Dig Domains
; <<>> DiG Dig.Domains <<>> any 56.155.104.in-addr.arpa
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13764
;; flags: qr rd ra; QUERY: 1, ANSWER: 14, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;56.155.104.in-addr.arpa. IN ANY

;; ANSWER SECTION:
56.155.104.in-addr.arpa. 21599 IN NS ns-gce-public1.googledomains.com.
56.155.104.in-addr.arpa. 21599 IN NS ns-gce-public2.googledomains.com.
56.155.104.in-addr.arpa. 21599 IN NS ns-gce-public3.googledomains.com.
56.155.104.in-addr.arpa. 21599 IN NS ns-gce-public4.googledomains.com.
56.155.104.in-addr.arpa. 21599 IN RRSIG	NS 8 5 21600 (
				20181014124838 20180922124838 37939 56.155.104.in-addr.arpa.
				QSSAgLazMcDDNOolIoqGK+nu+LoKbZvK/bLySog3rIpljHtw4JgIZy6OtRUOvvdw
				f0p7jb1YVz8vlkzwUa1zoAf2YZL/T6KdCLEHriDws7eQ58Jjgs1XA7lqZysNQ7Pe
				VdA0Qf3XIJZrgcgwRPvoe03lQEpuTM+dkpamhPlxAHU= )
56.155.104.in-addr.arpa. 21599 IN SOA ns-gce-public1.googledomains.com. cloud-dns-hostmaster.google.com. (
				1          ; serial
				21600      ; refresh (6 hours)
				3600       ; retry (1 hour)
				259200     ; expire (3 days)
				300        ; minimum (5 minutes)
				)
56.155.104.in-addr.arpa. 21599 IN RRSIG	SOA 8 5 21600 (
				20181014124838 20180922124838 37939 56.155.104.in-addr.arpa.
				OuUNU2//gONnToUAsNAeWBGvtLmgWcViDcv26/+HDiWhzamgLhwXingaP162gMAI
				MRtojvuclkSDBw67WQx8waMtVYE9gJ6e31gKqkGIXm5fGO5QnEoG0mPFP0BRLjcI
				d40oe5GsPFkktVHLZWJzKaY2HJp+u6DZUsXT04fqyXw= )
56.155.104.in-addr.arpa. 299 IN	DNSKEY 256 3 8 (
				AwEAAYNWZVe2cWmKPD7IfF+dyv3qo8+aVMTEsm6aytzNFkebLsJ7H+ZS0u4PWWJA
				GEzfY083jeRoQRpW5fYCgNrlLuMunZXkZ1VW2ZA7yxysnZYY4ixXYz2d/hcslZr/
				soUvKYD2lpj675tZTIsScoEJqFXCwvXsrYs3JPoeOq7h0+tr
				) ; ZSK; alg = RSASHA256; key id = 37939
56.155.104.in-addr.arpa. 299 IN	DNSKEY 257 3 8 (
				AwEAAY7HYnQD3yDZgtz+ZtQeT0UALJ/TGRz/2T6iXvZylTrBecqGW5svt37NtYC9
				LuXpAdGKNZZ2/53bcBTldQpm8ut/2prC14UKdzafIZCrzMmAGUmAeiDeRGhus4xS
				8hD1jSjzuT0omtg6oCn3qwEKoUzYHOpAc7qrmJbQfxB4qZ6aRQ+eHC99qkgqsjy3
				LnaoA6HKIrojHYUazSdD6/N+kCVs6xunow9sLHQXT0rnLOFeYBIZQeoLBNWkuARQ
				XLgZ4GDM4Hil5DVwInhcfoZcm9Yqpo03wHqoS5MaXTKSG0bljFfuFOgsE3HIOXLt
				euSbLSt1sgGFJPBVhThNMDmQ6Bk=
				) ; KSK; alg = RSASHA256; key id = 9017
56.155.104.in-addr.arpa. 299 IN	RRSIG DNSKEY 8 5 300 (
				20181014124838 20180922124838 9017 56.155.104.in-addr.arpa.
				F3AdBMIczriZizc3MS69NCrSTdVzpLgC81q4vamvTXYxeDRz2fBUsAXZkMYeoBok
				Gab1GX44iq7m/k1YAelZWnqXpjieulOvNvcvEW+hD30XNvEWPAvoItgRQMfy9Z79
				OAeEO0jJ/Wj3b3X+/kgnH/Nih4VllhqW+Lq3gJCIUyTQyIDVrqjThPbWvspE22RM
				zhxLUYnov/QNxyNOsp49pC6S2IA9S0qZnC++7FX12XiYwmj7TDbZM/4V+0Py0MPq
				Bmwmhx/zMDZwGqzAurIRcZ2DY3yBgin4a52UN6b8md8GgSokkaRi6L60rEBP3Wxv
				PdFG4zJH+M73esECpomVkw== )
56.155.104.in-addr.arpa. 4 IN NSEC3PARAM 1 0 1 DB13787B38E234A0
56.155.104.in-addr.arpa. 4 IN RRSIG NSEC3PARAM 8 5 0 (
				20181014124838 20180922124838 37939 56.155.104.in-addr.arpa.
				ATXNK3SiPMQjHZvo3tT/X6xY8EqLiCXQTE5/q3N/b5oKa1jujz9wqzeLvBeKGWG2
				fVIUYCSdDL2ji+lTJrbOEhuUwHLOhgKTk5aTtjY4zLZj77RlmMIWcrMkToAWgFQu
				2kZVK6B8uC2NGM2f9m1Z4OEJrN0O1GSxlBnAuVhyHjA= )
56.155.104.in-addr.arpa. 299 IN	TYPE59 \# 36 ( 23390802AD7432698396CDDA22FE8632E1376D42D7946D07EF42B9FB72DEBD62
				771961CA )
56.155.104.in-addr.arpa. 299 IN	RRSIG TYPE59 8 5 300 (
				20181014124838 20180922124838 37939 56.155.104.in-addr.arpa.
				HJmWAtFIaRu3Xx4sOsPXH58jfu7I+ZFJKuQvDNKxIkDOAt3UtNW14N78KVCQjClS
				O80yeIKSJRm9gQUKuQG9biyK94ep0sFZnsW0AiMZrxPSpABNXVZ9/yr5OE1G3oi2
				+l1LyqvUEkpEMTLmjaTVBzSuD6PHAdQrYfp1QURnuDk= )

;; Query time: 29 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Tue Sep 25 06:56:27 EDT 2018
;; MSG SIZE  rcvd: 1789


Check the DNS Propagation for 56.155.104.in-addr.arpa