ns1.linuxoptic.com - robtex.com

ns1.linuxoptic.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:b3c0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3b98🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.59.152Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.179.192🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.59.152, 172.67.179.192
IPv62606:4700:3033::ac43:b3c0, 2606:4700:3037::6815:3b98

linuxoptic.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:b3c0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3b98🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.59.152Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.179.192🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoraline.ns.cloudflare.com ⭐
NSnoel.ns.cloudflare.com
MX_dc-mx.59390ebc6207.linuxoptic.com ⭐
TXTv=spf1 +a +mx +include:websitewelcome.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.59.152, 172.67.179.192
IPv62606:4700:3033::ac43:b3c0, 2606:4700:3037::6815:3b98
SOAcoraline.ns.cloudflare.comdns@cloudflare.com serial=2397715030

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.59.152172.67.179.1922606:4700:3033::ac43:b3c02606:4700:3037::6815:3b98143.95.109.24150.23.201.244
●A104.21.59.1522026-03-26 → 2026-03-26 · 3 obs
○ 2016-08-31 21:24:54
● 2026-03-26 02:47:48
● 2026-03-26 02:47:50
○A143.95.109.2412016-04-27 → 2016-08-31 · 5 obs
○ 2016-04-05 23:55:42
● 2016-04-27 20:11:16
● 2016-08-31 21:24:54
○ 2026-03-26 02:47:48
○ 2026-03-26 02:47:50
●A172.67.179.1922026-03-26 → 2026-03-26 · 3 obs
○ 2016-08-31 21:24:54
● 2026-03-26 02:47:48
● 2026-03-26 02:47:50
●A2606:4700:3033::ac43:b3c02026-03-26 → 2026-03-26 · 3 obs
○ 2016-08-31 21:24:54
● 2026-03-26 02:47:48
● 2026-03-26 02:47:50
●A2606:4700:3037::6815:3b982026-03-26 → 2026-03-26 · 3 obs
○ 2016-08-31 21:24:54
● 2026-03-26 02:47:48
● 2026-03-26 02:47:50
○A50.23.201.2442015-09-01 → 2016-04-05 · 4 obs
● 2015-09-01 09:47:20
● 2016-04-05 23:55:42
○ 2016-04-27 20:11:16
○ 2026-03-26 02:47:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...-
linuxoptic.comnoel.ns.cloudflare.com, coraline.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.216

NS records: noel.ns.cloudflare.com, coraline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxoptic.com (unsigned zone)

⏱️ Timing

Total: 104ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.179.192, 104.21.59.152
AAAA22606:4700:3037::6815:3b98, 2606:4700:3033::ac43:b3c0
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by ns1.linuxoptic.com: 2606:4700:3033::ac43:b3c0, 2606:4700:3037::6815:3b98, 104.21.59.152 and 172.67.179.192.

other host names including betist1687.com, sz6c.com, incometwitter.com, www.her(0x616e616c)isveris.com and boldbettingonline.com share IP numbers with ns1.linuxoptic.com.