Upravo sam procitao prethodnu stranicu
Isto sam terao Cloudflare DNS.
Sta reci sem da mi je to i juce palo na pamet da probam ali nisam stigao.
Stavio sam opet stari dobri OpenDNS, clear cache na Mikrotiku i evo proradilo sve. :whip:
Sta reci?!
Kako su u stanju da postignu da im se DNS ne propagira kroz sve root servere?!
Inace, godinama (deceniju bolje reci) sam koristio OpenDNS. I sta se desilo - SBB je napravio kurslus kada su uvodili nove streaming endpointe pre godinu i po dana - dok sam jos imao D3i. I tada se ispostavilo da samo na OpenDNS-u se nisu propagirali ti novi endmpont-i. :wall:
I onda sam stavio Cloudflare misleci da Cisco polako ali sigurno unistava OpenDNS sa kojim ne znaju sta da rade a pukli pare. :whip:
Evo vam dokaza sta se desavalo:
CloudFlare DNS:
Kod:
nemanja@skynet:~$ nslookup akamaicdn.hbogo.eu
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
akamaicdn.hbogo.eu canonical name = akamaicdn-hbogo-eu.akamaized.net.
akamaicdn-hbogo-eu.akamaized.net canonical name = a1800.dscv.akamai.net.
Name: a1800.dscv.akamai.net
Address: 91.245.214.19
Name: a1800.dscv.akamai.net
Address: 91.245.214.16
Ove IP adrese pripadaju - guess who? SOX! Serbian Open Exchnge - i u tom zecu grmi cuc.
Dalje OpenDNS:
Kod:
nemanja@skynet:~$ nslookup akamaicdn.hbogo.eu 208.67.222.222
Server: 208.67.222.222
Address: 208.67.222.222#53
Non-authoritative answer:
akamaicdn.hbogo.eu canonical name = akamaicdn-hbogo-eu.akamaized.net.
akamaicdn-hbogo-eu.akamaized.net canonical name = a1800.dscv.akamai.net.
Name: a1800.dscv.akamai.net
Address: 5.22.191.241
Name: a1800.dscv.akamai.net
Address: 5.22.191.243
Ove adrese pripadaju - SBB mrezi jer ovo radim sa SBB mreze.
Google DNS:
Kod:
nemanja@skynet:~$ nslookup akamaicdn.hbogo.eu 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53
Non-authoritative answer:
akamaicdn.hbogo.eu canonical name = akamaicdn-hbogo-eu.akamaized.net.
akamaicdn-hbogo-eu.akamaized.net canonical name = a1800.dscv.akamai.net.
Name: a1800.dscv.akamai.net
Address: 5.22.191.243
Name: a1800.dscv.akamai.net
Address: 5.22.191.241
Identican rezultat.
I onda upit sa MTS mreze, upotreba OpenDNS:
Kod:
Non-authoritative answer:
akamaicdn.hbogo.eu canonical name = akamaicdn-hbogo-eu.akamaized.net.
akamaicdn-hbogo-eu.akamaized.net canonical name = a1800.dscv.akamai.net.
Name: a1800.dscv.akamai.net
Address: 79.101.14.8
Name: a1800.dscv.akamai.net
Address: 79.101.14.9
Name: a1800.dscv.akamai.net
Address: 79.101.14.16
Name: a1800.dscv.akamai.net
Address: 79.101.14.17
Name: a1800.dscv.akamai.net
Address: 79.101.14.19
Pazi sad - ove adrese pripadaju Telekomu - sto znaci da CDN (Akamai) radi lepo content delivery u zavisnosti od toga koji ISP koristitet.
E sad - zasto se sve to nije propagiralo na Cloudflare je veliko pitanje.