fix README and code cleanup
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@ -106,7 +106,8 @@ Using `--expert` will instruct dnstraceroute to print expert hints (such as warn
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dnseval is a bulk ping utility that sends an arbitrary DNS query to a give list
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dnseval is a bulk ping utility that sends an arbitrary DNS query to a give list
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of DNS servers. This script is meant for comparing response time of multiple
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of DNS servers. This script is meant for comparing response time of multiple
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DNS servers at once:
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DNS servers at once:
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```% ./dnseval.py -f public-v4.txt -c3 ripe.net
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```
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% ./dnseval.py -f public-v4.txt -c3 ripe.net
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server avg(ms) min(ms) max(ms) stddev(ms) lost(%) flags
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server avg(ms) min(ms) max(ms) stddev(ms) lost(%) flags
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----------------------------------------------------------------------------------
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----------------------------------------------------------------------------------
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8.8.8.8 210.225 109.864 407.420 170.785 %0 QR RD RA
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8.8.8.8 210.225 109.864 407.420 170.785 %0 QR RD RA
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@ -34,9 +34,9 @@ import sys
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import time
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import time
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from statistics import stdev
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from statistics import stdev
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import dns.flags
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import dns.rdatatype
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import dns.rdatatype
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import dns.resolver
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import dns.resolver
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import dns.flags
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__VERSION__ = 1.1
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__VERSION__ = 1.1
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__PROGNAME__ = os.path.basename(sys.argv[0])
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__PROGNAME__ = os.path.basename(sys.argv[0])
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@ -168,7 +168,8 @@ def main():
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break
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break
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try:
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try:
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stime = time.time()
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stime = time.time()
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answers = resolver.query(hostname, dnsrecord, source_port=src_port, source=src_ip, tcp=use_tcp, af=af, raise_on_no_answer=False)
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answers = resolver.query(hostname, dnsrecord, source_port=src_port, source=src_ip, tcp=use_tcp, af=af,
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raise_on_no_answer=False)
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etime = time.time()
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etime = time.time()
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except dns.resolver.NoNameservers as e:
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except dns.resolver.NoNameservers as e:
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if not quiet:
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if not quiet:
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