`mirror.appspot.com`

DNSSEC	⚠️ Not signed
A	2607:f8b0:4004:c19::99^{🇺🇸 Google2607:f8b0:4004::/48}
		PTR	`bk-in-f153.1e100.net`
A	142.251.111.153^{🇺🇸 Google142.251.111.0/24}
MX	`gmr-smtp-in.l.google.com` ⭐
		A	2607:f8b0:4023:c06::e^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f14.1e100.net`
		A	142.250.101.14^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f14.1e100.net`
MX	`alt1.gmr-smtp-in.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:2803::e^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausr-in-f14.1e100.net`
		A	172.217.216.14^{🇺🇸 Google172.217.0.0/16}
			PTR	`lcausr-in-f14.1e100.net`
MX	`alt2.gmr-smtp-in.l.google.com`⁽²⁰⁾
		A	2607:f8b0:4023:3003::e^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f14.1e100.net`
		A	172.253.145.14^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f14.1e100.net`
MX	`alt3.gmr-smtp-in.l.google.com`⁽³⁰⁾
		A	2607:f8b0:4023:1015::e^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f14.1e100.net`
		A	172.253.135.14^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f14.1e100.net`
MX	`alt4.gmr-smtp-in.l.google.com`⁽⁴⁰⁾
		A	2607:f8b0:4001:c79::e^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbfwv-in-f14.1e100.net`
		A	173.194.42.14^{🇺🇸 Google173.194.0.0/16}
			PTR	`yucbfwv-in-f14.1e100.net`

`appspot.com`

	DNSSEC	⚠️ Not signed
	A	2607:f8b0:4007:80c::200e^{🇺🇸 Google2607:f8b0:4007::/48}
	A	142.251.214.110^{🇺🇸 Google142.250.0.0/15}
	NS	`ns1.google.com` ⭐
	NS	`ns2.google.com`
	NS	`ns3.google.com`
	NS	`ns4.google.com`
	TXT	`IPROTA_D29304-(0x585858)`
	TXT	`v=spf1 -all`
	SOA	`ns1.google.com`dns-admin@google.com serial=947568061

rank #625 globally
rank #370 in the tld

appspot.com

appspot.com is the default domain Google App Engine assigns to hosted applications. It is operated by Google and serves as the base for app-specific subdomains.

Key facts

Owner / operator: Google
TLD:.com— gTLD
Primary purpose: hosting platform for Google App Engine applications (PaaS)
Status: active

History

Year	Event
2008	Launch of Google App Engine (beta) with default`*.appspot.com`subdomains
2014	Introduction of Managed VMs (precursor to Flexible environment)
2015	General Availability of App Engine Flexible Environment
2020	Automatic SSL for custom domains on App Engine apps

Notable subdomains or services

*.appspot.com– Google App Engine applications

Semrush Rank:#7,468,264 Keywords:1 Traffic:12/mo
WOT: SAFE (82/100)
📈 Tranco rank: #790

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

mirror.wiki

mirror.ac

mirror.lk

mirror.net.in

mirror.company

mirror.fyi

mirror.mx

mirror.in.ua

mirror.show

mirror.network

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mirror.ca

mirror.finance

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mirror.edu.cn

mirror.is

mirror.co.il

mirror.es

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mirror.pw

mirror.community

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mirror.biz

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mirror.red

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mirror.cards

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mirror.works

mirror.team

mirror.pl

mirror.me

mirror.black

mirror.city

mirror.ch

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mirror.cc

mirror.at

mirror.org

mirror.ng

mirror.run

mirror.ag

mirror.appspot.com

mirror.jp

mirror.gallery

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Similar names

mirror.in.th

mirror.lighting

mirror.care

mirror.info

mirror.ac.za

mirror.email

mirror.hk

mirror.gg

mirror.pm

mirror.expert

mirror.hypernode.io

mirror.media

mirror.com.kz

mirror.ie

mirror.icu

mirror.no

rorrim.net

rorrim.com

ormirr.com

rorrim.org

DNS History

29 records (7 active, 22 former)

●MXalt1.gmr-smtp-in.l.google.com2026-05-19 → 2026-07-14 · 4 obs

● 2026-05-19 19:11:18
○ 2026-07-10 17:04:52
● 2026-07-11 09:45:22
● 2026-07-14 22:44:10

