Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tch.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:34:20 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
- 51.104.28.65 (no PTR)
Mail Server IPs
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.namecity.com hostmaster.namecity.com 2026020401 43200 1800 2419200 3600
Primary NS (mname)
ns1.namecity.com
Admin Email (rname)
hostmaster@namecity.com
Serial
2026020401
Refresh
43200s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns2.namecity.com
ns1.namecity.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.mandrillapp.com include:eu._netblocks.mimecast.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- duo_sso_verification=MmGrzYNPj7cga4TiFeO5717v88lkU4X7kwdnBXvO05BYpCKz83xFKUUGqNpY4ogO
- zoho-verification=zb76808298.zmverify.zoho.uk
- SPFv=spf1 mx a include:spf.mandrillapp.com include:eu._netblocks.mimecast.com -all
Full email verification for tch.co.uk
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