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Not sure if SuperUser is the right place to ask this, feel free to move accordingly.

I've been looking for how/where to get access to the complete .co zone file, but so far I only found a couple of old forum postings where a few users try to sell some outdated and reverse-engineered (What does that mean anyway... Did someone brute-force all the ≃ 3763 possible combinations?) zone file for a substantial amount of money ($1,000) with no access to updates whatsoever.

Where (if at all available) can I get access to this zone file? Googling revealed fruitless so far.

I also contacted go.co support a week or so ago asking this question but I'm still waiting for a reply...

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    Why do you think you deserve a copy? Top level zones are secret to minimize spammers and other abuse.
    – Zoredache
    Oct 13, 2013 at 21:30
  • @Zoredache: gTLD zones are not secret, I suppose there's some kind of similar access program for this ccTLD since it's considered like a gTLD. As for the justification, I can provide it to the registrar / TLD authority if needed - but, if it eases your concerns, my purposes are no where near from being nefarious in nature.
    – Alix Axel
    Oct 13, 2013 at 21:42

3 Answers 3

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+50

The registrar information for the Colombia domain gives ".CO Internet S.A.S." as the sponsoring organization with http://www.go.co/ as their website.

The best way to get their zone file is to contact this company and ask. You will need of course to furnish a valid reason and might be charged (or not) for this service.

Another address might be the DatCat collection : Passive DNS Zone Files, a project run by the Indiana University. You will need to contact the project administrator, (if the project is still running), and of course give a valid reason. Passive listening to DNS requests will only give you the domains that are actively in use.

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  • I contacted go.co partner support already, still no word from them. +1 for the Passive DNS zone files, they might prove useful if everything else fails (and they don't mind sharing them with me).
    – Alix Axel
    Oct 17, 2013 at 22:32
  • The ccTLD (country code top level domain) for .co costs $27 at ViewDNS.info.
    – harrymc
    Oct 20, 2013 at 17:41
  • The go.co blog says that they had over 1.5M domains as of September 26, while the viewdns.info package only counts 1,090,681. It's not the only one: .pt ccTLD has 584,757 registered domains but ViewDNS only counts 126,900. With such huge descrepancies, I don't find that data to be very reliable.
    – Alix Axel
    Oct 20, 2013 at 20:29
  • For .co this makes two thirds of the data. You could ask them the reason for the missing domains (maybe passive dns again?).
    – harrymc
    Oct 20, 2013 at 21:36
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    If go.co don't answer, the registrar information for the Colombia domain also gives emails for their contact persons. But read this for perhaps the reason why you are having these difficulties.
    – harrymc
    Oct 22, 2013 at 16:02
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I came across this knowledge base answer:

Does .CO Internet provide access to the .CO Zone File?

Last Updated: Oct 07, 2013 03:30PM COT

No. Currently, access to the .CO Zone File is not available to the general public. .CO Accredited Registrars and Affiliate Partners may apply and be granted access to the .CO Zone File based upon signing a Zone File Sharing Agreement and paying a one-time fee. Access is granted on a case-by-case basis. Interested parties should contact [email protected] for more information.

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I think I know a place where you can get co. zone file. I once needed an ar. and used a database I bought from these guys https://alldomainsdb.com/. I think you can buy the whole database with all kinds of zone files or a specific one, you have to make a request. Price is high and you must first contact the guys, so it takes some time and money, but the list was big so I guess it's worth the try

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