OSN

Host

212.243.209.242

Tags: Expired certificate

As of our latest check on 2026-06-07, 212.243.209.242 (Swisscom (Schweiz) AG, AS3303, Switzerland) had 1 open port (443) and no known CVEs.

Known CVEs on this host

1open port
0names pointing here
0known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-07.

No known CVEs on this host.

Network
Swisscom (Schweiz) AG AS3303
Open ports
443 · at our latest check, 2026-06-07
Location
Switzerland CH
Hostname
email.omicron.ch · reverse DNS, checked 2026-10-05
Route
212.243.0.0/16 · announced by Swisscom (Schweiz) AG AS3303 RPKI valid
Organisation
Swisscom (Switzerland) Ltd · Access network (cable / DSL / ISP)
Registry network
Omicron-NET · 212.243.209.240 - 212.243.209.255 · RIPE
Abuse contact
[email protected] · for Omicron-NET
First seen
2026-06-07 16:00 UTC
Last seen alive
2026-06-07 16:01 UTC
Hosted domains
No host name points here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (1)

443/tcp TLS first 2026-06-07 · last 2026-06-07
TLS
TLSv1.2
Certificate for
*.omicron.ch, omicron.ch
Issued by
Thawte RSA CA 2018
Valid
2022-03-07 → 2023-04-07
Raw response 
YU/��#D�o�E X���֋��3b�DOWNGRD ��Չw7��o��QZ����4��p1�4��/
����M0�I0�1��/��\@Ֆȯ�h��C0
	*�H��
0\10	UUS10U
DigiCert Inc10Uwww.digicert.com10UThawte RSA CA 20180
220307000000Z
230407235959Z0O10	UCH10UWallisellen10U

Omicron AG10U*.omicron.ch0�"0
	*�H��
�0�
��<K|ޣ��i#�
�|X����7��KV�}T�W�.Z�\�$�h���)Ͼ�9�\���p�����'��>d��#����K��Jt�[���|��T��y�����[�0�;	T_+�$��6�Š�{�
�̋�����uϦ�\3%.�oC/�p�>�?e�M��H]�ӗ+FO4WW�]ӕI�f�]�͇��v�U�H��X�X�?�}Wz�X0}�+i4���"H+���T`a����a5BL���k/#_62�	�[���0�0U#0���^eT�0x��
jY̹��Z0U�/�y)��ʻn)���\���0#U0�*.omicron.ch�
omicron.ch0U��0U%0++0:U3010/�-�+�)http://cdp.thawte.com/ThawteRSACA2018.crl0>U 70503g�0)0'+http://www.digi...<truncated>

Port history

Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.

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