NSLIST.NET - userback.io

Search for IP or hostnames:

userback.io checked at 2025-09-30T10:23:02.683Z 221ms 146/146/146 100% R:16

`userback.io`

NS	`ns-437.awsdns-54.com`
		A	2600:9000:5301:b500::1 ^{🇺🇸 Amazon}
			PTR	`ns-437.awsdns-54.com`
		A	205.251.193.181^{🇺🇸 Amazon}
			PTR	`ns-437.awsdns-54.com`
NS	`ns-695.awsdns-22.net`
		A	2600:9000:5302:b700::1 ^{🇺🇸 Amazon}
			PTR	`ns-695.awsdns-22.net`
		A	205.251.194.183^{🇺🇸 Amazon}
			PTR	`ns-695.awsdns-22.net`
NS	`ns-1184.awsdns-20.org`
		A	2600:9000:5304:a000::1 ^{🇺🇸 Amazon}
			PTR	`ns-1184.awsdns-20.org`
		A	205.251.196.160^{🇺🇸 Amazon}
			PTR	`ns-1184.awsdns-20.org`
MX	`aspmx.l.google.com`
		A	2607:f8b0:4004:c19::1a ^{🇺🇸 Google}
			PTR	`bk-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google}
			PTR	`bh-in-f27.1e100.net`
NS	`ns-1729.awsdns-24.co.uk`
		A	2600:9000:5306:c100::1 ^{🇺🇸 Amazon}
			PTR	`ns-1729.awsdns-24.co.uk`
		A	205.251.198.193^{🇺🇸 Amazon}
			PTR	`ns-1729.awsdns-24.co.uk`
MX	`alt1.aspmx.l.google.com`
		A	2a00:1450:400b:c02::1b ^{🇮🇪 Google}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google}
			PTR	`dj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`
		A	2a00:1450:400c:c00::1b ^{🇧🇪 Google}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google}
			PTR	`ws-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`
		A	2a00:1450:4025:402::1a ^{🇳🇱 Google}
			PTR	`rb-in-f26.1e100.net`
		A	142.250.102.26^{🇺🇸 Google}
			PTR	`rb-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`
		A	2a00:1450:4013:c1e::1a ^{🇳🇱 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.26^{🇺🇸 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
A	162.159.136.54^Cloudflare
A	162.159.137.54^Cloudflare

`io`

	NS	`a0.nic.io`
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`

rank #520907 globally
rank #2940 in the tld

Up

app.userback.io

static.userback.io

www.userback.io

api.userback.io

Starts with same word

userback.com.cn

userback.com.au

userback.com

userback.io

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AI analysis

userback.io is a parent of app.userback.io, static.userback.io, www.userback.io and api.userback.io.

userback.io resolves to two IP numbers: 162.159.136.54 and 162.159.137.54.

other host names including mutua.it, bulletproofmusician.com, www.bonline.com, business-sol.jp and chinacenter.net share IP numbers with userback.io.

userback.io is delegated to four name servers: ns-437.awsdns-54.com, ns-695.awsdns-22.net, ns-1184.awsdns-20.org and ns-1729.awsdns-24.co.uk.

userback.io at least partially shares name servers with other domains, for instance brussels.weepee.org, makelink.com, wsjk.org, mi-stagew01.com and bj-stc.com.

These name servers are commonly used alongside ns-289.awsdns-36.com, ns-1941.awsdns-50.co.uk, ns-1021.awsdns-63.net, ns-1622.awsdns-10.co.uk, ns-575.awsdns-07.net, ns-1653.awsdns-14.co.uk and ns-546.awsdns-04.net.

Host names with two IP numbers:

ns-437.awsdns-54.com points to 2600:9000:5301:b500::1 and 205.251.193.181; ns-695.awsdns-22.net points to 2600:9000:5302:b700::1 and 205.251.194.183; ns-1184.awsdns-20.org points to 2600:9000:5304:a000::1 and 205.251.196.160; ns-1729.awsdns-24.co.uk points to 2600:9000:5306:c100::1 and 205.251.198.193.

userback.io is handled by five 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.

userback.io shares some mail servers with other domains, at least partially, for instance man.fo, brokenfrontier.com, mydentalart.com, keadle.net and studiokhom.it.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1a and 172.253.122.27

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

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

alt3.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.26

alt4.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.26

dbq