Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calmaxconstruction.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 09:33:25 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 185.230.63.107 ↩ unalocated.63.wixsite.com
- 2a07:7800::183 (no PTR)
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
ns1.stackdns.com hostmaster.stackdns.com 1755121335 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1755121335
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.stackdns.com
ns2.stackdns.com
ns3.stackdns.com
ns4.stackdns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:217.67.58.148 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.stackmail.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];adkim=s;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
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
1 record- SPFv=spf1 ip4:217.67.58.148 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.stackmail.com ~all
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