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Any Green.ch DNS Admin on this list?
by Benoit Panizzon 13 Feb '20

13 Feb '20

Hi List To migrate a couple of DNS Zones from green to another DNS operator. I need the zone files. I am giving up on the green customer service. So if a green tech with access to the zone files (as raw as possible, for example extracted by 'dig AXRF') is reading this, please contact me off-list. 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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Missing DNS A records for several domains hosted by swisscom.com
by Tobi 08 Feb '20

08 Feb '20

Hi hope someone from Swisscom reads here. We're currently seeing that DNS A records for MX hosts of several domains disappeared. They all using > mtainXX.mailsecurity.swisscom.com as MX record. But there are no A records for those MX ; <<>> DiG 9.11.14-RedHat-9.11.14-2.fc31 <<>> mtain01.mailsecurity.swisscom.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47048 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;mtain01.mailsecurity.swisscom.com. IN A ;; AUTHORITY SECTION: swisscom.com. 574 IN SOA dns3.swisscom.com. admin\.dns.swisscom.com. 42532 21600 3600 604800 600 ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fr Feb 07 10:42:03 CET 2020 ;; MSG SIZE rcvd: 113 ; <<>> DiG 9.11.14-RedHat-9.11.14-2.fc31 <<>> mtain02.mailsecurity.swisscom.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56271 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;mtain02.mailsecurity.swisscom.com. IN A ;; AUTHORITY SECTION: swisscom.com. 574 IN SOA dns3.swisscom.com. admin\.dns.swisscom.com. 42532 21600 3600 604800 600 ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fr Feb 07 10:42:03 CET 2020 ;; MSG SIZE rcvd: 113 According to our passive DNS data there are at least 63 domains using one of these hosts as their MX. -- Cheers tobi

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IPv4 Brokers
by Mike Kellenberger 07 Feb '20

07 Feb '20

Hi all Can anyone recommend a serious Broker to purchase IPv4 Addresses with which he/she already has made successful transactions? Thanks! Mike -- Mike Kellenberger Teamleader Network & Security nexellent ag Sägereistrasse 33 CH-8152 Glattbrugg Phone: + 41 44 872 20 00 Direct: + 41 44 872 20 30 Mobile: + 41 79 421 17 78 www.nexellent.ch twitter.com/nexellent

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IPv6 Council event - IPv6 Security Hands-On Crash Course with Fernando Gont, March 2020
by Silvia Hagen 06 Feb '20

06 Feb '20

Dear Swinogers We are happy to announce that we will have Fernando Gont in Switzerland, teaching his famous IPv6 Security Hands-On Crash course. Fernando is an expert in the international IPv6 community, author of many RFCs and developer of the hacking toolkit. He will show you how to work with it during this course. IPv6 Security Crash Kurs with Fernando Gont * 23. - 25. März 2020, at Digicomp in Zürich (in English) More Information <http://www.swissipv6council.ch/en/events/ipv6-security-crashcourse>Registration via Digicomp<https://www.digicomp.ch/weiterbildung/trainings-fuer-it-professionals/netwo…> Prerequisite for attending this course is a basic knowledge of IPv6, such as addressing architecture, header format, extension headers, neighbor discovery, SLAAC, DHCPv6, MLD etc. If you like to refresh your understanding of the IPv6 basics, you may attend the IPv6 Hands-On Training on 24. - 26. February<https://www.digicomp.ch/weiterbildung/trainings-fuer-it-professionals/netwo…> at Digicomp in Zurich (in German) All details and link to registration: http://www.swissipv6council.ch/en/events Cheers Silvia Sunny Connection AG CH-8124 Maur +41 (0)44 887 62 10 www.sunny.ch<http://www.sunny.ch/> http://twitter.com/sunny_shagen ****************************************** Business Agility - eine integrale Betrachtung. Kommen Sie mit auf unsere Entdeckungsreise<https://flowdays.net/de/training?category=Business_Agility&title=Business_A…> "When things fall into place" - 28. November in Zürich ****************************************** Think Agile, thrive in the Flow: www.flowdays.net<http://www.flowdays.net/> ******************************************

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Advertizement from OFCOM (dot.swiss) to .swiss domain owners?
by Benoit Panizzon 31 Jan '20

