stack.io - dns.ninja

`stack.io`

DNSSEC	⚠️ Not signed
A	72.51.29.37^{🇨🇦 APTUM72.51.29.0/24 Peer1 Route Object}
NS	`ns-1286.awsdns-32.org` ⭐
		A	2600:9000:5305:600::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1286.awsdns-32.org`
		A	205.251.197.6^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1286.awsdns-32.org`
NS	`ns-105.awsdns-13.com`
		A	2600:9000:5300:6900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-105.awsdns-13.com`
		A	205.251.192.105^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-105.awsdns-13.com`
NS	`ns-1706.awsdns-21.co.uk`
		A	2600:9000:5306:aa00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1706.awsdns-21.co.uk`
		A	205.251.198.170^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1706.awsdns-21.co.uk`
NS	`ns-975.awsdns-57.net`
		A	2600:9000:5303:cf00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-975.awsdns-57.net`
		A	205.251.195.207^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-975.awsdns-57.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`google-site-verification=9a4io4f7xWKGXjwumnAEFottlY7Uwqj1Vwvw-jgolyg`
SOA	`ns-1286.awsdns-32.org`awsdns-hostmaster@amazon.com serial=1

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1785049365

Subdomains

www.stack.io

Same first word

stack.jp

stack.se

stack.com.au

stack.support

stack.care

stack.team

stack.ventures

stack.fi

stack.pro

stack.fitness

stack.de

stack.co

stack.cool

stack.fail

stack.la

stack.com.br

stack.plus

stack.pl

stack.ie

stack.gov.sg

stack.cz

stack.ee

stack.spb.ru

stack.be

stack.house

stack.su

stack.city

stack.how

stack.net

stack.com.mx

stack.fr

stack.biz

stack.uk.net

stack.buzz

stack.agency

stack.ru

stack.ml

stack.zone

stack.blue

stack.my

stack.farm

stack.co.uk

stack.org

stack.gallery

stack.sa

stack.it

stack.or.jp

stack.fyi

stack.nl

stack.ws

stack.money

stack.com

stack.net.ng

stack.compare

stack.hu

stack.services

stack.world

stack.ca

stack.nyc

stack.nu

stack.pt

stack.ro

stack.cc

stack.systems

stack.host

stack.kim

stack.fo

stack.co.nz

stack.io

stack.aero

stack.codes

stack.build

stack.bet

stack.creditcard

stack.network

stack.ai

stack.je

stack.lu

stack.me.uk

stack.com.uy

stack.group

stack.(0x787878)

stack.run

stack.ly

stack.kz

stack.media

stack.tv

stack.ddnsfree.com

stack.gl

stack.gg

stack.cards

stack.tokyo

stack.info

stack.solutions

stack.works

stack.gold

stack.black

stack.shopping

stack.net.nz

stack.mx

Similar names

tacks.eu

skatc.com

askct.de

tacks.ca

kacst.edu.sa

kastc.com.sa

kastc.xyz

kasct.org

aksct.com

tacks.de

astck.com

tacks.us

stack.spb.su

stack.im

tacks.com.au

stack.storage

stack.foundation

tacks.it

kacst.or.kr

tacks.com

atcks.com

tacks.nl

kstac.com

kcsat.org

kacts.net

atksc.com

ckats.com

tacks.org

kcast.online

kcats.com

tacks.net

skatc.ac.th

asktc.com

ktacs.com

kacts.or.kr

ctask.io

cksat.com

tacsk.com

kacst.gov.sa

tasck.dev

tcksa.com

tacks.co.uk

akstc.net

skatc.nfshost.com

satck.com

catks.com

tcask.org

actks.com

ctask.org.py

kcast.com

stakc.ac.id

tsack.com

kcsat.com

tckas.com

kacst.com

ktcas.com

DNS History

11 records (10 active, 1 former)

