Ok..the last DNS question. I've been on a DNS kick lately. So when poking around, I keep bumping sites that have txt records all with cryptic, but yet similar text in them.. Something like:
What are these for? I keep getting referred to SPF for sending email, but it doesn't seem right.. who looks at these numbers? CNN alone has like 25 TXT records all with these types of numbers.
Hi Guru's,
I need to create 3 files with the contents "ABC" using single command.
Iam using:
echo "ABC" > file1.txt file2.txt file3.txt
the above command is not working. pls help me...
With Regards / Ganapati (4 Replies)
Greetings,
I would like to extract records from a fixed width text file that have unique field elements.
Data is structured like this:
John A Smith NY
Mary C Jones WA
Adam J Clark PA
Mary Jones WA
Fieldname / start-end position
Firstname 1-10... (8 Replies)
how can I find cpu usage memory usage swap usage and
I want to know CPU usage above X% and contiue Y times and memory usage above X % and contiue Y times
my final destination is monitor process
logical volume usage above X % and number of Logical voluage above
can I not to... (3 Replies)
One way I was told to do was incase strings in quotes.
But I was given this option if I can get it to work.
Will this work for splitting up SPF records?
I am try to make bx.example.com reference spf.eu.***, spfa.eu.***, spfb.eu.***, and spfc.eu.***.
spf.eu.example.com 3600 IN TXT "v=spf1... (0 Replies)
Dear all,
I want to use robots.txt to control the "spider". can i specify a IP address to ALLOW the website can be accessed by the "spider"??
thank you.
Rick (4 Replies)
I have a diff command that does what I want but when comparing large text/log files, it uses up all the memory I have (sometimes over 8gig of memory)
diff file1.txt file2.txt | grep '^<'| awk '{$1="";print $0}' | sed 's/^ *//'
Is there a better more efficient way to find the lines in one file... (5 Replies)
This is appending a column.
My question is fairly simple. I have a program generating data in a form like so:
1 20
2 22
3 23
4 12
5 43
For ever iteration I'm generating this data. I have the basic idea with cut -f 2 fileA.txt | paste -d >> FileB.txt ???? I want FileB.txt to grow, and... (4 Replies)
I want to add/append the info in the following format to my.txt file.
20130702|abcd20130702.txt FN|SN|DOB
I tried the below script but it throws me some exceptions.
<#!/bin/sh
dt = date '+%y%m%d'members;
echo $dt+|+members+$dt;
/usr/bin/awk -f
BEGIN { FS="|"; OFS="|"; } { print... (6 Replies)
Dear all,
I have a huge txt file (DATA.txt) with the following content . From this txt file, I want the following output using some shell script.
Any help is greatly appreciated.
Greetings,
emily
DATA.txt (snippet of the huge text file)
407202849... (2 Replies)
Discussion started by: emily
2 Replies
LEARN ABOUT PHP
checkdnsrr
CHECKDNSRR(3) 1 CHECKDNSRR(3)checkdnsrr - Check DNS records corresponding to a given Internet host name or IP addressSYNOPSIS
bool checkdnsrr (string $host, [string $type = "MX"])
DESCRIPTION
Searches DNS for records of type $type corresponding to $host.
PARAMETERS
o $host
-$host may either be the IP address in dotted-quad notation or the host name.
o $type
-$type may be any one of: A, MX, NS, SOA, PTR, CNAME, AAAA, A6, SRV, NAPTR, TXT or ANY.
RETURN VALUES
Returns TRUE if any records are found; returns FALSE if no records were found or if an error occurred.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on Windows plat- |
| | forms. |
| | |
| 5.2.4 | |
| | |
| | TXT $type was added. |
| | |
+--------+---------------------------------------------------+
NOTES
Note
For compatibility with Windows before this was implemented, then try the PEAR class Net_DNS.
SEE ALSO dns_get_record(3), getmxrr(3), gethostbyaddr(3), gethostbyname(3), gethostbynamel(3), the named(8) manual page.
PHP Documentation Group CHECKDNSRR(3)