Host

213.135.241.28

Tags: Self-signed certificate Expired certificate

As of our latest check on 2026-06-07, 213.135.241.28 (POST Luxembourg, AS6661, Luxembourg) 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: POST Luxembourg AS6661
Open ports: 443 · at our latest check, 2026-06-07
Location: Luxembourg LU
Route: 213.135.224.0/19 · announced by POST Luxembourg AS6661 RPKI valid
Organisation: Post Group Luxembourg · Access network (cable / DSL / ISP)
Registry network: EPT · 213.135.232.0 - 213.135.245.0 · RIPE
Abuse contact: [email protected] · for EPT
First seen: 2026-06-07 23:46 UTC
Last seen alive: 2026-06-07 23:47 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: Microsoft Exchange Server Auth Certificate
Issued by: Microsoft Exchange Server Auth Certificate
Valid: 2021-01-27 → 2026-01-27
Note: self-signed certificate

Raw response

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*F��U0
	*�H��
051301U*Microsoft Exchange Server Auth Certificate0
210127095813Z
260127095813Z051301U*Microsoft Exchange Server Auth Certificate0�"0
	*�H��
�0�
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-ar*���5Do=�j�°�T�Hr�+�Zg{U��UR�3r+��o
�O��mx���F-t�ܺ�"�K�25	d�RC&U�@��VG|�78���B��01j���7.u�<��քg���}��؏*��+�湴�E���fA�d�n쌤��*abn�$Y1��� r��ƃ����Z�`î��k4y�����}����q�l�&�����{��v=��Zu�P�=�R�±�5030U��0U%0
+0U�00
	*�H��
�P��{��[`� i�Z@g��fE���H|��Q2."�-1�QM�s�>���C^�	ʴ&�gU��������#d�E����ާ;u��{���ۚ@�;�Y^�M5qUD�Qeߕ�֯�wL��r�`Ȧ[�...<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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