Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gfeller-treuhand.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:40:48 UTC · ↺ Refresh
MX Hostnames
- gfellertreuhand-ch01i.mail.protection.outlook.com
MX Priorities
- gfellertreuhand-ch01i.mail.protection.outlook.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.cyon.ch server.cyon.ch 2025121430 14400 1800 1209600 3600
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2025121430
Refresh
14400s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.cyon.ch
ns2.cyon.ch
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:178.174.13.243 ip4:194.56.132.18 include:spf.protection.outlook.com include:_spf.hostcenter.com include:spf.realforce.ch ip6:2603:10a6:20b:599::7 include:spf-westeu.emailsignatures365.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=25;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 25% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- ORDjl4VC2VGSn2757QrayidOT7G8tW5OyvjDYmDTrEI79JcAEdSawUXwNmsjM7gLGLZN78dyM45npYC17Wy/lQ==
- facebook-domain-verification=8bwfi9cvuu639xpg8lgejsfnrx32nf
- SPFv=spf1 mx ip4:178.174.13.243 ip4:194.56.132.18 include:spf.protection.outlook.com include:_spf.hostcenter.com include:spf.realforce.ch ip6:2603:10a6:20b:599::7 include:spf-westeu.emailsignatures365.com -all
- google-site-verification=lz1BZipUIlgKMBjrb7p4Tctba1cyKBAe6qBJDu9DGAY
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