Domain Overview
DNS: ✓ 4d ago
Checker: ✓ 4d ago
vsbb.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-10 16:05:09 UTC · ↺ Refresh
MX Hostnames
- vsbb-ch.mail.protection.outlook.com
MX Priorities
- vsbb-ch.mail.protection.outlook.com: 0
A / AAAA Records
- 149.126.4.18 ↩ s009.cyon.net
- 2a01:ab20:0:4::18 ↩ s009.cyon.net
Mail Server IPs
- 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
- 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
- 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.cyon.ch server.cyon.ch 2024092502 86400 7200 3600000 86400
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2024092502
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.cyon.ch
ns1.cyon.ch
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; sp=reject; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=v_j_PT2yPuOprtrBNpLhoOw2pGQisyjNRv_zxy2cipg
- MS=ms22475303
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all
- adobe-idp-site-verification=148598254207542c99fbd4cd1a57ba69161b1ae7aff0cbc74d2baf63216d1f48
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