🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stack.co.com`

DNSSEC	⚠️ Not signed
NS	`becky.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a49^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`becky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c049^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`becky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2049^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`becky.ns.cloudflare.com`
		A	108.162.192.73^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`becky.ns.cloudflare.com`
		A	172.64.32.73^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`becky.ns.cloudflare.com`
		A	173.245.58.73^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`becky.ns.cloudflare.com`
NS	`buck.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`buck.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`buck.ns.cloudflare.com`
		A	108.162.193.78^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	172.64.33.78^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	173.245.59.78^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
SOA	`becky.ns.cloudflare.com`dns@cloudflare.com serial=2419880694

`co.com`

	DNSSEC	🔒 Signed (DS record present)
	A	169.60.151.232^{🇺🇸 SOFTLAYER169.60.128.0/18 -dal13}
	NS	`ns0.nic.co.com` ⭐
	NS	`ns1.nic.co.com`
	NS	`ns2.nic.co.com`
	NS	`ns3.nic.co.com`
	NS	`ns4.nic.co.com`
	MX	`mx.spamexperts.com` ⭐
	MX	`fallbackmx.spamexperts.eu`⁽²⁰⁾
	MX	`lastmx.spamexperts.net`⁽³⁰⁾
	TXT	`google-site-verification=7OcubotXUUSYYCSil8JjPJ_2uxorUHKIpmbUGsV_caA`
	TXT	`v=spf1 mx ip4:169.60.151.232 ip4:184.172.61.109 ip4:169.60.163.139 ip4:169.60...`
	SOA	`ns0.nic.co.com`hostmaster@co.com serial=2014430579

rank #632 globally
rank #374 in the tld

co.com

Co.com is a domain platform that offers.comdomain owners with second-level names ending in "co" the ability to promote a shorter branded web address, and it is also known as a premium/generic domain marketed for businesses seeking a short, brandable ".co"-style name while keeping the trusted.comTLD.

Key facts

Owner / operator: Neustar (historically); domain has changed hands among registry/marketing operators over time — current operator unknown with certainty
TLD:.com— gTLD
Primary purpose: branded short-domain / business identity marketing (positioned as an alternative to.coccTLD names)
Status: active

Related domains

.co— the Colombian ccTLD that is marketed globally as a generic "company/corporation" alias, conceptually related to the co.com branding proposition

