Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
colo.to
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 04:49:50 UTC · ↺ Refresh
MX Hostnames
- mail.colo.to
MX Priorities
No priority data.
A / AAAA Records
- 104.21.63.245
- 172.67.173.96
- 2606:4700:3037::ac43:ad60
- 2606:4700:3036::6815:3ff5
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
diva.ns.cloudflare.com
sri.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:mailgun.org include:zohomail.com ip4:157.131.30.2 mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
default._domainkey
k1._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
2 records- zoho-verification=zb04425923.zmverify.zoho.com
- SPFv=spf1 include:mailgun.org include:zohomail.com ip4:157.131.30.2 mx -all
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