dot.bi

nul.si

SPF only Amazon Web Services improvmx.com
“nul” in other TLDs Compare
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 2026-10-14 14:56 UTC
TypeValue
NSns1.atom.com · ns2.atom.com
A52.20.84.62
MX10 mx1.improvmx.com
MX20 mx2.improvmx.com
TXTafternic-verification-cpTJvLDkNGLXM5Gpyvgk53
TXTv=spf1 include:spf.improvmx.com ~all
TXTc80ef088-28c8-46df-b2fb-f57108c6a187
SOAns1.atom.com hostmaster.nul.si serial 2026100508

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
52.20.84.62
Network
AS14618 · AMAZON-AES - Amazon.com, Inc., US
Provider
Amazon Web Services
Country
US (network registration, not server location)
CDN
none detected
IPv6
no

Web

Source: dot.bi probe

Probing the home page…

Email

Source: DNS

SPF only SPF is published but there is no DMARC policy.

Provider
improvmx.com
SPF
present all: softfail
DMARC
missing
DKIM
not found common selectors only

Age

Source: Wayback Machine
First capture
looking up…
Years archived
—
Registry created
—
In dot.bi since
2026-10-14 · Visitor lookup

Name analysis

dot.bi dictionaries EN · FR
Words
nul EN single
Length
3 characters
Digits · hyphens
none · none
Readability
high
Brandability
90 / 100 heuristic

Same name, other TLDs

DNS check, cached a day

Checking the same name on other TLDs…

History observed by dot.bi

Since 2026-10-141 events
First observed by dot.bi · source: lookup