`asbook.appspot.com`

DNSSEC	⚠️ Not signed
A	2607:f8b0:4006:80f::2014^{🇺🇸 Google2607:f8b0:4006::/48}
		PTR	`lclgaa-az-in-x14.1e100.net`
		PTR	`lga25s41-in-x14.1e100.net`
		PTR	`lga25s72-in-x14.1e100.net`
A	142.250.217.148^{🇺🇸 Google142.250.217.0/24}
MX	`gmr-smtp-in.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::e^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f14.1e100.net`
		A	142.250.31.14^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f14.1e100.net`
MX	`alt1.gmr-smtp-in.l.google.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::e^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.14^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f14.1e100.net`
MX	`alt2.gmr-smtp-in.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::e^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f14.1e100.net`
		A	172.253.116.14^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f14.1e100.net`
MX	`alt3.gmr-smtp-in.l.google.com`⁽³⁰⁾
		A	2a00:1450:4009:c0f::e^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f14.1e100.net`
		A	192.178.223.14^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f14.1e100.net`
MX	`alt4.gmr-smtp-in.l.google.com`⁽⁴⁰⁾
		A	2a00:1450:400c:c00::e^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f14.1e100.net`
			PTR	`ws-in-x0e.1e100.net`
		A	173.194.76.14^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f14.1e100.net`

`appspot.com`

	DNSSEC	⚠️ Not signed
	A	2607:f8b0:4006:805::200e^{🇺🇸 Google2607:f8b0:4006::/48}
	A	142.251.45.174^{🇺🇸 Google142.251.45.0/24}
	NS	`ns1.google.com` ⭐
	NS	`ns2.google.com`
	NS	`ns3.google.com`
	NS	`ns4.google.com`
	TXT	`v=spf1 -all`
	TXT	`IPROTA_D29304-(0x585858)`
	SOA	`ns1.google.com`dns-admin@google.com serial=898906469

rank #609 globally
rank #361 in the tld
This domain, "appspot.com", is associated with Google Cloud services, specifically for Google App Engine applications. The Google App Engine is a cloud computing platform for developing and hosting web applications in Google-managed data centers. Each app hosted on this platform gets its own unique subdomain on "appspot.com".WOT: SAFE (82/100)
📈 Tranco rank: #709

Google App Engine Hosting Domain

appspot.com is the default hosting domain for applications deployed on Google App Engine, Google Cloud's fully managed serverless platform for developing and hosting web applications at scale. When developers deploy an application to App Engine, it is automatically assigned a subdomain under appspot.com (e.g.,myproject.appspot.com).

Key Features of App Engine

Serverless Architecture – No server management required; Google handles infrastructure
Automatic Scaling – Capacity adjusts dynamically based on traffic demand
Multi-Language Support – Python, Go, Java, Node.js, PHP, Ruby, and .NET
Two Environments – Standard (pre-configured runtimes) and Flexible (custom containers)

DNS Infrastructure

The domain is hosted entirely on Google's infrastructure:

Record Type	Details
Nameservers	ns1-4.google.com (AS15169)
IPv4	Multiple IPs in 192.178.155.x range
IPv6	2607:f8b0:4004:c23::/64
SPF	`v=spf1 -all`(no mail sent from this domain)
DNSSEC	Not signed

App Engine was one of the first Platform-as-a-Service (PaaS) offerings when Google launched it in 2008, predating competitors like Heroku and AWS Elastic Beanstalk. Today it remains a core component of Google Cloud Platform, serving millions of applications worldwide.

Same first word

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DNS History

9 records (7 active, 2 former)

●MXalt1.gmr-smtp-in.l.google.com2026-04-10 → 2026-04-14 · 2 obs

● 2026-04-10 12:45:18
● 2026-04-14 03:29:32

●MXalt2.gmr-smtp-in.l.google.com2026-04-10 → 2026-04-14 · 2 obs

● 2026-04-10 12:45:18
● 2026-04-14 03:29:32

●MXalt3.gmr-smtp-in.l.google.com2026-04-10 → 2026-04-14 · 2 obs

● 2026-04-10 12:45:18
● 2026-04-14 03:29:32

●MXalt4.gmr-smtp-in.l.google.com2026-04-10 → 2026-04-14 · 2 obs

● 2026-04-10 12:45:18
● 2026-04-14 03:29:32

●MXgmr-smtp-in.l.google.com2026-04-10 → 2026-04-14 · 2 obs

● 2026-04-10 12:45:18
● 2026-04-14 03:29:32

●A142.250.217.1482026-04-14 → 2026-04-14 · 3 obs

○ 2026-04-10 12:45:18
● 2026-04-14 03:29:30
● 2026-04-14 03:29:32

○A142.251.40.1162026-04-10 → 2026-04-10 · 3 obs

● 2026-04-10 12:45:18
○ 2026-04-14 03:29:30
○ 2026-04-14 03:29:32

●A2607:f8b0:4006:80f::20142026-04-14 → 2026-04-14 · 3 obs

○ 2026-04-10 12:45:18
● 2026-04-14 03:29:30
● 2026-04-14 03:29:32

○A2607:f8b0:4007:805::20142026-04-10 → 2026-04-10 · 3 obs

● 2026-04-10 12:45:18
○ 2026-04-14 03:29:30
○ 2026-04-14 03:29:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...	-
appspot.com	ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com	8 records