xdr.nubmaster.com - robtex.com

xdr.nubmaster.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:98fb🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:31dd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.221Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.251🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.221, 172.67.152.251
IPv6 hints2606:4700:3033::ac43:98fb, 2606:4700:3035::6815:31dd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com

nubmaster.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:98fb🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:31dd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.221Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.251🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdean.ns.cloudflare.com ⭐
NSoaklyn.ns.cloudflare.com
MX_dc-mx.6b100581fcd3.nubmaster.com ⭐
TXTgoogle-site-verification=L8ne8mIjwvcFCwOGMlduffb6e_GmJwzTr4Zsu5B8BzE
TXTv=spf1 +a +mx +ip4:198.252.105.21 include:_spf.arandomserver.com +ip4:198.252...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.221, 172.67.152.251
IPv6 hints2606:4700:3033::ac43:98fb, 2606:4700:3035::6815:31dd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com
SOAdean.ns.cloudflare.comdns@cloudflare.com serial=2398618003
📈 Tranco rank: #837,215

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DNS History

4 records (4 active, 0 former)

A104.21.49.221172.67.152.2512606:4700:3033::ac43:98fb2606:4700:3035::6815:31dd
●A104.21.49.2212026-03-28 → 2026-04-13 · 2 obs
● 2026-03-28 12:16:36
● 2026-04-13 04:57:48
●A172.67.152.2512026-03-28 → 2026-04-13 · 2 obs
● 2026-03-28 12:16:36
● 2026-04-13 04:57:48
●A2606:4700:3033::ac43:98fb2026-03-28 → 2026-04-13 · 2 obs
● 2026-03-28 12:16:36
● 2026-04-13 04:57:48
●A2606:4700:3035::6815:31dd2026-03-28 → 2026-04-13 · 2 obs
● 2026-03-28 12:16:36
● 2026-04-13 04:57:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net...-
nubmaster.comdean.ns.cloudflare.com, oaklyn.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.90

NS records: dean.ns.cloudflare.com, oaklyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nubmaster.com (unsigned zone)

⏱️ Timing

Total: 297ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.49.221, 172.67.152.251
AAAA22606:4700:3033::ac43:98fb, 2606:4700:3035::6815:31dd
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

xdr.nubmaster.com resolves to four IPs: 2606:4700:3033::ac43:98fb, 2606:4700:3035::6815:31dd, 104.21.49.221 and 172.67.152.251.

Other host names such as sanrennet.com, btseek.com, 9k2otr3dq8.top, chrisbjerken.com and eurosoft.com.cy share IP numbers with xdr.nubmaster.com.