why/how does google find posts on www.digitalgrin.com that are 404?
jcdill
Registered Users Posts: 225 Major grins
I run a Google Alert on some topics (keywords) that I want to follow, and periodically the alert gives me results like this:
When I try to follow the link, I get a 404. If I try to traceroute to the server I get
$ traceroute www.digitalgrin.com
traceroute: unknown host www.digitalgrin.com
So How The Heck is Google locating new pages at this URL?
I get apx 2x the Google Alert hits for links in digitalgrin.com as I get in dgrin.com
Keywords with LR and smugmug - Digital Grin Photography Forum
Keywords with LR and smugmug SmugMug Support.
<http://www.digitalgrin.com/showthread.php?p=1674597>
When I try to follow the link, I get a 404. If I try to traceroute to the server I get
$ traceroute www.digitalgrin.com
traceroute: unknown host www.digitalgrin.com
So How The Heck is Google locating new pages at this URL?
I get apx 2x the Google Alert hits for links in digitalgrin.com as I get in dgrin.com
JC Dill - Equine Photographer, San Francisco & San Jose http://portfolio.jcdill.com
"Chance favors the prepared mind." ~ Ansel Adams
"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it." ~ Terry Pratchett
"Chance favors the prepared mind." ~ Ansel Adams
"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it." ~ Terry Pratchett
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Comments
Portfolio • Workshops • Facebook • Twitter
Oops. Sorry about that. I *did* include the link, exactly as it was sent by Google. Google helpfully encases the links in angle brackets, which then makes the entire thing disappear when posted here. I've attached a screenshot of how it looks in email.
http://www.digitalgrin.com/showthread.php?p=1674597
"Chance favors the prepared mind." ~ Ansel Adams
"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it." ~ Terry Pratchett
Portfolio • Workshops • Facebook • Twitter
Don
'I was older then, I'm younger than that now' ....
My Blog | Q+ | Moderator, Lightroom Forums | My Amateur Smugmug Stuff | My Blurb book Rust and Whimsy. More Rust , FaceBook .
Can you please have a networking specialist take a look at this?
I'm on AT&T/SBC DSL, using their default DSN servers, and it's clearly 404 from here:
$ traceroute www.digitalgrin.com
traceroute: unknown host www.digitalgrin.com
$ traceroute www.dgrin.com
traceroute to www.dgrin.com (208.79.45.83), 64 hops max, 40 byte packets
1 home (192.168.1.254) 5.704 ms 1.152 ms 1.709 ms
2 bras18-l0.pltnca.sbcglobal.net (151.164.184.85) 13.492 ms 15.480 ms 14.000 ms
3 76.246.22.1 (76.246.22.1) 13.028 ms 14.062 ms 12.349 ms
4 151.164.93.229 (151.164.93.229) 13.431 ms 12.870 ms 13.717 ms
5 ggr6.wswdc.ip.att.net (12.122.86.89) 13.383 ms 12.958 ms 13.707 ms
6 * * *
7 ae-23-70.car3.SanJose1.Level3.net (4.69.152.69) 17.784 ms ae-13-60.car3.SanJose1.Level3.net (4.69.152.5) 18.782 ms ae-43-90.car3.SanJose1.Level3.net (4.69.152.197) 18.130 ms
8 SMUGMUG-INC.car3.SanJose1.Level3.net (4.71.112.10) 18.204 ms 18.053 ms 17.739 ms
9 www.dgrin.com (208.79.45.83) 19.065 ms 18.743 ms 17.553 ms
$
"Chance favors the prepared mind." ~ Ansel Adams
"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it." ~ Terry Pratchett
I can certainly have someone look to see if something's amiss - but try the flushdns first, please?
Portfolio • Workshops • Facebook • Twitter
its not a search engine like Google
if you try it now , it will find this page
tried several keywords , but got no 404
/ɯoɔ˙ƃnɯƃnɯs˙ʇlɟsɐq//:dʇʇɥ
I don't know what you mean about this being the way Alert works, or that it's not a search engine like Google. Google Alerts are generated BY the Google Search Engine, when it finds a new page that matches the search/alert criteria. I've been using Google Alerts for many years, and this is the first time I've had the alert URL fail to work.
"Chance favors the prepared mind." ~ Ansel Adams
"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it." ~ Terry Pratchett
The following was done when I was online at a coffee shop in Santa Cruz earlier today:
$ dscacheutil -flushcache
$ traceroute www.digitalgrin.com
traceroute to www.digitalgrin.com (208.79.45.83), 64 hops max, 40 byte packets
1 192.168.1.1 (192.168.1.1) 9.095 ms 2.835 ms 2.838 ms
2 * * *
3 te-9-1-ur01.scotts.ca.sfba.comcast.net (68.85.101.5) 29.329 ms 14.219 ms 40.416 ms
4 * te-1-9-0-5-ar01.sfsutro.ca.sfba.comcast.net (68.87.226.206) 22.179 ms 14.794 ms
5 pos-3-0-0-0-cr01.sanjose.ca.ibone.comcast.net (68.86.90.93) 50.934 ms 46.275 ms 19.387 ms
6 te-1-3.car1.SanJose1.Level3.net (4.71.118.37) 27.361 ms * 51.108 ms
7 ae-43-90.car3.SanJose1.Level3.net (4.69.152.197) 34.386 ms 41.166 ms ae-33-80.car3.SanJose1.Level3.net (4.69.152.133) 33.663 ms
8 SMUGMUG-INC.car3.SanJose1.Level3.net (4.71.112.10) 26.251 ms 19.672 ms 30.377 ms
9 www.dgrin.com (208.79.45.83) 39.920 ms 75.112 ms 25.514 ms
Then, when I got home I tried to reach digitalgrin.com again, repeating the command that had worked previously at the coffeeshop:
$ traceroute www.digitalgrin.com
traceroute: unknown host www.digitalgrin.com
So there's clearly something that is wrong with the DNS servers for many users, not just me. If I'm on a network whose DNS servers can reach digitalgrin.com (as with the comcast network the coffee shop used), then it works. When I'm on a network whose servers can't find digitalgrin.com (such as my home AT&T/SBCGlobal DSL network), it doesn't work.
"Chance favors the prepared mind." ~ Ansel Adams
"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it." ~ Terry Pratchett
Don, what ISP do you use?
"Chance favors the prepared mind." ~ Ansel Adams
"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it." ~ Terry Pratchett
Speakeasy/MegaPath
Don
Sent from my iPod touch using Tapatalk
'I was older then, I'm younger than that now' ....
My Blog | Q+ | Moderator, Lightroom Forums | My Amateur Smugmug Stuff | My Blurb book Rust and Whimsy. More Rust , FaceBook .
"You miss 100% of the shots you don't take" - Wayne Gretzky
Thanks,
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"You miss 100% of the shots you don't take" - Wayne Gretzky