dbu.ch

Valid Email Server
Domain Lookup › dbu.ch

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dbu.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 08:04:25 UTC · ↺ Refresh

MX Hostnames

  • dbu-ch.mail.protection.outlook.com

MX Priorities

  • dbu-ch.mail.protection.outlook.com: 0

A / AAAA Records

  • 80.74.130.164 ↩ 2.inware.ch

Mail Server IPs

  • 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
  • 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
  • 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.inware.ch info.inware.ch 2025101302 3600 3600 3600 3600
Primary NS (mname)
ns1.inware.ch
Admin Email (rname)
info@inware.ch
Serial
2025101302
Refresh
3600s
Retry
3600s
Expire
3600s
Minimum TTL
3600s

Nameservers (NS)

ns2.inware.ch
ns1.inware.ch

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.sui-inter.net include:spf.abacuscity.ch include:_spf.andeo.ch include:spf.cloud.ci-solution.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

3 records
  • MS=ms42201403
  • swisssign-check=1A1E988E20B18A681704889C1B4CA870EB40289B
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.sui-inter.net include:spf.abacuscity.ch include:_spf.andeo.ch include:spf.cloud.ci-solution.com -all
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