/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/ is in linkchecker 9.3-5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/A.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/AAAA.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/APL.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/DHCID.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/IPSECKEY.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/KX.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/NAPTR.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/NSAP.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/NSAP_PTR.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/PX.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/SRV.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/WKS.py
/usr/lib/python2.7/dist-packages/linkcheck_dns/dns/rdtypes/IN/__init__.py