stackup.ca - dns.ninja

`stackup.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:22fa^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a6dd^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.250^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.221^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coby.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coby.ns.cloudflare.com`
		A	108.162.193.92^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	172.64.33.92^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	173.245.59.92^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
NS	`dora.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dora.ns.cloudflare.com`
		A	108.162.192.108^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	172.64.32.108^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	173.245.58.108^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`brevo-code:6827d2edaf8997b62beae13abc887973`
TXT	`google-site-verification=aQo2UWhdVj8oxk4EiHmuTJJWWkVSSV4kU4TAuiZFjxc`
TXT	`v=spf1 include:dc-8e814c8572._spfm.stackup.ca ~all`
TXT	`zone-ownership-verification-dbec2c027cafeefbddabb6b363a0cf84b881112270cfa6498...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.250, 172.67.166.221
		IPv6 hints	2606:4700:3033::6815:22fa, 2606:4700:3036::ac43:a6dd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=128, name=cloudflare-ech.com
SOA	`coby.ns.cloudflare.com`dns@cloudflare.com serial=2409460347

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2607261330

Same first word

stackup.guru

stackup.net

stackup.education

stackup.org

stackup.finance

stackup.com

stackup.io

stackup.dev

stackup.co

stackup.co.uk

stackup.fi

stackup.sh

stackup.expert

stackup.com.au

stackup.cn

stackup.it

stackup.tech

stackup.ca

stackup.ai

Similar names

tupacks.com

cuptask.com

upstack.co

skatcup.com

upstack.com

kutaspc.com

upstack.io

utpacks.com

taskcup.com

upstack.net

pustack.com

DNS History

30 records (9 active, 21 former)

●NScoby.ns.cloudflare.com2026-02-20 → 2026-07-26 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-07-26 14:21:14

○NSdns1.stabletransit.com2015-08-31 → 2016-07-14 · 4 obs

● 2015-08-31 03:59:26
● 2016-07-14 08:04:20
○ 2017-03-28 17:01:08
○ 2026-07-26 14:21:14

○NSdns2.stabletransit.com2015-08-31 → 2016-07-14 · 4 obs

● 2015-08-31 03:59:26
● 2016-07-14 08:04:20
○ 2017-03-28 17:01:08
○ 2026-07-26 14:21:14

●NSdora.ns.cloudflare.com2026-02-20 → 2026-07-26 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-07-26 14:21:14

○NSns.rackspace.com2015-08-31 → 2016-07-14 · 4 obs

● 2015-08-31 03:59:26
● 2016-07-14 08:04:20
○ 2017-03-28 17:01:08
○ 2026-07-26 14:21:14

○NSns47.domaincontrol.com2017-03-28 → 2017-03-28 · 4 obs

○ 2016-07-14 08:04:20
● 2017-03-28 17:01:08
○ 2020-04-14 11:27:18
○ 2026-07-26 14:21:14

○NSns48.domaincontrol.com2017-03-28 → 2017-03-28 · 4 obs

○ 2016-07-14 08:04:20
● 2017-03-28 17:01:08
○ 2020-04-14 11:27:18
○ 2026-07-26 14:21:14

○NSns73.domaincontrol.com2020-04-14 → 2020-04-14 · 4 obs

○ 2017-03-28 17:01:08
● 2020-04-14 11:27:18
○ 2026-02-20 01:44:04
○ 2026-07-26 14:21:14

○NSns74.domaincontrol.com2020-04-14 → 2020-04-14 · 4 obs

○ 2017-03-28 17:01:08
● 2020-04-14 11:27:18
○ 2026-02-20 01:44:04
○ 2026-07-26 14:21:14

○MXalt1.aspmx.l.google.com2015-08-31 → 2016-07-14 · 4 obs

● 2015-08-31 03:59:26
● 2016-07-14 08:04:20
○ 2017-03-28 17:01:08
○ 2026-07-26 14:21:14

○MXaspmx.l.google.com2015-08-31 → 2016-07-14 · 4 obs

● 2015-08-31 03:59:26
● 2016-07-14 08:04:20
○ 2017-03-28 17:01:08
○ 2026-07-26 14:21:14

○MXaspmx2.googlemail.com2015-08-31 → 2016-07-14 · 4 obs

● 2015-08-31 03:59:26
● 2016-07-14 08:04:20
○ 2017-03-28 17:01:08
○ 2026-07-26 14:21:14

○MXmailstore1.secureserver.net2017-03-28 → 2020-04-14 · 5 obs

○ 2016-07-14 08:04:20
● 2017-03-28 17:01:08
● 2020-04-14 11:27:18
○ 2026-02-20 01:44:04
○ 2026-07-26 14:21:14

●MXmx.zoho.com2026-02-20 → 2026-07-26 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-07-26 14:21:14

●MXmx2.zoho.com2026-02-20 → 2026-07-26 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-07-26 14:21:14

●MXmx3.zoho.com2026-02-20 → 2026-07-26 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-07-26 14:21:14

○MXsmtp.secureserver.net2017-03-28 → 2020-04-14 · 5 obs

○ 2016-07-14 08:04:20
● 2017-03-28 17:01:08
● 2020-04-14 11:27:18
○ 2026-02-20 01:44:04
○ 2026-07-26 14:21:14

