ohst.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-31 16:43:58 UTC · ↺ Refresh

MX Hostnames

  • ohst-de.mail.protection.outlook.com

MX Priorities

  • ohst-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.160.0.21 ↩ 217-160-0-21.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1092.ui-dns.biz hostmaster.1und1.com 2017060191 28800 7200 604800 600
Primary NS (mname)
ns1092.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060191
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1092.ui-dns.org
ns1092.ui-dns.com
ns1092.ui-dns.biz
ns1092.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:85.199.126.54 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

3 records
  • SPFv=spf1 mx ip4:85.199.126.54 include:spf.protection.outlook.com ~all
  • MS=0BB1B2AA3EDC8FD27F76C2A300AFEB91A4858F9D
  • MS=ms62806484
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