mout.web.dev - dns.ninja

`mout.web.dev`

CNAME	`www3.l.google.com`
DNSSEC	⚠️ Not signed
A	2607:f8b0:4007:80b::200e^{🇺🇸 Google2607:f8b0:4007::/48}
		PTR	`dclaxa-as-in-x0e.1e100.net`
		PTR	`lax02s23-in-x0e.1e100.net`
A	142.251.210.142^{🇺🇸 Google142.250.0.0/15}

`web.dev`

	DNSSEC	⚠️ Not signed
	A	2001:4860:4802:32::1b^{🇺🇸 Google2001:4860::/32}
	A	216.239.32.27^{🇺🇸 Google216.239.32.0/24}
	NS	`ns1.zdns.google` ⭐
	NS	`ns2.zdns.google`
	NS	`ns3.zdns.google`
	NS	`ns4.zdns.google`
	TXT	`google-site-verification=1KUpoM0U9uMGLkzIL1CaCnZDapQByrD74Wr92wrYZdA`
	SOA	`ns1.zdns.google`cloud-dns-hostmaster@google.com serial=1

WOT: SAFE (62/100)
rank #559 globally
rank #2 in the tld

web.dev

web.dev is a resource website run by Google that publishes guidance, tutorials, and tools to help developers build high-quality, modern web experiences. It covers topics such as performance, accessibility, best practices, and Core Web Vitals.

Key facts

Owner / operator: Google
TLD:.dev— gTLD (Google-operated, requires HTTPS/HSTS preload)
Primary purpose: developer education and web best-practices resource, including guides and the Lighthouse/PageSpeed-related content
Status: active

Related domains

developers.google.com— Google's broader developer documentation hub
pagespeed.web.dev— hosts PageSpeed Insights-related tooling under the web.dev domain

WOT: SAFE (70/100)
📈 Tranco rank: #2,408

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DNS History

3 records (1 active, 2 former)

○MXyour-dns-needs-immediate-attention.dev2016-02-02 → 2026-02-17 · 4 obs

● 2016-02-02 13:09:36
● 2026-02-17 08:21:26
○ 2026-04-02 14:39:30
○ 2026-07-25 01:51:48

○A127.0.53.532016-02-02 → 2026-02-17 · 4 obs

● 2016-02-02 13:09:36
● 2026-02-17 08:21:26
○ 2026-04-02 14:39:30
○ 2026-07-25 01:51:48

●CNAMEwww3.l.google.com2026-02-17 → 2026-07-25 · 2 obs

● 2026-02-17 08:21:26
● 2026-07-25 01:51:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
web.dev	ns4.zdns.google, ns2.zdns.google, ns1.zdns.google, ns3.zdns.google	-

✅ Authoritative Response

Server:216.239.36.114

NS records: ns4.zdns.google, ns2.zdns.google, ns1.zdns.google, ns3.zdns.google

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for web.dev (unsigned zone)

⏱️ Timing

Total: 702ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`www3.l.google.com`

Analysis

IP Addresses

mout.web.dev directs to two IP numbers, 142.251.210.142 and 2607:f8b0:4007:80b::200e

Two other host names, along with walleto.org, zkzlk1nempklbuny8.maps.app.goo.gl and o3exy1typntcxmhb7.maps.app.goo.gl, also share IP numbers with mout.web.dev.