sundubai.net

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sundubai.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-06 12:51:06 UTC · ↺ Refresh

MX Hostnames

  • sundubai-net.mail.protection.outlook.com

MX Priorities

  • sundubai-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 92.204.220.57 ↩ 57.220.204.92.host.secureserver.net

Mail Server IPs

  • 52.101.148.13 ↩ mail-dx2p273cu00205.inbound.protection.outlook.com
  • 52.101.148.3 ↩ mail-dx3p273cu00103.inbound.protection.outlook.com
  • 52.101.148.1 ↩ mail-dx1p273cu00301.inbound.protection.outlook.com
  • 52.101.147.1 ↩ mail-au1p273cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc30::1 ↩ mail-dx3p273cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc30::3 ↩ mail-dx2p273cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:cc2f:: ↩ mail-au1p273cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc30:: ↩ mail-dx1p273cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.turbify.com webmaster.turbify.com 2025103108 3600 1800 1209600 86400
Primary NS (mname)
ns1.turbify.com
Admin Email (rname)
webmaster@turbify.com
Serial
2025103108
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.turbify.com
ns1.turbify.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=070CB7FA16E73BB9DCB5039877731A6907FBB3F5
  • google-site-verification=RvLcUrZM7IdRdL-WdCtojkJ5uZHd_AdlYQbseViD2Qc
  • MS=ms90745705
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 sundubai.net

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits