List of UK ISP DNS and mail server settings. & Free DNS Servers which can be used on any ISP Updated: December 9, 2018 AAISP DNS Servers email Servers 217.169.20.20 mail.your-domain or your- Incoming Mail (pop3) server 217.169.20.21 domain.mail.aaisp.net.uk 2001:8b0:2020:: Outgoing Mail (smtp) server smtp.aaisp.net.uk 2001:8b0:2021:: mail.your-domain or your- IMAP domain.mail.aaisp.net.uk AOL DNS Servers email Servers 64.12.51.132 Incoming Mail (pop3) server 149.174.221.8 Outgoing Mail (smtp) server smtp.aol.com 205.188.157.232 IMAP imap.aol.com 205.188.146.145 Be DNS Servers email Servers 87.194.255.154 Incoming Mail (pop3) server 87.194.255.155 Outgoing Mail (smtp) server IMAP Can also use 84.45.18.139 from IT@HOME BT DNS Servers email Servers 62.6.40.178 Incoming Mail (pop3) server mail.btinternet.com 62.6.40.162 Outgoing Mail (smtp) server mail.btinternet.com 194.72.9.38 IMAP 194.72.9.34 194.72.0.98 194.72.0.114 194.74.65.68 194.74.65.69 Bulldog DNS Servers email Servers 83.146.21.5 (south) Incoming Mail (pop3) server pop3.bulldogdsl.com 83.146.21.6 (south) Outgoing Mail (smtp) server smtp.bulldogdsl.com 212.158.248.5 (north IMAP 212.158.248.6 (north Claranet DNS Servers email Servers 195.8.69.7 Incoming Mail (pop3) server pop.clara.net 195.8.69.12 Outgoing Mail (smtp) server relay.clara.net IMAP Demon DNS Servers email Servers 158.152.1.58 Incoming Mail (pop3) server pop3.demon.co.uk 158.152.1.43 Outgoing Mail (smtp) server post.demon.co.uk IMAP Eclipse DNS Servers email Servers 212.104.130.9 Incoming Mail (pop3) server mail.eclipse.co.uk 212.104.130.65 Outgoing Mail (smtp) server smtp.eclipse.co.uk IMAP mail.eclipse.co.uk Entanet DNS Servers email Servers 195.74.102.146 Incoming Mail (pop3) server pop.enta.net 195.74.102.147 Outgoing Mail (smtp) server smtp.enta.net IMAP F2S DNS Servers email Servers 194.106.56.6 Incoming Mail (pop3) server inmail.f2s.com 194.106.33.42 Outgoing Mail (smtp) server outmail.f2s.com IMAP Fast DNS Servers email Servers 78.143.192.10 Incoming Mail (pop3) server 78.143.192.20 Outgoing Mail (smtp) server smtp.fast.co.uk IMAP IDNet DNS Servers email Servers 212.69.36.3 Incoming Mail (pop3) server 212.69.36.2 Outgoing Mail (smtp) server 212.69.40.2 IMAP Karoo DNS Servers email Servers 212.50.160.100 Incoming Mail (pop3) server popmail.karoo.co.uk 213.249.130.100 Outgoing Mail (smtp) server smtp.karoo.co.uk IMAP MadasaFish DNS Servers email Servers 80.189.94.2 Incoming Mail (pop3) server mail.madasafish.com 80.189.92.2 Outgoing Mail (smtp) server mail.madasafish.com IMAP Metronet DNS Servers email Servers 213.162.97.65 Incoming Mail (pop3) server 213.162.97.66 Outgoing Mail (smtp) server IMAP Mistral DNS Servers email Servers 195.184.228.6 Incoming Mail (pop3) server pop.mistral.net 195.184.228.7 Outgoing Mail (smtp) server smtp.mistral.net IMAP Namesco DNS Servers email Servers 195.7.224.57 Incoming Mail (pop3) server pop3.names.co.uk 195.7.224.143 Outgoing Mail (smtp) server smtp.namesco.net IMAP Newnet DNS Servers email Servers 212.87.64.10 Incoming Mail (pop3) server pop3.newnet.co.uk 212.87.64.11 Outgoing Mail (smtp) server post.newnet.co.uk IMAP Nildram DNS Servers email Servers 213.208.106.212 Incoming Mail (pop3) server pop3.nildram.co.uk 213.208.106.213 Outgoing Mail (smtp) server smtp.nildram.co.uk IMAP O2 DNS Servers email Servers 87.194.255.155 Incoming Mail (pop3) server mail.o2.co.uk 87.194.255.154 Outgoing Mail (smtp) server smtp.o2.co.uk IMAP Can also use 84.45.18.139 from IT@HOME Onetel DNS Servers email