Hostname

duo.it

Last fetched Tue, 04 Aug 2026 08:44:17 GMT

duo.it resolves to 1 IPv4 address operated by ASSEFLOW - Seflow s.r.l. in IT. WHOIS lists registrar:seflow s.r.l. as the registrar.

Nutrition Label

Resolution chain

duo.it resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
83.136.107.27	83.136.106.0/23	AS49367	ASSEFLOW - Seflow s.r.l.	IT

WHOIS identity

Registrar: registrar:seflow s.r.l.
Organization: duo srl
Contact emails: —

Subdomains

6 observed subdomains of duo.it.

Subdomain
grws.duo.it
host.duo.it
mail.duo.it
mail2.duo.it
ww2.duo.it
www.duo.it

Web-graph footprint

Distinct hostnames that link to or from duo.it in the public web crawl.

2 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for duo.it.

Mechanism	Target
SPF_A	host.duo.it
SPF_IP	83.136.107.92
SPF_MX	duo.it
SPF_MX	mail.duo.it

Pivot deeper into the graph from duo.it.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "duo.it"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.