Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simpsoncre.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:13:35 UTC · ↺ Refresh
MX Hostnames
- simpsoncre-com.inbound.emailservice.co
- simpsoncre-com.inbound.emailservice.cc
- simpsoncre-com.inbound.emailservice.io
MX Priorities
- simpsoncre-com.inbound.emailservice.io: 10
- simpsoncre-com.inbound.emailservice.cc: 20
- simpsoncre-com.inbound.emailservice.co: 30
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
Mail Server IPs
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
- 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com
- 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
SOA Record
Raw SOA
ns29.domaincontrol.com dns.jomax.net 2025060302 86400 7200 3600000 86400
Primary NS (mname)
ns29.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025060302
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns30.domaincontrol.com
ns29.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.us.emailservice.io include:spf.constantcontact.com -all
📊 DNS lookups: 3/10
✓ 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
✓ 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 include:spf.protection.outlook.com include:spf.us.emailservice.io include:spf.constantcontact.com -all
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