64.136.44.37 — 1 open port, 0 known CVEs, network Netzero,INC.

Known CVEs on this host

1open port

4names pointing here

0known CVEs

0known exploited

Open ports and CVEs as of our latest check of this host, 2026-07-17.

No known CVEs on this host.

Network: Netzero,INC. AS13446
Open ports: 25 · at our latest check, 2026-07-17
Location: United States US
Hostname: mx.dca.untd.com · reverse DNS, checked 2026-10-04
Route: 64.136.44.0/22 · announced by Netzero,INC. AS13446 no RPKI authorisation
Organisation: United Online · Access network (cable / DSL / ISP)
Registry network: JUNO-BLK · 64.136.0.0 - 64.136.63.255 · Juno Online Services, Inc. · ARIN
Abuse contact: [email protected] · for JUNO-BLK
First seen: 2026-07-17 07:56 UTC
Last seen alive: 2026-07-17 08:03 UTC
Hosted domains: 4 names point here

Reputation

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

Services (1)

25/tcp FTP first 2026-07-17 · last 2026-07-17

Banner: 550 IP 91.211.244.57 in combined.mail.abusix.zone : Access Denied, please see www.abusix.ai

Raw response

550 IP 91.211.244.57 in combined.mail.abusix.zone : Access Denied, please see www.abusix.ai

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.

Hostnames pointing to this address

4 names · as answered by each domain's own name servers

mx.dca.untd.comfirst seen 2026-10-21

mx-fol.dca.untd.comfirst seen 2026-10-21

mx-ws.dca.untd.comfirst seen 2026-10-21

mx-ws-beta.dca.untd.comfirst seen 2026-10-21

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