mcasttracker.appspot.com - robtex.com

mcasttracker.appspot.com

DNSSEC⚠️ Not signed
A2607:f8b0:4004:c06::99🇺🇸 Google2607:f8b0:4004::/48
PTRbg-in-f153.1e100.net
A172.253.115.153🇺🇸 Google172.253.115.0/24
MXgmr-smtp-in.l.google.com ⭐
A2607:f8b0:4004:c07::e🇺🇸 Google2607:f8b0:4004::/48
PTRbc-in-f14.1e100.net
A172.253.62.14🇺🇸 Google172.253.62.0/24
PTRbc-in-f14.1e100.net
MXalt1.gmr-smtp-in.l.google.com(10)
A2800:3f0:4003:c0f::e🇨🇱 Google2800:3f0:4003::/48
A108.177.123.14🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f14.1e100.net
MXalt2.gmr-smtp-in.l.google.com(20)
A2a00:1450:400b:c02::e🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f14.1e100.net
A172.253.116.14🇺🇸 Google172.253.116.0/24
PTRdj-in-f14.1e100.net
MXalt3.gmr-smtp-in.l.google.com(30)
A2a00:1450:4009:c0f::e🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f14.1e100.net
A192.178.223.14🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f14.1e100.net
MXalt4.gmr-smtp-in.l.google.com(40)
A2a00:1450:400c:c00::e🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f14.1e100.net
PTRws-in-x0e.1e100.net
A173.194.76.14🇺🇸 Google173.194.76.0/24
PTRws-in-f14.1e100.net

appspot.com

DNSSEC⚠️ Not signed
A2607:f8b0:4007:804::200e🇺🇸 Google2607:f8b0:4007::/48
A142.251.35.78🇺🇸 Google142.251.35.0/24
NSns1.google.com ⭐
NSns2.google.com
NSns3.google.com
NSns4.google.com
TXTIPROTA_D29304-(0x585858)
TXTv=spf1 -all
SOAns1.google.comdns-admin@google.com serial=891620646
rank #606 globally
rank #360 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".🔒 HSTS Preload (+subdomains)
WOT: SAFE (82/100)
📈 Tranco rank: #721
appspot.com - Tranco Rank (30d: ↑+8)589600650700742Feb 15Feb 25Mar 7Mar 17Mar 27Mar 28Rank#729#721

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 TypeDetails
Nameserversns1-4.google.com (AS15169)
IPv4Multiple IPs in 192.178.155.x range
IPv62607:f8b0:4004:c23::/64
SPFv=spf1 -all(no mail sent from this domain)
DNSSECNot 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

mcasttracker.appspot.com

DNS History

36 records (7 active, 29 former)

