prontobg.com

Valid Email Server
Domain Lookup › prontobg.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
prontobg.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 08:25:57 UTC · ↺ Refresh

MX Hostnames

  • mx01.cbsolt.net
  • mx02.cbsolt.net
  • prontobg-com.mail.protection.outlook.com

MX Priorities

  • mx02.cbsolt.net: 20
  • prontobg-com.mail.protection.outlook.com: 0
  • mx01.cbsolt.net: 10

A / AAAA Records

  • 172.67.161.124
  • 104.21.66.152
  • 2606:4700:3036::ac43:a17c
  • 2606:4700:3031::6815:4298

Mail Server IPs

  • 185.97.217.87 ↩ mx02.cbsolt.net
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 185.97.217.85 ↩ mx01.cbsolt.net

SOA Record

Raw SOA rocky.ns.cloudflare.com dns.cloudflare.com 2395009016 10000 2400 604800 1800
Primary NS (mname)
rocky.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395009016
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

rosa.ns.cloudflare.com
rocky.ns.cloudflare.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

✗ 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • mailconf=https://autoconfig.prontobg.com/mail/config-v1.1.xml
  • SPFv=spf1 include:spf-c.cbsolt.net mx a -all
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