swinog April 2024

swinog@lists.swinog.ch

15 participants
4 discussions

AS6830 decoupling
by Martin Schenkel 24 Apr '24

24 Apr '24

Hi there Is there a Sunrise/UPC core network engineer on this list who can enlighten me about the recent AS6830/AS6730 network changes. If yes, please contact me off-list. Thanks, Martin

2 1

Swisscom DNS issue: spectrum-conference.org wrongfully resolves to a bluewin address in swisscom mobile networks
by Marc Balmer 23 Apr '24

23 Apr '24

The domain name spectrum-conference.org <http://spectrum-conference.org/> wrongfully resolves to 195.186.208.193 when queried from bluewin/swisscom mobile networks. It is registered to 46.175.8.9, which is the correct address. Please fix the swisscom/bluewin.ch <http://bluewin.ch/> DNS resolvers.

13 28

IANA AS Numbers Registry Update
by David Dong 11 Apr '24

11 Apr '24

Hi, The IANA AS Numbers registry has been updated to reflect the allocation of the following block to ARIN: 401309-402332 Assigned by ARIN 2024-04-10 You can find the registry at: https://www.iana.org/assignments/as-numbers/ The allocation was made in accordance with the Policy for Allocation of ASN Blocks to Regional Internet Registries: https://www.icann.org/resources/pages/global-policy-asn-blocks-2010-09-21-en Best regards, David Dong IANA Services Sr. Specialist

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Anyone else troubles with abusix.com swisscom 'false positives'?
by Benoit Panizzon 02 Apr '24

02 Apr '24

Hi all Our ISP Email IP Adresses and Domains are, once more, being blacklisted @ Abusix because of, I guess, emails sent to Bluewin Spamtraps. As far as I have figured out, in contact with our customers allegedly sending spam in past cases, those are almost always false positives. There was exactly one case of a business customer indeed sending multiple emails to one or several such bluewin email addresses and did not correctly process the bounces, but then only his dedicated IP was listed, not our customer email domains. But also then, the bluewin addresses he send his newsletters to, he could prove, belonged to his customers. In all other cases, customers sent emails to @bluewin.ch email addresses they knew the owner of. There was even one case where the @bluewin.ch email address in question that was a 'spamtrap' belonged to our customer and he just forwarded his email account with us to his own @bluewin account. It looks like after some 'short' time of inactivity, Swisscom automatically repurposed the bluewin email address of it's customer as 'spamtrap' which of course cause all those issues. Unfortunately I have not yet found anyone @swisscom able to further dig into why this so often causes our email services to get blacklisted or how to avoid this. Abusix.com basically refers to Swisscom as they may not disclose any of those spamtraps and have no information how those bluewin addresses became spamtraps. Can anyone help or knows who @ Swisscom to contact regarding those abusix spamtrap issues? Mit freundlichen Grüssen -Benoît Panizzon- -- I m p r o W a r e A G - Leiter Commerce Kunden ______________________________________________________ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133 Pratteln Fax +41 61 826 93 01 Schweiz Web http://www.imp.ch ______________________________________________________

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swinog April 2024