This indicates an attack attempt to exploit a Denial of Service vulnerability in ISC BIND.
The vulnerability is due to an error when vulnerable module handles a crafted DNS query. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system.
ISC BIND 9.10.0
ISC BIND 9.10.0-P1
ISC BIND 9.10.x prior to 9.10.3-P3
Denial of Service: Remote attackers can crash vulnerable systems or services