courseflap.com - robtex.com
courseflap.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:6d3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8748🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.6.211Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.135.72🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | damon.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b60🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | damon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c160🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | damon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2160🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | damon.ns.cloudflare.com | ||||||
| A | 108.162.193.96🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | damon.ns.cloudflare.com | ||||||
| A | 172.64.33.96🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | damon.ns.cloudflare.com | ||||||
| A | 173.245.59.96🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | damon.ns.cloudflare.com | ||||||
| NS | natasha.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2675🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | natasha.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c275🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | natasha.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2275🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | natasha.ns.cloudflare.com | ||||||
| A | 108.162.194.117🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | natasha.ns.cloudflare.com | ||||||
| A | 162.159.38.117Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | natasha.ns.cloudflare.com | ||||||
| A | 172.64.34.117🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | natasha.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.6.211, 172.67.135.72 | ||||||
| IPv6 hints | 2606:4700:3033::6815:6d3, 2606:4700:3037::ac43:8748 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com | ||||||
| SOA | damon.ns.cloudflare.comdns@cloudflare.com serial=2397796724 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776192812 | ||||||
Same first word
courseflap.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdamon.ns.cloudflare.com2026-04-09 → 2026-04-14 · 2 obs
● 2026-04-14 19:18:24
●NSnatasha.ns.cloudflare.com2026-04-09 → 2026-04-14 · 2 obs
● 2026-04-14 19:18:24
●A104.21.6.2112026-04-09 → 2026-04-14 · 2 obs
● 2026-04-14 19:18:24
●A172.67.135.722026-04-09 → 2026-04-14 · 2 obs
● 2026-04-14 19:18:24
●A2606:4700:3033::6815:6d32026-04-09 → 2026-04-14 · 2 obs
● 2026-04-14 19:18:24
●A2606:4700:3037::ac43:87482026-04-09 → 2026-04-14 · 2 obs
● 2026-04-14 19:18:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net... | - |
| courseflap.com | damon.ns.cloudflare.com, natasha.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.96
NS records: damon.ns.cloudflare.com, natasha.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseflap.com (unsigned zone)
⏱️ Timing
Total: 122ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.6.211, 172.67.135.72 |
| AAAA | 2 | 2606:4700:3033::6815:6d3, 2606:4700:3037::ac43:8748 |
| NS | 2 | damon.ns.cloudflare.com, natasha.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | damon.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (damon.ns.cloudflare.com, damon.ns.cloudflare.com, damon.ns.cloudflare.com...)
Analysis
IP Addresses
courseflap.com points to four IP numbers: 2606:4700:3033::6815:6d3, 2606:4700:3037::ac43:8748, 104.21.6.211 and 172.67.135.72.
Other host names including taoting.cn, douye.net, zylorent.com, casinoslegalusa.com and roi.im share IP numbers with courseflap.com.
Name Servers
courseflap.com's delegation uses two name servers, damon.ns.cloudflare.com and natasha.ns.cloudflare.com.
courseflap.com shares the same name server setup as other domains, for example actutennis.com, vsemeda.com, alinalbum.com, mathchan.org and animolz.com.
courseflap.com at least partially shares name servers with other domains, including azsubtitles.com, freakyasf.xyz, witaminowybazar.pl, transeunte.org and gabitzasgreenkitchen.com.
These name servers are commonly used with susan.ns.cloudflare.com, dns1.ednsglobal.net, dns2.ednsglobal.net, dns3.ednsglobal.net, dns4.ednsglobal.net, naomi.ns.cloudflare.com and ines.ns.cloudflare.com.
Host names with six IP numbers:
damon.ns.cloudflare.com points to: 2606:4700:58::adf5:3b60, 2803:f800:50::6ca2:c160, 2a06:98c1:50::ac40:2160, 108.162.193.96, 172.64.33.96 and 173.245.59.96.
natasha.ns.cloudflare.com points to: 2606:4700:50::a29f:2675, 2803:f800:50::6ca2:c275, 2a06:98c1:50::ac40:2275, 108.162.194.117, 162.159.38.117 and 172.64.34.117.