Update cheatsheets

host

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# host
+
+> Lookup Domain Name Server.
+> More information: <https://manned.org/host>.
+
+- Lookup A, AAAA, and MX records of a domain:
+
+`host {{domain}}`
+
+- Lookup a field (CNAME, TXT,...) of a domain:
+
+`host -t {{field}} {{domain}}`
+
+- Reverse lookup an IP:
+
+`host {{ip_address}}`
+
+- Specify an alternate DNS server to query:
+
+`host {{domain}} {{8.8.8.8}}`