check_dig weirdness

[schnitzel meister]

Hi.
I have a problem with check_dig intermittently failing.

If I run it from the command line, it also fails:
# check_dig -H ip.of.dns.server -l www.google.com
DNS OK - 0.066 seconds response time (www.google.com.  5 IN CNAME
www.l.google.com.)|time=0.066127s;;;0.000000
DNS OK - 0.131 seconds response time (www.google.com.  4 IN CNAME
www.l.google.com.)|time=0.130893s;;;0.000000
DNS OK - 0.095 seconds response time (www.google.com.  3 IN CNAME
www.l.google.com.)|time=0.094743s;;;0.000000
DNS OK - 0.112 seconds response time (www.google.com.  1 IN CNAME
www.l.google.com.)|time=0.112004s;;;0.000000
DNS UNKNOWN - 0.119 seconds response time (No ANSWER SECTION
found)|time=0.119148s;;;0.000000
DNS UNKNOWN - 0.255 seconds response time (No ANSWER SECTION
found)|time=0.255138s;;;0.000000
DNS UNKNOWN - 0.157 seconds response time (No ANSWER SECTION
found)|time=0.156812s;;;0.000000
DNS UNKNOWN - 0.188 seconds response time (No ANSWER SECTION
found)|time=0.187612s;;;0.000000
DNS UNKNOWN - 0.101 seconds response time (No ANSWER SECTION
found)|time=0.100631s;;;0.000000
DNS OK - 0.121 seconds response time (www.google.com.  822 IN CNAME
www.l.google.com.)|time=0.120624s;;;0.000000
DNS OK - 0.160 seconds response time (www.google.com.  821 IN CNAME
www.l.google.com.)|time=0.159530s;;;0.000000
DNS OK - 0.152 seconds response time (www.google.com.  819 IN CNAME
www.l.google.com.)|time=0.151672s;;;0.000000

The problem happens when the number before IN CNAME gets to zero - but why?

Hope someone can solve this.


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