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
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
✗ MissingNo 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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