CLIENT HUB
Network tools
Free tools to check DNS, domains, email security, blacklists, SSL certificates, open ports and connections, and to look up MAC addresses. 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.
Password breach checker
See if a password has appeared in a known data breach, privately in your browser.
Email header analyser
Trace where an email came from and check SPF, DKIM, DMARC and phishing signs.
SPF and DMARC generator
Create SPF and DMARC records for your domain, ready to copy into your DNS.
Cyber security check
Answer 10 quick questions to get your security score and a free personalised report.
Phishing test
Can you spot a fake email? Test yourself on 10 realistic examples.
Business broadband checker
See which broadband services are available at your business address, with estimated speeds and prices.
MAC address lookup
Find the manufacturer and likely device type behind any MAC address.
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