ITIS 3110 Lab 4 DNS Glue Records Should

ITIS 3110 Lab 4 DNS

Glue Records �Should be enabled �Note: names are mixed case �Ensure you use the name as exactly in the glue record �Note: Check that the subnet assigned and your network for your glue records match �If not: � Use the same number as noted on the glue record � Inform the Instructor so the subnet can be updated � e. Mail

Project Groups �Reminder to keep working on group formations �Lab 6 will be 1 st Team project lab �Lab 13 is in lab project time �Lab 14 is presentations �If you do not have a group soon, I will assign groups at that lab

Domain Name System �DNS is used for name resolutions �Converts domain names into IP addresses �DNS server on Linux is "bind“ �bind 9 is the latest version �Purpose of the lab is to understand how DNS works by implementing your own subzone �This lab will do zone transfers � All clients in the lab should be able to get your workstation addresses

Domain Name System �Lab domain is hades. lab �Glue Record �The lab server has a glue record for your sub domain �Your subdomain must match the glue record �Check Web site if you are not sure what your subdomain IP is �If glue records not working: �Document what occurs

Domain Name System �Remember: Both IP address and subzone name must match the lab server's glue record �Make sure the subzone file is correct �The email address is separated by dots, not an @ �Increment serial number each time you change the zone file � Use the Standard notation for the serial!

Troubleshooting �Use logs to find errors - CHECK SERIAL NUMBER �Use dig to test �Make sure you pay attention to the status and the ANSWER SECTION

DNSSEC �Write down key file names - Pay attention to the instructions �If you make changes to the zone file, you must resign the zone for DNSSEC to work properly �Again: Check the log file to verify proper zone serial number and if DNSSEC is working

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