Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
osopure.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 13:03:10 UTC · ↺ Refresh
MX Hostnames
- osopure-com.mail.protection.outlook.com
MX Priorities
- osopure-com.mail.protection.outlook.com: 1
A / AAAA Records
- 137.135.48.153 (no PTR)
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
curitiba.ns.porkbun.com dns.cloudflare.com 2355113643 10000 2400 604800 1800
Primary NS (mname)
curitiba.ns.porkbun.com
Admin Email (rname)
dns@cloudflare.com
Serial
2355113643
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
maceio.ns.porkbun.com
salvador.ns.porkbun.com
curitiba.ns.porkbun.com
fortaleza.ns.porkbun.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:66.172.30.6 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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 ip4:66.172.30.6 -all
- MS=ms79285145
- google-site-verification=bEdUW-jzYnjKEOROGid2M1hs0WAgQsAyTkKPG5tT9X4
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