Hostname

sim.nu

Last fetched Mon, 29 Jun 2026 23:55:05 GMT

sim.nu resolves to 1 IPv4 address operated by AS39570 in SE.

Nutrition Label

Resolution chain

sim.nu 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
93.188.2.52	93.188.2.0/23	AS39570	—	SE

WHOIS identity

No WHOIS records are currently associated with sim.nu in WhisperGraph.

Subdomains

2 observed subdomains of sim.nu.

Subdomain
mail.sim.nu
www.sim.nu

Web-graph footprint

Distinct hostnames that link to or from sim.nu in the public web crawl.

22 sites link to this hostname.

55 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mailcluster.loopia.se

SPF policy

1 SPF mechanism authorising senders for sim.nu.

Mechanism	Target
SPF_INCLUDE	spf.loopia.se

Pivot deeper into the graph from sim.nu.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sim.nu"})-[: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.