sanbartolo.edu.co

Valid Email Server
Domain Lookup › sanbartolo.edu.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sanbartolo.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 13:19:55 UTC · ↺ Refresh

MX Hostnames

  • sanbartolo-edu-co.mail.protection.outlook.com

MX Priorities

  • sanbartolo-edu-co.mail.protection.outlook.com: 10

A / AAAA Records

  • 76.74.150.120 ↩ serverweb.sanbartolo.edu.co

Mail Server IPs

  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA sion2.hostingred.net logistica.hostingred.net 2026031200 3600 3600 604800 3600
Primary NS (mname)
sion2.hostingred.net
Admin Email (rname)
logistica@hostingred.net
Serial
2026031200
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

sion1.hostingred.net
sion2.hostingred.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:54.83.95.170 ip4:23.83.217.34 include:spf.protection.outlook.com include:netblocks.dreamhost.com include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=ms14297102
  • SPFv=spf1 ip4:54.83.95.170 ip4:23.83.217.34 include:spf.protection.outlook.com include:netblocks.dreamhost.com include:relay.mailchannels.net -all
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 sanbartolo.edu.co

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

No credit card required
Get 1,000 Free Credits