WWW.RTSAK.COM - refcalc.appspot.com

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refcalc.appspot.com checked at 2025-09-10T07:07:32.833Z 163ms 121/121/121 100% R:15

`refcalc.appspot.com`

MX	`gmr-smtp-in.l.google.com`
		A	2607:f8b0:4023:c06::e ^{🇺🇸 Google}
			PTR	`dz-in-f14.1e100.net`
		A	142.250.101.14^{🇺🇸 Google}
			PTR	`dz-in-f14.1e100.net`
MX	`alt1.gmr-smtp-in.l.google.com`
		A	2607:f8b0:4023:100f::e ^{🇺🇸 Google}
			PTR	`yudfwra-in-f14.1e100.net`
		A	192.178.220.14^{🇺🇸 Google}
			PTR	`yudfwra-in-f14.1e100.net`
MX	`alt2.gmr-smtp-in.l.google.com`
		A	2a00:1450:400c:c00::e ^{🇧🇪 Google}
			PTR	`ws-in-f14.1e100.net`
			PTR	`ws-in-x0e.1e100.net`
		A	173.194.76.14^{🇺🇸 Google}
			PTR	`ws-in-f14.1e100.net`
MX	`alt3.gmr-smtp-in.l.google.com`
		A	2607:f8b0:4001:c74::e ^{🇺🇸 Google}
			PTR	`yucbfsr-in-f14.1e100.net`
		A	192.178.212.14^{🇺🇸 Google}
			PTR	`yucbfsr-in-f14.1e100.net`
MX	`alt4.gmr-smtp-in.l.google.com`
		A	2607:f8b0:4024:c0d::e ^{🇺🇸 Google}
			PTR	`mj-in-f14.1e100.net`
		A	192.178.152.14^{🇺🇸 Google}
			PTR	`mj-in-f14.1e100.net`
A	2607:f8b0:4004:c08::99 ^{🇺🇸 Google}
		PTR	`bi-in-f153.1e100.net`
A	172.253.63.153^{🇺🇸 Google}
		PTR	`bi-in-f153.1e100.net`

`appspot.com`

	NS	`ns1.google.com`
	NS	`ns2.google.com`
	NS	`ns3.google.com`
	NS	`ns4.google.com`
	A	2607:f8b0:4004:c17::66 ^{🇺🇸 Google}
	A	2607:f8b0:4004:c17::71 ^{🇺🇸 Google}
	A	2607:f8b0:4004:c17::8a ^{🇺🇸 Google}
	A	2607:f8b0:4004:c17::8b ^{🇺🇸 Google}
	A	142.251.16.100^{🇺🇸 Google}
	A	142.251.16.101^{🇺🇸 Google}
	A	142.251.16.102^{🇺🇸 Google}
	A	142.251.16.113^{🇺🇸 Google}
	A	142.251.16.138^{🇺🇸 Google}
	A	142.251.16.139^{🇺🇸 Google}

rank #518 globally
rank #325 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".

Starts with same word
`refcalc.appspot.com`
`refcalc.com`

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AI analysis

refcalc.appspot.com refers to two IP addresses: 2607:f8b0:4004:c08::99 and 172.253.63.153.

The IP numbers of refcalc.appspot.com are also shared with other host names such as www.b233115717-dev-andrewshao-dot-poetic-glass-136423.appspot.com, starget.getplus-ip.appspot.com, mtxyy.haotui.com--showsiteinf.appspot.com--www.showsiteinf.appspot.com, mapfight.appspot.com, and jobsite-275204.uk.r.appspot.com.

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, manage refcalc.appspot.com.

Some mail servers are at least partially shared by refcalc.appspot.com with other domains such as favefoodplan.com, jsgetip.appspot.com, doubleclick-support.appspot.com, www.99yangshengtang.com--showsiteinf.appspot.com--www.showsiteinf.appspot.com, and www.integrated-chinese.appspot.com.

The mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, and alt4.aspmx.l.google.com are frequently utilized in conjunction.

gmr-smtp-in.l.google.com, 2607:f8b0:4023:c06::e, and 142.250.101.14 are associated with each other.

alt1.gmr-smtp-in.l.google.com, 2607:f8b0:4023:100f::e, and 192.178.220.14 are linked together.

alt2.gmr-smtp-in.l.google.com, 2a00:1450:400c:c00::e, and 173.194.76.14 are connected.

alt3.gmr-smtp-in.l.google.com, 2607:f8b0:4001:c74::e, and 192.178.212.14 are related.

alt4.gmr-smtp-in.l.google.com, 2607:f8b0:4024:c0d::e, and 192.178.152.14 are all interlinked.

dbq