Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ucmmanufacturing.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 04:45:57 UTC · ↺ Refresh
MX Hostnames
- uk-esec-02.heimdalsecurity.com
- uk-esec-01.heimdalsecurity.com
MX Priorities
- uk-esec-01.heimdalsecurity.com: 5
- uk-esec-02.heimdalsecurity.com: 10
A / AAAA Records
- 80.87.128.132 ↩ havnet.positive-dedicated.net
Mail Server IPs
- 172.166.114.49 ↩ uk-esec-01.heimdalsecurity.com
- 172.166.114.48 ↩ uk-esec-01.heimdalsecurity.com
SOA Record
Raw SOA
ns0.phase8.net support.phase8.net 2025080601 28800 3600 604800 86400
Primary NS (mname)
ns0.phase8.net
Admin Email (rname)
support@phase8.net
Serial
2025080601
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.phase8.net
ns0.phase8.net
ns2.phase8.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf-esec-uk.heimdalsecurity.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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-esec-uk.heimdalsecurity.com include:spf.ess.barracudanetworks.com -all
- MS=ms81630418
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