Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lucky13strategies.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 16:14:07 UTC · ↺ Refresh
MX Hostnames
- mail.lucky13strategies.com
MX Priorities
- mail.lucky13strategies.com: 0
A / AAAA Records
- 104.21.58.61 (no PTR)
- 172.67.168.10 (no PTR)
- 2606:4700:3035::6815:3a3d (no PTR)
- 2606:4700:3031::ac43:a80a (no PTR)
Mail Server IPs
- 50.87.198.137 ↩ 50-87-198-137.unifiedlayer.com
SOA Record
Raw SOA
amanda.ns.cloudflare.com dns.cloudflare.com 2398576073 10000 2400 604800 1800
Primary NS (mname)
amanda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398576073
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
amanda.ns.cloudflare.com
igor.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:websitewelcome.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:websitewelcome.com -all
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 · Customize →
See demo & docs
Deep verification
Full email verification for lucky13strategies.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits