Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hosto.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 13:42:43 UTC · ↺ Refresh
MX Hostnames
- d99539b.ess.barracudanetworks.com
- hosto-com.mail.protection.outlook.com
- d99539a.ess.barracudanetworks.com
MX Priorities
- hosto-com.mail.protection.outlook.com: 15
- d99539b.ess.barracudanetworks.com: 20
- d99539a.ess.barracudanetworks.com: 10
A / AAAA Records
- 216.251.43.98
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255
SOA Record
Raw SOA
ns1.meganameservers.com postmaster.meganameservers.com 2026020415 86400 86400 3600000 86400
Primary NS (mname)
ns1.meganameservers.com
Admin Email (rname)
postmaster@meganameservers.com
Serial
2026020415
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.meganameservers.com
ns3.meganameservers.com
ns2.meganameservers.com
SPF Record
✓ Strict (-all)
v=spf1 ptr:hosto.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ip4:192.254.121.248 include:_phishspf.knowbe4.com include:spf.sendinblue.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
4 records- 5b3d099fe533dcb26c5fd1503c7fe03f
- SPFv=spf1 ptr:hosto.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ip4:192.254.121.248 include:_phishspf.knowbe4.com include:spf.sendinblue.com -all
- MS=ms74150471
- zoho-verification=zb25845380.zmverify.zoho.com
Full email verification for hosto.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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