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    检查MX记录是否生效的方法

    作者:shunshunshun18 栏目:未分类 时间:2021-02-25 9:45:25

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    开始--运行--cmd
    nslookup -qe=mx ebadu.net
    正确指示:
    C:\Documents and Settings\Administrator>nslookup -qe=mx ebadu.net
    Server: ns.ahhfptt.net.cn
    Address: 202.102.192.68
    DNS request timed out.
    timeout was 2 seconds.
    Non-authoritative answer:
    ebadu.net MX preference = 0, mail exchanger = mail.ebadu.net
    ebadu.net nameserver = ns2.dns.com.cn
    ebadu.net nameserver = ns1.dns.com.cn
    mail.ebadu.net internet address = 222.186.12.16
    ns1.dns.com.cn internet address = 122.70.138.5
    ns1.dns.com.cn internet address = 122.70.138.6
    ns1.dns.com.cn internet address = 124.42.122.8
    ns1.dns.com.cn internet address = 124.42.122.9
    ns2.dns.com.cn internet address = 124.42.122.5
    ns2.dns.com.cn internet address = 124.42.122.6
    ns2.dns.com.cn internet address = 122.70.138.8
    ns2.dns.com.cn internet address = 122.70.138.9

    见到NS记录显示了IP 即为通畅状态

    nslookup -qe=mx ebadu.com

    C:\Documents and Settings\Administrator>nslookup -qe=mx ebadu.com
    Server: ns.ahhfptt.net.cn
    Address: 202.102.192.68
    DNS request timed out.
    timeout was 2 seconds.
    Non-authoritative answer:
    ebadu.com canonical name = www.center.ebadu.net
    ebadu.net
    primary name server = ns2.dns.com.cn
    responsible mail addr = root.ns2.dns.com.cn
    serial = 2008061113
    refresh = 3600 (1 hour)
    retry = 3600 (1 hour)
    expire = 68400 (19 hours)
    default TTL = 180 (3 mins)
    反馈不回NSIP记录.即为不通状态!
    检测反解析是否成功
    nslookup –qt=ptr 61.191.191.182

    返回信息如下:
    C:\Documents and Settings\user>nslookup –qt=ptr 61.192.56.23
    Server: mx.diyway.net
    Address: 61.192.56.23
    说明这个IP的反解析就是成功了。

    返回信息如下
    C:\Documents and Settings\user>nslookup –qt=ptr 61.192.56.23
    *** Can't find server name for address 61.142.80.154: Non-existent domain
    Server: UnKnown
    Address: 61.192.56.23
    说明这个IP的反解析没有作。