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dns tricks
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| # figure out authoritative dns server for domain | |
| ~ @localhost> nslookup -querytype=soa jpi.jflei.com | |
| Server: 192.168.1.1 | |
| Address: 192.168.1.1#53 | |
| Non-authoritative answer: | |
| *** Can't find jpi.jflei.com: No answer | |
| Authoritative answers can be found from: | |
| jflei.com | |
| origin = ns19.zoneedit.com | |
| mail addr = soacontact.zoneedit.com | |
| serial = 2014077198 | |
| refresh = 2400 | |
| retry = 360 | |
| expire = 1209600 | |
| minimum = 300 | |
| # do dns lookup from authoritative dns server, rather than nearest caching server | |
| ~ @localhost> nslookup jpi.jflei.com ns19.zoneedit.com | |
| Server: ns19.zoneedit.com | |
| Address: 74.50.27.56#53 | |
| Name: jpi.jflei.com | |
| Address: 67.180.48.77 |
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