visiobau.ch

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
visiobau.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-13 16:14:10 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • visiobau-ch.mail.protection.outlook.com: 10

A / AAAA Records

  • 213.239.221.71 ↩ designerlb.hr1.hoststar.ch

Mail Server IPs

  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.91.156 ↩ mail-maspr04cu00104.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::c ↩ mail-miypr03cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.hoststar.hosting hostmaster.visiobau.ch 2026091001 10800 3600 1209600 3600
Primary NS (mname)
ns1.hoststar.hosting
Admin Email (rname)
hostmaster@visiobau.ch
Serial
2026091001
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.hoststar.hosting
ns1.hoststar.hosting

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.extenso.ch -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • MS=ms45159407
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.extenso.ch -all
  • google-site-verification=PibSFrMaSKEnGGxmSg33Wfl1oKVVVu-HmQ87w0NiS6k
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