osipt.com

Valid Email Server
Domain Lookup › osipt.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
osipt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 03:34:17 UTC · ↺ Refresh

MX Hostnames

  • osipt-com.mail.protection.outlook.com

MX Priorities

  • osipt-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 74.208.236.96 ↩ 74-208-236-96.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::200 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1053.ui-dns.de hostmaster.1und1.com 2017060122 28800 7200 604800 600
Primary NS (mname)
ns1053.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060122
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1075.ui-dns.biz
ns1053.ui-dns.de
ns1091.ui-dns.org
ns1074.ui-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx a ptr include:protection.outlook.com -all
📊 DNS lookups: 4/10
✓ 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 mx a ptr include:protection.outlook.com -all
  • MS=ms93032661
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