Hostname

mrhead.sk

Last fetched Fri, 24 Jul 2026 06:29:56 GMT

mrhead.sk resolves to 1 IPv4 address operated by AS51013 in SK. WHOIS lists registrar:websupport s.r.o. as the registrar.

Nutrition Label

Resolution chain

mrhead.sk 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
37.9.175.188	37.9.175.0/24	AS51013	—	SK

WHOIS identity

Registrar: registrar:websupport s.r.o.
Organization: dagi s.r.o.
Contact emails: —

Subdomains

6 observed subdomains of mrhead.sk.

Subdomain
lab.mrhead.sk
mailin1.mrhead.sk
mailin2.mrhead.sk
skischool.mrhead.sk
workouts.mrhead.sk
www.mrhead.sk

Web-graph footprint

Distinct hostnames that link to or from mrhead.sk in the public web crawl.

101 sites link to this hostname.

96 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for mrhead.sk.

Mechanism	Target
SPF_A	mrhead.sk
SPF_INCLUDE	_spf.m1.websupport.sk
SPF_MX	mrhead.sk

Pivot deeper into the graph from mrhead.sk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mrhead.sk"})-[: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.