Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colbitech.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:08:44 UTC · ↺ Refresh
MX Hostnames
- colbitech-com.mail.protection.outlook.com
MX Priorities
- colbitech-com.mail.protection.outlook.com: 1
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
dolly.ns.cloudflare.com dns.cloudflare.com 2399397349 10000 2400 604800 1800
Primary NS (mname)
dolly.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399397349
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
finley.ns.cloudflare.com
dolly.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com ip4:64.26.60.153 ip4:12.35.225.134 ip4:12.35.225.133 ip4:167.89.94.116 include:mfg.siteprotect.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- DAE52B271F
- MS=ms45349378
- _xepaxk0wh2mys0xuvmxqnbh4as7i3i0
- apple-domain-verification=r8mgOupoBBPryuUb
- bw=Pcj2lpx0ntTW1hoVBZZRPKUu03lJS7xWxuEMsJXNPzno
- cursor-domain-verification-mfd1kb=cvqoPyxD9RUO01gagFkb9VqjF
- SPFv=spf1 a mx include:spf.protection.outlook.com ip4:64.26.60.153 ip4:12.35.225.134 ip4:12.35.225.133 ip4:167.89.94.116 include:mfg.siteprotect.com ~all
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