Hostname

adv.fo

Last fetched Sat, 13 Jun 2026 05:57:45 GMT

adv.fo resolves to 1 IPv4 address operated by AS48854 in DK. WHOIS lists registrar:fo umsitingin as the registrar.

Nutrition Label

Resolution chain

adv.fo 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
93.191.156.146	93.191.152.0/21	AS48854	—	DK

WHOIS identity

Registrar: registrar:fo umsitingin
Organization: heygum & petersen, adv.
Contact emails: —

Subdomains

2 observed subdomains of adv.fo.

Subdomain
mail.adv.fo
www.adv.fo

Web-graph footprint

Distinct hostnames that link to or from adv.fo in the public web crawl.

6 sites link to this hostname.

17 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

adv-fo.mail.protection.outlook.com

SPF policy

2 SPF mechanisms authorising senders for adv.fo.

Mechanism	Target
SPF_INCLUDE	spf.protection.outlook.com
SPF_IP	212.55.38.198

Pivot deeper into the graph from adv.fo.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "adv.fo"})-[: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.