dot.bi

tdtech.org

HTTPS live Unprotected DNSSEC signed Comcast Cable Communications Cloudflare Email Routing
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 · rdap.publicinterestregistry.org Fetched 2026-10-15 03:54 UTC
Created
2017-02-23 (9 years ago)
Expires
2027-02-23 (4 months from now)
Last updated
2026-08-12
Registrar
Cloudflare, Inc. · IANA 1910
Statuses
client transfer prohibited
DNSSEC
Signed
Nameservers (registry)
ivan.ns.cloudflare.com · janet.ns.cloudflare.com
Record
registry RDAP · registrar RDAP

DNS

Source: live resolutionResolved 2026-10-16 14:27 UTC
TypeValue
NSivan.ns.cloudflare.com · janet.ns.cloudflare.com
A73.224.193.130
MX59 route2.mx.cloudflare.net
MX63 route1.mx.cloudflare.net
MX95 route3.mx.cloudflare.net
SOAivan.ns.cloudflare.com dns.cloudflare.com serial 2417507426

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
73.224.193.130
Network
AS7922 · COMCAST-7922 - Comcast Cable Communications, LLC, US
Provider
Comcast Cable Communications
Country
US (network registration, not server location)
CDN
none detected
IPv6
no

Web

Source: dot.bi probeProbed 2026-10-15 03:54 UTC
Status
200
Final URL
https://tdtech.org/
Title
td/tech - software made at the bench (PREVIEW)
Description
Radio apps for RTL-SDR dongles, software for old Power Macs and a self-hosted music app, from a home lab.
Server
nginx
Technologies
nginx
HSTS
yes

Email

Source: DNS

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

Provider
Cloudflare Email Routing
SPF
missing
DMARC
missing
DKIM
not found common selectors only

Age

Source: Wayback Machine
First capture
looking up…
Years archived
—
Registry created
2017-02-23
In dot.bi since
2026-10-15 · Visitor lookup

Name analysis

dot.bi dictionaries EN · FR
Words
no dictionary word
Length
6 characters
Digits · hyphens
none · none
Readability
low
Brandability
60 / 100 heuristic

Same name, other TLDs

DNS check, cached a day
DomainResolvesIn dot.bi
tdtech.com yes look up
tdtech.net yes look up
tdtech.io yes look up
tdtech.co yes look up
tdtech.ai no DNS look up
tdtech.app yes profile
tdtech.dev no DNS look up
tdtech.fr no DNS look up
“No DNS” means no nameservers answered. It does not mean the domain is available.

History observed by dot.bi

Since 2026-10-151 events
First observed by dot.bi · source: lookup