Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preludecapital.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:05:11 UTC · ↺ Refresh
MX Hostnames
- preludecapital-com.mx2.arsmtp.com
- preludecapital-com.mx1.arsmtp.com
MX Priorities
- preludecapital-com.mx2.arsmtp.com: 20
- preludecapital-com.mx1.arsmtp.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 8.19.118.51 ↩ server283.appriver.com
- 8.31.233.134 ↩ server282.appriver.com
SOA Record
Raw SOA
ns15.domaincontrol.com dns.jomax.net 2026012600 28800 7200 604800 600
Primary NS (mname)
ns15.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns16.domaincontrol.com
ns15.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
4 records- atlassian-domain-verification=g4qKfyYivdY5GWUodUqQzjS7a5xCV4Ory1iP85yfJaUaUmrmJ7t9TgHwgmpWza4E
- SPFv=spf1 include:spf.protection.outlook.com -all
- anthropic-domain-verification-k4aqvc=PGQCUYux0UAwSN4dsAXFiOva9
- openai-domain-verification=dv-dgyNdxNnrQaCpf8IKHgq932c
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for preludecapital.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits