Hostname

hrtc.de

Last fetched Tue, 26 May 2026 13:53:57 GMT

hrtc.de resolves to 1 IPv4 address operated by IONOS-AS This is the joint network for IONOS, Fasthosts, Arsys, 1&1 Mail and Media and 1&1 Telecom. Formerly known as 1&1 Internet SE. in DE.

Nutrition Label

Resolution chain

hrtc.de 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
217.160.0.49	217.160.0.0/16	AS8560	IONOS-AS This is the joint network for IONOS, Fasthosts, Arsys, 1&1 Mail and Media and 1&1 Telecom. Formerly known as 1&1 Internet SE.	DE

WHOIS identity

No WHOIS records are currently associated with hrtc.de in WhisperGraph.

Subdomains

9 observed subdomains of hrtc.de.

Subdomain
autodiscover.hrtc.de
www.hrtc.de
support.hrtc.de
remote2.hrtc.de
remote.hrtc.de
lkq.hrtc.de
emm.hrtc.de
core.hrtc.de

Showing 8 of 9. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from hrtc.de in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

10 SPF mechanisms authorising senders for hrtc.de.

Mechanism	Target
SPF_A	remote.hrtc.de
SPF_INCLUDE	_spf.kundenserver.de
SPF_INCLUDE	_spf.perfora.net
SPF_INCLUDE	infong519.kundenserver.de
SPF_INCLUDE	lkq.hrtc.de
SPF_INCLUDE	support.hrtc.de
SPF_IP	153.95.95.86/32
SPF_IP	153.95.95.88/32
SPF_IP	82.165.80.32
SPF_MX	hrtc.de

Pivot deeper into the graph from hrtc.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "hrtc.de"})-[: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.