●A104.21.34.2502026-02-20 → 2026-07-26 · 7 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-02-20 02:46:02
○ 2026-03-03 19:46:06
○ 2026-03-11 14:10:08
● 2026-05-08 03:19:32
● 2026-07-26 14:21:14

●A172.67.166.2212026-02-20 → 2026-07-26 · 7 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-02-20 02:46:02
○ 2026-03-03 19:46:06
○ 2026-03-11 14:10:08
● 2026-05-08 03:19:32
● 2026-07-26 14:21:14

○A184.168.131.2412020-04-14 → 2020-04-14 · 4 obs

○ 2017-03-28 17:01:08
● 2020-04-14 11:27:18
○ 2026-02-20 01:44:04
○ 2026-07-26 14:21:14

○A184.168.221.392017-03-28 → 2017-03-28 · 4 obs

○ 2016-07-14 08:04:20
● 2017-03-28 17:01:08
○ 2020-04-14 11:27:18
○ 2026-07-26 14:21:14

○A188.114.96.02026-03-03 → 2026-03-11 · 5 obs

○ 2026-02-20 02:46:02
● 2026-03-03 19:46:06
● 2026-03-11 14:10:08
○ 2026-05-08 03:19:32
○ 2026-07-26 14:21:14

○A188.114.97.02026-03-03 → 2026-03-11 · 5 obs

○ 2026-02-20 02:46:02
● 2026-03-03 19:46:06
● 2026-03-11 14:10:08
○ 2026-05-08 03:19:32
○ 2026-07-26 14:21:14

○A198.61.224.642015-08-31 → 2016-07-14 · 4 obs

● 2015-08-31 03:59:26
● 2016-07-14 08:04:20
○ 2017-03-28 17:01:08
○ 2026-07-26 14:21:14

○A2606:4700:3031::ac43:a6dd2026-02-20 → 2026-06-14 · 9 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-02-20 02:46:02
○ 2026-03-03 19:46:06
○ 2026-03-11 14:10:08
● 2026-05-08 03:19:32
● 2026-06-14 08:05:56
○ 2026-07-08 11:28:38
○ 2026-07-26 14:21:14

●A2606:4700:3033::6815:22fa2026-07-08 → 2026-07-26 · 3 obs

○ 2026-06-14 08:05:56
● 2026-07-08 11:28:38
● 2026-07-26 14:21:14

○A2606:4700:3034::6815:22fa2026-02-20 → 2026-06-14 · 9 obs

●A2606:4700:3036::ac43:a6dd2026-07-08 → 2026-07-26 · 3 obs

○ 2026-06-14 08:05:56
● 2026-07-08 11:28:38
● 2026-07-26 14:21:14

○A2a06:98c1:3120::2026-03-03 → 2026-03-11 · 5 obs

○ 2026-02-20 02:46:02
● 2026-03-03 19:46:06
● 2026-03-11 14:10:08
○ 2026-05-08 03:19:32
○ 2026-07-26 14:21:14

○A2a06:98c1:3121::2026-03-03 → 2026-03-11 · 5 obs

○ 2026-02-20 02:46:02
● 2026-03-03 19:46:06
● 2026-03-11 14:10:08
○ 2026-05-08 03:19:32
○ 2026-07-26 14:21:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
stackup.ca	coby.ns.cloudflare.com, dora.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.92

NS records: coby.ns.cloudflare.com, dora.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackup.ca (unsigned zone)

⏱️ Timing

Total: 1559ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.34.250, 172.67.166.221`
AAAA	2	`2606:4700:3036::ac43:a6dd, 2606:4700:3033::6815:22fa`
NS	2	`coby.ns.cloudflare.com, dora.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx3.zoho.com (pri: 20)...`
TXT	4	`brevo-code:6827d2edaf8997b62beae13abc887, google-site-verification=aQo2UWhdVj8oxk4...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coby.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

stackup.ca has four IP addresses: 104.21.34.250, 172.67.166.221, 2606:4700:3033::6815:22fa and 2606:4700:3036::ac43:a6dd.

Additional host names — ujconline.net, acg.us.com, www.concadoromonreale.it and two others — share IP numbers with stackup.ca.

Name Servers

stackup.ca is served by two delegated name servers, coby.ns.cloudflare.com and dora.ns.cloudflare.com.

stackup.ca shares its name server setup with other domains, including sss.re, la-bonne-humeur.fr, vaipharm.com and two others.

stackup.ca has at least partial name server overlap with other domains, such as nivorquenasti.com, skohorn.net, zippypackaging.co.nz and two others.

It is common to find these name servers paired with the name servers nelci.ns.cloudflare.com.

Host names with 6 IP numbers:

coby.ns.cloudflare.com carries IP addresses 108.162.193.92, 172.64.33.92 and 173.245.59.92, with 3 other addresses beyond those.

dora.ns.cloudflare.com carries IP addresses 108.162.192.108, 172.64.32.108 and 173.245.58.108, with 3 other addresses beyond those.

Mail Servers

stackup.ca has three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

stackup.ca shares mail servers — at least in part — with other domains, including bandadaaccesorios.com.ar, lebanonbaptistky.com, cloudmydc.com and two others.

mx2.zoho.com resolves to 136.143.183.44. Notably, mx3.zoho.com and mx.zoho.com share the same IP address, 204.141.43.44.

These two host names — mx3.zoho.com and mx.zoho.com — each point to 204.141.43.44 IP addresses.