Domains to safely block on Pi-hole?

Discussion in 'TiVo Coffee House - TiVo Discussion' started by Amiga, Sep 25, 2019.

  1. Amiga

    Amiga New Member

    Jan 22, 2007


    I've seen a list of various domains, from this forum, that our TiVos phone home to. Was wondering if anyone with a Pi-hole or other domain blocking utility has blocked some of these domains. Are any other domains missing from this list?

    I'm temporarily using a mobile hotspot for my place, so my solution right now is AdGuard DNS. I just downgraded to TE3 and I don't stream (apps), nor share (household), or view anything remotely.
  2. snerd

    snerd Well-Known Member

    Jun 6, 2008
    I use pi-hole with TE3 on all my TiVo devices. I haven't seen a need to block any TiVo domains. The stats displayed by pi-hole show that interaction with TiVo sites is pretty minimal.
  3. PSU_Sudzi

    PSU_Sudzi Well-Known Member TCF Club

    Jun 4, 2015
    Philly suburbs
    I think we're gonna have to wait to see if someone with TE4 who is getting ads runs pi-hole and is able to successfully block them without fouling their other necessary calls to the TiVo mothership. Will be a trial and error process.
    Mikeguy, Noelmel and snerd like this.
  4. Charles R

    Charles R Well-Known Member

    Nov 9, 2000
    At this point I don't see any reason to restrict its activity. In the last 24 hours TiVo has had 124 DNS request. I'm (purely) guessing you could block as from its description it appears to be OTT based.
    Last edited: Sep 25, 2019
  5. JoeKustra

    JoeKustra in the other Alabama TCF Club

    Dec 7, 2012
    Ashland, PA...


    Run an Internet Connection diagnostic test. Then go to System Information. Hit: Clear-Clear-Enter-Enter-0. Select Logs. You can see all the IP addresses used just for that test. Last time I checked it was 10. Everything a TiVo does is in those logs but there is no documentation.
    tommiet and Mikeguy like this.
  6. babsonnexus

    babsonnexus Active Member

    Jan 13, 2016
    Do not block h1/h2 or sls as you will not get guide data. i and mm1/2 are needed for using the app and the website as far as I can tell. There are a slew of other letters I have come across from time-to-time that seem to be general replacements for h1/h2, you could literally go through the alphabet and ping them and see which ones respond. For a while, I was using my Pi-hole to auto-forward all TiVO h1/h2/etc... traffic to a single IP address, but that did not resolve my issues of failure at the download step every 3-9 days (and then needing to tether to my phone to clear it out), so I stopped doing that.
  7. xxsj

    xxsj _

    Jun 21, 2016
    Here's all the hostnames mine has hit:
    # 100% safe:
    # Tivo specific hostnames:
    # Probably safe:
    # sketchy / probably don't need:
    # netflixy stuff (could be used for tivo+ if the streams are hosted by them)
    With the following blocked it doesn't load TiVo+ correctly

    I don't know the side effects of this list, yet, haven't run into any after several reboots. I also want to pinpoint which one it is.
    Last edited: Oct 31, 2019
    arglebargle2 and keithg1964 like this.

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