Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
intro-uk.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 22:19:41 UTC · ↺ Refresh
MX Hostnames
- phil.kaizenit.co.uk
- grant.kaizenit.co.uk
MX Priorities
- grant.kaizenit.co.uk: 10
- phil.kaizenit.co.uk: 10
A / AAAA Records
- 104.21.1.169 (no PTR)
- 172.67.129.166 (no PTR)
- 2606:4700:3031::ac43:81a6 (no PTR)
- 2606:4700:3030::6815:1a9 (no PTR)
Mail Server IPs
- 52.211.69.214 ↩ smtp-ms2.kaizenit.co.uk
- 52.210.182.148 ↩ smtp-ms1.kaizenit.co.uk
SOA Record
Raw SOA
ada.ns.cloudflare.com dns.cloudflare.com 2398577597 10000 2400 604800 1800
Primary NS (mname)
ada.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398577597
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
isaac.ns.cloudflare.com
ada.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:paprika-worldwide.com include:mandrillapp.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:paprika-worldwide.com include:mandrillapp.com -all
- yjv8os+/h848sArl+oEKKWKPMWzhkJ6YGpq7IwRmYanpBzFIyyJvz95DDY4MiH+rsuO9sMpDENZuf8wldJyWXA==
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