ahost: add page (#8554)

* ahost: add page

* Update pages/linux/ahost.md

pages/linux/ahost.md

@@ -0,0 +1,16 @@
+# ahost
+
+> DNS lookup utility to display the A or AAAA record linked with a hostname or IP address.
+> More information: <https://manned.org/ahost>.
+
+- Print an `A` or `AAAA` record associated with a hostname or IP address:
+
+`ahost {{example.com}}`
+
+- Display some extra debugging output:
+
+`ahost -d {{example.com}}`
+
+- Display the record with a specified type:
+
+`ahost -t {{a|aaaa|u}} {{example.com}}`