⚠️ On DNS blocklist: spam-tlds
📈 Tranco rank: #2,710

Same first word

stack.bm

stack.cl

stack.ng

stack.engineer

stack.autos

stack.money

stack.online

stack.com

stack.ninja

stack.gripe

stack.net.ng

stack.page

stack.net.br

stack.delivery

stack.compare

stack.blog

stack.digital

stack.trade

stack.tm

stack.vision

stack.net.ar

stack.win

stack.enterprises

stack.ad

stack.hu

stack.services

stack.onl

stack.ac.cn

stack.com.cn

stack.world

stack.beer

stack.pics

stack.net.au

stack.vet

stack.markets

stack.cam

stack.za.com

stack.webhop.me

stack.consulting

stack.pizza

stack.homes

stack.ca

stack.nyc

stack.rich

stack.nu

stack.pt

stack.ro

stack.restaurant

stack.com.ph

stack.faith

stack.box

stack.cc

stack.finance

stack.synology.me

stack.com.tw

stack.systems

stack.host

stack.guru

stack.com.do

stack.fast

stack.co.com

stack.casino

stack.kim

stack.fo

stack.bio

stack.cafe

stack.re

stack.xyz

stack.science

stack.co.nz

stack.ind.in

stack.business

stack.ar

stack.et

stack.trading

stack.health

stack.glass

stack.bond

stack.space

stack.careers

stack.guide

stack.io

stack.aero

stack.monster

stack.report

stack.training

stack.build

stack.kiwi

stack.exchange

stack.bet

stack.rentals

stack.tools

stack.creditcard

stack.net.ph

stack.network

stack.financial

stack.ai

stack.you

stack.sx

stack.holdings

Similar names

stack.email

akcst.cn

stack.design

stack.com.mx

ackts.org

stack.fr

tacks.xyz

stack.biz

tasck.dev

ctask.ddns.net

stack.uk.net

stack.bz

catks.vercel.app

stack.buzz

ktacs.org

stack.earth

stack.skin

cakts.org

stack.biz.id

stack.agency

tacks.dev

cskat.cz

stack.ru

katsc.com

stack.ae

kctsa.org

stack.ml

stack.wedding

tcksa.com

stack.vc

sctak.se

stack.inc

stack.lt

tacks.studio

tacks.uk

stack.horse

stack.yun

stack.boats

stack.clinic

stack.zone

stack.games

stack.link

tacks.co.uk

stack.international

tacks.io

stack.sg

stack.so

stack.promo

kcast.ph

stack.capital

stack.blue

tacks.ph

csakt.com

tasck.ca

stack.university

stack.hamburg

stack.degree

stack.vip

stack.best

tasck.tech

astck.pages.dev

stack.immo

tacks.or.jp

akstc.net

stack.baby

acskt.shop

stack.my

stack.ski

tacks.com.ph

skatc.nfshost.com

stack.farm

stack.si

stack.ph

stack.co.uk

stack.pk

stack.net.ua

stack.my.id

stack.org

tacks.workers.dev

stack.sarl

stack.com.de

satck.com

stack.gallery

stack.cash

stack.latino

stack.sa

katsc.com.au

skcta.com

stack.it

stack.ch

stack.mba

stack.or.jp

stack.by

stack.ooo

stakc.org

cskat.com

tsack.ch

stack.fyi

ackts.my

stack.pub

Previous names

Next names

DNS History

6 records (2 active, 4 former)

●NSbecky.ns.cloudflare.com2026-10-13 → 2026-11-11 · 2 obs

● 2026-10-13 13:13:22
● 2026-11-11 13:37:56

●NSbuck.ns.cloudflare.com2026-10-13 → 2026-11-11 · 2 obs

● 2026-10-13 13:13:22
● 2026-11-11 13:37:56

○A104.21.75.1092026-10-16 → 2026-10-16 · 3 obs

● 2026-10-16 09:11:06
○ 2026-11-11 13:37:52
○ 2026-11-11 13:37:56

○A172.67.221.2002026-10-16 → 2026-10-16 · 3 obs

● 2026-10-16 09:11:06
○ 2026-11-11 13:37:52
○ 2026-11-11 13:37:56

○A2606:4700:3032::6815:4b6d2026-10-16 → 2026-10-16 · 3 obs

● 2026-10-16 09:11:06
○ 2026-11-11 13:37:52
○ 2026-11-11 13:37:56

○A2606:4700:3037::ac43:ddc82026-10-16 → 2026-10-16 · 3 obs

● 2026-10-16 09:11:06
○ 2026-11-11 13:37:52
○ 2026-11-11 13:37:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
co.com	ns1.nic.co.com, ns2.nic.co.com, ns3.nic.co.com, ns4.nic.co.com	8 records
stack.co.com	buck.ns.cloudflare.com, becky.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.73

NS records: buck.ns.cloudflare.com, becky.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stack.co.com (unsigned zone)

⏱️ Timing

Total: 1462ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`becky.ns.cloudflare.com, buck.ns.cloudflare.com`
SOA	1	`becky.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns1.nic.co.com, ns1.nic.co.com, ns2.nic.co.com...)

Analysis

Name Servers

The NS records for stack.co.com delegate to becky.ns.cloudflare.com and buck.ns.cloudflare.com.

stack.co.com uses the same name servers as several other domains — among them cars.za.com, thetimes.co.com, unirack.com.vn and two more.

stack.co.com has at least partial name server overlap with other domains, such as intellectual.clothing, perle-2px.pages.dev, ctsesolutions.com and two others.

It is common to find these name servers paired with the name servers conrad.ns.cloudflare.com, trace.ns.cloudflare.com, moura.ns.cloudflare.com and dale.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

becky.ns.cloudflare.com maps to 108.162.192.73, 172.64.32.73, 173.245.58.73 and 3 additional IP addresses.

buck.ns.cloudflare.com maps to 108.162.193.78, 172.64.33.78, 173.245.59.78 and 3 additional IP addresses.

stack.co.com - robtex.com

stack.co.com

co.com

co.com

Key facts

Related domains

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`stack.co.com`

`co.com`