Technology and Beyond (TaB) - Related to DDNS: ip not updated correctly

It seems that "./update_dns.sh" will add the new record correctly but do not remove the old one:

After changing "curl ifconfig.me" (this gave me an error) to "curl http://www.pkill.info/whoami/myip/" (as suggested in Eric's reply), I followed Amoner's instruction and `dig` worked correctly:

Code:

dig wretar.dthink.net @115.231.209.243

...

;; ANSWER SECTION:

wretar.dthink.net.    600    IN    A    119.63.98.21

But after I changed $ip in "update_dns.sh" and ran it again, `dig` gave me the following result:

Code:

;; ANSWER SECTION:

wretar.dthink.net.    600    IN    A    119.63.98.21

wretar.dthink.net.    600    IN    A    143.89.135.171

Maybe this is because that "update_dns.sh" only adds the new ip but does not remove the old one:

Code:

echo "update add $host 600 A $ip" >> dns_file

(08-24-2015 06:36 PM)Clara Wrote: [ -> ]It seems that "./update_dns.sh" will add the new record correctly but do not remove the old one:

After changing "curl ifconfig.me" (this gave me an error) to "curl http://www.pkill.info/whoami/myip/" (as suggested in Eric's reply), I followed Amoner's instruction and `dig` worked correctly:

Code:

dig wretar.dthink.net @115.231.209.243 ... ;; ANSWER SECTION: wretar.dthink.net. 600 IN A 119.63.98.21

But after I changed $ip in "update_dns.sh" and ran it again, `dig` gave me the following result:

Code:

;; ANSWER SECTION: wretar.dthink.net. 600 IN A 119.63.98.21 wretar.dthink.net. 600 IN A 143.89.135.171

Maybe this is because that "update_dns.sh" only adds the new ip but does not remove the old one:

Code:

echo "update add $host 600 A $ip" >> dns_file

Yes, It should delete exist record before update new one.

Fixed in commit ba6d54cb1674cfed31baf676b314a9474b5fa57d, please try again.

FYI: The usage is same as before, you need to change `curl` to get IP.

It may takes a few mins to effective.

(08-25-2015 12:24 AM)amoners Wrote: [ -> ]Yes, It should delete exist record before update new one.

Fixed in commit ba6d54cb1674cfed31baf676b314a9474b5fa57d, please try again.

FYI: The usage is same as before, you need to change `curl` to get IP.

It may takes a few mins to effective.

It works smoothly now.
Thank you!

(08-25-2015 09:47 AM)Clara Wrote: [ -> ]
(08-25-2015 12:24 AM)amoners Wrote: [ -> ]Yes, It should delete exist record before update new one.

Fixed in commit ba6d54cb1674cfed31baf676b314a9474b5fa57d, please try again.

FYI: The usage is same as before, you need to change `curl` to get IP.

It may takes a few mins to effective.

It works smoothly now.
Thank you!

Ok, Moved to 'Complete work'.