Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ncasltd.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 16:35:34 UTC · ↺ Refresh
MX Hostnames
- mail.ncasltd.co.uk
MX Priorities
- mail.ncasltd.co.uk: 10
A / AAAA Records
- 149.255.58.60 ↩ cloud317.thundercloud.uk
Mail Server IPs
- 149.255.58.60 ↩ cloud317.thundercloud.uk
SOA Record
Raw SOA
ns0.thundercloud.uk dave.ncasltd.co.uk 2026033001 3600 1800 1209600 3600
Primary NS (mname)
ns0.thundercloud.uk
Admin Email (rname)
dave@ncasltd.co.uk
Serial
2026033001
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns0.thundercloud.uk
ns1.thundercloud.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:relay.thundermail.uk ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
3 records- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGX4ZR1nAXKHnP/akYS881YFsJNGqRCveGWbCA5nWLOSX6WYoMExhTolZMZa1z/ZSuVyuP8t4Uv289/qQoHyEFPwsxA/OITYg7igFwff6m0HUa9+alNSctNcCQu3QZxXdjQKqLuCAOO+TA4RJOReM1rbyYNA12MIN6k3PX4KWF0QIDAQAB
- SPFv=spf1 +a +mx include:relay.thundermail.uk ~all
- SPFv=spf1 include:spf.mailjet.com +a +mx include:relay.thundermail.uk ~all
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