colentco.com

Valid Email Server
Domain Lookup › colentco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
colentco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 00:22:11 UTC · ↺ Refresh

MX Hostnames

  • mail.colentco.com

MX Priorities

  • mail.colentco.com: 10

A / AAAA Records

  • 15.204.100.51 ↩ hills.estela.cloud
  • 2604:2dc0:200:2733:: ↩ hills.estela.cloud

Mail Server IPs

  • 15.204.100.51 ↩ hills.estela.cloud
  • 2604:2dc0:200:2733:: ↩ hills.estela.cloud

SOA Record

Raw SOA cluster0.serverko.net hostmaster.colentco.com 2026022100 3600 3600 1209600 86400
Primary NS (mname)
cluster0.serverko.net
Admin Email (rname)
hostmaster@colentco.com
Serial
2026022100
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

cluster2.serverko.net
cluster1.serverko.net
cluster0.serverko.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:15.204.100.51 include:relay.estela.cloud ip6:2604:2dc0:200:2733:0:0:0:0 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

1 record
  • SPFv=spf1 a mx ip4:15.204.100.51 include:relay.estela.cloud ip6:2604:2dc0:200:2733:0:0:0:0 ~all
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