ns3.master-dns.com - robtex.com

ns3.master-dns.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:46a5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:89b5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.165Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.181🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.165, 172.67.137.181
IPv6 hints2606:4700:3033::6815:46a5, 2606:4700:3037::ac43:89b5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com

master-dns.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:46a5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:89b5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.165Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.181🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchan.ns.cloudflare.com ⭐
NSdylan.ns.cloudflare.com
MXsmtp.master-dns.com ⭐
TXTgoogle-site-verification=uWHPAgp33FcTTmEHHBeQcO1H36h_PwUNnxCWS5KiKIM
TXTv=spf1 +a +mx +ip4:163.182.170.162 +ip4:90.84.226.26 +ip4:173.233.68.249 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.165, 172.67.137.181
IPv6 hints2606:4700:3033::6815:46a5, 2606:4700:3037::ac43:89b5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com
SOAchan.ns.cloudflare.comdns@cloudflare.com serial=2407992439

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DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026A104.21.70.165172.67.137.1812606:4700:3033::6815:46a52606:4700:3037::ac43:89b5188.114.96.0188.114.97.0199.223.254.1552606:4700:3032::6815:46a52606:4700:3034::ac43:89b52a06:98c1:3120::2a06:98c1:3121::67.196.5.224
●A104.21.70.1652026-05-16 → 2026-07-19 · 3 obs
○ 2016-10-19 00:28:18
● 2026-05-16 12:15:12
● 2026-07-19 00:21:00
●A172.67.137.1812026-05-16 → 2026-07-19 · 3 obs
○ 2016-10-19 00:28:18
● 2026-05-16 12:15:12
● 2026-07-19 00:21:00
○A188.114.96.02026-05-16 → 2026-07-19 · 2 obs
○ 2026-05-16 12:15:12
○ 2026-07-19 00:21:00
○A188.114.97.02026-05-16 → 2026-07-19 · 2 obs
○ 2026-05-16 12:15:12
○ 2026-07-19 00:21:00
○A199.223.254.1552015-10-16 → 2016-10-19 · 5 obs
○ 2015-06-28 13:09:08
● 2015-10-16 10:18:02
● 2016-10-19 00:28:18
○ 2026-05-16 12:15:12
○ 2026-07-19 00:21:00
○A2606:4700:3032::6815:46a52026-05-16 → 2026-06-07 · 5 obs
○ 2016-10-19 00:28:18
● 2026-05-16 12:15:12
● 2026-06-07 15:09:38
○ 2026-07-08 06:23:06
○ 2026-07-19 00:21:00
●A2606:4700:3033::6815:46a52026-07-08 → 2026-07-19 · 3 obs
○ 2026-06-07 15:09:38
● 2026-07-08 06:23:06
● 2026-07-19 00:21:00
○A2606:4700:3034::ac43:89b52026-05-16 → 2026-06-07 · 5 obs
○ 2016-10-19 00:28:18
● 2026-05-16 12:15:12
● 2026-06-07 15:09:38
○ 2026-07-08 06:23:06
○ 2026-07-19 00:21:00
●A2606:4700:3037::ac43:89b52026-07-08 → 2026-07-19 · 3 obs
○ 2026-06-07 15:09:38
● 2026-07-08 06:23:06
● 2026-07-19 00:21:00
○A2a06:98c1:3120::2026-05-16 → 2026-07-19 · 2 obs
○ 2026-05-16 12:15:12
○ 2026-07-19 00:21:00
○A2a06:98c1:3121::2026-05-16 → 2026-07-19 · 2 obs
○ 2026-05-16 12:15:12
○ 2026-07-19 00:21:00
○A67.196.5.2242015-06-28 → 2015-06-28 · 3 obs
● 2015-06-28 13:09:08
○ 2015-10-16 10:18:02
○ 2026-07-19 00:21:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...-
master-dns.comchan.ns.cloudflare.com, dylan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.187

NS records: chan.ns.cloudflare.com, dylan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for master-dns.com (unsigned zone)

⏱️ Timing

Total: 203ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.137.181, 104.21.70.165
AAAA22606:4700:3033::6815:46a5, 2606:4700:3037::ac43:89b5
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ns3.master-dns.com resolves to four IP addresses: 104.21.70.165, 172.67.137.181, 2606:4700:3033::6815:46a5 and 2606:4700:3037::ac43:89b5.

Among the host names that share IP numbers with ns3.master-dns.com are almaty.ppz.kz, www.bd312.com, www.iaalfa.es and two others.