Reverse DNS records not registered when using DHCP
A-records get created in our domain's DNS but not the PTR which indeed makes sense as the Azure DHCP service won't be able to update our DNS reverse lookup zones. Ticking the 'Use this connection's DNS suffix in DNS registration' seems to work if the IP-address is static and not DHCP for all the VM's with OS 2012R2, 2016 or 2019.
ptr record - Reverse DNS Setup for an IP with multiple domains
2016年11月16日 · 24.210.31.in-addr.arpa. 14400 IN PTR ns1.domainnetwork.co.uk. in the DNS for the account give it a valid PTR record, even though this doesn't mention the account domain at all? Edit: To clarify, the ns1.domainnetwork.co.uk is the primary name server for the domain.
Reverse DNS not automatically updating on Windows DNS server
2010年11月18日 · We use windows server 2003 for DNS on our network. The forward DNS entries ("A" records) for windows machines on the domain are populated automatically. However, the reverse DNS entries ("PTR" Records) are not. The reverse lookup zone exists, and I can add entries to it manually, but it doesn't automatically populate.
Why multiple PTR records in DNS is not recommended?
2014年8月7日 · The PTR record for a reverse name (eg 7.2.0.192.in-addr.arpa) is expected to identify the canonical name that is associated with that IP address. Both the gateway pointers at network nodes and the normal host pointers at full address nodes use the PTR RR to point back to the primary domain names of the corresponding hosts.
DNS and PTR for SMTP: shared IPs and subdomains
4.3.2.1.in-addr.arpa. IN PTR server.example.com. Why is this the requirement? Because when your SMTP server connects to a remote SMTP server to deliver mail the SMTP server knows only the address of your server and not the name. With the address at hand (1.2.3.4) it queries the DNS and gets the PTR response (server.example.com).
Moving from one ISP to another; DNS PTR question
You can have the old ISP and new ISP delegate the reverse DNS zones to you now (the new ISP may not want to do this until the movetime). Add the reverse records for the old and new IP addresses to your DNS server. This ensures that your PTR will remain present and accurate throughout the switch.
how to add a REverse PTR Record on Amazon Route 53?
2011年2月12日 · The zone for reverse PTR records belong to whoever you got the IP address from. Contact them and have them add a PTR record for you. They might be willing to delegate the PTR record to you. In that case you will need a zone like X-30.254.144.168.in-addr.arpa.
Importance of PTR records on nameserver IP's? - Server Fault
2010年4月23日 · The PTR record is a must have for all Mail Servers that directly relay mails to the Internet failing which many DNS Blacklist will outright reject mails originating from the I.P Address and it could get your I.P Addresses blacklisted globally and many of the DNS Blacklists are globally replicated depending on the Blacklist.
How are DNS PTR records managed? - Server Fault
I’ve managed other DNS records often using web based interfaces, but never seen PTR records exposed in those. A DNS record of type CNAME or A is stored in the DNS zone for a specific domain such as example.com. Are the PTR records pointing at example.com typically stored in the same zone or are they stored in separate zones?
DHCP Server Not Registering PTR Records - Multiple DHCP Servers
2022年4月25日 · Forward and reverse lookup zones exist for both subnets in DNS. Clients on the main office get IP addresses from the DC in the main office, and DNS updates their A records and PTR records properly. However - in the branch office, while clients do get IP addresses, and proper A records are created, no PTR records are created ever for DHCP clients.