usz.ch

Valid Email Server
Domain Lookup › usz.ch

Domain Overview

DNS: ✓ 13d ago Checker: ✓ 13d ago
usz.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-09 09:32:22 UTC · ↺ Refresh

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MX Hostnames

  • mailgw2.usz.ch
  • mailgw1.usz.ch

MX Priorities

  • mailgw2.usz.ch: 50
  • mailgw1.usz.ch: 50

A / AAAA Records

  • 144.200.17.220 ↩ proms.usz.ch

Mail Server IPs

  • 144.200.12.22 ↩ mailgw2.usz.ch
  • 144.200.12.21 ↩ mailgw1.usz.ch

SOA Record

Raw SOA ns1.usz.ch netzwerk.usz.ch 589132813 3600 3600 604800 86400
Primary NS (mname)
ns1.usz.ch
Admin Email (rname)
netzwerk@usz.ch
Serial
589132813
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.usz.ch
ns1.usz.ch
scsnms.switch.ch

SPF Record

✓ Strict (-all)
v=spf1 include:spf1.usz.ch include:spf2.usz.ch include:spf3.usz.ch include:spf4.usz.ch -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

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

25 records
  • bw=mZ1bTyQJlGrsnuMKHuS4krDqHsPFcAcj45bKDHMhgpoQ
  • 0B76E9E2-9F40-4E8E-BEAA-663B0C4EE4CA
  • graphpad.com:domain-verification=3MD-OahXeUv3c5T8JaoD7A
  • QuoVadis=67633bc1-551a-4660-a8aa-c5dced73fa5a
  • bg3y6n4j1chjfpvwjvw7mx6cb4cmf50s
  • cisco-ci-domain-verification=7dac4b037ff1135cd9e6bb305bdec12d0e89098e16be4b319093860d8dd85f95
  • _816pjxk3geqvmeqg984wn8nqmlwq9ej
  • autodesk-domain-verification=FJTsGCDMSNOaga_vaALR
  • apple-domain-verification=GMDaujTjprQD5gQh
  • docusign=c9f611b4-69e6-441e-b75f-bac86abfa4e6
  • SPFv=spf1 include:spf1.usz.ch include:spf2.usz.ch include:spf3.usz.ch include:spf4.usz.ch -all
  • 5LUbJX6WqsTLfB2/WERXKGKTSIFVMJ4X+jKYUTaoKV8=
  • brevo-code:b2429368db207f93bd9422a97aeb14ee
  • successfactors-site-verification=MzczOTRmOTMzMzIwZTA3NDkzM2YxMTA4NTZlNzIxNWFlZDQ5NjEzMDQyMjJjNThlOGExYjNjNWM3OWE2NDRhOQ==
  • google-site-verification=wttqg2Bk0A-zeKZ-iu2gQTOYX6fobbQ5Yp7fmegSuxw
  • asv=f8cbaeece3f8cbe6e9ed131ddc4a7dd9
  • omnissa-connect-verification-1ab36660-0468-47cc-8281-32a4ad4a536e
  • _ssiu27dyg6j9goowdmsu0hjvy1xmmns
  • brevo-code:74be7d3d2c5724a727a2b448d64dbbd0
  • mentimeter-3a5752d9-d365-4e98-9a2f-43afa2da80cf
  • miro-verification=bc39c9755407cbbc0d190a3ec57cad2640046cfc
  • autodesk-domain-verification=1whiT57KeQx5ljpBH-2s
  • tcc31ghrnbyr41ct1rdyxqhz94lpgtrf
  • MS=ms36572020
  • apple-domain-verification=KOSijUZ0JSOgm1wE
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