Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bost.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 19:28:45 UTC · ↺ Refresh
MX Hostnames
- bost-org.mail.protection.outlook.com
MX Priorities
- bost-org.mail.protection.outlook.com: 0
A / AAAA Records
- 35.212.66.35 ↩ 35.66.212.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.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:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns45.worldnic.com namehost.worldnic.com 125090410 10800 3600 604800 3600
Primary NS (mname)
ns45.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125090410
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns45.worldnic.com
ns46.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:72.11.31.99 ip4:208.64.43.193 ip4:192.28.144.160 include:spf.protection.outlook.com include:spf.smtp2go.com include:spf.myconnectwise.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; adkim=s; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
3 records- SPFv=spf1 ip4:72.11.31.99 ip4:208.64.43.193 ip4:192.28.144.160 include:spf.protection.outlook.com include:spf.smtp2go.com include:spf.myconnectwise.net -all
- 6angcoqa4qpiigbp0isv920tmn
- apple-domain-verification=OkcNWhgZ9oLzeD8M
Full email verification for bost.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits