rub.de

Valid Email Server
Domain Lookup › rub.de

Domain Overview

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

Checked via [email protected] · 2026-03-20 09:37:18 UTC · ↺ Refresh

MX Hostnames

  • mi.ruhr-uni-bochum.de

MX Priorities

  • mi.ruhr-uni-bochum.de: 10

A / AAAA Records

  • 134.147.64.10 ↩ vmits0186.rz.ruhr-uni-bochum.de
  • 2a05:3e00:1:1002::64:10 ↩ vmits0186.rz.ruhr-uni-bochum.de

Mail Server IPs

  • 134.147.42.228 ↩ mx2.mail.ruhr-uni-bochum.de
  • 134.147.53.154 ↩ mx3.mail.ruhr-uni-bochum.de
  • 134.147.53.148 ↩ mx1.mail.ruhr-uni-bochum.de
  • 2a05:3e00:8:1001::8693:3594 ↩ mx1.mail.ruhr-uni-bochum.de
  • 2a05:3e00:c:1001::8693:2ae4 ↩ mx2.mail.ruhr-uni-bochum.de
  • 2a05:3e00:8:1001::8693:359a ↩ mx3.mail.ruhr-uni-bochum.de

SOA Record

Raw SOA dns1.ruhr-uni-bochum.de hostmaster.ruhr-uni-bochum.de 2026240271 1800 450 604800 900
Primary NS (mname)
dns1.ruhr-uni-bochum.de
Admin Email (rname)
hostmaster@ruhr-uni-bochum.de
Serial
2026240271
Refresh
1800s
Retry
450s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

dns2.ruhr-uni-bochum.de
dns1.ruhr-uni-bochum.de

SPF Record

✓ Soft Fail (~all)
v=spf1 exists:%{ir}.%{v}._spfx.mail.ruhr-uni-bochum.de exists:%{ir}._ip.%{l1r+}._spfx.mail.ruhr-uni-bochum.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

5 records
  • SPFv=spf1 exists:%{ir}.%{v}._spfx.mail.ruhr-uni-bochum.de exists:%{ir}._ip.%{l1r+}._spfx.mail.ruhr-uni-bochum.de ~all
  • adobe-idp-site-verification=9dbefc807fe5d39976c34678175f86b0418bc5178b56febd01014c8a65fd0511
  • apple-domain-verification=Do06TXqqgCK5apVH
  • mindmanager-verification=48b8b652842c93d93edcd6d693fbb40d9e1d037bd9bbb2083843929876b0aa66
  • google-site-verification=DjVLPWJ2ub7fqE8MVMN67zHZJF-5ZiW8JTbqtxJ9X5M
Full email verification for rub.de

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