Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esferacolor.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 23:18:40 UTC · ↺ Refresh
MX Hostnames
- mail.esferacolor.com
MX Priorities
- mail.esferacolor.com: 0
A / AAAA Records
- 192.161.49.66 ↩ mail.kairosit.com.co
Mail Server IPs
- 192.161.49.66 ↩ mail.kairosit.com.co
SOA Record
Raw SOA
ns1.kairosit.com.co root.server.kairosit.com.co 2026031703 3600 1800 1209600 86400
Primary NS (mname)
ns1.kairosit.com.co
Admin Email (rname)
root@server.kairosit.com.co
Serial
2026031703
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.kairosit.com.co
ns2.kairosit.com.co
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.161.49.66 +mx +a +ip4:45.56.223.140 +include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
4 records- SPFv=spf1 ip4:192.161.49.66 +mx +a +ip4:45.56.223.140 +include:relay.mailchannels.net -all
- google-site-verification=RsMvOS08FdrhE7WDiByeBFYvMJMRCjAJgcRDf6EXcu4
- google-site-verification=Vqkm7x94cixYyCVfwp6ZPBNKQiE9mpltPa1y941HqXs
- google-site-verification=24Xegb5g2ZRnc6fXD61vWMIX5d0h5t-k_izv1j2IIfE
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