RRSIG nethuis.nl/MX alg 8, id 37854: With a TTL of 2419200 the RRSIG RR can be in the cache of a non-validating resolver until 20 days after it expires at 2021-05-13 00:00:00+00:00. See RFC 4035, Sec. 5.3.3.
nethuis.nl zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (195.8.195.195, 2a01:7c8:f:c1f::195)
nethuis.nl/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (2a01:7c8:f:c1f::195, TCP_-_EDNS0_4096_D_N)
nethuis.nl/SOA: No response was received from the server over TCP (tried 5 times). See RFC 1035, Sec. 4.2. (195.8.195.195, TCP_-_EDNS0_4096_D_N)