Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
synergym.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 01:35:56 UTC · ↺ Refresh
MX Hostnames
- mail.synergym.ch
MX Priorities
- mail.synergym.ch: 0
A / AAAA Records
- 149.126.4.31 ↩ s022.cyon.net
- 2a01:ab20::4:0:0:0:31 ↩ s022.cyon.net
Mail Server IPs
- 149.126.4.31 ↩ s022.cyon.net
SOA Record
Raw SOA
ns1.cyon.ch server.cyon.ch 2024022301 14400 1800 1209600 3600
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2024022301
Refresh
14400s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.cyon.ch
ns2.cyon.ch
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- SPFv=spf1 include:spf.mailjet.com +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all
- SPFv=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all
- brevo-code:f6d6897006823371f52b73e9fac3f0f3
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