`hvacsystems.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3afd^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a707^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.253^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.7^{🇺🇸 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.7a1ae7bf03de.hvacsystems.org` ⭐
		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	104.21.58.253, 172.67.167.7
		IPv6	2606:4700:3033::6815:3afd, 2606:4700:3033::ac43:a707
SOA	`sonia.ns.cloudflare.com`dns@cloudflare.com serial=2399531062

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774498760

Previously MX for

hvacsystems.org

Same first word

hvacsystems.org

hvacsystems.biz

hvacsystems.co.uk

hvacsystems.eu

hvacsystems.us

DNS History

19 records (7 active, 12 former)

○NSbuy.internettraffic.com2015-05-19 → 2016-03-21 · 4 obs

● 2015-05-19 16:16:52
● 2016-03-21 11:50:24
○ 2016-07-17 17:01:42
○ 2026-03-26 04:25:00

○NSns1.airconditioner.com2026-03-08 → 2026-03-08 · 4 obs

○ 2017-04-02 17:22:32
● 2026-03-08 21:21:22
○ 2026-03-24 17:45:18
○ 2026-03-26 04:25:00

○NSns2.airconditioner.com2026-03-08 → 2026-03-08 · 4 obs

○ 2017-04-02 17:22:32
● 2026-03-08 21:21:22
○ 2026-03-24 17:45:18
○ 2026-03-26 04:25:00

○NSsell.internettraffic.com2015-05-19 → 2016-03-21 · 4 obs

● 2015-05-19 16:16:52
● 2016-03-21 11:50:24
○ 2016-07-17 17:01:42
○ 2026-03-26 04:25:00

●NSsonia.ns.cloudflare.com2026-03-24 → 2026-03-26 · 3 obs

○ 2026-03-08 21:21:22
● 2026-03-24 17:45:18
● 2026-03-26 04:25:00

●NStodd.ns.cloudflare.com2026-03-24 → 2026-03-26 · 3 obs

○ 2026-03-08 21:21:22
● 2026-03-24 17:45:18
● 2026-03-26 04:25:00

○NSuwwweb.earth.orderbox-dns.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-17 17:01:42
● 2017-04-02 17:22:32
○ 2026-03-08 21:21:22
○ 2026-03-26 04:25:00

○NSuwwweb.mars.orderbox-dns.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-17 17:01:42
● 2017-04-02 17:22:32
○ 2026-03-08 21:21:22
○ 2026-03-26 04:25:00

○NSuwwweb.mercury.orderbox-dns.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-17 17:01:42
● 2017-04-02 17:22:32
○ 2026-03-08 21:21:22
○ 2026-03-26 04:25:00

○NSuwwweb.venus.orderbox-dns.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-17 17:01:42
● 2017-04-02 17:22:32
○ 2026-03-08 21:21:22
○ 2026-03-26 04:25:00

●MX_dc-mx.7a1ae7bf03de.hvacsystems.org2026-03-24 → 2026-03-26 · 3 obs

○ 2026-03-08 21:21:22
● 2026-03-24 17:45:18
● 2026-03-26 04:25:00

○MXhvacsystems.org2026-03-08 → 2026-03-08 · 3 obs

● 2026-03-08 21:21:22
○ 2026-03-24 17:45:18
○ 2026-03-26 04:25:00

○A104.152.223.1742026-03-08 → 2026-03-08 · 4 obs

○ 2017-04-02 17:22:32
● 2026-03-08 21:21:22
○ 2026-03-24 17:45:18
○ 2026-03-26 04:25:00

●A104.21.58.2532026-03-24 → 2026-03-26 · 3 obs

○ 2026-03-08 21:21:22
● 2026-03-24 17:45:18
● 2026-03-26 04:25:00

●A172.67.167.72026-03-24 → 2026-03-26 · 3 obs

○ 2026-03-08 21:21:22
● 2026-03-24 17:45:18
● 2026-03-26 04:25:00

○A173.193.106.112017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-17 17:01:42
● 2017-04-02 17:22:32
○ 2026-03-08 21:21:22
○ 2026-03-26 04:25:00

●A2606:4700:3033::6815:3afd2026-03-24 → 2026-03-26 · 3 obs

○ 2026-03-08 21:21:22
● 2026-03-24 17:45:18
● 2026-03-26 04:25:00

●A2606:4700:3033::ac43:a7072026-03-24 → 2026-03-26 · 3 obs

○ 2026-03-08 21:21:22
● 2026-03-24 17:45:18
● 2026-03-26 04:25:00

○A69.172.201.2082015-05-19 → 2016-03-21 · 4 obs

● 2015-05-19 16:16:52
● 2016-03-21 11:50:24
○ 2016-07-17 17:01:42
○ 2026-03-26 04:25:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
hvacsystems.org	sonia.ns.cloudflare.com, todd.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.146

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hvacsystems.org (unsigned zone)

⏱️ Timing

Total: 251ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.167.7, 104.21.58.253`
AAAA	2	`2606:4700:3033::ac43:a707, 2606:4700:3033::6815:3afd`
NS	2	`sonia.ns.cloudflare.com, todd.ns.cloudflare.com`
MX	1	`_dc-mx.7a1ae7bf03de.hvacsystems.org (pri`
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`

Analysis

IP Addresses

hvacsystems.org points to four IP numbers: 2606:4700:3033::6815:3afd, 2606:4700:3033::ac43:a707, 104.21.58.253 and 172.67.167.7.

Other host names, for instance ui-my.com, wijnbesteld.nl, hc61.com, vegashero.pt and gsygsearch-aol-www.47us.com share IP numbers with hvacsystems.org.

Name Servers

hvacsystems.org's delegation is to two name servers sonia.ns.cloudflare.com and todd.ns.cloudflare.com.

hvacsystems.org shares the same name server configuration as other domains, such as wallfurnaceinstallation.com, installationwindows.com, hvaccontractor.us, airconditioningservicewestchatsworth.com and highlandairconditionerservice.com.

hvacsystems.org at least partially shares its name servers with other domains, for instance leapeafa.sa.com, bookofdead-uk.com, 144046.com, 200964.com and 133925.com.

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

hvacsystems.org is served by a single mail server, _dc-mx.7a1ae7bf03de.hvacsystems.org.

_dc-mx.7a1ae7bf03de.hvacsystems.org points to IP number 104.152.223.174.

hvacsystems.org - robtex.com

hvacsystems.org

org

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`hvacsystems.org`

`org`