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173 posts

Master Geek


#268304 11-Mar-2020 09:59
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Had a couple of clients ring me with internet related issues this morning. In both cases its because they have DNS servers with hard coded external forwarders to query and Vodafone appear to have made some changes.

 

I googled Vodafone DNS and got these two (Which were also what PPP appears to be giving out currently)

 

203.109.191.1
203.118.191.1

 

In both cases they were using older DNS servers - This I guess is a bit of a trap for Windows server admins to make sure these are up to date - I had an issue a few weeks back where a mail server was using the old Paradise DNS servers as secondary and it meant every now and again it hit them for MX lookups and got old stale MX records for domains that where once upon-a-time on Paradises mail platform so the MX record pointed to their Mail servers - Pretty bad to still have DNS servers up and listening but giving bad records.

Today I had one server using

 

203.109.129.67
203.109.129.68

 

Which were the DNS servers of choice some time back with Vodafone (They still reverse lookup as ns1 and ns2.ihug.co.nz) but they time out on queries. The fustration is that Vodafone seem to make changes to their DNS servers more than any other ISP due to all of the buy-ups of ISP's over the years and the very slow absorbtion. 

 

Funilly enough on another server they were using ns1.clear.net.nz and ns1.acld.clix.net.nz which are more of the DNS servers given out by Vodafone/Telstraclear/Iug/Paradise over the years.

Both of these seem to still be functioning ok but I updated them anyway - Not to go and look at other clients with Vodafone and see what old stale records their forwarders are pointing to.

I know there are ways to use root hints etc but in the past there have been issues with reliability and closest fastest mirrors etc when not using the correct ISP offered DNS servers - For example I've seen google maps run much faster and smoother using a local ISP DNS but maybe this is a thing of the past.

What do others recommend with regards DNS - Root hints? Google DNS (8.8.8.8) ?

My outside view may be wrong on Vodafone but I feel like the lack of true integration of the various ISP's they've purchased over the years has caused the odd issue with parts of their client base not working due to faults in parts of the network.

 

 


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Uber Geek

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  #2436185 11-Mar-2020 10:06
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Our work internet connection was getting moved from Vodafone next generation services to Vodafone last night and we were advised 1 to 2 minutes down time and as of 10:05am no phones or internet at work



173 posts

Master Geek


  #2436322 11-Mar-2020 13:07
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Linux: Our work internet connection was getting moved from Vodafone next generation services to Vodafone last night and we were advised 1 to 2 minutes down time and as of 10:05am no phones or internet at work

 

I once had a client moving building - The Vodafone account manager was given all the information and said, no problem - We'll just shift services on the day. I like to have a new connection ready and tested in advance but she just said no.

 

On the day they started physically moving and I rang the manager and asked to have the services shifted. She rang back in an hour to say "Oh, there are no services available in that street as the cable was severed in the earthquake" - Luckily through contacts etc we got Chorus out and digging a hole a few days later and patching but she'd done NOTHING to check the new address ever. We had to get temporary 4G connections up (Long before ISP's offered 4G connections as easily as they do now) all because of one very useless Vodafone account manager.

 

Granted this was a little unusual due to the Earthquake but this was actually 18 months or most where this client was the first to move into a newly built building in a significant street in Christchurch. Chorus new there were no services and were waiting for demand before they fixed the lines and Vodafone just never checked.

 

 


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