`fctv33hd.courses`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:2387^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:df2a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.135^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.42^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bayan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c148^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bayan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2148^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bayan.ns.cloudflare.com`
		A	108.162.193.72^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	172.64.33.72^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	173.245.59.72^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
NS	`itzel.ns.cloudflare.com`
		A	2606:4700:50::a29f:262a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`itzel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`itzel.ns.cloudflare.com`
		A	108.162.194.42^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	162.159.38.42^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	172.64.34.42^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
TXT	`google-site-verification=yJvpAgyIO3E2E18HnkaqP4XjhxTMzovdRZ6uc5sBIMs`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.35.135, 172.67.223.42
		IPv6 hints	2606:4700:3035::6815:2387, 2606:4700:3035::ac43:df2a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=202, name=cloudflare-ech.com
SOA	`bayan.ns.cloudflare.com`dns@cloudflare.com serial=2409693196

`courses`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.courses` ⭐
	NS	`b.nic.courses`
	NS	`c.nic.courses`
	NS	`x.nic.courses`
	NS	`y.nic.courses`
	NS	`z.nic.courses`
	SOA	`a.nic.courses`admin@tldns.godaddy serial=1785574168

Subdomains

www.fctv33hd.courses

Same first word

fctv33hd.mom

fctv33hd.hair

fctv33hd.courses

fctv33hd.yachts

fctv33hd.sbs

fctv33hd.work

fctv33hd.motorcycles

fctv33hd.beer

fctv33hd.cfd

fctv33hd.cyou

fctv33hd.one

fctv33hd.buzz

fctv33hd.best

fctv33hd.garden

fctv33hd.bond

fctv33hd.homes

fctv33hd.lat

fctv33hd.boats

fctv33hd.lol

fctv33hd.xyz

fctv33hd.top

fctv33hd.rest

fctv33hd.click

fctv33hd.baby

fctv33hd.monster

fctv33hd.surf

DNS History

6 records (6 active, 0 former)

●NSbayan.ns.cloudflare.com2026-07-18 → 2026-08-01 · 2 obs

● 2026-07-18 22:39:24
● 2026-08-01 09:12:22

●NSitzel.ns.cloudflare.com2026-07-18 → 2026-08-01 · 2 obs

● 2026-07-18 22:39:24
● 2026-08-01 09:12:22

●A104.21.35.1352026-07-18 → 2026-08-01 · 2 obs

● 2026-07-18 22:39:24
● 2026-08-01 09:12:22

●A172.67.223.422026-07-18 → 2026-08-01 · 2 obs

● 2026-07-18 22:39:24
● 2026-08-01 09:12:22

●A2606:4700:3035::6815:23872026-07-18 → 2026-08-01 · 2 obs

● 2026-07-18 22:39:24
● 2026-08-01 09:12:22

●A2606:4700:3035::ac43:df2a2026-07-18 → 2026-08-01 · 2 obs

● 2026-07-18 22:39:24
● 2026-08-01 09:12:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
courses	a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...	12 records
fctv33hd.courses	bayan.ns.cloudflare.com, itzel.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.72

NS records: bayan.ns.cloudflare.com, itzel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fctv33hd.courses (unsigned zone)

⏱️ Timing

Total: 382ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.35.135, 172.67.223.42`
AAAA	2	`2606:4700:3035::6815:2387, 2606:4700:3035::ac43:df2a`
NS	2	`bayan.ns.cloudflare.com, itzel.ns.cloudflare.com`
TXT	1	`google-site-verification=yJvpAgyIO3E2E18`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bayan.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)

Analysis

Hierarchy

www.fctv33hd.courses is delegated beneath fctv33hd.courses.

IP Addresses

fctv33hd.courses points to the four IP addresses 104.21.35.135, 172.67.223.42, 2606:4700:3035::6815:2387 and 2606:4700:3035::ac43:df2a.

003339tz731129.8ezgdi3t8f.cyou, gzxpu.com, flemmix.casa and two other host names share IP numbers with fctv33hd.courses.

Name Servers

fctv33hd.courses uses two name servers for its delegation: bayan.ns.cloudflare.com and itzel.ns.cloudflare.com.

fctv33hd.courses uses the same name servers as several other domains — among them xshy.com, fctv33.homes, pcisp.com and two more.

There is at least partial name server overlap between fctv33hd.courses and other domains — inkhero.be, yiyukeji1.com, zxbx371.com and two more among them.

These name servers tend to appear in combination with the name servers rory.ns.cloudflare.com, camilo.ns.cloudflare.com, lucy.ns.cloudflare.com and ben.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname bayan.ns.cloudflare.com directs to 108.162.193.72, 172.64.33.72 and 173.245.59.72 along with 3 other IP addresses.

Hostname itzel.ns.cloudflare.com directs to 108.162.194.42, 162.159.38.42 and 172.64.34.42 along with 3 other IP addresses.

fctv33hd.courses - robtex.com