275w10.com

Valid Email Server
Domain Lookup › 275w10.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
275w10.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 09:13:30 UTC · ↺ Refresh

MX Hostnames

  • 275w10-com.mail.protection.outlook.com

MX Priorities

  • 275w10-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.157.21 (no PTR)
  • 104.21.65.10 (no PTR)
  • 2606:4700:3034::6815:410a
  • 2606:4700:3037::ac43:9d15

Mail Server IPs

  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA jack.ns.cloudflare.com dns.cloudflare.com 2397261672 10000 2400 604800 1800
Primary NS (mname)
jack.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397261672
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jack.ns.cloudflare.com
sharon.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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • v=verifydomain MS=4518574
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