oscor.com

Valid Email Server
Domain Lookup › oscor.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
oscor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 14:52:50 UTC · ↺ Refresh

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MX Hostnames

  • oscor-com.mail.protection.outlook.com

MX Priorities

  • oscor-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.159.129.11 (no PTR)
  • 162.159.130.11 (no PTR)

Mail Server IPs

  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 7 10800 3600 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
7
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dmtu.mt.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net

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

10 records
  • globalsign-domain-verification=RH6d31afFNKOyWDehjLO3J8Ne8G0QJ4RO3iIq5kc_Z
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • smartsheet-site-validation=c9ItDAJZg6mfgWsrRpeMVnA4Rv_LOpB0
  • google-site-verification=vawQXXxrpOI8_NK4b23k4VuGghM_e5U6sh0PcfS0fH8
  • MS=ms65602668
  • google-site-verification=jBft6YVk8mR5v1aIMofdFIw3_Sp4gnosJ9IXxztY-6A
  • have-i-been-pwned-verification=ef6745952573909cf743a245967f23d0
  • google-site-verification=ABRSAg-5v6VtvraqfkMaqj7O5pbtAvZWcRMEz2z5fPc
  • VSaALpPmkjLeRg40a7rtMXBNdhtahQQYd+/o54ywcy+RqDJj1vXG2Aa/Y7zVjxRrG3OaZE28cCcN8Q8AayydMg==
  • oscor-com.mail.protection.outlook.com
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