Sì è così, agendo o sulla cache o direttamente sul dns tu credi di andare su paypal.com (64.4.250.36) ma in realtà vai su paypal.com (1.2.3.4) e non te ne accorgi
Riguardo al dominio emails.paypal.com invece qualcuno mente :-D
codice:
paypal.com. 172800 IN NS pdns100.ultradns.net.
paypal.com. 172800 IN NS pdns100.ultradns.com.
paypal.com. 172800 IN NS ns1.p57.dynect.net.
paypal.com. 172800 IN NS ns2.p57.dynect.net.
paypal.com. 86400 IN DS 34800 13 2 D9E64BA8C8718FD93B596F9D109D9DAC47C3F557312201DFCCE5DD41 28C08F50
paypal.com. 86400 IN RRSIG DS 8 2 86400 20230303064544 20230224053544 36739 com. Er6c19lSwcFfU/hBy7penYXOE+BL8umMYJNwcnrFwck59oMtF4L07N74 rtWKNy224IUnSilEaWmGRJqhMMlMhjWj+6cJtVMAIJByC6bBhhK30MdX nHTtdc2ym0+FRCO4Aqe/5pxyHIwguVXmTQcnBPC1aOpNmHoYDx9elj
ZV DkUPPj3FAiRadnhGTskt92LIzDvAKMTkxApgRT9OfZB5Lg==
;; Received 445 bytes from 192.43.172.30#53(i.gtld-servers.net) in 48 ms
emails.paypal.com. 300 IN A 13.111.204.15
emails.paypal.com. 300 IN RRSIG A 13 3 300 20230228024231 20230224022212 21471 paypal.com. 2DxV1wkRmCF6ykWbM4bbTwY8mb1cUv7xbpRuYuQ3M+H0jvd4tqbbBS2e f3AkK6bFbX5RWQv2GrR6VZrRUkC9HQ==
paypal.com. 300 IN NS ns1.p57.dynect.net.
paypal.com. 300 IN NS ns2.p57.dynect.net.
paypal.com. 300 IN NS pdns100.ultradns.com.
paypal.com. 300 IN NS pdns100.ultradns.net.
paypal.com. 300 IN RRSIG NS 13 2 300 20230228003441 20230223235758 21471 paypal.com. a1kjHJAQVPFYchsnAosu/RVjaNISyiK+O1evSbF0SZIVdyudrRqpdw8o 8luQIjdomzDTwlZgZQRWcQecJR/EdQ==
codice:
paypal.com. 172800 IN NS pdns100.ultradns.net.
paypal.com. 172800 IN NS pdns100.ultradns.com.
paypal.com. 172800 IN NS ns1.p57.dynect.net.
paypal.com. 172800 IN NS ns2.p57.dynect.net.
paypal.com. 86400 IN DS 34800 13 2 D9E64BA8C8718FD93B596F9D109D9DAC47C3F557312201DFCCE5DD41 28C08F50
paypal.com. 86400 IN RRSIG DS 8 2 86400 20230303064544 20230224053544 36739 com. Er6c19lSwcFfU/hBy7penYXOE+BL8umMYJNwcnrFwck59oMtF4L07N74 rtWKNy224IUnSilEaWmGRJqhMMlMhjWj+6cJtVMAIJByC6bBhhK30MdX nHTtdc2ym0+FRCO4Aqe/5pxyHIwguVXmTQcnBPC1aOpNmHoYDx9elj
ZV DkUPPj3FAiRadnhGTskt92LIzDvAKMTkxApgRT9OfZB5Lg==
;; Received 438 bytes from 192.33.14.30#53(b.gtld-servers.net) in 36 ms
paypal.com. 300 IN A 64.4.250.36
paypal.com. 300 IN A 64.4.250.37
paypal.com. 300 IN RRSIG A 13 2 300 20230228031148 20230224025619 21471 paypal.com. 7FxaFoTPGEZOmdSX6EQMDjd+nplx/vsnDOzKxO/pR08lwtn/oODtz2SC 6ouKw8D+zcXb4ukAFsPBiST52zrxdA==
paypal.com. 300 IN NS ns1.p57.dynect.net.
paypal.com. 300 IN NS pdns100.ultradns.net.
paypal.com. 300 IN NS pdns100.ultradns.com.
paypal.com. 300 IN NS ns2.p57.dynect.net.
paypal.com. 300 IN RRSIG NS 13 2 300 20230228003441 20230223235758 21471 paypal.com. a1kjHJAQVPFYchsnAosu/RVjaNISyiK+O1evSbF0SZIVdyudrRqpdw8o 8luQIjdomzDTwlZgZQRWcQecJR/EdQ==
;; Received 429 bytes from 108.59.162.57#53(ns2.p57.dynect.net) in 40 ms