Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
proalt.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 11:24:03 UTC · ↺ Refresh
MX Hostnames
- proalt-com.inbound.emailservice.co
- proalt-com.inbound.emailservice.io
- proalt-com.inbound.emailservice.cc
MX Priorities
- proalt-com.inbound.emailservice.co: 30
- proalt-com.inbound.emailservice.cc: 20
- proalt-com.inbound.emailservice.io: 10
A / AAAA Records
- 104.21.14.96 (no PTR)
Mail Server IPs
- 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
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
SOA Record
Raw SOA
ns3.worldnic.com namehost.worldnic.com 125111013 10800 3600 604800 3600
Primary NS (mname)
ns3.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125111013
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.worldnic.com
ns4.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 a:webmail.proalt.com include:spf.us.emailservice.io include:_spf.bullhornmail.com include:spf.protection.outlook.com include:outbound.smtp.wisestamp.net ip4:52.100.172.224 ip4:52.100.165.244 -all include:spf.bullhornmail.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;pct=100
⚠ p=none — monitoring only, no enforcement
📋 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
5 records- SPFv=spf1 a:webmail.proalt.com include:spf.us.emailservice.io include:_spf.bullhornmail.com include:spf.protection.outlook.com include:outbound.smtp.wisestamp.net ip4:52.100.172.224 ip4:52.100.165.244 -all include:spf.bullhornmail.com -all
- MS=ms36247996
- ca3-218184e56cd24c33b529d88861b0c71b
- ca3-557cb1238a9f4f84bdefc74019af2c81
- BucKtADxXc8QINjKHJPx2lBql9/tC04E3FGl96y5116R0CXu8lcqMGRcR8e0nLJSaHAEE6bCbTNJwsS/hqcL/g==
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