[DNS] 用於反向 DNS 查詢的 PTR 紀錄 – Reverse DNS lookup (rDNS)

Intro


PTR nslookup

利用 nslookup 對 IP 反向查詢 DNS:

$ nslookup -type=ptr {Target IP} {DNS Server}

$ nslookup -type=ptr 139.162.80.137 8.8.8.8

References

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