Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
quantatec.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 17:21:50 UTC · ↺ Refresh
MX Hostnames
- mx.stackmail.com
MX Priorities
- mx.stackmail.com: 10
A / AAAA Records
- 82.165.5.140 ↩ ip82-165-5-140.pbiaas.com
Mail Server IPs
- 185.151.28.67 ↩ mx.stackmail.com
SOA Record
Raw SOA
ns1.stackdns.com hostmaster.stackdns.com 1746026621 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1746026621
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.stackdns.com
ns3.stackdns.com
ns2.stackdns.com
ns4.stackdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.stackmail.com a mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.stackmail.com a mx -all
- twilio-domain-verification=dd3a20fd4767446810c442c28547f393
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