20162017201820192020202120222023202420252026MXalt1.gmr-smtp-in.l.google.comalt2.gmr-smtp-in.l.google.comalt3.gmr-smtp-in.l.google.comalt4.gmr-smtp-in.l.google.comgmr-smtp-in.l.google.comA172.253.115.1532607:f8b0:4004:c06::99142.250.188.20142.250.72.148142.251.210.52173.194.206.141173.194.67.141173.194.72.141216.58.213.1132404:6800:4003:c00::8d2404:6800:4008:c01::8d2404:6800:4008:c05::8d2607:f8b0:4006:803::20142607:f8b0:4006:811::20142607:f8b0:4007:814::20142607:f8b0:400d:c08::8d2607:f8b0:400e:c02::8d2607:f8b0:400e:c04::8d2800:3f0:4003:c00::8d2a00:1450:4009:80f::20112a00:1450:400b:c02::8d2a00:1450:400c:c05::8d2a00:1450:400c:c0b::8d64.233.184.14164.233.186.14164.233.187.14174.125.129.14174.125.200.14174.125.24.14174.125.28.141CNAMEappspot.l.google.com
●MXalt1.gmr-smtp-in.l.google.com2015-10-18 → 2026-03-31 · 2 obs
● 2015-10-18 23:03:46
● 2026-03-31 05:42:52
●MXalt2.gmr-smtp-in.l.google.com2015-10-18 → 2026-03-31 · 2 obs
● 2015-10-18 23:03:46
● 2026-03-31 05:42:52
●MXalt3.gmr-smtp-in.l.google.com2015-10-18 → 2026-03-31 · 2 obs
● 2015-10-18 23:03:46
● 2026-03-31 05:42:52
●MXalt4.gmr-smtp-in.l.google.com2015-10-18 → 2026-03-31 · 2 obs
● 2015-10-18 23:03:46
● 2026-03-31 05:42:52
●MXgmr-smtp-in.l.google.com2015-10-18 → 2026-03-31 · 2 obs
● 2015-10-18 23:03:46
● 2026-03-31 05:42:52
○A142.250.188.202026-03-27 → 2026-03-27 · 3 obs
○ 2026-02-15 01:03:20
● 2026-03-27 19:49:02
○ 2026-03-31 05:42:52
○A142.250.72.1482026-02-15 → 2026-02-15 · 4 obs
○ 2016-08-11 07:04:16
● 2026-02-15 01:03:20
○ 2026-03-27 19:49:02
○ 2026-03-31 05:42:52
○A142.251.210.522026-02-15 → 2026-03-31 · 2 obs
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
●A172.253.115.1532026-03-31 → 2026-03-31 · 2 obs
○ 2026-03-27 19:49:02
● 2026-03-31 05:42:52
○A173.194.206.1412015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A173.194.67.1412015-10-18 → 2015-10-18 · 4 obs
○ 2015-06-04 02:18:00
● 2015-10-18 23:03:46
○ 2015-12-20 04:50:48
○ 2026-03-31 05:42:52
○A173.194.72.1412015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A216.58.213.1132016-08-11 → 2016-08-11 · 4 obs
○ 2016-03-19 08:03:30
● 2016-08-11 07:04:16
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2404:6800:4003:c00::8d2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2404:6800:4008:c01::8d2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2404:6800:4008:c05::8d2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
●A2607:f8b0:4004:c06::992026-03-31 → 2026-03-31 · 2 obs
○ 2026-03-27 19:49:02
● 2026-03-31 05:42:52
○A2607:f8b0:4006:803::20142026-03-27 → 2026-03-27 · 3 obs
○ 2026-02-15 01:03:20
● 2026-03-27 19:49:02
○ 2026-03-31 05:42:52
○A2607:f8b0:4006:811::20142026-02-15 → 2026-03-31 · 2 obs
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2607:f8b0:4007:814::20142026-02-15 → 2026-02-15 · 4 obs
○ 2016-08-11 07:04:16
● 2026-02-15 01:03:20
○ 2026-03-27 19:49:02
○ 2026-03-31 05:42:52
○A2607:f8b0:400d:c08::8d2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2607:f8b0:400e:c02::8d2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2607:f8b0:400e:c04::8d2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2800:3f0:4003:c00::8d2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2a00:1450:4009:80f::20112016-08-11 → 2016-08-11 · 4 obs
○ 2016-03-19 08:03:30
● 2016-08-11 07:04:16
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2a00:1450:400b:c02::8d2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A2a00:1450:400c:c05::8d2015-10-18 → 2015-10-18 · 4 obs
○ 2015-06-04 02:18:00
● 2015-10-18 23:03:46
○ 2015-12-20 04:50:48
○ 2026-03-31 05:42:52
○A2a00:1450:400c:c0b::8d2015-12-20 → 2016-03-19 · 5 obs
○ 2015-10-18 23:03:46
● 2015-12-20 04:50:48
● 2016-03-19 08:03:30
○ 2016-08-11 07:04:16
○ 2026-03-31 05:42:52
○A64.233.184.1412015-12-20 → 2016-03-19 · 5 obs
○ 2015-10-18 23:03:46
● 2015-12-20 04:50:48
● 2016-03-19 08:03:30
○ 2016-08-11 07:04:16
○ 2026-03-31 05:42:52
○A64.233.186.1412015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A64.233.187.1412015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A74.125.129.1412015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A74.125.200.1412015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A74.125.24.1412015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○A74.125.28.1412015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 02:18:00
○ 2026-02-15 01:03:20
○ 2026-03-31 05:42:52
○CNAMEappspot.l.google.com2015-06-04 → 2026-02-15 · 4 obs
● 2015-06-04 02:18:00
● 2026-02-15 01:03:20
○ 2026-03-27 19:49:02
○ 2026-03-31 05:42:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...-
appspot.comns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com8 records

✅ Authoritative Response

Server:216.239.38.10

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: 399ms | Queries: -

📄 Records

TypeCountSample Data
A1172.253.115.153
AAAA12607:f8b0:4004:c06::99
MX5alt2.gmr-smtp-in.l.google.com (pri: 20), alt1.gmr-smtp-in.l.google.com (pri: 10)...

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns2.google.com, ns2.google.com, ns1.google.com...)

Analysis

IP Addresses

Two IP numbers are pointed to by mcasttracker.appspot.com: 2607:f8b0:4004:c06::99 and 172.253.115.153.

other host names include www.hanaprun.appspot.com, npsgxdkfndxhhiuvohpqfwfnvynvfcebmsmg-dot-glenxpecial3009493.ey.r.appspot.com, 76180.1hrpdlnow.appspot.com, www.scmuyuan.cn--showsiteinf.appspot.com--www.showsiteinf.appspot.com and qbmaylssvmjronzt-dot-millinium.ey.r.appspot.com; they share IP numbers with mcasttracker.appspot.com.

Mail Servers

mcasttracker.appspot.com is served by five mail servers: gmr-smtp-in.l.google.com, alt1.gmr-smtp-in.l.google.com, alt2.gmr-smtp-in.l.google.com, alt3.gmr-smtp-in.l.google.com and alt4.gmr-smtp-in.l.google.com.

mcasttracker.appspot.com shares at least partially some mail servers with other domains, for instance swlbhzhkxbjtngnzqyvwnxjuzo-dot-gl9393jan.uk.r.appspot.com, eleanore-plex.com, axahvcamxyncxfuwvvmrexeddnxtdqdacnwg-dot-cryptic-now-290917.ey.r.appspot.com, peak-equator-131320.appspot.com and vipcaptchanow.ew.r.appspot.com.

Host names with two IP numbers:

The host name gmr-smtp-in.l.google.com points to 2607:f8b0:4004:c07::e and 172.253.62.14.

The host name alt1.gmr-smtp-in.l.google.com points to 2800:3f0:4003:c0f::e and 108.177.123.14.

The host name alt2.gmr-smtp-in.l.google.com points to 2a00:1450:400b:c02::e and 172.253.116.14.

The host name alt3.gmr-smtp-in.l.google.com points to 2a00:1450:4009:c0f::e and 192.178.223.14.

The host name alt4.gmr-smtp-in.l.google.com points to 2a00:1450:400c:c00::e and 173.194.76.14.