31 Jan '20

Dear List I am frowning upon an advertisement email I just got from OFCOM to the owner contact email address of a .swiss domain. Not only am I inclined to consider such emails as 'unlauter' but I am also very concerned that such emails are sent from an ESP in the US who has confirmed on several occasions that they don't care about Swiss privacy laws and will not hand out the identity of their spamming customers, even if they are based in Switzerland and send spam to Switzerland based 'targets' as intended by Art. 8 DSG. 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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Quickline contact
by Marco Kälin 29 Jan '20

29 Jan '20

Hi list, Someone from Quickline mx ord dns team here? You send VPBX Fax2Mail Messages from faxserver(a)business.quickline.ch. Can you please check your spf record on business.quickline.ch? root@localhost:~# dig @8.8.8.8 business.quickline.ch txt +short "v=spf1 -all" thank you regards Marco

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Beers/Food at Paddy Reilly on 28/1/2020
by Massimiliano Stucchi 28 Jan '20

28 Jan '20

Hi everyone, as the subject suggests, I'm organising beers and food for whoever would like to join next Tuesday, January 28th. It will be at: Paddy Reilly's Talstrasse 82 8001 Zürich Starting at 18:30. If you are coming, please let me know by sending me an email so I can try to take a table with enough space for everyone. If you instead think about deciding last minute, I'm sure we'll have enough space. Ciao! -- Massimiliano Stucchi MS16801-RIPE Twitter/Telegram: @stucchimax

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A survey on performance diagnosis for Network functions/middleboxes
by Junzhi Gong 27 Jan '20

27 Jan '20

Dear SwiNOG community, Today's networks (data centers, ISPs, and enterprises) all run many hardware middleboxes and software network functions. The performance of these components is critical for network management and user experiences. However, when performance problems happen, it often takes a lot of human efforts to instrument and debug these systems especially when many network functions interact with each other and with traffic dynamics. We are a group of researchers from Harvard and AT&T who are building new diagnosis tools that can automatically find potential root causes for performance problems in network functions (especially those tail latency problems that are hard to diagnose). This project is led by my advisor Minlan Yu (Homepage: http://minlanyu.seas.harvard.edu/ <http://minlanyu.seas.harvard.edu/>), an Associate Professor in Harvard University. We're reaching out to the SwiNOG community to understand the performance problems you have seen and your needs on diagnosis tools. This will greatly help us to incorporate your needs in our tool. We plan to release our debugging tool for the community to use. We greatly appreciate your help in filling out the survey below. It should take less than 10 minutes to complete. The survey and the collected data are anonymous (so please do *not* include information that may identify you or your organization). All questions are optional, so if you don't like a question or don't know the answer, please skip it. In the survey, we use network functions as a general term to represent both hardware and software middleboxes. A summary of the aggregate results will be published as a part of a scientific article later this year. Survey URL: https://docs.google.com/forms/d/e/1FAIpQLSdx1j2BZzk_iEuIqHLDF20Rv_LuxLcrGze… <https://docs.google.com/forms/d/e/1FAIpQLSdx1j2BZzk_iEuIqHLDF20Rv_LuxLcrGze…> We would also be extremely grateful if you could forward this email to any operator you know beyond this SwiNOG mailing list. Junzhi Gong Harvard University

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postmaster bluewin please contact
by Tobias Oetiker 22 Jan '20

22 Jan '20

Hi we got several reports from customers with bluewin addresses who do not get automated mails from "vermietung(a)floerli-olten.ch" in their mailboxes. according to our mailserver log mails get delivered to bluewin correctly, but they never arrive in the users mailboxes. does bluewin take it upon itself to destroy mail messages without notice ? Tobi Oetiker tobi.oetiker.ch

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swisscom dtag cogent overbooking
by solutions＠datawire.ch 20 Jan '20

20 Jan '20

Hi I`m looking for someone from swisscom to make it`s customers happy :) Looks like we get a lot of swisscom traffic over cogent via dtag, and since the customers of our customers use swisscom, they have to deal with packet loss and slow connections every day after 3 pm until 6 pm. Cogent just told us to blame dtag for not peering, and swisscom for using dtag as an upstream. It looks like that «smart ict» customers have even more problems, even with outgoing connections, some of them started to work from home for faster connections (=different isp). Maybe somebody from the swisscom team can contact us noc(a)datawire.ch <mailto:noc@datawire.ch> Thank you very much 😉 Cheers Sebastian ___________________________ DATAWIRE AG Bösch 80A, 6331 Hünenberg Tel. +41 41 728 09 99 E-Mail: <mailto:solutions@datawire.ch> solutions(a)datawire.ch Website: <https://datawire.ch/> https://datawire.ch

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