masterclass.support - robtex.com
masterclass.support
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:91c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8d2f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.9.28Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.141.47🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gerald.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3ba8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gerald.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gerald.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21a8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gerald.ns.cloudflare.com | ||||||
| A | 108.162.193.168🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gerald.ns.cloudflare.com | ||||||
| A | 172.64.33.168🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gerald.ns.cloudflare.com | ||||||
| A | 173.245.59.168🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gerald.ns.cloudflare.com | ||||||
| NS | kiki.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ab4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kiki.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kiki.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kiki.ns.cloudflare.com | ||||||
| A | 108.162.192.180🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kiki.ns.cloudflare.com | ||||||
| A | 172.64.32.180🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kiki.ns.cloudflare.com | ||||||
| A | 173.245.58.180🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kiki.ns.cloudflare.com | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.9.28, 172.67.141.47 | ||||||
| IPv6 hints | 2606:4700:3037::6815:91c, 2606:4700:3037::ac43:8d2f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com | ||||||
| SOA | gerald.ns.cloudflare.comdns@cloudflare.com serial=2416580517 | ||||||
support
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.support ⭐ | ||||||
| NS | v0n1.nic.support | ||||||
| NS | v0n2.nic.support | ||||||
| NS | v0n3.nic.support | ||||||
| NS | v2n0.nic.support | ||||||
| NS | v2n1.nic.support | ||||||
| SOA | v0n0.nic.supporthostmaster@donuts.email serial=1792996316 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSgerald.ns.cloudflare.com2026-10-05 → 2026-10-26 · 2 obs
● 2026-10-26 07:24:56
●NSkiki.ns.cloudflare.com2026-10-05 → 2026-10-26 · 2 obs
● 2026-10-26 07:24:56
●A104.21.9.282026-10-05 → 2026-10-26 · 2 obs
● 2026-10-26 07:24:56
●A172.67.141.472026-10-05 → 2026-10-26 · 2 obs
● 2026-10-26 07:24:56
●A2606:4700:3037::6815:91c2026-10-05 → 2026-10-26 · 2 obs
● 2026-10-26 07:24:56
●A2606:4700:3037::ac43:8d2f2026-10-05 → 2026-10-26 · 2 obs
● 2026-10-26 07:24:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| support | v0n0.nic.support, v0n1.nic.support, v0n2.nic.support, v0n3.nic.support... | 12 records |
| masterclass.support | kiki.ns.cloudflare.com, gerald.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.180
NS records: kiki.ns.cloudflare.com, gerald.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterclass.support (unsigned zone)
⏱️ Timing
Total: 2880ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.141.47, 104.21.9.28 |
| AAAA | 2 | 2606:4700:3037::ac43:8d2f, 2606:4700:3037::6815:91c |
| NS | 2 | gerald.ns.cloudflare.com, kiki.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | gerald.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.support, v0n0.nic.support, v0n1.nic.support...)
Analysis
IP Addresses
masterclass.support resolves to four IP addresses: 104.21.9.28, 172.67.141.47, 2606:4700:3037::6815:91c and 2606:4700:3037::ac43:8d2f.
Among the host names that share IP numbers with masterclass.support are littleluxe.co.zw, saymamu.com, raymondklompsma.nl and two others.
Name Servers
masterclass.support uses two name servers for its delegation: gerald.ns.cloudflare.com and kiki.ns.cloudflare.com.
masterclass.support has the same name server delegation as a number of other domains, such as aress.com.au, detoxreviving.site, nobounds.ai and two more.
masterclass.support shares at least some of its name servers with other domains, including anconetani.cl, hopefullysolidmonkey.living, homeassistantdhs22b.uk and two others.
These name servers are frequently paired with the name servers liv.ns.cloudflare.com and elaine.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
Hostname gerald.ns.cloudflare.com directs to 108.162.193.168, 172.64.33.168 and 173.245.59.168 along with 3 other IP addresses.
Hostname kiki.ns.cloudflare.com directs to 108.162.192.180, 172.64.32.180 and 173.245.58.180 along with 3 other IP addresses.