I tested the following on a Ubuntu machine.
The command
ping play
results in
PING play (127.0.53.53) 56(84) bytes of data.
64 bytes from 127.0.53.53: icmp_seq=1 ttl=64 time=0.029 ms
64 bytes from 127.0.53.53: icmp_seq=2 ttl=64 time=0.036 ms
64 bytes from 127.0.53.53: icmp_seq=3 ttl=64 time=0.032 ms
64 bytes from 127.0.53.53: icmp_seq=4 ttl=64 time=0.030 ms
If I do the following:
ssh play
I can log in to my own machine localhost
.
Finally, the following:
dig play
Results in:
; <<>> DiG 9.8.3-P1 <<>> play
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55239
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 10
;; QUESTION SECTION:
;play. IN A
;; ANSWER SECTION:
play. 847 IN A 127.0.53.53
;; AUTHORITY SECTION:
play. 170047 IN NS ns-tld2.charlestonroadregistry.com.
play. 170047 IN NS ns-tld1.charlestonroadregistry.com.
play. 170047 IN NS ns-tld4.charlestonroadregistry.com.
play. 170047 IN NS ns-tld5.charlestonroadregistry.com.
play. 170047 IN NS ns-tld3.charlestonroadregistry.com.
;; ADDITIONAL SECTION:
ns-tld1.charlestonroadregistry.com. 26751 IN A 216.239.XX.XXX
ns-tld1.charlestonroadregistry.com. 26751 IN AAAA 2001:4860:4802:32::69
ns-tld2.charlestonroadregistry.com. 26751 IN A 216.239.XX.XXX
ns-tld2.charlestonroadregistry.com. 26751 IN AAAA 2001:4860:4802:34::69
ns-tld3.charlestonroadregistry.com. 26751 IN A 216.239.XX.XXX
ns-tld3.charlestonroadregistry.com. 26751 IN AAAA 2001:4860:4802:36::69
ns-tld4.charlestonroadregistry.com. 26751 IN A 216.239.XX.XXX
ns-tld4.charlestonroadregistry.com. 26751 IN AAAA 2001:4860:4802:38::69
ns-tld5.charlestonroadregistry.com. 26751 IN A 216.239.XX.XXX
ns-tld5.charlestonroadregistry.com. 26751 IN AAAA 2001:4860:4805::69
;; Query time: 4 msec
;; SERVER: 192.XXX.XXX.XXX#53(192.XXX.XXX.XXX)
;; WHEN: Mon Mar 14 16:07:58 2016
;; MSG SIZE rcvd: 394
(I replaced the octets in IP addresses by XXX's)
What is this strange 'play' host?