safari 不会用不会用备用 dns 解析吗

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Mac 上 DNS 是 8.8.8.8 1.1.1.1 ，今天 google DNS 抽风解析不了 speed.ga ，1.1.1.1 可以解析到。 safari 死活打不开 speed.ga, 换 Edge ，就可以排查半天是 DNS 问题。nslookup 8.8.8.8 解析不到，就会用 1.1.1.1

dns

nslookup speed.ga
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	speed.ga
Address: 172.67.138.103
Name:	speed.ga
Address: 104.21.86.250

nslookup google.com
Server:		8.8.4.4
Address:	8.8.4.4#53

Non-authoritative answer:
Name:	google.com
Address: 142.250.184.78

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1.1.1.1 DNS address nslookup