iun.ch

Valid Email Server
Domain Lookup › iun.ch

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
iun.ch
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 03:16:23 UTC · ↺ Refresh

MX Hostnames

  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx2.googlemail.com

MX Priorities

  • aspmx3.googlemail.com: 10
  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 5
  • aspmx2.googlemail.com: 10

A / AAAA Records

  • 212.40.24.35 (no PTR)

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns3.dfinet.ch system.dfi.ch 2024020700 3600 7200 1209600 300
Primary NS (mname)
ns3.dfinet.ch
Admin Email (rname)
system@dfi.ch
Serial
2024020700
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns3.dfinet.ch
ns4.dfinet.ch

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.elluciancloud.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • _globalsign-domain-verification=lI8Uzxt7JQb8XZoIIlwN_bnXK9-tmFhtR-k8gjJqv3
  • SPFv=spf1 include:_spf.google.com include:spf.elluciancloud.com ~all
  • MS=ms82432483
  • adobe-idp-site-verification=d1d8a74a147d37333347c480c3780fbec1272bc004024366a633cefb0a4374c4
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