Hostname

b.ersei.net

Last fetched Fri, 31 Jul 2026 03:47:53 GMT

b.ersei.net resolves to 1 IPv4 address operated by PURDUE - Purdue University in US.

Nutrition Label

Resolution chain

b.ersei.net 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
128.210.6.106	128.210.0.0/16	AS17	PURDUE - Purdue University	US

WHOIS identity

No WHOIS records are currently associated with b.ersei.net in WhisperGraph.

Web-graph footprint

Distinct hostnames that link to or from b.ersei.net in the public web crawl.

Sample inbound links

blue.mackuba.eu

Threat posture

History

Mail and authentication

MX records

mailserver.purelymail.com

SPF policy

1 SPF mechanism authorising senders for b.ersei.net.

Mechanism	Target
SPF_INCLUDE	_spf.purelymail.com

Pivot deeper into the graph from b.ersei.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "b.ersei.net"})-[: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.