Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heatsiphon.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 00:54:37 UTC · ↺ Refresh
MX Hostnames
- as.amixa.com
MX Priorities
- as.amixa.com: 10
A / AAAA Records
- 67.43.109.153 ↩ 153-109-43-67-ftth.wpa.net
Mail Server IPs
- 67.43.109.155 ↩ 155-109-43-67-ftth.wpa.net
SOA Record
Raw SOA
dns3.cloudns.net support.cloudns.net 2026032601 7200 1800 1209600 3600
Primary NS (mname)
dns3.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026032601
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns3.cloudns.net
dns4.cloudns.net
dns7.cloudns.net
dns8.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:75.151.237.123/23 ip4:67.43.103.23/23 ip4:67.43.103.5/23 a:mail.amixa.com a:barracuda.amixa.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a ip4:75.151.237.123/23 ip4:67.43.103.23/23 ip4:67.43.103.5/23 a:mail.amixa.com a:barracuda.amixa.com -all
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