iisb.fraunhofer.de

Valid Email Server
Domain Lookup › iisb.fraunhofer.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 16:38:33 UTC · ↺ Refresh

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MX Hostnames

  • edge02.mx.fraunhofer.de
  • edge01.mx.fraunhofer.de
  • edge03.mx.fraunhofer.de
  • edge04.mx.fraunhofer.de

MX Priorities

  • edge03.mx.fraunhofer.de: 30
  • edge01.mx.fraunhofer.de: 10
  • edge02.mx.fraunhofer.de: 20
  • edge04.mx.fraunhofer.de: 40

A / AAAA Records

  • 192.102.162.236

Mail Server IPs

  • 192.102.154.220 ↩ mail-edgemuc220.fraunhofer.de
  • 192.102.154.221 ↩ mail-edgemuc221.fraunhofer.de
  • 192.102.163.195 ↩ mail-edgebi195.fraunhofer.de
  • 192.102.163.204 ↩ mail-edgebi204.fraunhofer.de
  • 192.102.163.124 ↩ mail-edgebi124.fraunhofer.de
  • 153.96.1.30 ↩ mail-edgeka30.fraunhofer.de
  • 153.96.1.24 ↩ mail-edgeka24.fraunhofer.de
  • 192.102.154.218 ↩ mail-edgemuc218.fraunhofer.de
  • 153.96.1.27 ↩ mail-edgeka27.fraunhofer.de
  • 2a03:db80:4420:b000::25:24 ↩ mail-edgeka24.fraunhofer.de
  • 2a03:db80:4420:b000::25:27
  • 2a03:db80:4420:b000::25:30

SOA Record

Raw SOA ns2.fraunhofer.de hostmaster.iisb.fraunhofer.de 2021178230 1200 180 1209600 3600
Primary NS (mname)
ns2.fraunhofer.de
Admin Email (rname)
hostmaster@iisb.fraunhofer.de
Serial
2021178230
Refresh
1200s
Retry
180s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1.fraunhofer.de
ns2.fraunhofer.de
ns3.fraunhofer.de
ns5.fraunhofer.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a:iisb-svc01.iisb.fraunhofer.de a:liwicalc-ng.iisb.fraunhofer.de redirect=_spf.fraunhofer.de
📊 DNS lookups: 3/10

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;aspf=r;adkim=r;pct=70;fo=1;ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
⚠ Policy applies to 70% of failing messages only

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 a:iisb-svc01.iisb.fraunhofer.de a:liwicalc-ng.iisb.fraunhofer.de redirect=_spf.fraunhofer.de
  • adobe-idp-site-verification=7e01b395033c7f03cfc1c7d5932513f8dd7dabe2ac30a84cfe521587730bc925
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