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I seem to be the unlucky recipient of a 302 redirect from the blogoverflow site, and was asked by Grace Note to upload the issue here. While trying to access the DIY blog site, I'm getting bounced over to the generic SE blog page. I've tried resolving this by changing DNS servers, clearing my browser cache, and trying a different browser. Others going to the same site aren't experiencing the issue, but I'm at a loss for what's different on my system that would cause this. Here's the wget output of the redirect:

--2014-02-18 14:59:28--
Resolving (
Connecting to (||:80... c
HTTP request sent, awaiting response... 
  HTTP/1.1 302 Found
  Date: Tue, 18 Feb 2014 19:59:28 GMT
  Server: Apache
  X-Powered-By: PHP/5.4.22
  Content-Length: 1001
  Connection: close
  Content-Type: text/html; charset=UTF-8
Location: [following]
--2014-02-18 14:59:28--
Resolving (
Connecting to (||:80... conne
HTTP request sent, awaiting response... 
  HTTP/1.1 200 OK
  Cache-Control: private
  Content-Type: text/html; charset=utf-8
  X-Frame-Options: SAMEORIGIN
  Date: Tue, 18 Feb 2014 19:59:28 GMT
  Content-Length: 16775
Length: 16775 (16K) [text/html]
Saving to: ‘index.html.1’

     0K .......... ......                                     100% 1.04M=0.02s
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We're having this issue for the English blog as well (me and at least one other user) and the blog login page is a 404. Oh, it is 404 because it remaps to – Kit Z. Fox Feb 18 '14 at 22:46
And me: of the blogs listed on, only Stack Overflow, Super User, Server Fault and Gaming are working. Could it be some difference between sites with URLs of the form and, perhaps? – alexwlchan Feb 19 '14 at 0:58
Which DNS server are you using? There was a temporary problem earlier today with errant 302s but that should have persisted an hour maximum. – Nick Craver Feb 19 '14 at 1:13
@Nick My default is If I switch to, it works fine. Switch it back to default, and it's 302. – Kit Z. Fox Feb 19 '14 at 1:56
@KitFox what TTL do you get from your normal DNS server? – Nick Craver Feb 19 '14 at 1:56
@NickCraver what IP should it be resolving to for I'm getting for and .87 for, which redirects about 70% of the time. – nhinkle Feb 19 '14 at 2:09
@NickCraver also even when I do a DNS cache flush I'm still getting the 67.228 address. – nhinkle Feb 19 '14 at 2:10
@Nick I'm not sure. I'm on my work computer and I'm confused by what I'm seeing on nslookup. The longest 'default ttl' is 1 day, the shortest ttl is 5 min, and the only one that seems to be changing is right close to 2 hours. – Kit Z. Fox Feb 19 '14 at 2:14
@KitFox it looks like some DNS servers have erroneously cached a 5min to 1 hour TTL for 24 hours, there's not much we can do there besides ride it out. – Nick Craver Feb 19 '14 at 2:20
@NickCraver what's the difference between what's being served up by the different IP? Can the configuration on the server behind the "old" IPs be changed? I'm curious how we ended up with a sometimes-but-not-always 302 redirect in the first place. – nhinkle Feb 19 '14 at 2:21
@nhinkle If you look at the SOA for you can see it's pointed at ns(1-4), you can query those directly for the correct, current A record. – Nick Craver Feb 19 '14 at 2:21
@nhinkle It was erroneously pointed at the servers for redirects for about an hour this morning. We're moving our 301/302 only domains (which someone thought this was, since the root is redirected) to directly for the short-term in preparations to move DNS off our servers. – Nick Craver Feb 19 '14 at 2:23
@NickCraver thanks for the explanation. I do get the right IP when querying SE's nameserver, but it looks like I'll just have to wait it out until the changes propogate to the DNS servers I use (which I don't have control over). – nhinkle Feb 19 '14 at 2:24
@Nick I thought that might be the case. Thanks. I'll check again in 24 hours. – Kit Z. Fox Feb 19 '14 at 2:25
@nhinkle if you're curious, here are the preliminary results over the past 2 days of DNS from our servers vs via CloudFlare where we're moving: It should make quite a dent in average load will other upcoming changes... – Nick Craver Feb 19 '14 at 2:26
up vote 4 down vote accepted

This was an issue with the SOA and A records being cached really hard on some DNS servers for a day. We never had a TTL higher than 5 minutes on the A and no higher than an hour on the SOA at any point, so we're at a loss to explain why some downstream DNS servers chose to cache for a full day.

The records in question are fixed now, but if you had this issue then beware your DNS server. It, or an upstream server, is not configured properly.

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