Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centigon.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 02:07:11 UTC · ↺ Refresh
MX Hostnames
- smtpgw.centigon.com
- smtpgw.caratsecurity.com
MX Priorities
- smtpgw.caratsecurity.com: 10
- smtpgw.centigon.com: 5
A / AAAA Records
- 94.103.101.159 ↩ vserv2159.swisslink.ch
Mail Server IPs
- 94.103.99.117 ↩ smtpgw.caratsecurity.com
- 94.103.99.116 ↩ smtpgw.centigon.com
SOA Record
Raw SOA
ns1.swisscenter.com dom-reg.swisslink.ch 2026032601 14400 3600 1209600 86400
Primary NS (mname)
ns1.swisscenter.com
Admin Email (rname)
dom-reg@swisslink.ch
Serial
2026032601
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.swisscenter.com
ns4.swisscenter.com
ns2.swisscenter.com
ns1.swisscenter.com
SPF Record
✓ Strict (-all)
v=spf1 include:fwdsc.swisscenter.com a:vserv2190.swisslink.ch ip4:94.103.101.190 ip4:94.103.96.175 ip4:63.164.202.101 ip4:63.164.202.102 ip4:63.164.202.103 ip4:213.32.20.157 a:smtp.centigon.com a mx -all
📊 DNS lookups: 5/10
✓ 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
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
4 records- cisco-ci-domain-verification=5c3c2454d053dd6dbd3817cdce3ef57140ad1ff201092eadfef87e9d5115917d
- brevo-code:19c3f9a8969dc0d3cc87cf4a85296877
- MS=ms13221224
- SPFv=spf1 include:fwdsc.swisscenter.com a:vserv2190.swisslink.ch ip4:94.103.101.190 ip4:94.103.96.175 ip4:63.164.202.101 ip4:63.164.202.102 ip4:63.164.202.103 ip4:213.32.20.157 a:smtp.centigon.com a mx -all
Full email verification for centigon.com
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