Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
capital-structure.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 03:57:04 UTC · ↺ Refresh
MX Hostnames
- mxb-001c1a01.gslb.pphosted.com
- mxa-001c1a01.gslb.pphosted.com
MX Priorities
- mxb-001c1a01.gslb.pphosted.com: 10
- mxa-001c1a01.gslb.pphosted.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 205.220.164.252 ↩ mx0a-001c1a01.pphosted.com
- 205.220.176.252 ↩ mx0b-001c1a01.pphosted.com
SOA Record
Raw SOA
ns-705.awsdns-24.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-705.awsdns-24.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-355.awsdns-44.com
ns-705.awsdns-24.net
ns-1201.awsdns-22.org
ns-1706.awsdns-21.co.uk
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:185.28.196.98 ip4:94.236.119.41 ip4:168.245.36.195 include:spf-001c1a01.pphosted.com include:spf.serverdata.net include:amazonses.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms72868330
- ZOOM_verify_0kzTKDkVTKKoR8s7WDCYKQ
- amazonses:myBcAE8T8RVAStn4bnfW4IDibP7wWepsjr/dGhBFvag=
- SPFv=spf1 mx a ip4:185.28.196.98 ip4:94.236.119.41 ip4:168.245.36.195 include:spf-001c1a01.pphosted.com include:spf.serverdata.net include:amazonses.com -all
- 0OUMue/5UM4trqBz4omARTAdNYYBTPD3t5ZEaBnj7yiZYkZkz07LWnMmUL8CQyBUsu8x5mFs3E3UrLjQ9WAflA==
Full email verification for capital-structure.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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