WWW.RTSAK.COM - perf.guru

Search for IP or hostnames:

perf.guru checked at 2025-09-26T18:00:17.651Z 248ms 153/153/153 100% R:16

`perf.guru`

MX	`aspmx2.googlemail.com`
		A	2a00:1450:400b:c02::1a ^{🇮🇪 Google}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`
		A	2a00:1450:400c:c00::1b ^{🇧🇪 Google}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google}
			PTR	`ws-in-f27.1e100.net`
NS	`duke.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b6e ^{🇺🇸 Cloudflare}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e ^{🇨🇷 Cloudflare}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e ^{🇺🇸 Cloudflare}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare}
			PTR	`duke.ns.cloudflare.com`
NS	`isla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a77 ^{🇺🇸 Cloudflare}
			PTR	`isla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c077 ^{🇨🇷 Cloudflare}
			PTR	`isla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2077 ^{🇺🇸 Cloudflare}
			PTR	`isla.ns.cloudflare.com`
		A	108.162.192.119^{🇺🇸 Cloudflare}
			PTR	`isla.ns.cloudflare.com`
		A	172.64.32.119^{🇺🇸 Cloudflare}
			PTR	`isla.ns.cloudflare.com`
		A	173.245.58.119^{🇺🇸 Cloudflare}
			PTR	`isla.ns.cloudflare.com`
MX	`aspmx.l.google.com`
		A	2607:f8b0:4004:c23::1a ^{🇺🇸 Google}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	172.253.122.26^{🇺🇸 Google}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`
		A	2a00:1450:400b:c02::1a ^{🇮🇪 Google}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google}
			PTR	`dj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`
		A	2a00:1450:400c:c00::1a ^{🇧🇪 Google}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.26^{🇺🇸 Google}
			PTR	`ws-in-f26.1e100.net`
A	54.149.28.249^{🇺🇸 Amazon}
		PTR	`ec2-54-149-28-249.us-west-2.compute.amazonaws.com`

`guru`

	NS	`v0n0.nic.guru`
	NS	`v0n1.nic.guru`
	NS	`v0n2.nic.guru`
	NS	`v0n3.nic.guru`
	NS	`v2n0.nic.guru`
	NS	`v2n1.nic.guru`

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perf.guru

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AI analysis

perf.guru points to an IP address: 54.149.28.249.

Other host names, such as ec2-54-149-28-249.us-west-2.compute.amazonaws.com, perf.cloud and overloaded.io, share IP numbers with perf.guru.

Two name servers duke.ns.cloudflare.com and isla.ns.cloudflare.com handle the delegation for perf.guru.

perf.guru shares the same name server setup as other domains, for instance ibq.com.qa, calgaryzoo.org, alphafont.com, crpmail.com and elgiaircompressors.com.

perf.guru at least partially shares name servers with other domains, for instance abzvtmj.info, carexcanada.ca, umlindi.com, loio.net and permpost.ru.

These name servers are commonly used with konnor.ns.cloudflare.com, howard.ns.cloudflare.com, athena.ns.cloudflare.com, pat.ns.cloudflare.com, clark.ns.cloudflare.com and sid.ns.cloudflare.com.

Six IP addresses per host:

duke.ns.cloudflare.com points to 2606:4700:58::adf5:3b6e, 2803:f800:50::6ca2:c16e, 2a06:98c1:50::ac40:216e, 108.162.193.110, 172.64.33.110 and 173.245.59.110; isla.ns.cloudflare.com points to 2606:4700:50::adf5:3a77, 2803:f800:50::6ca2:c077, 2a06:98c1:50::ac40:2077, 108.162.192.119, 172.64.32.119 and 173.245.58.119

perf.guru is served by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

perf.guru shares at least partially some mail servers with other domains, for instance toch.me, visionsense.ca, soundframe.co.uk, galerie-modelek.cz and nfsti.org.

these mail servers are commonly used alongside aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers

aspmx2.googlemail.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26.

aspmx3.googlemail.com points to: 2a00:1450:400c:c00::1b and 173.194.76.27.

aspmx.l.google.com points to: 2607:f8b0:4004:c23::1a and 172.253.122.26.

alt1.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26.

alt2.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26.

Names pointing to 2a00:1450:400b:c02::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Names pointing to 172.253.116.26: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

dbq