●MXalt2.gmr-smtp-in.l.google.com2026-05-19 → 2026-07-14 · 4 obs

● 2026-05-19 19:11:18
○ 2026-07-10 17:04:52
● 2026-07-11 09:45:22
● 2026-07-14 22:44:10

●MXalt3.gmr-smtp-in.l.google.com2026-05-19 → 2026-07-14 · 4 obs

● 2026-05-19 19:11:18
○ 2026-07-10 17:04:52
● 2026-07-11 09:45:22
● 2026-07-14 22:44:10

●MXalt4.gmr-smtp-in.l.google.com2026-05-19 → 2026-07-14 · 4 obs

● 2026-05-19 19:11:18
○ 2026-07-10 17:04:52
● 2026-07-11 09:45:22
● 2026-07-14 22:44:10

●MXgmr-smtp-in.l.google.com2026-05-19 → 2026-07-14 · 4 obs

● 2026-05-19 19:11:18
○ 2026-07-10 17:04:52
● 2026-07-11 09:45:22
● 2026-07-14 22:44:10

○A142.250.129.1532026-06-24 → 2026-06-24 · 4 obs

○ 2026-06-23 18:37:06
● 2026-06-24 03:02:28
○ 2026-06-26 23:07:44
○ 2026-07-14 22:44:10

○A142.250.140.1532026-06-26 → 2026-06-26 · 4 obs

○ 2026-06-24 03:02:28
● 2026-06-26 23:07:44
○ 2026-07-09 07:17:46
○ 2026-07-14 22:44:10

○A142.250.31.1532026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-07 02:15:16
● 2026-06-23 18:37:06
○ 2026-06-24 03:02:28
○ 2026-07-14 22:44:10

●A142.251.111.1532026-07-14 → 2026-07-14 · 2 obs

○ 2026-07-11 09:45:22
● 2026-07-14 22:44:10

○A142.251.16.1532026-07-09 → 2026-07-09 · 4 obs

○ 2026-07-09 07:17:46
● 2026-07-09 21:33:28
○ 2026-07-10 17:04:52
○ 2026-07-14 22:44:10

○A142.251.163.1532026-07-09 → 2026-07-09 · 4 obs

○ 2026-06-26 23:07:44
● 2026-07-09 07:17:46
○ 2026-07-09 21:33:28
○ 2026-07-14 22:44:10

○A142.251.30.1532026-05-23 → 2026-05-23 · 4 obs

○ 2026-05-21 15:27:14
● 2026-05-23 11:48:32
○ 2026-05-26 11:19:56
○ 2026-07-14 22:44:10

○A142.251.32.1802026-07-11 → 2026-07-11 · 3 obs

○ 2026-07-10 17:04:52
● 2026-07-11 09:45:22
○ 2026-07-14 22:44:10

○A142.251.40.1162026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-23 11:48:32
● 2026-05-26 11:19:56
○ 2026-06-07 02:15:16
○ 2026-07-14 22:44:10

○A142.251.45.202026-06-07 → 2026-06-07 · 4 obs

○ 2026-05-26 11:19:56
● 2026-06-07 02:15:16
○ 2026-06-23 18:37:06
○ 2026-07-14 22:44:10

○A172.253.63.1532026-05-19 → 2026-05-19 · 4 obs

● 2026-05-19 19:11:18
● 2026-05-19 22:48:02
○ 2026-05-21 15:27:14
○ 2026-07-14 22:44:10

○A2607:f8b0:4004:c08::992026-05-19 → 2026-05-19 · 4 obs

● 2026-05-19 19:11:18
● 2026-05-19 22:48:02
○ 2026-05-21 15:27:14
○ 2026-07-14 22:44:10

○A2607:f8b0:4004:c0b::992026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-07 02:15:16
● 2026-06-23 18:37:06
○ 2026-06-24 03:02:28
○ 2026-07-14 22:44:10

○A2607:f8b0:4004:c17::992026-07-09 → 2026-07-09 · 4 obs

○ 2026-07-09 07:17:46
● 2026-07-09 21:33:28
○ 2026-07-10 17:04:52
○ 2026-07-14 22:44:10

