CF1763502958453-tsm20251116095642

WWW.RTSAK.COM - phd.co.uk

Search for IP or hostnames:

phd.co.uk checked at 2025-11-18T21:55:58.235Z 1674ms 103/103/103 100% R:11 allDone:true timedOut:false

phd.co.uk

NSpdns82.ultradns.biz
A2610:a1:1015::76 🇺🇸 Neustar
PTRpdns82.ultradns.biz
A156.154.66.82🇺🇸 Neustar
PTRpdns82.ultradns.biz
NSpdns82.ultradns.com
A2001:502:f3ff::76 🇺🇸 Neustar
PTRpdns82.ultradns.com
A156.154.64.82🇺🇸 Neustar
PTRpdns82.ultradns.com
NSpdns82.ultradns.net
A2610:a1:1014::76 🇺🇸 Neustar
PTRpdns82.ultradns.net
A156.154.65.82🇺🇸 Neustar
PTRpdns82.ultradns.net
NSpdns82.ultradns.org
A2001:502:4612::76 🇺🇸 Neustar
PTRpdns82.ultradns.org
A156.154.67.82🇺🇸 Neustar
PTRpdns82.ultradns.org
MXphd-co-uk.mail.protection.outlook.com
A52.101.8.44🇺🇸 Microsoft
PTRmail-dm5pr04cu00104.inbound.protection.outlook.com
A52.101.9.2🇺🇸 Microsoft
PTRmail-mn2pr02cu00202.inbound.protection.outlook.com
A52.101.42.4🇺🇸 Microsoft
PTRmail-co1pr03cu00104.inbound.protection.outlook.com
A52.101.194.3🇺🇸 Microsoft
PTRmail-ch1pr04cu00103.inbound.protection.outlook.com
A204.74.99.100🇺🇸 Neustar
PTRcrs.ultradns.net

co.uk

NSdns1.nic.uk
NSdns2.nic.uk
NSdns3.nic.uk
NSdns4.nic.uk
NSnsa.nic.uk
NSnsb.nic.uk
NSnsc.nic.uk
NSnsd.nic.uk
rank #172010 globally
rank #3994 in the tld

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Starts with same word

Starts similarily

AI analysis

phd.co.uk is the parent of phd-mime.phd.co.uk and phd-smtp.phd.co.uk.

phd.co.uk points to an IP address: 204.74.99.100.

other host names include myscm.org, scratchtowin.fr, vinsolutions.us, theriversidecompany.com.sg and fastandfuriouscrossroads.com; they share IP numbers with phd.co.uk.

phd.co.uk delegates to four name servers: pdns82.ultradns.biz, pdns82.ultradns.com, pdns82.ultradns.net and pdns82.ultradns.org.

phd.co.uk at least partially shares name servers with other domains, for instance cosine.ie, ketchuminc.com, ddbtribal.ch, gpc.ca and bnsf.biz.

These name servers are commonly used with ns3.ultradns2.com and ns3.ultradns2.org.

Host names with two IP numbers: pdns82.ultradns.biz points to 2610:a1:1015::76 and 156.154.66.82; pdns82.ultradns.com points to 2001:502:f3ff::76 and 156.154.64.82; pdns82.ultradns.net points to 2610:a1:1014::76 and 156.154.65.82; pdns82.ultradns.org points to 2001:502:4612::76 and 156.154.67.82.

phd.co.uk is handled by a single mail server, phd-co-uk.mail.protection.outlook.com.

Host phd-co-uk.mail.protection.outlook.com points to four IP numbers: 52.101.8.44, 52.101.9.2, 52.101.42.4 and 52.101.194.3.

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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