Hostname

tef.by

Last fetched Tue, 23 Jun 2026 17:25:17 GMT

tef.by is a registered hostname under the .by top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

Resolution chain

Resolution chain data is temporarily unavailable. Refresh in a moment to retry.

WHOIS identity

No WHOIS records are currently associated with tef.by in WhisperGraph.

Web-graph footprint

Distinct hostnames that link to or from tef.by in the public web crawl.

11 sites linked to from this hostname.

Sample inbound links

yandex.by

Sample outbound links

Threat posture

History

Mail and authentication

MX records

tef.by

SPF policy

5 SPF mechanisms authorising senders for tef.by.

Mechanism	Target
SPF_A	tef.by
SPF_INCLUDE	mc.hostflyby.net
SPF_INCLUDE	relay.mailchannels.net
SPF_IP	194.62.19.226
SPF_MX	tef.by

Pivot deeper into the graph from tef.by.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "tef.by"})-[: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.