Hostname

sisreg.it

Last fetched Sun, 05 Jul 2026 22:21:26 GMT

sisreg.it resolves to 2 IPv4 addresses operated by FORTINET - Fortinet Inc. in US. WHOIS lists registrar:host s.p.a. as the registrar.

Nutrition Label

Resolution chain

sisreg.it resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
208.91.112.55	208.91.112.0/24	AS40934	FORTINET - Fortinet Inc.	US
208.91.112.55	208.91.112.0/24	AS40934	FORTINET - Fortinet Inc.	CA
81.31.158.6	81.31.158.0/24	AS47242	—	IT

WHOIS identity

Registrar: registrar:host s.p.a.
Organization: ires piemonte
Contact emails: —

Subdomains

11 observed subdomains of sisreg.it.

Subdomain
ftp.sisreg.it
imap.sisreg.it
mail.sisreg.it
pop.sisreg.it
relay.sisreg.it
smtp.sisreg.it
staging.sisreg.it
test.sisreg.it
www.sisreg.it

Showing 9 of 11. View all subdomains →

Web-graph footprint

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

6 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for sisreg.it.

Mechanism	Target
SPF_A	sisreg.it
SPF_INCLUDE	spf.host.it
SPF_MX	sisreg.it

Pivot deeper into the graph from sisreg.it.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sisreg.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.