Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caliston.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 12:30:31 UTC · ↺ Refresh
MX Hostnames
- mail.caliston.co.uk
MX Priorities
- mail.caliston.co.uk: 10
A / AAAA Records
- 104.21.71.148 (no PTR)
- 172.67.170.180 (no PTR)
- 2606:4700:3036::6815:4794 (no PTR)
- 2606:4700:3032::ac43:aab4 (no PTR)
Mail Server IPs
- 46.4.82.206 ↩ nebun.social-media.co.uk
SOA Record
Raw SOA
meera.ns.cloudflare.com dns.cloudflare.com 2399402993 10000 2400 604800 1800
Primary NS (mname)
meera.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399402993
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
meera.ns.cloudflare.com
peyton.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:46.4.82.206 ip4:78.129.229.15 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:46.4.82.206 ip4:78.129.229.15 -all
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