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Thu Oct 25, 2018, 08:59 AM

Anyone else having slow DNS resolution times?

I've been having this issue for a few days now. Any link I click on takes about 20 or so seconds to resolve, then it loads very quickly. I'm on Comcast Business and I'm using 8.8.8.8 as my Primary DNS resolver at the server DHCP level.

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Arrow 11 replies Author Time Post
Reply Anyone else having slow DNS resolution times? (Original post)
Currentsitguy Oct 25 OP
bruiserboy Oct 25 #1
Currentsitguy Oct 25 #2
bruiserboy Oct 25 #4
freedumb2003 Oct 25 #6
WhiskeyMakesMeHappy Oct 25 #3
Currentsitguy Oct 25 #5
fools_gold Oct 25 #7
It Guy Oct 25 #8
Currentsitguy Oct 25 #9
762Justice Oct 25 #10
Currentsitguy Oct 25 #11

Response to Currentsitguy (Original post)

Thu Oct 25, 2018, 09:01 AM

1. Same here

And all of our computers are brand new and we have a tech come in twice a month to service them.

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Response to bruiserboy (Reply #1)

Thu Oct 25, 2018, 09:04 AM

2. I may try a different DNS server and see if it improves.

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Response to Currentsitguy (Reply #2)

Thu Oct 25, 2018, 09:06 AM

4. We tried that and it did not help,

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Response to bruiserboy (Reply #1)

Thu Oct 25, 2018, 09:46 AM

6. SOMETHING has been happening the last few days

I am in a hotel but I noticed at home as well.

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Response to Currentsitguy (Original post)

Thu Oct 25, 2018, 09:06 AM

3. Noticed it last night trying to do a Uplay update. Plan to call them today.

I've got a bonded modum that should be getting 11mb download. Ran a speed test and it's only getting 3.

I'm with Windstream

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Response to WhiskeyMakesMeHappy (Reply #3)

Thu Oct 25, 2018, 09:09 AM

5. Not having speed issues

I'm getting a solid 150+ MB down. It's just taking forever to initially resolve the IP of any Domain names.

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Response to Currentsitguy (Original post)

Thu Oct 25, 2018, 10:20 AM

7. I am also

last three days or so. DNS takes a quite few seconds, then download speed is normal. I'm on Spectrum (old TW/Roadrunner) cable service in Central Texas. Many times I'll get a DNS timeout message, then the page appears shortly thereafter.

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Response to Currentsitguy (Original post)

Thu Oct 25, 2018, 11:41 AM

8. ISP Updating DNS

I tried looking for the article I read last week on ISP’s updating their DNS to prevent DNS hijacking. The article stated that the rollout would cause slow DNS resolving.

I haven’t experienced any problems as I use Google’s DNS server at 8.8.8.8.

Here’s what I did find on the DNS hack.

http://www.bing.com/search?q=isp+dns+hijacking&FORM=QSRE6


DNS hijacking - Wikipedia
https://en.m.wikipedia.org/wiki/DNS_hijacking

Overview
DNS hijacking or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.

These modifications may be made for malicious purposes such as phishing, or for self-serving purposes by Internet service providers (ISPs) and public/router-based online DNS server providers to direct users' web traffic to the ISP's own web servers where advertisements can be served, statistics collected, or other purposes of the ISP; and by DNS service providers to block access to selected domains as a form of censorship.

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Response to It Guy (Reply #8)

Thu Oct 25, 2018, 11:53 AM

9. 8.8.8.8 is where I am having the problem.

It seems to have improved a bit once I flushed the DHCP server's DNS cache.

Considering I am on a Domain, my workstation's DNS actually points at my Network DNS Server and it, in turn, points at 8.8.8.8 with the secondary at the Comcast Business' own DNS as fallback.

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Response to Currentsitguy (Original post)

Thu Oct 25, 2018, 12:07 PM

10. Try Cloudflare's at 1.1.1.1

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Response to 762Justice (Reply #10)

Thu Oct 25, 2018, 12:22 PM

11. Thanks! I'll give it a shot.

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