Domain · Tranco #56,283

ost.ch

ost.ch is ranked #56,283 among the world's most-visited sites (Tranco). It resolves to 146.136.212.33, hosted on siweb12.ost.ch, and presents a TLS certificate issued by Let's Encrypt.

HTTP 301

Tranco rank	#56,283
IPv4	146.136.212.33
IPv6	2001:620:1c0:d212:0:2ff:fe12:33
Hosting / reverse DNS	siweb12.ost.ch
Hosting network	AS559 · Switch - SWITCH, CH
Nameservers	dns01.ost.ch, dns02.ost.ch, dns03.ost.ch
HTTP status	301 → https://www.ost.ch/
Web server	Apache
Detected tech	Apache
TLS certificate	Let's Encrypt · expires 2026-10-23

Notable DNS TXT records

miro-verification=6183e083cd5466bedb6f161552334b22553b7724
google-site-verification=7YXhAcoroQ4uSttlo7_mlhh6_QY53Uk3fJEDUiXqdFk
dell-technologies-domain-verification=ost.ch_ae6a1c17-bbb6-4a86-9d07-7009ba89b6ad_1704450717
MS=ms41259948
v=spf1 a:sismtp01.ost.ch a:smtp01.ost.ch a:smtp02.ost.ch include:spf.protection.outlook.com include:sendgrid.net -all
have-i-been-pwned-verification=9e7ce5e8d1af7986d410ec1f1991a6e7

More .ch domains

All .ch domains →

FAQ

What is the IP address of ost.ch?

ost.ch resolves to 146.136.212.33 (siweb12.ost.ch).

Who issued the SSL certificate for ost.ch?

The TLS/SSL certificate for ost.ch was issued by Let's Encrypt, valid until 2026-10-23.

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains