Files
zonemaster.es/zonemaster-ldns/ldns/contrib/ldnsx/examples/ldnsx-walk.py

26 lines
751 B
Python
Raw Normal View History

#!/usr/bin/python
# vim:fileencoding=utf-8
#
# Walk a domain that's using NSEC and print in zonefile format.
import sys
import ldnsx
def walk(domain):
res = ldnsx.resolver("193.110.157.136", dnssec=True)
pkt = res.query(domain, 666)
try:
nsec_rr = pkt.authority(rr_type="NSEC")[0]
except:
print "no NSEC found, domain is not signed or using NSEC3"
sys.exit()
for rr_type in nsec_rr[5].split(' ')[:-1]:
for rr in ldnsx.get_rrs(domain, rr_type):
print str(rr)[:-1]
next_rec = nsec_rr[4]
if (next_rec != domain) and (next_rec[-len(domain):] == domain):
walk(next_rec)
walk("xelerance.com")