בדקו רשומות TXT DNS

dig

Quick way to get DNS TXT records under Linux is use the dig command:

# dig google.com TXT

To look up DKIM or DMARC records, you specify the prefix in the domain such as:

# dig _dmarc.google.com TXT

nslookup

Linux or Windows 7 DOS shell can be used to retrieve the DNS TXT records for a domain using the same command:

# nslookup
> server google-public-dns-a.google.com
> set type=txt
> google.com

The result is:


Server: google-public-dns-a.google.com
Address: 8.8.8.8#53
google.com text = "v=spf1 include:_netblocks.google.com ip4:216.73.93.70/31 ip4:216.73.93.72/31 ~all"

The server directive in the command above allows us to check the DNS TXT records using the DNS server where the timeout problem is occurring. Without this directive, you would be troubleshooting against your own local DNS server such as that provided by your ISP.

September 30th, 2012 פורסם על ידי ג'ון Jaroker הגיש ב: פתרון בעיות דוא"ל

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