www.robotscience.co.kr - robtex.com

www.robotscience.co.kr

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3792🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:9524🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.146Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.36🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.146, 172.67.149.36
IPv6 hints2606:4700:3033::6815:3792, 2606:4700:3034::ac43:9524
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com

robotscience.co.kr

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3792🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:9524🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.146Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.36🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaida.ns.cloudflare.com ⭐
NSsid.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)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=bjt74E-3uAP9Nmdg0RnVHM6Aplu2RED8Ji9MGLHVL0U
TXTv=spf1 ip4:121.78.197.94 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.146, 172.67.149.36
IPv6 hints2606:4700:3033::6815:3792, 2606:4700:3034::ac43:9524
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOAaida.ns.cloudflare.comdns@cloudflare.com serial=2402547759

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DNS History

6 records (4 active, 2 former)

20192020202120222023202420252026A104.21.55.146172.67.149.362606:4700:3033::6815:37922606:4700:3034::ac43:9524121.78.197.12121.78.197.94
●A104.21.55.1462026-05-11 → 2026-05-11 · 2 obs
○ 2026-03-26 11:13:30
● 2026-05-11 14:02:06
○A121.78.197.122018-05-09 → 2018-05-09 · 3 obs
● 2018-05-09 04:35:16
○ 2026-03-08 00:47:48
○ 2026-05-11 14:02:06
○A121.78.197.942026-03-08 → 2026-03-26 · 4 obs
○ 2018-05-09 04:35:16
● 2026-03-08 00:47:48
● 2026-03-26 11:13:30
○ 2026-05-11 14:02:06
●A172.67.149.362026-05-11 → 2026-05-11 · 2 obs
○ 2026-03-26 11:13:30
● 2026-05-11 14:02:06
●A2606:4700:3033::6815:37922026-05-11 → 2026-05-11 · 2 obs
○ 2026-03-26 11:13:30
● 2026-05-11 14:02:06
●A2606:4700:3034::ac43:95242026-05-11 → 2026-05-11 · 2 obs
○ 2026-03-26 11:13:30
● 2026-05-11 14:02:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
robotscience.co.krsid.ns.cloudflare.com, aida.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.58

NS records: sid.ns.cloudflare.com, aida.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robotscience.co.kr (unsigned zone)

⏱️ Timing

Total: 1067ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.55.146, 172.67.149.36
AAAA22606:4700:3033::6815:3792, 2606:4700:3034::ac43:9524
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.robotscience.co.kr points to four IP numbers: 2606:4700:3033::6815:3792, 2606:4700:3034::ac43:9524, 104.21.55.146 and 172.67.149.36.

Other host names, for instance thermal-economics.co.uk, forefeltgrid.click, crystalcosmos.sbs, www.hrdt.com.pe and centrumbox.fr share IP numbers with www.robotscience.co.kr.