Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
passporthealthco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 08:18:41 UTC · ↺ Refresh
MX Hostnames
- passporthealthco-com.p10.spamhero.com
- passporthealthco-com.p20.spamhero.net
- passporthealthco-com.p40.spamhero.net
- passporthealthco-com.p30.spamhero.net
MX Priorities
- passporthealthco-com.p20.spamhero.net: 20
- passporthealthco-com.p30.spamhero.net: 30
- passporthealthco-com.p40.spamhero.net: 40
- passporthealthco-com.p10.spamhero.com: 10
A / AAAA Records
- 3.94.74.213 ↩ ec2-3-94-74-213.compute-1.amazonaws.com
- 100.49.215.101 ↩ ec2-100-49-215-101.compute-1.amazonaws.com
- 98.95.170.15 ↩ ec2-98-95-170-15.compute-1.amazonaws.com
Mail Server IPs
- 209.41.68.180 ↩ bolt103b.mxthunder.net
- 108.166.161.245 ↩ bolt103a.mxthunder.net
SOA Record
Raw SOA
ns-1458.awsdns-54.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1458.awsdns-54.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1458.awsdns-54.org
ns-1602.awsdns-08.co.uk
ns-362.awsdns-45.com
ns-845.awsdns-41.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:162.221.95.116 include:spf.protection.outlook.com include:spf.spamhero.com include:_spf.paubox.com include:_efaxspf.passporthealthusa.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=50;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only
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
3 records- SPFv=spf1 a mx ip4:162.221.95.116 include:spf.protection.outlook.com include:spf.spamhero.com include:_spf.paubox.com include:_efaxspf.passporthealthusa.com -all
- MS=ms67654569
- google-site-verification=NROMJqGzXCv56sIKim_I3FKKqrlisXoLVVL7dweUZMY
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