●A2607:f8b0:4004:c19::992026-07-14 → 2026-07-14 · 2 obs

○ 2026-07-11 09:45:22
● 2026-07-14 22:44:10

○A2607:f8b0:4004:c1b::992026-07-09 → 2026-07-09 · 4 obs

○ 2026-06-26 23:07:44
● 2026-07-09 07:17:46
○ 2026-07-09 21:33:28
○ 2026-07-14 22:44:10

○A2607:f8b0:4004:c21::992026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-19 22:48:02
● 2026-05-21 15:27:14
○ 2026-05-23 11:48:32
○ 2026-07-14 22:44:10

○A2607:f8b0:4007:805::20142026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-23 11:48:32
● 2026-05-26 11:19:56
○ 2026-06-07 02:15:16
○ 2026-07-14 22:44:10

○A2607:f8b0:4007:807::20142026-07-11 → 2026-07-11 · 3 obs

○ 2026-07-10 17:04:52
● 2026-07-11 09:45:22
○ 2026-07-14 22:44:10

○A2607:f8b0:4007:808::20142026-06-07 → 2026-06-07 · 4 obs

○ 2026-05-26 11:19:56
● 2026-06-07 02:15:16
○ 2026-06-23 18:37:06
○ 2026-07-14 22:44:10

○A2a00:1450:4009:c08::992026-06-24 → 2026-06-24 · 4 obs

○ 2026-06-23 18:37:06
● 2026-06-24 03:02:28
○ 2026-06-26 23:07:44
○ 2026-07-14 22:44:10

○A2a00:1450:4009:c0b::992026-06-26 → 2026-06-26 · 4 obs

○ 2026-06-24 03:02:28
● 2026-06-26 23:07:44
○ 2026-07-09 07:17:46
○ 2026-07-14 22:44:10

○A2a00:1450:4009:c17::992026-05-23 → 2026-05-23 · 4 obs

○ 2026-05-21 15:27:14
● 2026-05-23 11:48:32
○ 2026-05-26 11:19:56
○ 2026-07-14 22:44:10

○A64.233.180.1532026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-19 22:48:02
● 2026-05-21 15:27:14
○ 2026-05-23 11:48:32
○ 2026-07-14 22:44:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
appspot.com	ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com	-

✅ Authoritative Response

Server:216.239.34.10

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for appspot.com (unsigned zone)

⏱️ Timing

Total: 123ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`142.251.111.153`
AAAA	1	`2607:f8b0:4004:c19::99`
MX	5	`alt3.gmr-smtp-in.l.google.com (pri: 30), alt1.gmr-smtp-in.l.google.com (pri: 10)...`

Analysis

IP Addresses

mirror.appspot.com points to the IP addresses 142.251.111.153 and 2607:f8b0:4004:c19::99

axxwvstitvkddprf-dot-millinium.ey.r.appspot.com, ktaijwllzenyyehl-dot-millinium.ey.r.appspot.com, websummit-dot-yamm-track.appspot.com plus two other host names have IP numbers in common with mirror.appspot.com.

Mail Servers

mirror.appspot.com has five mail servers, which are gmr-smtp-in.l.google.com, alt1.gmr-smtp-in.l.google.com, alt2.gmr-smtp-in.l.google.com and two others.

At least some of the mail servers used by mirror.appspot.com are shared with other domains: hpibfpovitprlfdzpxopreaoug-dot-poised-bot-306515.uk.r.appspot.com, kfijowybcllheqwf-dot-millinium.ey.r.appspot.com, alchemist.camp and two others among them.

These mail servers are routinely seen in conjunction with the mail servers alt3.gmr-smtp-in.l.google.com and alt4.gmr-smtp-in.l.google.com.

Host names pointing to two IP addresses:

The A records for gmr-smtp-in.l.google.com return 142.250.101.14 and 2607:f8b0:4023:c06::e.

The A records for alt1.gmr-smtp-in.l.google.com return 172.217.216.14 and 2607:f8b0:4023:2803::e.

The A records for alt2.gmr-smtp-in.l.google.com return 172.253.145.14 and 2607:f8b0:4023:3003::e.

The A records for alt3.gmr-smtp-in.l.google.com return 172.253.135.14 and 2607:f8b0:4023:1015::e.

The A records for alt4.gmr-smtp-in.l.google.com return 173.194.42.14 and 2607:f8b0:4001:c79::e.

mirror.appspot.com - robtex.com