Domain Information for

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Whois record for


This is a cached entry from 2014-10-08 08:46:27, press here to do a realtime lookup!



List of subdomains under

DNS report for zone

Hostmaster for zone is: srathod@nsphere@com
This is a cached entry from 2013-01-28 08:50:03, press here to do a realtime lookup!

  • Category Status Test Name Information
  • NS
    • info
    • Zone transfers
    • I could use the nameservers listed below to perform zone transfers. Zone transfers enables other parties to download a full list of all names under this zone. This might lead to unwanted information disclosure.

      The following servers allowed zone transfers (AXFR) for

    • info
    • Recursive Queries
    • I could use the nameservers listed below to performe recursive queries. It may be that I am wrong but the chances of that are low. You should not have nameservers that allow recursive queries as this will allow almost anyone to use your nameservers and can cause problems. Problem record(s) are:

    • check
    • Mismatched NS records
    • OK. The NS records at all your nameservers are identical.

    • check
    • DNS servers responded
    • Good. All nameservers listed at the parent server responded.

    • check
    • Multiple Nameservers
    • OK. You have multiple nameservers. In most cases 2 are enough, however, RFC2182 section 5 states that you must have at least 3 nameservers, and no more than 7.

    • check
    • Nameservers are lame
    • OK. All the nameservers listed at the parent servers answer authoritatively for your domain.

    • check
    • Domain CNAMES
    • OK. RFC1912 2.4 and RFC2181 10.3 state that there should be no CNAMEs if an NS (or any other)
      record is present.

    • check
    • Different subnets
    • ERR. All your nameservers are in the subnet. (C-class)

    • check
    • IPs of nameservers
      are public
    • Ok. Looks like the IP addresses of your nameservers are public. This is a good thing because it will prevent DNS delays and other problems like

    • check
    • DNS servers allow
      TCP connection
    • OK. Seems all your DNS servers allow TCP connections. This is a good thing and useful even if UDP connections are used by default.

  • SOA
    • info
    • SOA record
    • The SOA record is:
      Primary nameserver:
      Hostmaster E-mail address: srathod@nsphere@com
      Serial #: 2010041106
      Refresh: 3600
      Retry: 60
      Default TTL: 86400

    • info
    • NSs have same SOA
    • OK. All your nameservers agree that your SOA serial number is 2010041106

    • check
    • SOA MNAME entry
    • OK. That server is listed at the parent servers.

    • info
    • SOA Serial
    • Your SOA serial number is: 2010041106. Your SOA serial can pretty much be whatever you want, but most people prefer to have it in YYYYMMDD00-99 format.

    • check
    • OK. Your SOA REFRESH interval is: 3600. That is OK

    • check
    • WARN. Your SOA RETRY interval is: 60. We recommend that you raise it to be within the 120 to 7200 range. (2 minutes to 2 hours)

    • check
    • WARN. Your SOA EXPIRE interval is: 604800. We recommend that you raise it to be within the 1209600 to 2419200 range. (2 to 4 weeks)

    • check
    • WARN. Your SOA MINIMUM interval is: 86400. We recommend that you lower it to be within the 3600 to 10800 range. (1 to 3 hours)

  • WWW
    • info
    • IPs are public
    • OK. All of your WWW IPs appear to be public IPs.

    • check
    • OK. No CNAME

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