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  • DNSCheck
    and hopefully also understand the workings of the Domain Name System DNS When a domain aka zone is submitted to DNSCheck it will investigate the domain s general health by traversing the DNS from root to the TLD Top Level Domain like SE to eventually the nameserver s that holds the information about the specified domain like iis se Some other sanity checks for example measuring host connectivity validity of

    Original URL path: http://www.dma.nl/dnscheck2/ (2013-05-05)
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  • DMA - Deel 3
    Presentatie Second Life we weten veel he Reading Viracocha It is the sun The Code of Chivalry Sonnet 146 The Exponential Function The Fool Learn how to drive your chariot 7 sided form and the heart vortex Krulletjes De Duva Zeitgeist The Dogon code Sources True Majority KPN gooit mailservers dicht Computer related acronyms Het kiezen van een velig wachtwoord Google lively 20ste Eeuw Relationele wiskunde Toeval bestaat niet Nasa

    Original URL path: http://www.dma.nl/index/147/97/deel3 (2013-05-05)
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  • DNSCheck
    program that was designed to help people check measure and hopefully also understand the workings of the Domain Name System DNS When a domain aka zone is submitted to DNSCheck it will investigate the domain s general health by traversing the DNS from root to the TLD Top Level Domain like SE to eventually the nameserver s that holds the information about the specified domain like iis se Some other

    Original URL path: http://www.dma.nl/dnscheck2/?test=undelegated (2013-05-05)
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  • DNSCheck
    was found As an example if we test the domain iis se and recieve an error titled Name server ns nic se 212 247 7 228 does not answer queries over UDP What does this mean After we click this message more detailed information become visible More specific this The name server failed to answer queries sent over UDP This is probably due to the name server not correctly set up or due to misconfigured filtering in a firewall Luckily this was just an example that error basically means the name server is down so it s not the most harmless error around Back to the top How can DNSCheck judge what is right and wrong There is no final judgement of the health of a domain that can be bestowed by anyone This is very important SE and the people behind DNSCheck do not claim that DNSCheck is correct in every aspect Sometimes opinions differ especially between countries but sometimes also locally We have had the luck to have the help of an extremely competent DNS group here in Sweden Hopefully their opinions in combination with ours have made a good compromise between what is an actual potentially dangerous error and what could be merely seen as a notice or warning But as with all things as evolving as DNS the situation is most likely changing what is a notice today could be an error tomorrow If you really think we ve made a mistake in our judgement please don t hesitate to drop us an email at dnscheck iis se with a link to your test and an explanation why you think it shows something that you consider incorrect If you don t know how to find the link to your test check the How can DNSCheck help me part of this FAQ Back to the top Does DNSCheck handle IPv6 Yes it does However since SE currently doesn t have IPv6 connectivity these tests cannot be performed As soon as IPv6 connectivity is established we will test IPv6 in the same way we test IPv4 Back to the top Does DNSCheck handle DNSSEC Yes if DNSSEC is available on a domain that is sent to DNSCheck it will be checked automatically Back to the top What makes DNSCheck differ from other zone controlling software First of all this DNSCheck saves all history from earlier tests which means you can go back to a test you did a week ago and compare it to the test you ran a moment ago DNSCheck also controls that the name servers a zone has used previously no longer contains information about the zone you re testing this only applies to SE domains that have been redelegated after February 2007 DNSCheck will also try and explain the error warning to you in a good way although these messages can be difficult to understand for a non technician The next version of DNSCheck that will be launched later this year will be more

    Original URL path: http://www.dma.nl/dnscheck2/?faq=1&test=standard (2013-05-05)
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  • DMA - Deel 4
    Communicatie Presentatie Second Life we weten veel he Reading Viracocha It is the sun The Code of Chivalry Sonnet 146 The Exponential Function The Fool Learn how to drive your chariot 7 sided form and the heart vortex Krulletjes De Duva Zeitgeist The Dogon code Sources True Majority KPN gooit mailservers dicht Computer related acronyms Het kiezen van een velig wachtwoord Google lively 20ste Eeuw Relationele wiskunde Toeval bestaat niet

    Original URL path: http://www.dma.nl/index/148/97/deel4 (2013-05-05)
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  • DNSCheck
    more detailed information about what kind of problem that was found As an example if we test the domain iis se and recieve an error titled Name server ns nic se 212 247 7 228 does not answer queries over UDP What does this mean After we click this message more detailed information become visible More specific this The name server failed to answer queries sent over UDP This is probably due to the name server not correctly set up or due to misconfigured filtering in a firewall Luckily this was just an example that error basically means the name server is down so it s not the most harmless error around Back to the top How can DNSCheck judge what is right and wrong There is no final judgement of the health of a domain that can be bestowed by anyone This is very important SE and the people behind DNSCheck do not claim that DNSCheck is correct in every aspect Sometimes opinions differ especially between countries but sometimes also locally We have had the luck to have the help of an extremely competent DNS group here in Sweden Hopefully their opinions in combination with ours have made a good compromise between what is an actual potentially dangerous error and what could be merely seen as a notice or warning But as with all things as evolving as DNS the situation is most likely changing what is a notice today could be an error tomorrow If you really think we ve made a mistake in our judgement please don t hesitate to drop us an email at dnscheck iis se with a link to your test and an explanation why you think it shows something that you consider incorrect If you don t know how to find the link to your test check the How can DNSCheck help me part of this FAQ Back to the top Does DNSCheck handle IPv6 Yes it does However since SE currently doesn t have IPv6 connectivity these tests cannot be performed As soon as IPv6 connectivity is established we will test IPv6 in the same way we test IPv4 Back to the top Does DNSCheck handle DNSSEC Yes if DNSSEC is available on a domain that is sent to DNSCheck it will be checked automatically Back to the top What makes DNSCheck differ from other zone controlling software First of all this DNSCheck saves all history from earlier tests which means you can go back to a test you did a week ago and compare it to the test you ran a moment ago DNSCheck also controls that the name servers a zone has used previously no longer contains information about the zone you re testing this only applies to SE domains that have been redelegated after February 2007 DNSCheck will also try and explain the error warning to you in a good way although these messages can be difficult to understand for a non technician The next version of DNSCheck that

    Original URL path: http://www.dma.nl/dnscheck2/?faq=1&test=undelegated (2013-05-05)
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  • DMA - Deel 5
    Krulletjes De Duva Zeitgeist The Dogon code Sources True Majority KPN gooit mailservers dicht Computer related acronyms Het kiezen van een velig wachtwoord Google lively 20ste Eeuw Relationele wiskunde Toeval bestaat niet Nasa the Moon Sonnet 116 ik wil weten Hoe maak je een online formulier FormMail handleiding FormMail bedankt FormMail Fout Twaalf dagen Weer bericht Kopie van Standaard bannerformaten Hey in het centrum zit een registratie circle breng Viracocha

    Original URL path: http://www.dma.nl/index/149/97/deel5 (2013-05-05)
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