PTR lookup of 'expresso.blog'

No PTR record :(

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

IP lookup

expresso.blog
AAAA
2a00:4b40:aaaa:2001::5
expresso.blog
A
37.9.175.131

PTR answers

37.9.175.131
PTR
ing.r1.websupport.sk

Log

+000
  • Resolving host 'expresso.blog'
+027
  • IP's found: expresso.blog (37.9.175.131), expresso.blog (2a00:4b40:aaaa:2001::5)
+027
  • Resolving PTR record of '37.9.175.131'
+543
  • PTR-record resolved in a total of 515ms. Responding DNS-server: ns3.websupport.sk.
+543
  • Resolving PTR record of '2a00:4b40:aaaa:2001::5'
+902
  • ERRNo PTR record availible
    DNS server 'ns3.lacnic.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.2.a.a.a.a.0.4.b.4.0.0.a.2.ip6.arpa'.
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