2011年10月27日 · I looked up information on a couple of domain names that I've had registered for over a decade using both tools. DNS History showed information for the first one I checked indicating that its information, which is out of date, was last updated on 2010-08-11. For the other it reported "Sorry this domain was not found".

Yes, it is possible to see DNS Server cache. Open DNS Server MMC and Click on your server. Click on View option. Advanced Option Click that. You can see Cached Lookup option. You can check cached result from there.

2015年7月2日 · The activity occurred between a specific window of time. DNS/IP has since changed. All the information I've gotten from the security team is an IP and a window of time. Question: Is there any other place I can get that log information and track down which machine had a specific IP at a specific time? I will also be asking networking to look on ...

2024年5月10日 · For one, DNS in general is not made to keep update history; the only version available from typical DNS servers is the current version. (About the only extent of changes kept in standard operation is what's needed for the authoritative servers to sync more efficiently.)

2015年5月3日 · If you suspect that the MX record update may have been the most recent change to the DNS zone, then you can always check the zone serial number in the SOA record. One very frequently used convention for the format of the serial number is YYYYmmddnn where nn is a serial number for multiple modifications made on the same day.

Using dig to see all records, first you need to know - DNS server where domain parking (example for external dns)# dig @8.8.8.8 google.com ANY (example for local dns) # dig @192.168.0.1 example.com ANY

2009年10月8日 · You can list DNS servers using any DNS client nslookup, host, dig ... with dig run dig domain.tld ns If the DNS server allow the tranfert zone that is used generally for DNS database replication and backup, you can get the zone file using the dig utility like this: dig @dns.server domain.tld axfr

2023年2月8日 · I modified some geolocation DNS records a while back (December) on AWS Route 53. But I'm now seeing some unexpected traffic changes on the service. The service traffic can be tracked easily with regular EC2 monitoring. But I …

2016年12月14日 · If your query is regarding DNS records that you set up in your own organisation than you can edit the TTL of the record. Open DNS management and ensure you have have advanced view, go to a DNS record and you will see the TTL. You can increase/decrease this to your liking assuming you are allowed to.

I need to determine when a subdomain was created. Is there a way to do that with DNS lookups? For a given top level domain like example.com, can I find out when blog.example.com was created?