fh-dortmund.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fh-dortmund.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 15:19:26 UTC · ↺ Refresh

MX Hostnames

  • fhdortmund-de0e.mail.protection.outlook.com

MX Priorities

  • fhdortmund-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 193.25.23.35 ↩ www.fh-dortmund.de

Mail Server IPs

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

SOA Record

Raw SOA ns.inwx.de hostmaster.inwx.de 2026032004 3600 900 604800 600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2026032004
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns.inwx.de
ns3.inwx.eu
ns2.inwx.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.fh-dortmund.de include:spf-eu.exlibrisgroup.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1; adkim=r; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

8 records
  • apple-domain-verification=v6gqJld5xBl9NjhF
  • adobe-idp-site-verification=1ea28079c6e134bdd106e61ed09760d918c556c776726305586363355f270dea
  • google-site-verification=b2bV6csESmxqPrDXCFTGs5BzGePBk4v229z_h-et0OM
  • google-site-verification=BGcptPuhoBxbzk19Vy90EUc47JFMlTXIoTPTRxXIj5o
  • google-site-verification=LaJuIEymuDYvvMfcCYZpxP93TO6iMHB_OkRsajKlovM
  • spycloud-domain-verification=58d86067-8430-4a4d-a13a-7aa93f9979d2
  • SPFv=spf1 include:spf.fh-dortmund.de include:spf-eu.exlibrisgroup.com -all
  • cisco-ci-domain-verification=2faa8f5d68636dd52f680659b68e7160f9824f5d517088e7fd17b09da284f3c6
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