CLIENT HUB
Network tools
Free tools to check DNS, domains, email security, blacklists, SSL certificates, open ports and connections. The same checks our engineers use every day.
TOOLS
Pick a tool
What is my IP?
See your public IP address and its hostname.
DNS lookup
See A, MX, TXT, NS and other records for any domain, or reverse DNS for an IP.
WHOIS lookup
Registrar, expiry date and nameservers for a domain, or the owner of an IP range.
Email health check
Check MX, SPF, DKIM and DMARC in one go, with plain-English fixes.
Blacklist check
See if your mail server is on Spamhaus, Barracuda, SpamCop and other blacklists.
SSL checker
Check who issued a certificate, when it expires and whether it’s trusted.
Open port checker
See if a port such as 443 or 3389 is open on your own connection.
Connection test
Check a server or connection is reachable from our network, and how fast.
Found a problem you’re not sure how to fix? Call 0161 660 7471 or get in touch and we’ll take a look.
FREE IT REVIEW
Want us to keep an eye on all of this for you?
Tell us a little about your business and we'll come back within one working day to arrange a review, on site or over Teams. No hard sell, just a clear picture of where your IT stands.
Prefer to talk? Call 0161 660 7471 or email hello@posilan.com