Live data โ DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: โก live
Checker: โก live
tc1labs.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-05-21 04:33:36 UTC ยท โบ Refresh
MX Hostnames
- tc1labs-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 199.34.228.50
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns12.domaincontrol.com
ns11.domaincontrol.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; pct=100
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected],mailto:[email protected]
DKIM Selectors
โ 1 found
selector1._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- google-site-verification=CAqghOkarQe-u023euKmpxFSyhrwKTDqCS6Y_D3Tujg
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=GPTiOSJI9IhIp0CvcoZ559OLJQPfyq9kVh0ffZiY05k
- google-site-verification=GqnmUjko_ZIa4-zlxa5Mk5aacpUu34oCo0pHjslZGoo
- openai-domain-verification=dv-ZhRlzSAAuS8kjeWJkV7Mavep
- 1a3004b0-5de7-11ef-bd0e-7b146ca0ebdb
Full email verification for tc1labs.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits