Hostname

rtk.se

Last fetched Mon, 27 Jul 2026 17:07:55 GMT

rtk.se has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:loopia ab as the registrar.

Nutrition Label

Resolution chain

rtk.se has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar: registrar:loopia ab
Organization: —
Contact emails: —

Subdomains

9 observed subdomains of rtk.se.

Subdomain
cpanel.rtk.se
cpcalendars.rtk.se
cpcontacts.rtk.se
mail.rtk.se
rtkemfprotection.rtk.se
webdisk.rtk.se
webmail.rtk.se
www.rtk.se

Showing 8 of 9. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from rtk.se in the public web crawl.

18 sites link to this hostname.

47 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for rtk.se.

Mechanism	Target
SPF_A	rtk.se
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	_vsp.oderland.com
SPF_INCLUDE	spf2.relationbrand.com
SPF_IP	185.20.13.80/32
SPF_MX	rtk.se

Pivot deeper into the graph from rtk.se.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rtk.se"})-[: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.