www.rdinstruments.com - robtex.com

www.rdinstruments.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:72a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:87ba🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.7.42Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.186🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.7.42, 172.67.135.186
IPv6 hints2606:4700:3030::6815:72a, 2606:4700:3037::ac43:87ba
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com

rdinstruments.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:72a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:87ba🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.7.42Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.186🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbarbara.ns.cloudflare.com ⭐
NSyadiel.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.7.42, 172.67.135.186
IPv6 hints2606:4700:3030::6815:72a, 2606:4700:3037::ac43:87ba
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com
SOAbarbara.ns.cloudflare.comdns@cloudflare.com serial=2409548207
WOT: SAFE (61/100)
WOT: SAFE (61/100)

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DNS History

9 records (4 active, 5 former)

200920112013201520172019202120232025A104.21.7.42172.67.135.1862606:4700:3030::6815:72a2606:4700:3037::ac43:87ba130.50.202.60207.158.25.2482606:4700:3031::ac43:87ba40.69.143.14664.207.155.125
●A104.21.7.422026-02-18 → 2026-07-16 · 3 obs
○ 2017-03-29 13:14:54
● 2026-02-18 19:01:14
● 2026-07-16 03:48:58
○A130.50.202.602015-07-07 → 2015-11-12 · 5 obs
○ 2008-11-29 09:56:14
● 2015-07-07 00:45:16
● 2015-11-12 18:00:26
○ 2016-02-11 06:57:58
○ 2026-07-16 03:48:58
●A172.67.135.1862026-02-18 → 2026-07-16 · 3 obs
○ 2017-03-29 13:14:54
● 2026-02-18 19:01:14
● 2026-07-16 03:48:58
○A207.158.25.2482008-11-29 → 2008-11-29 · 3 obs
● 2008-11-29 09:56:14
○ 2015-07-07 00:45:16
○ 2026-07-16 03:48:58
●A2606:4700:3030::6815:72a2026-02-18 → 2026-07-16 · 3 obs
○ 2017-03-29 13:14:54
● 2026-02-18 19:01:14
● 2026-07-16 03:48:58
○A2606:4700:3031::ac43:87ba2026-02-18 → 2026-02-18 · 4 obs
○ 2017-03-29 13:14:54
● 2026-02-18 19:01:14
○ 2026-07-14 14:59:42
○ 2026-07-16 03:48:58
●A2606:4700:3037::ac43:87ba2026-07-14 → 2026-07-16 · 3 obs
○ 2026-02-18 19:01:14
● 2026-07-14 14:59:42
● 2026-07-16 03:48:58
○A40.69.143.1462017-03-29 → 2017-03-29 · 4 obs
○ 2016-07-18 23:54:02
● 2017-03-29 13:14:54
○ 2026-02-18 19:01:14
○ 2026-07-16 03:48:58
○A64.207.155.1252016-02-11 → 2016-07-18 · 5 obs
○ 2015-11-12 18:00:26
● 2016-02-11 06:57:58
● 2016-07-18 23:54:02
○ 2017-03-29 13:14:54
○ 2026-07-16 03:48:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rdinstruments.combarbara.ns.cloudflare.com, yadiel.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.248

NS records: barbara.ns.cloudflare.com, yadiel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rdinstruments.com (unsigned zone)

⏱️ Timing

Total: 123ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.7.42, 172.67.135.186
AAAA22606:4700:3030::6815:72a, 2606:4700:3037::ac43:87ba
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.rdinstruments.com has four IP addresses: 104.21.7.42, 172.67.135.186, 2606:4700:3030::6815:72a and 2606:4700:3037::ac43:87ba.

tacyarg.com, mollisshop.co.kr, forwardtogetherco.com and two other host names share IP numbers with www.rdinstruments.com.