Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
t-three.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 08:34:18 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-2.mimecast.com
- eu-smtp-inbound-1.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 79.170.40.4 ↩ webforwards.extendcp.co.uk
Mail Server IPs
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns15.domaincontrol.com dns.jomax.net 2026012802 28800 7200 604800 600
Primary NS (mname)
ns15.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012802
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns16.domaincontrol.com
ns15.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.uk.signature365.net include:1870680.spf10.hubspotemail.net include:fdspfus.freshemail.io include:fdspfeuc.freshemail.io include:mandrillapp.com ip4:167.98.56.64/27 ip4:167.98.57.75 ip4:80.6.91.150 -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- apple-domain-verification=AZB9yYLdOSqMMF4L
- MS=ms31541254
- MS=ms45591606
- 0ed1fe018a290bc500ba7d4c04ab5a6cbe58a8cb24
- SPFv=spf1 mx a include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.uk.signature365.net include:1870680.spf10.hubspotemail.net include:fdspfus.freshemail.io include:fdspfeuc.freshemail.io include:mandrillapp.com ip4:167.98.56.64/27 ip4:167.98.57.75 ip4:80.6.91.150 -all
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