<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">This basically affects sites using really old Windows DNS servers (Microsoft decided to make them only respond once with FORMERR so if that message is lost they appear to be dead until the timer clears) and those using firewalls that block EDNS queries. If you use such firewalls they are really doing nothing useful. <div><br></div><div>Most of the other errors reported are benign as far as DNS flag day is concerned. </div><div><br></div><div>Also apart from the public DNS resolvers people need to install updated software that has the work arounds removed.</div><div><div><div><br></div><div>Mark<br><div id="AppleMailSignature" dir="ltr">-- <div>Mark Andrews</div></div><div dir="ltr"><br>On 31 Jan 2019, at 12:22, Matthew Petach <<a href="mailto:mpetach@netflight.com">mpetach@netflight.com</a>> wrote:<br><br></div><blockquote type="cite"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jan 23, 2019 at 4:12 PM Brian Kantor <<a href="mailto:Brian@ampr.org">Brian@ampr.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Quoting from the web site at <a href="https://dnsflagday.net/" rel="noreferrer" target="_blank">https://dnsflagday.net/</a><br></blockquote><div>[...] <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
The current DNS is unnecessarily slow and suffers from inability <br>
to deploy new features. To remediate these problems, vendors of<br>
DNS software and also big public DNS providers are going to<br>
remove certain workarounds on February 1st, 2019.<br></blockquote></div><div class="gmail_quote"><br></div><div class="gmail_quote">I would like to note that there is an entire <br></div><div class="gmail_quote">segment of the population that does not </div><div class="gmail_quote">interact with technology between sundown <br></div><div class="gmail_quote">on Friday, all the way through Sunday <br></div><div class="gmail_quote">morning.</div><div class="gmail_quote"><br></div><div class="gmail_quote">Choosing Friday as a day to carry out an <br></div><div class="gmail_quote">operational change of this sort does not <br></div><div class="gmail_quote">seem to have given thought that if things <br></div><div class="gmail_quote">break, there is a possibility they will have <br></div><div class="gmail_quote">to stay broken for at least a full day before <br></div><div class="gmail_quote">the right people can be engaged to work on <br></div><div class="gmail_quote">the issue. <br></div><div class="gmail_quote"><br></div><div class="gmail_quote">In the future, can we try to schedule such events <br></div><div class="gmail_quote">with more consideration on which day the change <br></div><div class="gmail_quote">will take place?</div><div class="gmail_quote"><br></div><div class="gmail_quote">I will also note that this weekend is the Superbowl <br></div><div class="gmail_quote">in the US; one of the bigger advertising events of the <br></div><div class="gmail_quote">year. Potentially breaking advertising systems that <br></div><div class="gmail_quote">rely on DNS two days before a major, once-a-year <br></div><div class="gmail_quote">advertising event is *also* somewhat inconsiderate. <br></div><div class="gmail_quote"><br></div><div class="gmail_quote">While I understand that no day will work for everyone, <br></div><div class="gmail_quote">and at some point you just have to pick a day and go <br></div><div class="gmail_quote">for it, I will note that picking the Friday before the <br></div><div class="gmail_quote">Superbowl does seem like a very unfortunate random <br></div><div class="gmail_quote">pick for a day on which to do it. <br></div><div class="gmail_quote"><br></div><div class="gmail_quote">Any chance this could wait until say the Tuesday <br></div><div class="gmail_quote">*after* the Superbowl, when we aren't cutting an <br></div><div class="gmail_quote">entire religion's worth of potential workers out of <br></div><div class="gmail_quote">the workforce available to fix issues in case it <br></div><div class="gmail_quote">turns out to be a bigger problem than is expected, <br></div><div class="gmail_quote">and when we have less chance of annoying the <br></div><div class="gmail_quote">vast army of football-loving fans of every sort? <br></div><div class="gmail_quote"><br></div><div class="gmail_quote">Thanks!</div><div class="gmail_quote"><br></div><div class="gmail_quote">Matt</div><div class="gmail_quote"><br></div></div>
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