Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dio.me
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 01:08:11 UTC · ↺ Refresh
MX Hostnames
- dio-me.mail.protection.outlook.com
MX Priorities
- dio-me.mail.protection.outlook.com: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
drew.ns.cloudflare.com dns.cloudflare.com 2397967665 10000 2400 604800 1800
Primary NS (mname)
drew.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397967665
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tegan.ns.cloudflare.com
drew.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.elasticemail.com include:email-messaging.com include:emsd1.com ip4:192.99.26.111 ip4:51.222.89.213 ip4:178.33.84.70 ip4:176.31.7.124 ip4:162.254.227.170 ip4:51.178.153.240 include:spf.mailjet.com include:mxsspf.sendpulse.com a mx -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
11 records- google-site-verification=GzZ8vX21EC_X-5xLdRKH2cZxqduBHweMdYZwtMY7EV0
- google-site-verification=YAIo365VMv3Qk3-IhSgctAbHDiK7wJ0qhK9BMPlGzwg
- google-site-verification=y_eWhhiCLXKsxC_aktymEFsNQA8iHuLtiROHmdSCPsQ
- google-site-verification=z7XdjdQ09FU3C5_mL70M0_IBas4he1ya-US_cnUzCA4
- mandrill_verify.wR0Prh-KxKtrd2wqxX2hzw
- mx.email-messaging.com
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.elasticemail.com include:email-messaging.com include:emsd1.com ip4:192.99.26.111 ip4:51.222.89.213 ip4:178.33.84.70 ip4:176.31.7.124 ip4:162.254.227.170 ip4:51.178.153.240 include:spf.mailjet.com include:mxsspf.sendpulse.com a mx -all
- MS=ms38347962
- facebook-domain-verification=nlcew5img76hzcu9jcis783p8pzo4q
- google-site-verification=5TI79Oes12i8ZTgg5RABkSlWTPFmk2zYpUaAi6ZnhLw
- google-site-verification=G-EdCgR_X4OvATM_6oZQSeJaQ8RKUqhfEaLgatTKhbc
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 dio.me
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits