`learn-trezur-docs.pages.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:310c::ac42:2cc5^{🇺🇸 Cloudflare2606:4700:310c::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:310c::ac42:2f3b^{🇺🇸 Cloudflare2606:4700:310c::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.44.197^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.47.59^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cleo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b59^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c159^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cleo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2159^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cleo.ns.cloudflare.com`
		A	108.162.193.89^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	172.64.33.89^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	173.245.59.89^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
NS	`val.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`val.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`val.ns.cloudflare.com`
		A	108.162.192.234^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	172.64.32.234^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	173.245.58.234^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	172.66.44.197, 172.66.47.59
		IPv6 hints	2606:4700:310c::ac42:2cc5, 2606:4700:310c::ac42:2f3b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOA	`cleo.ns.cloudflare.com`dns@cloudflare.com serial=2406513814

`pages.dev`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:1487^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:1587^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.20.135^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.21.135^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adi.ns.cloudflare.com` ⭐
NS	`karl.ns.cloudflare.com`
TXT	`ca3-5c38164b370642b5ab3dc252644cfaff`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.20.135, 104.18.21.135
		IPv6 hints	2606:4700::6812:1487, 2606:4700::6812:1587
SOA	`adi.ns.cloudflare.com`dns@cloudflare.com serial=2409489711

rank #307 globally
rank #1 in the tld

pages.dev

pages.dev is a domain operated by Cloudflare, Inc. It provides preview URLs for sites hosted on Cloudflare Pages, a Jamstack static‑site hosting platform.

Key facts

Owner / operator: Cloudflare, Inc.
TLD:.dev— gTLD
Primary purpose: static site hosting preview URLs for Cloudflare Pages
Status: active

Notable subdomains or services

*.pages.dev– preview URLs for individual Cloudflare Pages projects

Semrush Rank:#2,084,788 Keywords:2 Traffic:325/mo
WOT: SAFE (50/100)
📈 Tranco rank: #261

Cloudflare Pages

pages.dev is the default domain for Cloudflare Pages, a JAMstack deployment platform for frontend developers. When you deploy a site to Cloudflare Pages, it's automatically hosted on a*.pages.devsubdomain (e.g.,mysite.pages.dev), with the option to add custom domains.

Key Features

Git-based deployments — Automatic builds triggered by pushes to GitHub or GitLab
Framework support — React, Vue, Gatsby, Hugo, and other popular frameworks
Preview URLs — Auto-generated links for every commit to facilitate collaboration
Edge network — Sites run on Cloudflare's global CDN with HTTP/3, QUIC, and automatic SSL
Free tier — Unlimited sites with 500 builds/month and unlimited bandwidth

Technical Details

Nameservers:adi.ns.cloudflare.com,karl.ns.cloudflare.com
IPv4: 104.18.20.135, 104.18.21.135
IPv6: 2606:4700::6812:1487, 2606:4700::6812:1587
Hosting: Cloudflare (AS13335)
Mail servers: None (no MX records)
DNSSEC: Not signed

Ranking

Tranco rank #416 globally, making it the #1 most popular domain in the.devTLD. The.devTLD is operated by Charleston Road Registry (a Google subsidiary).

Same first word

learn-trezur-docs.github.io

learn-trezur-docs.pages.dev

DNS History

10 records (6 active, 4 former)

●NScleo.ns.cloudflare.com2026-04-13 → 2026-07-14 · 2 obs

● 2026-04-13 19:24:28
● 2026-07-14 05:06:06

●NSval.ns.cloudflare.com2026-04-13 → 2026-07-14 · 2 obs

● 2026-04-13 19:24:28
● 2026-07-14 05:06:06

●A172.66.44.1972026-04-13 → 2026-07-14 · 2 obs

● 2026-04-13 19:24:28
● 2026-07-14 05:06:06

●A172.66.47.592026-04-13 → 2026-07-14 · 2 obs

● 2026-04-13 19:24:28
● 2026-07-14 05:06:06

○A188.114.96.02026-04-13 → 2026-07-14 · 2 obs

○ 2026-04-13 19:24:28
○ 2026-07-14 05:06:06

○A188.114.97.02026-04-13 → 2026-07-14 · 2 obs

○ 2026-04-13 19:24:28
○ 2026-07-14 05:06:06

●A2606:4700:310c::ac42:2cc52026-04-13 → 2026-07-14 · 2 obs

● 2026-04-13 19:24:28
● 2026-07-14 05:06:06

●A2606:4700:310c::ac42:2f3b2026-04-13 → 2026-07-14 · 2 obs

● 2026-04-13 19:24:28
● 2026-07-14 05:06:06

○A2a06:98c1:3120::2026-04-13 → 2026-07-14 · 2 obs

○ 2026-04-13 19:24:28
○ 2026-07-14 05:06:06

○A2a06:98c1:3121::2026-04-13 → 2026-07-14 · 2 obs

○ 2026-04-13 19:24:28
○ 2026-07-14 05:06:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
pages.dev	karl.ns.cloudflare.com, adi.ns.cloudflare.com	-
learn-trezur-docs.pages.dev	cleo.ns.cloudflare.com, val.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.89

NS records: cleo.ns.cloudflare.com, val.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pages.dev (unsigned zone)

⏱️ Timing

Total: 497ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.47.59, 172.66.44.197`
AAAA	2	`2606:4700:310c::ac42:2cc5, 2606:4700:310c::ac42:2f3b`
NS	2	`cleo.ns.cloudflare.com, val.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cleo.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

learn-trezur-docs.pages.dev directs to four IP numbers, which are 172.66.44.197, 172.66.47.59, 2606:4700:310c::ac42:2cc5 and 2606:4700:310c::ac42:2f3b.

meta-voice-eg7.pages.dev, oagclaudeblog105172026.pages.dev, connections-unlimited.pages.dev plus two other host names have IP numbers in common with learn-trezur-docs.pages.dev.

Name Servers

DNS delegation for learn-trezur-docs.pages.dev points to two name servers: cleo.ns.cloudflare.com and val.ns.cloudflare.com.

The name server configuration of learn-trezur-docs.pages.dev is shared with other domains, for instance marcus-luck.com, antrang.us, fixalzheimermemory.health and two others.

At least some of learn-trezur-docs.pages.dev's name servers are shared with other domains, for example crossamericapartners.com, estafefta.top, atchristianlouboutin.com and two more.

These name servers tend to be deployed in combination with the name servers gina.ns.cloudflare.com and dalary.ns.cloudflare.com.

Hosts with 6 IP addresses each:

cleo.ns.cloudflare.com has IP addresses 108.162.193.89, 172.64.33.89 and 173.245.59.89, plus 3 other.

val.ns.cloudflare.com has IP addresses 108.162.192.234, 172.64.32.234 and 173.245.58.234, plus 3 other.

learn-trezur-docs.pages.dev - robtex.com