Are wildcard DNS records bad?
TL;DR: wildcard DNS is good for wildcard services, but it’s bad practice to use wildcard DNS for static services because any errors are harder to diagnose.
How do I add a wildcard DNS record?
Create a wildcard DNS record
- In the StackPath Control Portal, in the left-side navigation menu, click DNS.
- Locate and select the desired DNS zone.
- In DNS Records, click Add Record.
- Update the blank fields. For Type, you can select any record type.
- Click Save.
What is a wildcard A record?
A wildcard DNS record is a record that answers DNS requests for any subdomain you haven’t already defined. You can create wildcard A records and CNAME records by entering an asterisk (*) in the Host field when creating a DNS record. For example, if you create the wildcard A record *.
Which record type is used for wildcard domains?
A wildcard record can be set up for the following record types: A, AAAA, ALIAS, CNAME, TXT, URL Redirect, MX. To quickly forward the wildcard subdomain to any link/URL, follow the instructions below: 1.
Can Cname be wildcard?
You can add wildcard in both A records and CNAMES. The typical example of why would you want to add a wildcard in A records is when you have dedicated IP address, say 1.2. 3.4.
How do I get a wildcard URL?
- Select the HTTP. URL option.
- In the Site field, write the URL. Use substrings with special characters — * and? . An asterisk ( * ) stands for any number of characters, a question mark (? ) represents one character.
- Click OK.
Which is an example of a wildcard DNS record?
The first A record is an example of a “www” A record. The second, a wildcard A record. The third, the root domain A record. If we “dig” the domain (etaoin.ink), we will see it shows the root domain’s IP address.
What’s the top level domain with a wildcard?
The.museum TLD also had a wildcard record which has now been removed. As of March 2018, top-level domains using a wildcard A record (other than 127.0.53.53) are.fm,.la,.ph,.pw,.vg and.ws.
Can a wildcard record override a CNAME record?
Wildcard records don’t override existing records (such as CNAME records) When you set a wildcard record, that record does not override any existing subdomain records in the zone (zone is another term for all the DNS records associated with your domain).
Why is there no wild card for host1?
No wild card will match because host1.example. exists. Instead you will get an answer of “no error, but no data”. The wildcard MX record does not provide MX records for domains that otherwise exist. sub.*.example.