stackup.ca - dns.ninja

`stackup.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a6dd^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:22fa^{🇺🇸 Cloudflare2606:4700:3034::/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	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`
		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	2606:4700:3031::ac43:a6dd, 2606:4700:3034::6815:22fa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com
SOA	`coby.ns.cloudflare.com`dns@cloudflare.com serial=2404353363

`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=2606091500

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

28 records (9 active, 19 former)

●NScoby.ns.cloudflare.com2026-02-20 → 2026-06-09 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

●NSdora.ns.cloudflare.com2026-02-20 → 2026-06-09 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

●MXmx.zoho.com2026-02-20 → 2026-06-09 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-06-09 15:51:58

●MXmx2.zoho.com2026-02-20 → 2026-06-09 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-06-09 15:51:58

●MXmx3.zoho.com2026-02-20 → 2026-06-09 · 3 obs

○ 2020-04-14 11:27:18
● 2026-02-20 01:44:04
● 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

●A104.21.34.2502026-02-20 → 2026-06-09 · 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
● 2026-06-09 15:51:58

●A172.67.166.2212026-02-20 → 2026-06-09 · 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
● 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

●A2606:4700:3031::ac43:a6dd2026-02-20 → 2026-06-09 · 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
● 2026-06-09 15:51:58

●A2606:4700:3034::6815:22fa2026-02-20 → 2026-06-09 · 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
● 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

○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
○ 2026-06-09 15:51:58

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:172.64.32.108

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: 3067ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.34.250, 172.67.166.221`
AAAA	2	`2606:4700:3031::ac43:a6dd, 2606:4700:3034::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 resolves to 4 IP numbers: 104.21.34.250, 172.67.166.221, 2606:4700:3031::ac43:a6dd and 2606:4700:3034::6815:22fa.

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, summitpalacehouse.com and two others.

These name servers are frequently used alongside name servers nelci.ns.cloudflare.com, teagan.ns.cloudflare.com, liz.ns.cloudflare.com and three others.

Host names with 6 IP numbers:

coby.ns.cloudflare.com has IP addresses 108.162.193.92, 172.64.33.92, 173.245.59.92 plus three more.

dora.ns.cloudflare.com has IP addresses 108.162.192.108, 172.64.32.108, 173.245.58.108 plus three more.

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, cloudmydc.com, botapress.info and two others.

Host names with two IP numbers:

mx.zoho.com maps to two IP addresses — 136.143.183.44 and 204.141.43.44.

Host names with one IP number:

mx2.zoho.com points to the IP address 136.143.183.44.

mx3.zoho.com points to the IP address 204.141.43.44.

These two host names — mx.zoho.com and mx2.zoho.com — each point to 136.143.183.44 IP addresses.

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