`codex-web-chat-mobile.pages.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:310c::ac42:2c7d^{🇺🇸 Cloudflare2606:4700:310c::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:310c::ac42:2f83^{🇺🇸 Cloudflare2606:4700:310c::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.44.125^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.47.131^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`teresa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26d8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`teresa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`teresa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`teresa.ns.cloudflare.com`
		A	108.162.194.216^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`teresa.ns.cloudflare.com`
		A	162.159.38.216^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`teresa.ns.cloudflare.com`
		A	172.64.34.216^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`teresa.ns.cloudflare.com`
NS	`yichun.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yichun.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yichun.ns.cloudflare.com`
		A	108.162.193.248^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	172.64.33.248^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	173.245.59.248^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	172.66.44.125, 172.66.47.131
		IPv6 hints	2606:4700:310c::ac42:2c7d, 2606:4700:310c::ac42:2f83
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=45, name=cloudflare-ech.com
SOA	`teresa.ns.cloudflare.com`dns@cloudflare.com serial=2407671347

`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=2409652210

rank #305 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: #262

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

codex-web-chat-mobile.pages.dev

DNS History

6 records (6 active, 0 former)

●NSteresa.ns.cloudflare.com2026-06-23 → 2026-07-16 · 2 obs

● 2026-06-23 09:35:56
● 2026-07-16 02:24:48

●NSyichun.ns.cloudflare.com2026-06-23 → 2026-07-16 · 2 obs

● 2026-06-23 09:35:56
● 2026-07-16 02:24:48

●A172.66.44.1252026-06-23 → 2026-07-16 · 2 obs

● 2026-06-23 09:35:56
● 2026-07-16 02:24:48

●A172.66.47.1312026-06-23 → 2026-07-16 · 2 obs

● 2026-06-23 09:35:56
● 2026-07-16 02:24:48

●A2606:4700:310c::ac42:2c7d2026-06-23 → 2026-07-16 · 2 obs

● 2026-06-23 09:35:56
● 2026-07-16 02:24:48

●A2606:4700:310c::ac42:2f832026-06-23 → 2026-07-16 · 2 obs

● 2026-06-23 09:35:56
● 2026-07-16 02:24:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
pages.dev	karl.ns.cloudflare.com, adi.ns.cloudflare.com	-
codex-web-chat-mobile.pages.dev	teresa.ns.cloudflare.com, yichun.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.248

NS records: teresa.ns.cloudflare.com, yichun.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pages.dev (unsigned zone)

⏱️ Timing

Total: 1596ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.44.125, 172.66.47.131`
AAAA	2	`2606:4700:310c::ac42:2f83, 2606:4700:310c::ac42:2c7d`
NS	2	`teresa.ns.cloudflare.com, yichun.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`teresa.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

codex-web-chat-mobile.pages.dev points to the four IP addresses 172.66.44.125, 172.66.47.131, 2606:4700:310c::ac42:2c7d and 2606:4700:310c::ac42:2f83.

mindra-hold.pages.dev, codexdujour.pages.dev, holdings-earnings.pages.dev plus two other host names have IP numbers in common with codex-web-chat-mobile.pages.dev.

Name Servers

codex-web-chat-mobile.pages.dev has two authoritative name servers — teresa.ns.cloudflare.com and yichun.ns.cloudflare.com.

The name server configuration of codex-web-chat-mobile.pages.dev is shared with other domains, for instance advancedterrazzo.com.au, ild-group.co.uk, goat.to and two others.

At least some of codex-web-chat-mobile.pages.dev's name servers are shared with other domains, for example rosyinn.com, dds.education, 88jackpot-official.world and two more.

These name servers tend to be used in conjunction with the name servers jason.ns.cloudflare.com.

Hosts with 6 IP addresses each:

teresa.ns.cloudflare.com points to 108.162.194.216, 162.159.38.216, 172.64.34.216 and 3 other IP addresses.

yichun.ns.cloudflare.com points to 108.162.193.248, 172.64.33.248, 173.245.59.248 and 3 other IP addresses.

codex-web-chat-mobile.pages.dev - robtex.com