Hostname

dev.by

Last fetched Thu, 21 May 2026 22:29:50 GMT

dev.by resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:open contact, ltd as the registrar.

Nutrition Label

Resolution chain

dev.by resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
104.21.34.245	104.21.32.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
172.67.166.161	172.67.160.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA

WHOIS identity

Registrar: registrar:open contact, ltd
Organization: ??? '??? ??? ?????'
Contact emails: —

Subdomains

23 observed subdomains of dev.by.

Subdomain
admin.dev.by
www.dev.by
uploads.dev.by
static.dev.by
shared.dev.by
salaries.dev.by
resumes.dev.by
r.dev.by
pve.dev.by
product.dev.by
primeassets.dev.by
mo.dev.by
mediakit.dev.by
media.dev.by
lady.dev.by
jobs.dev.by
ironman.dev.by
images.dev.by
id.dev.by
fillme.dev.by
events.dev.by
companies.dev.by
assets.dev.by

Web-graph footprint

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

543 sites link to this hostname.

Sample inbound links

Sample outbound links

devby.io

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for dev.by.

Mechanism	Target
SPF_A	dev.by
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	mail.zendesk.com
SPF_INCLUDE	mxsspf.sendpulse.com
SPF_INCLUDE	sendgrid.net
SPF_INCLUDE	spf.mail.intercom.io
SPF_INCLUDE	spf.mandrillapp.com
SPF_MX	dev.by

Pivot deeper into the graph from dev.by.

Cypher and MCP

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

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