[dns-operations] check if a domain has been registered via DNS
pyh at vodafonemail.de
Fri Apr 28 01:22:33 UTC 2017
在 2017/4/27 下午10:03, John Levine 写道:
> If the domain exists in the DNS, it's in use, but if the domain
> doesn't exist in the DNS, it may be available or it may not. There
> are many states that aren't available but don't publish NS records.
yes there are some cases as you said.
for example, the domain below can't be registered this time, but it has
no DNS delegation.
Domain Name: CLOUDWEBDNS.COM
Registrar: GANDI SAS
Sponsoring Registrar IANA ID: 81
Whois Server: whois.gandi.net
Referral URL: http://www.gandi.net
Name Server: NS5.CLOUDWEBDNS.COM.DELETED.GANDI.NET
Name Server: NS6.CLOUDWEBDNS.COM.DELETED.GANDI.NET
Status: clientHold https://icann.org/epp#clientHold
Status: redemptionPeriod https://icann.org/epp#redemptionPeriod
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