Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rdespas.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 15:01:59 UTC · ↺ Refresh
MX Hostnames
- rdespas-com.mail.protection.outlook.com
MX Priorities
- rdespas-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.50.219 (no PTR)
- 172.67.211.10 (no PTR)
- 2606:4700:3037::ac43:d30a
- 2606:4700:3034::6815:32db
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ara.ns.cloudflare.com dns.cloudflare.com 2397058048 10000 2400 604800 1800
Primary NS (mname)
ara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397058048
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ara.ns.cloudflare.com
plato.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:_spf.cloudmore.com -all
📊 DNS lookups: 3/10
✓ 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
✓ 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- MS=ms69769667
- mailerlite-domain-verification=0882d1035320c700d955a8317c377354df4bb6ef
- SPFv=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:_spf.cloudmore.com -all
- MS=ms68632452
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 rdespas.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
Get 1,000 Free Credits