c-k.com

Valid Email Server
Domain Lookup › c-k.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
c-k.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 00:31:58 UTC · ↺ Refresh

MX Hostnames

  • asg.c-k.com
  • proofpoint02.c-k.com

MX Priorities

  • asg.c-k.com: 10
  • proofpoint02.c-k.com: 10

A / AAAA Records

  • 72.167.134.98 ↩ 98.134.167.72.host.secureserver.net

Mail Server IPs

  • 216.143.88.132 ↩ asg.c-k.com
  • 216.143.88.133 ↩ chifs01.c-k.com

SOA Record

Raw SOA ns2.c-k.com administrator.c-k.com 2007122934 3600 600 1209600 3600
Primary NS (mname)
ns2.c-k.com
Admin Email (rname)
administrator@c-k.com
Serial
2007122934
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns10.customer.level3.net
ns1.customer.level3.net
ns2.c-k.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.us.exclaimer.net include:mailgun.org include:_spfmo.mediaocean.com include:spf.mandrillapp.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

13 records
  • c49bdcksr1e0blql2dhs8013sv
  • ae1p2u7v6s2ba5p1pvmuu2l2ln
  • google-gws-recovery-domain-verification=50699276
  • j278paim4dctffnklpeme8bst8
  • gcd6i5rdm9i0s8phecuvmd49u3
  • tm7IkiOBLhShOBDJyWKz3SdqEb1RUwO49BGjDFejXMze2VH35OjtQzs67Un1gkpf++JFjTXRE3Do9Ha9aOiXkw==
  • apple-domain-verification=0CFEVg2e2ATteTX4
  • extensis-domain-verification=1f7a5cef-71a7-4141-b48b-4bc633143af0
  • MS=ms15494498
  • d3kp62p1tehnop18sq0luqrl45
  • google-site-verification=Q-Cl3UWw5QHArxCqMk3EDS7VCZklRSPeM6QFpMdLopE
  • SPFv=spf1 include:spf.us.exclaimer.net include:mailgun.org include:_spfmo.mediaocean.com include:spf.mandrillapp.com include:spf.protection.outlook.com -all
  • oapo601rc06p8nhnmm3fo6ar1f
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