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DNS Lookup

tcpdf.org

tcpdf.org 196 ms

A Records (IPv4)

91.99.80.139

MX Records (Mail)

10 mail.tcpdf.com

NS Records (Nameservers)

ns2.hover.com

ns1.hover.com

TXT Records

v=spf1 ip4:91.99.80.139 a mx a:tecnick.com include:gmail.com ~all

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Other reports for tcpdf.org

Security Headers

CSP, HSTS, X-Frame-Options grade for this site

SSL Certificate Checker

Inspect certificate validity, expiry, cipher suite, and chain — supports SNI.

Redirect Checker

Trace the full HTTP redirect chain, flag loops, and surface mixed-content downgrades.

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