Hostname

1.sc

Last fetched Fri, 22 May 2026 08:18:01 GMT

1.sc resolves to 1 IPv4 address operated by ESTEITINVEST in RU. WHOIS lists iana:1387 as the registrar.

Nutrition Label

Resolution chain

1.sc 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
91.236.136.105	91.236.136.0/24	AS44094	ESTEITINVEST	RU

WHOIS identity

Registrar: iana:1387
Organization: wu qing yi
Contact emails: —

Subdomains

2 observed subdomains of 1.sc.

Subdomain
mail.1.sc
www.1.sc

Web-graph footprint

Distinct hostnames that link to or from 1.sc in the public web crawl.

25 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

e.nm.ru

SPF policy

3 SPF mechanisms authorising senders for 1.sc.

Mechanism	Target
SPF_A	1.sc
SPF_IP	91.236.136.105
SPF_MX	1.sc

Pivot deeper into the graph from 1.sc.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "1.sc"})-[: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.