Hostname

roffa.nu

Last fetched Sun, 24 May 2026 06:44:08 GMT

roffa.nu resolves to 1 IPv4 address operated by PREVIDER-AS in NL.

Nutrition Label

Resolution chain

roffa.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
141.138.168.147	141.138.168.0/22	AS20847	PREVIDER-AS	NL

WHOIS identity

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Subdomains

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Web-graph footprint

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

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.roffa.nu

SPF policy

6 SPF mechanisms authorising senders for roffa.nu.

Mechanism	Target
SPF_A	roffa.nu
SPF_IP	141.138.168.0/21
SPF_IP	195.211.72.0/22
SPF_IP	2a03:3c00:a001::/48
SPF_IP	2a03:3c00:a002::/48
SPF_MX	roffa.nu

Pivot deeper into the graph from roffa.nu.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "roffa.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.