●NSns-105.awsdns-13.com2018-01-30 → 2026-07-26 · 2 obs

● 2018-01-30 19:50:34
● 2026-07-26 07:12:12

●NSns-1286.awsdns-32.org2018-01-30 → 2026-07-26 · 2 obs

● 2018-01-30 19:50:34
● 2026-07-26 07:12:12

●NSns-1706.awsdns-21.co.uk2018-01-30 → 2026-07-26 · 2 obs

● 2018-01-30 19:50:34
● 2026-07-26 07:12:12

●NSns-975.awsdns-57.net2018-01-30 → 2026-07-26 · 2 obs

● 2018-01-30 19:50:34
● 2026-07-26 07:12:12

●MXalt1.aspmx.l.google.com2018-01-30 → 2026-07-26 · 2 obs

● 2018-01-30 19:50:34
● 2026-07-26 07:12:12

●MXalt2.aspmx.l.google.com2018-01-30 → 2026-07-26 · 2 obs

● 2018-01-30 19:50:34
● 2026-07-26 07:12:12

●MXaspmx.l.google.com2018-01-30 → 2026-07-26 · 2 obs

● 2018-01-30 19:50:34
● 2026-07-26 07:12:12

●MXaspmx2.googlemail.com2018-01-30 → 2026-07-26 · 2 obs

● 2018-01-30 19:50:34
● 2026-07-26 07:12:12

●MXaspmx3.googlemail.com2026-02-18 → 2026-07-26 · 3 obs

○ 2018-01-30 19:50:34
● 2026-02-18 07:51:58
● 2026-07-26 07:12:12

●A72.51.29.372026-02-18 → 2026-07-26 · 3 obs

○ 2018-01-30 19:50:34
● 2026-02-18 07:51:58
● 2026-07-26 07:12:12

○A75.98.16.852018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 19:50:34
○ 2026-02-18 07:51:58
○ 2026-07-26 07:12:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
stack.io	ns-1286.awsdns-32.org, ns-1706.awsdns-21.co.uk, ns-105.awsdns-13.com, ns-975.awsdns-57.net	-

✅ Authoritative Response

Server:205.251.195.207

NS records: ns-1286.awsdns-32.org, ns-1706.awsdns-21.co.uk, ns-105.awsdns-13.com, ns-975.awsdns-57.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stack.io (unsigned zone)

⏱️ Timing

Total: 894ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`72.51.29.37`
NS	4	`ns-105.awsdns-13.com, ns-1286.awsdns-32.org...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	1	`google-site-verification=9a4io4f7xWKGXjw`
SOA	1	`ns-1286.awsdns-32.org awsdns-hostmaster.`

Analysis

Hierarchy

stack.io is the parent zone for www.stack.io.

IP Addresses

stack.io directs to one IP number, which is 72.51.29.37.

Name Servers

The domain stack.io is delegated to these four name servers: ns-105.awsdns-13.com, ns-975.awsdns-57.net, ns-1286.awsdns-32.org and ns-1706.awsdns-21.co.uk.

stack.io partially shares its NS delegation with several other domains, including pixelperfectstudio.net, cvfoundation.org, osterlia.se and two others.

ns-105.awsdns-13.com, ns-975.awsdns-57.net, ns-1286.awsdns-32.org and ns-1706.awsdns-21.co.uk each carry two IP addresses. ns-105.awsdns-13.com has 205.251.192.105 and 2600:9000:5300:6900::1; ns-975.awsdns-57.net has 205.251.195.207 and 2600:9000:5303:cf00::1; ns-1286.awsdns-32.org has 205.251.197.6 and 2600:9000:5305:600::1; ns-1706.awsdns-21.co.uk has 205.251.198.170 and 2600:9000:5306:aa00::1.

Mail Servers

stack.io is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

stack.io shares at least some of its mail servers with other domains — for example ns500759.ns500758.ns500698.ns500758.ns500698.ns500698.ns500735.ns500698.ns500735.ns500736.ns500698.ns500686.ns500686.ns500576.ns500619.trackreceptor.com, solutionhub.us, sacchidanandutech.com and two more.

It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com points to 142.250.31.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 108.177.123.26 IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1b IP addresses.