December 7, 2022
2 min learn
Do the emails you ship typically find yourself within the e mail recipient’s spam folder? It might be that one cause is that you have not used PTR information in your mail server.
Actually, what anyway PTR information that?
Well, you will discover the reply on this article. We may also talk about how to examine the PTR report to see you probably have used it.
Already curious? Immediately, let’s have a look at the article to the top!
What are PTR Records?
PTR information are a kind of DNS report that map IP addresses to host addresses. The aim is to do a DNS lookup or confirm whether or not the proprietor of the IP tackle sending the e-mail is similar as the e-mail despatched. If it would not match, the e-mail might be marked as spam or not even despatched to the recipient.
In a approach, the perform of the PTR report is to safe the mail server from spam e mail senders. This is finished as a result of spammers normally use pretend domains. That’s why, it’s essential to add this report should you use a mail server to ship emails on a massive scale.
So, to discover out whether or not you have got used a PTR report or not, you possibly can apply the next PTR report examine strategies.
PTR report examine could be executed within the following two methods:
1. How to Check the PTR Record with the Nslookup Command (Windows OS)
Usually, Windows or Unix techniques have already got a instrument like Command Prompt that can be utilized to examine DNS information.
For you Windows customersobserve the steps under to carry out a PTR report examine:
1. Type cmd in Windows Start Menuthen press enter.
2. Then a show will seem display Command Prompt as follows.
3. To examine the hostname of the IP tackle, kind the command under (change IP_ADDRESS to the right IP).
4. If you need to carry out a PTR report examine from the IP tackle 54.243.154.xx, you will note outcomes like the next.
C:UsersASUS>nslookup 54.243.154.xxx Server: server1.yourisp.com Address: 121.91.3.xx Name: ec2-54-243-154-49.hostinger.com Address: 54.243.154.xx
So, the PTR report of the above IP tackle is ec2-54-243-154-49.hostinger.com
2. How to Check the PTR Record Using the Dig Command (Linux and Mac)
For Linux or Mac customersthe steps are nearly the identical:
1. Press the button F4 to entry the terminal from the launcher on MacOS. For Linux customers, hit the button Ctrl+Alt+Q concurrently.
2. Use instructions under to do a PTR report examine (do not forget to change IP_ADDRESS with actual IP).
dig -x IP_ADDRESS
3. If you need to examine the PTR report of IP 54.243.154.xx, the consequence will appear like this.
dmins-Mac-mini:~ domantas$ dig -x 54.243.154.xx ; <<>> DiG 9.8.3-P1 <<>> -x 54.243.154.xx ;; international choices: +cmd ;; Got reply: ;; ->>HEADER<<- opcode: QUERY, standing: NOERROR, id: 26997 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;xx.154.243.54.in-addr.arpa. IN PTR ;; ANSWER SECTION: xx.154.243.54.in-addr.arpa. 250 IN PTR ec2-54-243-154-49.hostinger.com ;; Query time: 34 msec ;; SERVER: 3184.108.40.206#53(220.127.116.11) ;; WHEN: Fri Dec 30 11:38:29 2016 ;; MSG SIZE rcvd: 99
PTR report could be seen in part ANSWER SECTIONthat’s:
3. How to Check the PTR Record Through Online Tools
Alternatively, you should utilize a reverse lookup instrument like Nslookup.io. Just enter the IP tackle within the supplied area, then press the button Find PTR Records.
Happy! Now you possibly can apply how to examine the PTR report by following the information above.
You already perceive what a PTR report is, proper?
PTR report is a kind of DNS report which is answerable for stopping the e-mail you ship from going to spam recipients. This is as a result of this report kind permits e mail recipients to match hostnames with IP addresses.
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