Hostname

expro.vn

Last fetched Tue, 21 Jul 2026 15:23:42 GMT

expro.vn resolves to 1 IPv4 address operated by AS7552 in VN.

Nutrition Label

Resolution chain

expro.vn 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
171.244.34.153	171.244.0.0/16	AS7552	—	VN

WHOIS identity

No WHOIS records are currently associated with expro.vn in WhisperGraph.

Subdomains

5 observed subdomains of expro.vn.

Subdomain
blog.expro.vn
hostmaster.expro.vn
seo.expro.vn
wildcard.expro.vn
www.expro.vn

Web-graph footprint

Distinct hostnames that link to or from expro.vn in the public web crawl.

256 sites link to this hostname.

172 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for expro.vn.

Mechanism	Target
SPF_A	smtp.hopthu.vn

Pivot deeper into the graph from expro.vn.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "expro.vn"})-[: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.