co.uk

Search for IP or hostnames:

firstmark.co.uk checked at 2025-11-23T11:08:54.822Z 417ms 64/64/64 100% R:16 allDone:true timedOut:false

AI analysis

The parent of mail.firstmark.co.uk is firstmark.co.uk.

Two name servers ns0.uk.colt.net and ns1.uk.colt.net handle the delegation for firstmark.co.uk.

firstmark.co.uk shares the same name server setup as other domains, for example peelhunt.com, coltdcshamburg.com, datalexuk.com, mccannfitzgerald.be and gad.gov.uk.

firstmark.co.uk at least partially shares name servers with other domains, for example dal.biz, mufgsecurities.com, mufgsecurities.eu, rantzau.info and rantzau.de.

Host names with one IP number:

ns0.uk.colt.net points to 212.74.77.33; ns1.uk.colt.net points to 212.74.78.33.

Two mail servers handle firstmark.co.uk: mx.colt.net and mail.firstmark.co.uk.

firstmark.co.uk shares at least partially some mail servers with other domains, for instance coltintermail.de, iso-press.be, rs-software.info, sph-netcom.de and lasso.de.

these mail servers are often used together with smtp.coltintermail.com, mailto.buhl-data.com, mx00.schlund.de and mail.hpopkunden.de.

Host names with one IP number:

mx.colt.net points to 212.74.77.109; mail.firstmark.co.uk points to 194.154.214.2.

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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