usb.ch

Valid Email Server
Domain Lookup › usb.ch

Domain Overview

DNS: ✓ 15d ago Checker: ✓ 15d ago
usb.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-11 04:28:13 UTC · ↺ Refresh

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MX Hostnames

  • mailgw01.usb.ch
  • mailgw02.usb.ch

MX Priorities

  • mailgw01.usb.ch: 10
  • mailgw02.usb.ch: 10

A / AAAA Records

  • 145.250.214.78 ↩ ictlbap--vs--magnolia--prod.usb.ch

Mail Server IPs

  • 145.250.210.44 ↩ mailgw01.usb.ch
  • 145.250.210.45 ↩ mailgw02.usb.ch

SOA Record

Raw SOA dnsext.uhbs.ch netzwerk.usb.ch 1881 3600 1800 2419200 900
Primary NS (mname)
dnsext.uhbs.ch
Admin Email (rname)
netzwerk@usb.ch
Serial
1881
Refresh
3600s
Retry
1800s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

scsnms.switch.ch
dnsext.uhbs.ch

SPF Record

✓ Strict (-all)
v=spf1 ip4:145.250.210.44 ip4:145.250.210.45 ip4:145.250.218.211 ip4:145.250.218.212 ip4:145.250.217.18 ip4:91.212.196.33 ip4:195.176.29.194 ip4:145.250.214.8 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 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

13 records
  • qli16ic4qvsobfjqtk2u2vc7dl
  • apple-domain-verification=7IXVSZ9OGbhejn1F
  • atlassian-sending-domain-verification=c07bca61-bb91-45b0-b715-7056f1ca2f08
  • ZA=hSqtkm4o5bK6VQwEkHhb4Q==
  • docusign=bb565b56-bf77-4e1c-bd91-a76f3eaaea48
  • Kp4-A2b-M7L
  • MS=6AE306DC41CE407AB4F6E020303A530981096DD9
  • adobe-idp-site-verification=9f9782359c5516cdbdb8addd5dddc8f07ff3a8f09187ba85bf5b83590822989e
  • SPFv=spf1 ip4:145.250.210.44 ip4:145.250.210.45 ip4:145.250.218.211 ip4:145.250.218.212 ip4:145.250.217.18 ip4:91.212.196.33 ip4:195.176.29.194 ip4:145.250.214.8 include:spf.protection.outlook.com -all
  • atlassian-domain-verification=Y7aSdlZme9fNupaKdW0i750TJzeX6nn0RSc5compxnasgaFCgrpCMJpWOrOUUC/D
  • T8RDiuNCP5iUfvltRdVx4JUt3qNZDbN37xi235OuqCng2UYPwCzG29ezZSK4yl3gZPASHNlyoqluFhs4yDTKgQ==
  • swisssign-check=gK7XYUcQf1-z4zsan59L1gbtWQQ
  • cisco-ci-domain-verification=664f73ecd30817140511e874537d19f2b7ac079211e107769edba921cc485f1d
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