`coltbuilding.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1e62^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:acb9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.30.98^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.185^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melissa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melissa.ns.cloudflare.com`
		A	108.162.192.199^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	172.64.32.199^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	173.245.58.199^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
NS	`nick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nick.ns.cloudflare.com`
		A	108.162.193.213^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	172.64.33.213^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	173.245.59.213^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
MX	`mx-01-us-east-2.prod.hydra.sophos.com` ⭐
		A	3.138.43.149^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-138-43-149.us-east-2.compute.amazonaws.com`
		A	18.118.219.4^{🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix}
			PTR	`ec2-18-118-219-4.us-east-2.compute.amazonaws.com`
		A	18.189.107.171^{🇺🇸 Amazon18.189.0.0/16 EC2 CMH prefix}
			PTR	`ec2-18-189-107-171.us-east-2.compute.amazonaws.com`
MX	`mx-02-us-east-2.prod.hydra.sophos.com`⁽²⁰⁾
		A	3.138.43.149^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-138-43-149.us-east-2.compute.amazonaws.com`
		A	18.118.219.4^{🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix}
			PTR	`ec2-18-118-219-4.us-east-2.compute.amazonaws.com`
		A	18.189.107.171^{🇺🇸 Amazon18.189.0.0/16 EC2 CMH prefix}
			PTR	`ec2-18-189-107-171.us-east-2.compute.amazonaws.com`
TXT	`MS=ms22422083`
TXT	`sophos-domain-verification=51c05aeb32006e85d881eb86532025ad3337407b`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.c...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.30.98, 172.67.172.185
		IPv6	2606:4700:3032::6815:1e62, 2606:4700:3033::ac43:acb9
SOA	`melissa.ns.cloudflare.com`dns@cloudflare.com serial=2399714290

`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=2603261630

Same first word

coltbuilding.com

coltbuilding.ca

DNS History

8 records (8 active, 0 former)

●NSmelissa.ns.cloudflare.com2026-03-26 → 2026-03-26 · 2 obs

● 2026-03-26 04:24:20
● 2026-03-26 17:00:32

●NSnick.ns.cloudflare.com2026-03-26 → 2026-03-26 · 2 obs

● 2026-03-26 04:24:20
● 2026-03-26 17:00:32

●MXmx-01-us-east-2.prod.hydra.sophos.com2026-03-26 → 2026-03-26 · 2 obs

● 2026-03-26 04:24:20
● 2026-03-26 17:00:32

●MXmx-02-us-east-2.prod.hydra.sophos.com2026-03-26 → 2026-03-26 · 2 obs

● 2026-03-26 04:24:20
● 2026-03-26 17:00:32

●A104.21.30.982026-03-26 → 2026-03-26 · 2 obs

● 2026-03-26 04:24:20
● 2026-03-26 17:00:32

●A172.67.172.1852026-03-26 → 2026-03-26 · 2 obs

● 2026-03-26 04:24:20
● 2026-03-26 17:00:32

●A2606:4700:3032::6815:1e622026-03-26 → 2026-03-26 · 2 obs

● 2026-03-26 04:24:20
● 2026-03-26 17:00:32

●A2606:4700:3033::ac43:acb92026-03-26 → 2026-03-26 · 2 obs

● 2026-03-26 04:24:20
● 2026-03-26 17:00:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
coltbuilding.ca	nick.ns.cloudflare.com, melissa.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.213

NS records: nick.ns.cloudflare.com, melissa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coltbuilding.ca (unsigned zone)

⏱️ Timing

Total: 3209ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.30.98, 172.67.172.185`
AAAA	2	`2606:4700:3032::6815:1e62, 2606:4700:3033::ac43:acb9`
NS	2	`melissa.ns.cloudflare.com, nick.ns.cloudflare.com`
MX	2	`mx-01-us-east-2.prod.hydra.sophos.com (p, mx-02-us-east-2.prod.hydra.sophos.com (p`
TXT	3	`MS=ms22422083, sophos-domain-verification=51c05aeb32006...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`melissa.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

coltbuilding.ca refers to four IP numbers: 2606:4700:3032::6815:1e62, 2606:4700:3033::ac43:acb9, 104.21.30.98 and 172.67.172.185.

Other host names, for instance win99x.club, czzyhy.com, noranosh.com, lantengsa.com and www.tylers(0x706f726e)reviews.com share IP numbers with coltbuilding.ca.

Name Servers

coltbuilding.ca's delegation uses two name servers: melissa.ns.cloudflare.com and nick.ns.cloudflare.com.

coltbuilding.ca uses the same name server setup as other domains, such as 1111systems.com, elevenelevensystems.com, static1.com, coltbuilding.com and partstrack.com.

coltbuilding.ca at least partially shares name servers with other domains, including immediate14xcormax-engine.com, xfgkksb.com, losmentas.net, chanakyanewz.com and concreteprosmn.com.

These name servers are often used with devin.ns.cloudflare.com and marty.ns.cloudflare.com.

Host names with six IP numbers:

melissa.ns.cloudflare.com points to 2606:4700:50::adf5:3ac7, 2803:f800:50::6ca2:c0c7, 2a06:98c1:50::ac40:20c7, 108.162.192.199, 172.64.32.199 and 173.245.58.199.

nick.ns.cloudflare.com points to 2606:4700:58::adf5:3bd5, 2803:f800:50::6ca2:c1d5, 2a06:98c1:50::ac40:21d5, 108.162.193.213, 172.64.33.213 and 173.245.59.213.

Mail Servers

coltbuilding.ca is served by two mail servers mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com.

coltbuilding.ca shares the same mail server setup as other domains, for instance converseconsultants.com, ute.net.au, usacatalyst.com, algflag.com and oacsd.org.

coltbuilding.ca shares at least some mail servers with other domains, for example cccauca.org.co, ssmail.org, indelasto.com, cajapaita.pe and fastexlogi.com.