Servers Incoming Mail (pop3) server mail.onetel.net.uk 212.67.96.129 Outgoing Mail (smtp) server mail.onetel.net.uk 212.67.96.130 IMAP Orange DNS Servers email Servers 195.92.195.94 Incoming Mail (pop3) server pop.orange.net 195.92.195.95 Outgoing Mail (smtp) server smtp.orange.net IMAP Pipex DNS Servers email Servers 62.241.160.200 Incoming Mail (pop3) server pop.dsl.pipex.com 158.43.240.4 Outgoing Mail (smtp) server smtpauth.dsl.pipex.com 212.74.112.66 (TT) IMAP 212.74.112.67 (TT) PlusNet DNS Servers email Servers 212.159.13.49 Incoming Mail (pop3) server mail.plus.net 212.159.13.50 Outgoing Mail (smtp) server relay.plus.net 212.159.6.9 IMAP imap.plus.net 212.159.6.10 Post Office DNS Servers email Servers Incoming Mail (pop3) server pop3.mypostoffice.co.uk Outgoing Mail (smtp) server smtp.mypostoffice.co.uk IMAP SAQ DNS Servers email Servers 195.2.130.209 Incoming Mail (pop3) server mailsaq.net 195.2.156.67 Outgoing Mail (smtp) server smtp.saqnet.co.uk IMAP Sky DNS Servers email Servers 87.86.189.16 Incoming Mail (pop3) server pop.tools.sky.com 87.86.189.17 Outgoing Mail (smtp) server smtp.tools.sky.com 195.40.1.36 IMAP imap.tools.sky.com Supanet DNS Servers email Servers 213.40.66.126 Incoming Mail (pop3) server pop.supanet.com 213.40.130.126 Outgoing Mail (smtp) server smtp.supanet.com IMAP TalkTalk DNS Servers email Servers 62.24.199.13 Incoming Mail (pop3) server mail.talktalk.net 62.24.199.23 Outgoing Mail (smtp) server smtp.talktalk.net 62.24.128.18 IMAP 62.24.128.17 Tesco DNS Servers email Servers 194.168.4.100 Incoming Mail (pop3) server mail.tesco.net (port 110) 194.168.8.100 Outgoing Mail (smtp) server smtp.tesco.net IMAP mail.tesco.net (port 143) Tiscali DNS Servers email Servers 212.74.112.66 Incoming Mail (pop3) server pop.tiscali.co.uk 212.74.112.67 Outgoing Mail (smtp) server smtp.tiscali.co.uk 80.255.252.50 IMAP imap.tiscali.co.uk 80.255.252.58 Toucan DNS Servers email Servers Incoming Mail (pop3) server Outgoing Mail (smtp) server IMAP UKOnline DNS Servers email Servers 212.135.1.36 Incoming Mail (pop3) server pop3.ukonline.co.uk 195.40.1.36 Outgoing Mail (smtp) server smtp.ukonline.co.uk IMAP Utility Warehouse DNS Servers email Servers 62.24.128.17 Incoming Mail (pop3) server pop3.go-plus.net 62.24.128.18 Outgoing Mail (smtp) server smtp.go-plus.net IMAP Virgin Cable DNS Servers email Servers 194.168.4.100 Incoming Mail (pop3) server pop.virgin.net 194.168.8.100 Outgoing Mail (smtp) server smtp.virgin.net IMAP Virgin DSL DNS Servers email Servers 194.168.4.100 Incoming Mail (pop3) server pop.virgin.net 194.168.8.100 Outgoing Mail (smtp) server smtp.virgin.net IMAP Vispa DNS Servers email Servers 62.24.228.9 Incoming Mail (pop3) server mail.vispa.com 62.24.228.10 Outgoing Mail (smtp) server mail.vispa.com IMAP vodafone DNS Servers email Servers Incoming Mail (pop3) server pop3.vodafoneathome.co.uk Outgoing Mail (smtp) server smtp.vodafoneathome.co.uk IMAP imap.vodafoneathome.co.uk Zen DNS Servers email Servers 212.23.3.100 Incoming Mail (pop3) server mailhost.zen.co.uk 212.23.6.100 Outgoing Mail (smtp) server mailhost.zen.co.uk IMAP Free DNS Servers 156.154.70.1 DNS Advantage 156.154.71.1 208.67.220.220 OpenDNS 208.67.222.222 8.8.8.8 Google Public DNS 8.8.4.4 CloudFlare 1.1.1.1 encrypted DNS https://www.cloudflare.com/learning/dns/what-is-1.1.1.1/ DNS Benchmark Tool "Free Windows (and Linux/Wine) utility to determine the exact DNS Benchmark performance of local and remote DNS nameservers" from grc.com https://kitz.co.uk/isp/dns.htm .