dot.bi

differy.eu

Unprotected Web4U s.r.o mailchannels.net
DNS, hosting, email and name analysis are live. Registration data, the home-page probe, the archive lookup and the other-TLD check are being fetched in the background; this page refreshes itself in a few seconds.

Registration

Source: RDAP Not available

Fetching the registry record…

DNS

Source: live resolutionResolved 2026-10-17 06:31 UTC
TypeValue
NSns.web4u.cz · ns2.web4u.cz
A81.91.86.14
AAAA2001:1568::14
MX10 mx1.mailchannels.net
MX10 mx2.mailchannels.net
SOAns.web4u.cz admin.web4u.cz serial 2025050600

Certificates

Source: Certificate Transparency logs

No certificate for this domain has passed through the logs dot.bi follows since it started watching. Older certificates are not back-filled.

Hosting

Source: DNS + Team Cymru
IP
81.91.86.14
Network
AS39790 · WEB4U - Web4U s.r.o., CZ
Provider
Web4U s.r.o
Country
CZ (network registration, not server location)
CDN
none detected
IPv6
yes

Web

Source: dot.bi probe

Probing the home page…

Email

Source: DNS

Unprotected No SPF and no DMARC: this domain can be spoofed.

Provider
mailchannels.net
SPF
missing
DMARC
missing
DKIM
not found common selectors only

Age

Source: Wayback Machine
First capture
looking up…
Years archived
—
Registry created
—
In dot.bi since
2026-10-17 · Visitor lookup

Name analysis

dot.bi dictionaries EN · FR
Words
no dictionary word
Length
7 characters
Digits · hyphens
none · none
Readability
high
Brandability
75 / 100 heuristic

Same name, other TLDs

DNS check, cached a day

Checking the same name on other TLDs…

History observed by dot.bi

Since 2026-10-171 events
First observed by dot.bi · source: lookup