\documentclass[a4paper,landscape,9pt]{scrartcl}
\usepackage[ngerman]{babel} 
\usepackage[utf8]{inputenc}
\usepackage{amssymb,amsmath,amsfonts}
\usepackage{multicol}
\usepackage{dsfont}
\usepackage[landscape]{geometry}
\usepackage{graphicx}
\usepackage{underscore}
\usepackage[parfill]{parskip} % No intendation for new paragraphs
\usepackage{wasysym}
\usepackage{booktabs}% http://ctan.org/pkg/booktabs
\usepackage{array}% http://ctan.org/pkg/array
\usepackage{tabularx}% http://ctan.org/pkg/tabularx
\usepackage{calc}

\geometry{a4paper,left=10mm,right=10mm, top=1cm, bottom=2cm} 

\usepackage{fancyhdr}
\pagestyle{fancy}
\lhead{Email-Liste}
\rhead{Tutorium 10, Martin Thoma}

\newcommand\lineHeight{0.7cm}

\begin{document}
 \title{Email-Liste}
 \author{Martin Thoma}
 
 \begin{tabularx}{\linewidth}{l|cc|X|X|X|X}
      &\mars       & \venus  & Vorname Nachname & Matrikelnummer   & Studiengang       & E-Mail Adresse\\
    \hline
    \hline
    0 & \CheckedBox & \Square & Martin Thoma     & 1633521          & Informatik (BA)   & info@martin-thoma.de\\
    \hline
    1 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
    2 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
    3 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
    4 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
    5 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
    6 &\Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
    7 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
    8 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
    9 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   10 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   11 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   12 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   13 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   14 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   15 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
 \end{tabularx}

 \begin{tabularx}{\linewidth}{l|cc|X|X|X|X}
      &\mars       & \venus  & Vorname Nachname & Matrikelnummer   & Studiengang       & E-Mail Adresse\\
    \hline
    \hline
    0 & \CheckedBox & \Square & Martin Thoma     & 1633521          & Informatik (BA)   & info@martin-thoma.de\\
    \hline
   16 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   17 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   18 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   19 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   20 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   21 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   22 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   23 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   24 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   25 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   26 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   27 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   28 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   29 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
    \hline
   30 & \Square     & \Square &                  &                  &                   & \\[\lineHeight]
 \end{tabularx}

\end{document}
