www.tkresearch.com - robtex.com

www.tkresearch.com

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:28db🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2b25🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.219🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.37🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.40.219, 172.66.43.37
IPv6 hints2606:4700:3108::ac42:28db, 2606:4700:3108::ac42:2b25
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com

tkresearch.com

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:28db🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2b25🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.219🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.37🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoco.ns.cloudflare.com ⭐
NSmax.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
TXTgoogle-site-verification=XZo18ZwrhV4rHQx-OznUldfmdQU6DgmZX1Qy45jJp8g
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.40.219, 172.66.43.37
IPv6 hints2606:4700:3108::ac42:28db, 2606:4700:3108::ac42:2b25
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOAcoco.ns.cloudflare.comdns@cloudflare.com serial=2400261628

Same first word

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DNS History

5 records (4 active, 1 former)

2020202120222023202420252026A172.66.40.219172.66.43.372606:4700:3108::ac42:28db2606:4700:3108::ac42:2b2534.92.200.217
●A172.66.40.2192026-04-02 → 2026-04-13 · 3 obs
○ 2019-12-20 17:22:40
● 2026-04-02 14:11:54
● 2026-04-13 02:02:26
●A172.66.43.372026-04-02 → 2026-04-13 · 3 obs
○ 2019-12-20 17:22:40
● 2026-04-02 14:11:54
● 2026-04-13 02:02:26
●A2606:4700:3108::ac42:28db2026-04-02 → 2026-04-13 · 3 obs
○ 2019-12-20 17:22:40
● 2026-04-02 14:11:54
● 2026-04-13 02:02:26
●A2606:4700:3108::ac42:2b252026-04-02 → 2026-04-13 · 3 obs
○ 2019-12-20 17:22:40
● 2026-04-02 14:11:54
● 2026-04-13 02:02:26
○A34.92.200.2172019-12-20 → 2019-12-20 · 3 obs
● 2019-12-20 17:22:40
○ 2026-04-02 14:11:54
○ 2026-04-13 02:02:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tkresearch.commax.ns.cloudflare.com, coco.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.104

NS records: max.ns.cloudflare.com, coco.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tkresearch.com (unsigned zone)

⏱️ Timing

Total: 112ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.43.37, 172.66.40.219
AAAA22606:4700:3108::ac42:2b25, 2606:4700:3108::ac42:28db
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (max.ns.cloudflare.com, max.ns.cloudflare.com, max.ns.cloudflare.com...)

Analysis

IP Addresses

www.tkresearch.com points to four IP numbers: 2606:4700:3108::ac42:28db, 2606:4700:3108::ac42:2b25, 172.66.40.219 and 172.66.43.37.

Other host names, for instance www.green.cloud, arcfertility.com, protoolstraining.com, green.cloud and okalone.net share IP numbers with www.tkresearch.com.