p2p: seed.bitcoin.sipa.be is down #34104

1. 
   fanquake commented at 2:58 pm on December 18, 2025: member

   0./check-dnsseeds.py 
   1* mainnet
   2FAIL seed.bitcoin.sipa.be
   3OK   dnsseed.bluematt.me (31 results)
   4OK   dnsseed.bitcoin.dashjr-list-of-p2p-nodes.us (35 results)
   5OK   seed.bitcoin.jonasschnelli.ch (24 results)
   6<snip>
   

2. fanquake added the label P2P on Dec 18, 2025
3. 
   fanquake commented at 2:58 pm on December 18, 2025: member

   cc @sipa
4. 
   sipa commented at 3:28 pm on December 18, 2025: member

   I don’t see anything wrong with it, and check-dnsseeds.py works for me.

    0$ python3 check-dnsseeds.py 
    1* mainnet
    2OK   seed.bitcoin.sipa.be (39 results)
    3OK   dnsseed.bluematt.me (31 results)
    4OK   dnsseed.bitcoin.dashjr-list-of-p2p-nodes.us (35 results)
    5OK   seed.bitcoin.jonasschnelli.ch (37 results)
    6OK   seed.btc.petertodd.net (37 results)
    7OK   seed.bitcoin.sprovoost.nl (36 results)
    8OK   dnsseed.emzy.de (40 results)
    9OK   seed.bitcoin.wiz.biz (21 results)
   10OK   seed.mainnet.achownodes.xyz (40 results)
   11
   12* testnet
   13OK   testnet-seed.bitcoin.jonasschnelli.ch (23 results)
   14OK   seed.tbtc.petertodd.net (37 results)
   15OK   testnet-seed.bluematt.me (3 results)
   16OK   seed.testnet.bitcoin.sprovoost.nl (34 results)
   17OK   seed.testnet.achownodes.xyz (40 results)
   18
   19* testnet4
   20OK   seed.testnet4.bitcoin.sprovoost.nl (34 results)
   21OK   seed.testnet4.wiz.biz (22 results)
   22
   23* signet
   24OK   seed.signet.bitcoin.sprovoost.nl (34 results)
   25OK   seed.signet.achownodes.xyz (38 results)
   

5. 
   fanquake commented at 3:30 pm on December 18, 2025: member

   Could be a local issue.
6. fanquake closed this on Dec 18, 2025

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