PTR lookup of 'www.bing.com'

No PTR record :(

Unable to find any PTR-records for the specified domain/ip :(

IP lookup

dual-a-0001.a-msedge.net
A
13.107.21.200
dual-a-0001.a-msedge.net
AAAA
2620:1ec:c11::200
A
204.79.197.200

PTR answers

204.79.197.200
PTR
a-0001.a-msedge.net

Log

+000
  • Resolving host 'www.bing.com'
+086
  • IP's found: dual-a-0001.a-msedge.net (13.107.21.200), dual-a-0001.a-msedge.net (204.79.197.200), dual-a-0001.a-msedge.net (2620:1ec:c11::200)
+086
  • Multiple IPs to check - public DNS-resolvers will be used (Google and OpenDNS)
+086
  • Resolving PTR record of '13.107.21.200'
+096
  • ERRNo PTR record availible
    DNS server '8.8.4.4' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '200.21.107.13.in-addr.arpa'.
+096
  • Resolving PTR record of '204.79.197.200'
+106
  • PTR-record resolved in a total of 8ms. Responding DNS-server: 8.8.8.8.
+106
  • Resolving PTR record of '2620:1ec:c11::200'
+126
  • ERRNo PTR record availible
    DNS server '8.8.8.8' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.1.c.0.c.e.1.0.0.2.6.2.ip6.arpa'.