Greetings ( + )!( + )
On Sep 28, 2005, at 4:09 PM, Clark Martin wrote:
At 8:43 AM -0700 9/28/05, Harry Freeman wrote:
Greetings ( + )!( + )
On Sep 28, 2005, at 8:05 AM, Len Gerstel wrote:
On Wednesday, September 28, 2005, at 10:42 AM, Bill Judson wrote:
<<
BTW, R.A. Cantrell, your tinyurl has been hijacked by aim.com, AOL's
instant messanger, and leads right to their home page, aim.com.
Not for me. Maybe you're using Netscape, which is owned by AOL?
Now that is screwy. Yesterday I clicked on your tinyurl,
http://tinyurl.com/vfvn three times, and each time it opened
AIM.com. I am using the last version of Mozilla for OS X. Today, it
goes right to your page. Anyone else ever notice this happen?
Len
--
It's your ISP fault, they were not translating the TCPIP name
"http://tinyurl.com/vfvn"; into the correct TCPIP address.
If you go into "Applications, Utilities" and start the application
Network Utility you can lookup the TCPIP address of www.tinyurl.com/
which is 216.234.186.14
If you place this TCPIP address into your browser window the ISP
doesn't need to translate the name to address.
What you just describe is exactly the same as putting the domain name
into the browser. The browser does a DN lookup on www.tinyurl.com and
turns it into 216.234.186.14.
You get lots more than just the IP address when you do a "lookup" in
the Network Utility, in-fact that process takes you to the Authority
that is controlling that Domain Name.
You get lot's more than just the IP address you get:
----------------------------------------------------
Lookup has started ...
; <<>> DiG 9.2.2 <<>> www.tinyurl.com any
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5932
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3
;; QUESTION SECTION:
;www.tinyurl.com. IN ANY
;; ANSWER SECTION:
www.tinyurl.com. 3600 IN A 216.234.186.14
;; AUTHORITY SECTION:
tinyurl.com. 3355 IN NS ns1.tera-byte.com.
tinyurl.com. 3355 IN NS ns2.tera-byte.com.
tinyurl.com. 3355 IN NS ns3.tera-byte.com.
;; ADDITIONAL SECTION:
ns1.tera-byte.com. 116086 IN A 216.234.161.11
ns2.tera-byte.com. 135222 IN A 216.234.161.12
ns3.tera-byte.com. 81006 IN A 204.209.56.2
;; Query time: 95 msec
;; SERVER: 192.168.2.1#53(192.168.2.1)
;; WHEN: Thu Sep 29 09:18:32 2005
;; MSG SIZE rcvd: 176
----------------------------------------------------
You also used to also get the name, address, company name (if any) and
the telephone number of the person that listed the IP name. But there
were many complaints and it was decided that the name and address could
be blocked if the lister wanted it blocked.
The only part your ISP has in it is the DNS (Domain Name Server)
Distributed Name Service (DNS) or sometimes called The Domain Name
System
that the Domain Name Resolver on your computer
This is not a function of your computer.
uses to lookup the address. Yes, if their DNS is screwy this could
happen.
I don't agree, because when you place a name into your browser your ISP
uses the DNS that they have chosen, unless you have made a conscious
choice in your Network Configuration of a DNS that you would prefer to
use (comcast.net wont let you chose a DNS). Even then I'm not sure if
that would be your ISP's first choice of DNS. If you haven't made a
choice then your ISP uses the DNS of their choice and I wouldn't even
want to chance a guess of how many DNS servers there are in the world,
therefore an incorrect or corrupted address will not be wide spread.
At the last company that I work, Pacific Gateway Exchange, Burlingame,
we provided an ISP, (which was really an ISP's, ISP as we were a
backbone provider) called pgexpress.com (a name the I suggested and got
a cash award) and we provided a DNS service to our customers. And we
were not perfect by any means. Data does get slued.
I would tend to think it's more a problem with tinyurl or the cutting
and pasting of the URL. Since tinyurl is a domain is a URL
redirection service loosing or changing a single character off of the
end could send the browser to anywhere pretty much.
I would assume that like most of us that cutting and pasting wasn't
necessary since it was in the email as a link and all that was
necessary was to click on the link which would bring up your browser
and place the link into the browser window.
This can easily happen if the URL is not properly delineated by the
"<" and ">" characters. If the URL is wrapped around a line and it
doesn't have those characters a browser will typically just pick up
what ever is on the first line and can miss additional characters. If
"<" & ">" are used the browser will pick up everything in between
those, ignoring the carraige returns.
I've tried that and unless someone is using a strange browser, placing
<http://tinyurl.com/vfvn> into the browser gets you nowhere.
However if you place http://tinyurl.com/vfvn> into the browser your
browser will start to take you somewhere and then you get redirected to
http://www.aim.com/. Even it you put in http://www.tinyurl.com/vfvn>
you still get redirected to http://www.aim.com/, but the > at the end
of every IP address doesn't cause a redirect.
Then pull-up browser history an click on the history link that took
you to AOL IM and translate that TCPIP name into their true IP
address.
I'm not sure what all this will prove, except that your ISP didn't do
a correct translation.
It's been a long time but as best as I recall the local server that
does translations for your ISP only retains a translation address for
a short period of time (don't ask how long, perhaps another lister
can furnish that info.), unless there are a lot of request for
translation. So if the local server can not do the translation the
request is forwarded to the next higher level. Sometimes this may go
on until the request reaches the national listing authority. And
somewhere along the line your request got screwed up and your ISP
sent you to the wrong address.
Unlikely as if it this was happening it would probably be happening on
a large scale.
How long is dependent on each domain name, the TTL (time to live)
value is specified on an individual case. The local DNS may also
flush it out sooner to make room for newer entries.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--
----------------------------------------------------
A comprehensive description of TCP/IP and it's "History of the
Internet" can be found at
http://en.wikipedia.org/wiki/History_of_the_Internet
Best Regards, /\*_*/\
Harry (*^_^*)
* We are all visitors to this time, this place. We are just passing
through. Our purpose here is to observe, to learn, to grow, to love...
and then we return home.
Australian Aboriginal proverb
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