sb.gob.do

Valid Email Server
Live data โ€” DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: โšก live Checker: โšก live
sb.gob.do
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-05-21 10:52:33 UTC ยท โ†บ Refresh

MX Hostnames

  • sb-gob-do.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 192.124.249.70

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns3-38.azure-dns.org
ns4-38.azure-dns.info
ns1-38.azure-dns.com
ns2-38.azure-dns.net

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:45.169.193.176 ip4:190.167.198.247 ip4:190.167.198.254 ip4:190.167.198.245 ip4:3.214.204.181 ip4:167.89.96.71 ip4:44.211.178.112/28 ip4:3.101.216.144/28 mx a:mail.sb.gob.do a:mail1.sb.gob.do include:spf-us.emailsignatures365.com include:_spf.psm.knowbe4.com include:_spf.xcustomer360app.com include:spf.protection.outlook.com -all include:sendgrid.net -all
๐Ÿ“Š DNS lookups: 8/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ 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
  • postman-domain-verification=6faaab7359b5ee954a6473c1053da1b47ac36bed0ac6bf53826647a8fbb80571892114deea8a519bc630724637f0fdc8473ff4e23460da0f4f0982a1e245ab58
  • SPFv=spf1 ip4:45.169.193.176 ip4:190.167.198.247 ip4:190.167.198.254 ip4:190.167.198.245 ip4:3.214.204.181 ip4:167.89.96.71 ip4:44.211.178.112/28 ip4:3.101.216.144/28 mx a:mail.sb.gob.do a:mail1.sb.gob.do include:spf-us.emailsignatures365.com include:_spf.psm.knowbe4.com include:_spf.xcustomer360app.com include:spf.protection.outlook.com -all include:sendgrid.net -all
  • D3xYH/ibDjGZElurxmIDa8C1esG6DooIYDzLVK4tvNI=
  • MS=B2E41E7FD58FC1C1E4A4900818F534DBAC3419C6
  • MS=ms53474551
  • knowbe4-site-verification=a4d406422cabb08c8d9cf1dd181477e4
  • google-site-verification=0JZheLDifJJOW0Z42KY7m08ClQUbIHM-MSHLl-ajz0s
  • cisco-ci-domain-verification=2e0f6d41b537997ac668b6248734b60b845b7e028bf998a1308cc7582607d42
  • apple-domain-verification=O9DnUlI0AlW7EMQk
  • co7t47opli2kmii8e3kll1m9r8
  • kmt1ed8pfmq4a25kir0l55thpm
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for sb.gob.do

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

No credit card required
Get 1,000 Free Credits