www.mst-sys.com - robtex.com

www.mst-sys.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a8ee🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:4f1f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.79.31Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.238🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.79.31, 172.67.168.238
IPv6 hints2606:4700:3030::ac43:a8ee, 2606:4700:3031::6815:4f1f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com

mst-sys.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a8ee🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:4f1f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.79.31Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.238🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSliberty.ns.cloudflare.com ⭐
NSsid.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.79.31, 172.67.168.238
IPv6 hints2606:4700:3030::ac43:a8ee, 2606:4700:3031::6815:4f1f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAliberty.ns.cloudflare.comdns@cloudflare.com serial=2400711162

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DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026A104.21.79.31172.67.168.2382606:4700:3030::ac43:a8ee2606:4700:3031::6815:4f1f188.114.96.4188.114.97.4198.20.89.182a06:98c1:3120::2a06:98c1:3121::88.208.252.222
●A104.21.79.312026-02-19 → 2026-04-27 · 3 obs
○ 2018-06-01 13:04:56
● 2026-02-19 23:38:42
● 2026-04-27 22:28:32
●A172.67.168.2382026-02-19 → 2026-04-27 · 3 obs
○ 2018-06-01 13:04:56
● 2026-02-19 23:38:42
● 2026-04-27 22:28:32
○A188.114.96.42026-02-19 → 2026-04-27 · 2 obs
○ 2026-02-19 23:38:42
○ 2026-04-27 22:28:32
○A188.114.97.42026-02-19 → 2026-04-27 · 2 obs
○ 2026-02-19 23:38:42
○ 2026-04-27 22:28:32
○A198.20.89.182016-10-10 → 2018-06-01 · 5 obs
○ 2016-07-15 22:22:36
● 2016-10-10 12:20:18
● 2018-06-01 13:04:56
○ 2026-02-19 23:38:42
○ 2026-04-27 22:28:32
●A2606:4700:3030::ac43:a8ee2026-02-19 → 2026-04-27 · 3 obs
○ 2018-06-01 13:04:56
● 2026-02-19 23:38:42
● 2026-04-27 22:28:32
●A2606:4700:3031::6815:4f1f2026-02-19 → 2026-04-27 · 3 obs
○ 2018-06-01 13:04:56
● 2026-02-19 23:38:42
● 2026-04-27 22:28:32
○A2a06:98c1:3120::2026-02-19 → 2026-04-27 · 2 obs
○ 2026-02-19 23:38:42
○ 2026-04-27 22:28:32
○A2a06:98c1:3121::2026-02-19 → 2026-04-27 · 2 obs
○ 2026-02-19 23:38:42
○ 2026-04-27 22:28:32
○A88.208.252.2222015-07-17 → 2016-07-15 · 4 obs
● 2015-07-17 21:36:52
● 2016-07-15 22:22:36
○ 2016-10-10 12:20:18
○ 2026-04-27 22:28:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...-
mst-sys.comsid.ns.cloudflare.com, liberty.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.240

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mst-sys.com (unsigned zone)

⏱️ Timing

Total: 293ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.168.238, 104.21.79.31
AAAA22606:4700:3031::6815:4f1f, 2606:4700:3030::ac43:a8ee
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.mst-sys.com resolves to four IP numbers: 2606:4700:3030::ac43:a8ee, 2606:4700:3031::6815:4f1f, 104.21.79.31 and 172.67.168.238.

Other host names such as arramemc.info, newmono.com, delectabledelightsbyandie.com, pcdlc.com and www.mympsc.com share IPs with www.mst-sys.com.