wiwinf.uni-due.de

Valid Email Server
Domain Lookup › wiwinf.uni-due.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 08:09:21 UTC · ↺ Refresh

MX Hostnames

  • portal.wiwinf.uni-due.de

MX Priorities

  • portal.wiwinf.uni-due.de: 10

A / AAAA Records

  • 132.252.51.2 ↩ wiwinf.uni-due.de
  • 132.252.51.1 ↩ wiwinf.uni-due.de
  • 132.252.51.3 ↩ forestdnszones.wiwinf.uni-due.de
  • 2001:638:501:7001:132:252:51:3 ↩ wiwinf.uni-due.de
  • 2001:638:501:7001:132:252:51:2 ↩ wiwinf-adc02.wiwinf.uni-due.de
  • 2001:638:501:7001:132:252:51:1 ↩ forestdnszones.wiwinf.uni-due.de

Mail Server IPs

  • 132.252.60.9 ↩ portal.wiwinf.uni-due.de

SOA Record

Raw SOA wiwinf-dns01.wiwinf.uni-due.de postmaster.icb.uni-essen.de 2024121859 1200 900 86400 3600
Primary NS (mname)
wiwinf-dns01.wiwinf.uni-due.de
Admin Email (rname)
postmaster@icb.uni-essen.de
Serial
2024121859
Refresh
1200s
Retry
900s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

wiwinf-dns02.wiwinf.uni-due.de
wiwinf-dns01.wiwinf.uni-due.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:132.252.0.0/16 ip4:134.91.0.0/16 ip6:2001:638:501::/48 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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 ip4:132.252.0.0/16 ip4:134.91.0.0/16 ip6:2001:638:501::/48 mx ~all
  • lDZ+yc7oUk9fGly1xbS7CEarSJkFBlW3oNWP1C90qJfHNRTYNPb0EINo5SUiISQOnjuLIlu+RYep140idvfOEQ==
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