hs-ulm.de

Valid Email Server
Domain Lookup › hs-ulm.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hs-ulm.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 11:03:40 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • thu-de.mail.protection.outlook.com: 50

A / AAAA Records

  • 141.59.88.143 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA dns1.hs-ulm.de hostmaster.hs-ulm.de 2026031800 21600 1800 2419200 86400
Primary NS (mname)
dns1.hs-ulm.de
Admin Email (rname)
hostmaster@hs-ulm.de
Serial
2026031800
Refresh
21600s
Retry
1800s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

dns3.belwue.de
dns2.hs-ulm.de
dns1.hs-ulm.de
dns1.belwue.de

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:141.59.88.24/30 ip4:194.95.233.50 ip4:194.95.235.50 ip4:194.95.239.50 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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

6 records
  • adobe-idp-site-verification=ad8363927d1477bc39213d8c5e0f6998dd2fcfd4c0caaeeb6ec4dda6d23d50a9
  • apple-domain-verification=OAMUIXSjaX5Q5M9B
  • MS=ms91183534
  • jwO8ARbwUQA+Z05rJLBs4RPAupzZoddTxn8kNZET/aQgJEsSQJqSSKg4Hm3c4zBR/tyiUdSCeZbaxR7sczUWtA==
  • SPFv=spf1 mx a ip4:141.59.88.24/30 ip4:194.95.233.50 ip4:194.95.235.50 ip4:194.95.239.50 include:spf.protection.outlook.com -all
  • cisco-ci-domain-verification=12d593276893f4c3df0b04b3983cc79622454dc3c04bc24839708ec8c47e97ce
Full email verification for hs-ulm.de

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