Вы можете использовать 1.1.1.1 или 9.9.9.9 сейчас. Та же самая проблема произошла со мной, и она была решена с помощью другого DNS.
➤ dig @1.1.1.1 instagram.com ; <<>> DiG 9.9.7 <<>> @1.1.1.1 instagram.com ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13588 ;; flags: qr rd ra; QUERY: 1, ANSWER: 8, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1536 ;; QUESTION SECTION: ;instagram.com. IN A ;; ANSWER SECTION: instagram.com. 46 IN A 34.196.146.111 instagram.com. 46 IN A 34.197.120.12 instagram.com. 46 IN A 34.198.37.229 instagram.com. 46 IN A 34.207.2.165 instagram.com. 46 IN A 34.224.177.19 instagram.com. 46 IN A 35.153.247.41 instagram.com. 46 IN A 52.44.104.241 instagram.com. 46 IN A 52.204.232.145 ;; Query time: 260 msec ;; SERVER: 1.1.1.1#53(1.1.1.1) ;; WHEN: Tue Apr 24 15:50:49 AST 2018 ;; MSG SIZE rcvd: 170 ✔ ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── [2018-04-24 15:50.49] ~ ➤ dig @8.8.8.8 instagram.com ; <<>> DiG 9.9.7 <<>> @8.8.8.8 instagram.com ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 1926 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;instagram.com. IN A ;; Query time: 168 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Tue Apr 24 15:51:02 AST 2018 ;; MSG SIZE rcvd: 42