Domain Overview
DNS: ✓ 4d ago
Checker: ✓ 4d ago
viu.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-11 03:00:14 UTC · ↺ Refresh
MX Hostnames
- viu-ch.mail.protection.outlook.com
MX Priorities
- viu-ch.mail.protection.outlook.com: 0
A / AAAA Records
- 149.126.4.37 ↩ s028.cyon.net
- 2a01:ab20:0:4::37 ↩ s028.cyon.net
Mail Server IPs
- 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
- 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
- 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca21::8 ↩ mail-matpr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.cyon.ch server.cyon.ch 2024102100 86400 7200 3600000 86400
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2024102100
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.cyon.ch
ns1.cyon.ch
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:194.126.200.48 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
7 records- google-site-verification=7Eudq87BWVH382gFnZkPDW4XWL7IzWczwibC7Zg66dk
- MS=ms44576565
- SPFv=spf1 +a +mx +ip4:194.126.200.48 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net -all
- anthropic-domain-verification-yx0zha=JNDtjRTTXEvbOkEgxEVkafpXW
- atlassian-sending-domain-verification=61e8da95-a1fc-442f-ad5a-9e2a54f9cde0
- sitecore-domain-verification=78608ea90aa8466dbfa5db50afb23f49
- atlassian-domain-verification=n8k7Iv8vDCeuICyZrLocUGJqWQvdwoArtI9-eGGZELnhomg54In+39fvII5/IXIK
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