Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sew.ai
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:30:43 UTC · ↺ Refresh
MX Hostnames
- mx1-us1.ppe-hosted.com
- mx2-us1.ppe-hosted.com
MX Priorities
- mx1-us1.ppe-hosted.com: 10
- mx2-us1.ppe-hosted.com: 10
A / AAAA Records
- 104.18.13.108 (no PTR)
- 104.18.12.108 (no PTR)
- 2606:4700::6812:d6c (no PTR)
- 2606:4700::6812:c6c (no PTR)
Mail Server IPs
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
SOA Record
Raw SOA
isaac.ns.cloudflare.com dns.cloudflare.com 2399791231 10000 2400 604800 1800
Primary NS (mname)
isaac.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399791231
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sara.ns.cloudflare.com
isaac.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com mx include:_spf.salesforce.com include:_spf.netsuite.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- ppe-a681e9c89fcaa39ed964927546e3c770fddd3696
- SPFv=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com mx include:_spf.salesforce.com include:_spf.netsuite.com -all
- MS=ms11137548
- apple-domain-verification=E1pFdTiBgYggWZRt
- atlassian-domain-verification=UPFssyB7OTa9xCNXEYb9LcWxkSsKqlI6FWF/v65LcwQ/9cOUwyEbTQ1MnW7dLZym
- google-site-verification=15rqCtXeYxmkU4qVLhXaz3IkhL-T_K-3LiQz5engoH0
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 sew.ai
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits