Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a1orange.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 04:00:49 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: 20
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (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
elias.ns.cloudflare.com dns.cloudflare.com 2398470398 10000 2400 604800 1800
Primary NS (mname)
elias.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398470398
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elias.ns.cloudflare.com
meadow.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:_spf.pestpac.com include:reflexion.net include:spf.constantcontact.com include:amazonses.com include:servers.mcsv.net include:aspmx.pardot.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
8 records- pardot1000221=9dba4e34c1dafeb118bde5e508340b6d28e8d78b997b166882611978c321ac54
- sending_domain1000221=a695451fea1309297443973e8247ddfb05fd283305ec059bb529c31a85e310db
- sending_domain1076282=ff9727f17141941faaf583abf68e8c3c7e8c968ec47a49d4a40e654b31bf3d0a
- SPFv=spf1 mx a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:_spf.pestpac.com include:reflexion.net include:spf.constantcontact.com include:amazonses.com include:servers.mcsv.net include:aspmx.pardot.com -all
- MS=ms77067198
- google-site-verification=-wBVZhH5JNi6Y9ah7Vm5JrT4hC6MgXi-S-54DBcokSw
- google-site-verification=iV-P6dkyMQbkRj_12pltQLDHDu5ZCTp0kDrnb-MfSdk
- knowbe4-site-verification=55ff73a7fe14986d3703942a1486bb46
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 a1orange.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits