CF1763010278856-tsm20251109205412

WWW.RTSAK.COM - jrsystems.co.uk

Search for IP or hostnames:

jrsystems.co.uk checked at 2025-11-13T05:04:38.837Z 193ms 100/100/100 100% R:16 allDone:true timedOut:false

jrsystems.co.uk

MXmail.protonmail.ch
A176.119.200.128🇨🇭 PROTON
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 PROTON
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 PROTON
PTRmail.protonmail.ch
MXmailsec.protonmail.ch
A176.119.200.129🇨🇭 PROTON
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 PROTON
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 PROTON
PTRmailsec.protonmail.ch
NSns1.digitalocean.com
A2606:4700:52::ac40:34d2 🇺🇸 Cloudflare
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515 🇺🇸 Cloudflare
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1 🇺🇸 Cloudflare
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare
PTRns3.digitalocean.com
A46.101.67.28🇬🇧 DIGITALOCEAN

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

Starts with same word

Starts similarily

AI analysis

jrsystems.co.uk resolves to one IP number: 46.101.67.28.

jrsystems.co.uk is delegated to three name servers ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

jrsystems.co.uk at least partially shares name servers with other domains, for instance sn.im, 1.0.0.6.5.6.d.0.0.0.0.0.0.0.0.0.0.d.0.0.2.0.0.0.0.c.0.b.3.0.a.2.ip6.arpa, nam.az, spotbias.com and ksepiyas.com.

Host names with two IP numbers:

ns1.digitalocean.com points to: 2606:4700:52::ac40:34d2 and 172.64.52.210.

ns2.digitalocean.com points to: 2606:4700:5a::ac40:3515 and 172.64.53.21.

ns3.digitalocean.com points to: 2606:4700:52::ac40:31d1 and 172.64.49.209.

Two mail servers handle jrsystems.co.uk: mail.protonmail.ch and mailsec.protonmail.ch.

jrsystems.co.uk shares the same mail server setup as other domains, for instance yuris.moe, pettitservers.com, llewell.net, h4k.com and dako-consulting.com.

jrsystems.co.uk shares some mail servers with other domains, at least partially, for instance karinwalzel.at, dwpd.net, csgo2.net, daveyduarte.com and millett.net.

Host names with three IPs:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128.

mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

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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