25/tcp
SMTP
first 2026-06-07 · last 2026-06-07
- Banner
- 220-mail1.zetokoszalin.pl ESMTP Postfix (Debian/GNU)
Raw response
220-mail1.zetokoszalin.pl ESMTP Postfix (Debian/GNU)
Host
213.25.74.31
Tags: Expired certificate
As of our latest check on 2026-06-07, 213.25.74.31 (Orange Polska Spolka Akcyjna, AS5617, Poland) had 4 open ports (25, 110, 443, 587) and no known CVEs.
Known CVEs on this host
4open ports
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
- Orange Polska Spolka Akcyjna AS5617
- Open ports
- 25, 110, 443, 587 · at our latest check, 2026-06-07
- Location
- Poland PL
- Hostname
- mail1.zetokoszalin.pl · reverse DNS, checked 2026-10-05
- Route
- 213.25.0.0/16 · announced by Orange Polska Spolka Akcyjna AS5617 RPKI valid
- Organisation
- Orange Polska Spolka Akcyjna · Access network (cable / DSL / ISP)
- Registry network
- ZETO-KOSZALIN · 213.25.74.0 - 213.25.74.255 · RIPE
- Abuse contact
- [email protected] · for ZETO-KOSZALIN
- First seen
- 2026-06-07 18:36 UTC
- Last seen alive
- 2026-06-07 18:40 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 (4)
110/tcp
POP3
first 2026-06-07 · last 2026-06-07
- Banner
- +OK Dovecot ready.
Raw response
+OK Dovecot ready.
443/tcp
TLS
first 2026-06-07 · last 2026-06-07
- TLS
- TLSv1.2
- Certificate for
- *.zetokoszalin.pl, zetokoszalin.pl
- Issued by
- home pl DV TLS G2 R35 CA
- Valid
- 2026-03-25 → 2026-10-10
Raw response
HTTP/1.1 400 Bad Request Date: Sun, 07 Jun 2026 18:37:59 GMT Server: Apache/2.4.10 (Debian) Content-Length: 450 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>400 Bad Request</title> </head><body> <h1>Bad Request</h1> <p>Your browser sent a request that this server could not understand.<br /> Reason: You're speaking plain HTTP to an SSL-enabled server port.<br /> Instead use the HTTPS scheme to access this URL, please.<br /> </p> <hr> <address>Apache/2.4.10 (Debian) Server at mail1.zetokoszalin.pl Port 443</address> </body></html>
587/tcp
SMTP
first 2026-06-07 · last 2026-06-07
- Banner
- 220 mail1.zetokoszalin.pl ESMTP Postfix (Debian/GNU)
Raw response
220 mail1.zetokoszalin.pl ESMTP Postfix (Debian/GNU)
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.