`heatcoolunit.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1052^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a6f4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.82^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.244^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sonia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26be^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sonia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sonia.ns.cloudflare.com`
		A	108.162.194.190^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	162.159.38.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	172.64.34.190^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
NS	`todd.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c192^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`todd.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2192^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`todd.ns.cloudflare.com`
		A	108.162.193.146^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	172.64.33.146^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	173.245.59.146^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
MX	`_dc-mx.ce913d4e3c3e.heatcoolunit.com` ⭐
		A	104.152.223.174^{🇺🇸 H4Y-TECH104.152.223.0/24 H4Y Technologies LLC}
			PTR	`air3.airconditioner.com`
TXT	`v=spf1 +a +mx +ip4:104.152.223.174 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.16.82, 172.67.166.244
		IPv6	2606:4700:3033::6815:1052, 2606:4700:3033::ac43:a6f4
SOA	`sonia.ns.cloudflare.com`dns@cloudflare.com serial=2399533757

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774515122

MX for

heatcoolunit.com

Same first word

heatcoolunit.com

Similar names

auctionhotel.com

hotelauction.be

hotelnautico.cz

hotelauction.com

DNS History

11 records (7 active, 4 former)

○NSns1.airconditioner.com2026-02-18 → 2026-02-18 · 3 obs

● 2026-02-18 23:20:48
○ 2026-03-26 08:59:34
○ 2026-03-26 08:59:36

○NSns2.airconditioner.com2026-02-18 → 2026-02-18 · 3 obs

● 2026-02-18 23:20:48
○ 2026-03-26 08:59:34
○ 2026-03-26 08:59:36

●NSsonia.ns.cloudflare.com2026-03-26 → 2026-03-26 · 3 obs

○ 2026-02-18 23:20:48
● 2026-03-26 08:59:34
● 2026-03-26 08:59:36

●NStodd.ns.cloudflare.com2026-03-26 → 2026-03-26 · 3 obs

○ 2026-02-18 23:20:48
● 2026-03-26 08:59:34
● 2026-03-26 08:59:36

●MX_dc-mx.ce913d4e3c3e.heatcoolunit.com2026-03-26 → 2026-03-26 · 3 obs

○ 2026-02-18 23:20:48
● 2026-03-26 08:59:34
● 2026-03-26 08:59:36

○MXheatcoolunit.com2026-02-18 → 2026-02-18 · 3 obs

● 2026-02-18 23:20:48
○ 2026-03-26 08:59:34
○ 2026-03-26 08:59:36

○A104.152.223.1742026-02-18 → 2026-02-18 · 3 obs

● 2026-02-18 23:20:48
○ 2026-03-26 08:59:34
○ 2026-03-26 08:59:36

●A104.21.16.822026-03-26 → 2026-03-26 · 3 obs

○ 2026-02-18 23:20:48
● 2026-03-26 08:59:34
● 2026-03-26 08:59:36

●A172.67.166.2442026-03-26 → 2026-03-26 · 3 obs

○ 2026-02-18 23:20:48
● 2026-03-26 08:59:34
● 2026-03-26 08:59:36

●A2606:4700:3033::6815:10522026-03-26 → 2026-03-26 · 3 obs

○ 2026-02-18 23:20:48
● 2026-03-26 08:59:34
● 2026-03-26 08:59:36

●A2606:4700:3033::ac43:a6f42026-03-26 → 2026-03-26 · 3 obs

○ 2026-02-18 23:20:48
● 2026-03-26 08:59:34
● 2026-03-26 08:59:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
heatcoolunit.com	todd.ns.cloudflare.com, sonia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.190

NS records: todd.ns.cloudflare.com, sonia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for heatcoolunit.com (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.82, 172.67.166.244`
AAAA	2	`2606:4700:3033::6815:1052, 2606:4700:3033::ac43:a6f4`
NS	2	`sonia.ns.cloudflare.com, todd.ns.cloudflare.com`
MX	1	`_dc-mx.ce913d4e3c3e.heatcoolunit.com (pr`
TXT	1	`v=spf1 +a +mx +ip4:104.152.223.174 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sonia.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (todd.ns.cloudflare.com, todd.ns.cloudflare.com, todd.ns.cloudflare.com...)

Analysis

Mail Server Role

heatcoolunit.com serves as the mail server for heatcoolunit.com.

IP Addresses

heatcoolunit.com points to four IP numbers: 2606:4700:3033::6815:1052, 2606:4700:3033::ac43:a6f4, 104.21.16.82 and 172.67.166.244.

Other host names, for instance tivorenthulix.com, mail.autodetailcenter.se, aequitas.ca, arcgate.com and www.detective.io share IP numbers with heatcoolunit.com.

Name Servers

heatcoolunit.com is delegated to two name servers: sonia.ns.cloudflare.com and todd.ns.cloudflare.com.

heatcoolunit.com uses the same name server setup as other domains, for instance ptac.info, heat.repair, heatingandcoolingcontractors.org, installingawindowairconditioner.com and southgateappliance.com.

heatcoolunit.com shares name servers with other domains at least partially, for instance helpdesk.im, hzljart.com, metodocea.com, 3st.com.au and full.am.

these name servers are often used together with the name servers adam.ns.cloudflare.com.

Host names with six IP numbers: sonia.ns.cloudflare.com points to 2606:4700:50::a29f:26be, 2803:f800:50::6ca2:c2be, 2a06:98c1:50::ac40:22be, 108.162.194.190, 162.159.38.190 and 172.64.34.190; todd.ns.cloudflare.com points to 2606:4700:58::adf5:3b92, 2803:f800:50::6ca2:c192, 2a06:98c1:50::ac40:2192, 108.162.193.146, 172.64.33.146 and 173.245.59.146.

Mail Servers

The mail server for heatcoolunit.com is _dc-mx.ce913d4e3c3e.heatcoolunit.com.

Host name _dc-mx.ce913d4e3c3e.heatcoolunit.com resolves to IP 104.152.223.174.

heatcoolunit.com - robtex.com