Hostname

serge.nu

Last fetched Sun, 26 Jul 2026 08:59:36 GMT

serge.nu resolves to 1 IPv4 address operated by AS20857 in NL.

Nutrition Label

Resolution chain

serge.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
37.97.146.242	37.97.128.0/17	AS20857	—	NL

WHOIS identity

No WHOIS records are currently associated with serge.nu in WhisperGraph.

Subdomains

2 observed subdomains of serge.nu.

Subdomain
mail.serge.nu
www.serge.nu

Web-graph footprint

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

19 sites linked to from this hostname.

Sample inbound links

michelconcept.nl

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.serge.nu

SPF policy

2 SPF mechanisms authorising senders for serge.nu.

Mechanism	Target
SPF_INCLUDE	spf.deephosting.com
SPF_IP	84.116.50.10/24

Pivot deeper into the graph from serge.nu.

Cypher and MCP

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

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