Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tfc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 02:55:33 UTC · ↺ Refresh
MX Hostnames
- tfc.com.2.0001.arsmtp.com
- tfc.com.1.0001.arsmtp.com
MX Priorities
- tfc.com.2.0001.arsmtp.com: 2
- tfc.com.1.0001.arsmtp.com: 1
A / AAAA Records
- 18.173.219.80 ↩ server-18-173-219-80.jfk52.r.cloudfront.net
- 18.173.219.37 ↩ server-18-173-219-37.jfk52.r.cloudfront.net
- 18.173.219.97 ↩ server-18-173-219-97.jfk52.r.cloudfront.net
- 18.173.219.106 ↩ server-18-173-219-106.jfk52.r.cloudfront.net
Mail Server IPs
- 8.19.118.173 ↩ server237.appriver.com
- 8.31.233.66 ↩ server236.appriver.com
SOA Record
Raw SOA
ns-1924.awsdns-48.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1924.awsdns-48.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-644.awsdns-16.net
ns-1377.awsdns-44.org
ns-1924.awsdns-48.co.uk
ns-456.awsdns-57.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:69.74.50.59 include:spf.mandrillapp.com include:_phishspf.knowbe4.com include:spf.nexuspayables.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=84600; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
20 records- jetbrains-domain-verification=78t48vrsfxn85x91whd7a50uv
- box-domain-verification=b909d7be1a054db39feb909030bf3c59d8ff51955e7c3a0d04d3204d74ab44d6
- openai-domain-verification=dv-ivqqJapnwFTbAEwAjigaUpF9
- 9b5gqssn06rgms4p8u7jd12uc2
- apple-domain-verification=c8ElEW2BXhdaxPrE
- SPFv=spf1 mx ip4:69.74.50.59 include:spf.mandrillapp.com include:_phishspf.knowbe4.com include:spf.nexuspayables.com include:spf.protection.outlook.com -all
- vm95lcrle6varf88gvdlphi2sp
- anthropic-domain-verification-42d5fk=7zbcocJLn3lmzBbBIlfyhXnT2
- google-site-verification=8lmniZsCPMbb7zZs80xTJFPDdqz-DCmH90oqtD0vLZw
- atlassian-domain-verification=/gylxd1yyWc17mMPTevtaKg1261vEBWUXao/ZixhplMmxuWvqaDuiUoGcUo0Kp8Y
- grv3pau1r8268aqmdclfvf5aim
- google-site-verification=5MDZyio3gvkuaLLN5OuxBng35FMiexSlAT0wKOUn2Ms
- docusign=95cd291d-516c-4a95-932f-b22ef0a5ec51
- OdZIltO4U1+aenYeUW8z0Ttjm7XIs+T+3MXOfBYxYiDW4gGa6Y10T2OpfSAcwTS9PZQQIrsdmxcy+9O3Xl3rVQ==
- ZOOM_verify_WfLMTAsERSuo0IOBD9PIUw
- MS=ms42527387
- linear-domain-verification=jg3w2gaime2e
- notion-domain-verification=Qsx8UUbjGCwcxCXl4YDRUyhugQF6P93uUImJ7EL3iVN
- gitlab-pages-verification-code=1d1aa65a4de796f09dae9e77ea34580d
- cursor-domain-verification-3792h1=zarTWShZnUwdSc8unhE3oNa8W
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