`quantechhvac.com`

DNSSEC	⚠️ Not signed
NS	`a.portsdns.se` ⭐
		A	2607:f740:e009::1^{🇺🇸 NETACTUATE2607:f740:e009::/48 Anycast Prefix}
			PTR	`a.portsdns.se`
		A	45.54.35.101^{🇺🇸 NETACTUATE45.54.35.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`a.portsdns.se`
NS	`b.portsdns.net`
		A	2a00:11c0:3d::1^{🇦🇹 ANX-CUSTOMER2a00:11c0:3d::/48 Anycast powered by ANX}
			PTR	`b.portsdns.net`
		A	94.16.23.1^{🇦🇹 ANX-CUSTOMER94.16.23.0/24 Anycast powered by ANX}
			PTR	`b.portsdns.net`
MX	`quantechhvac-com.mail.protection.outlook.com` ⭐
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
		A	52.101.50.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00502.inbound.protection.outlook.com`
TXT	`MS=ms26028895`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`a.portsdns.se`registry@ports.net 2024-08-23 #0

`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=1774555127

Same first word

quantechhvac.com

DNS History

7 records (3 active, 4 former)

●NSa.portsdns.se2026-03-22 → 2026-03-26 · 3 obs

○ 2017-10-03 06:09:22
● 2026-03-22 19:01:30
● 2026-03-26 20:13:22

●NSb.portsdns.net2026-03-22 → 2026-03-26 · 3 obs

○ 2017-10-03 06:09:22
● 2026-03-22 19:01:30
● 2026-03-26 20:13:22

○NSdns1.cscdns.net2016-12-20 → 2017-10-03 · 4 obs

● 2016-12-20 23:33:52
● 2017-10-03 06:09:22
○ 2026-03-22 19:01:30
○ 2026-03-26 20:13:22

○NSdns2.cscdns.net2016-12-20 → 2017-10-03 · 4 obs

● 2016-12-20 23:33:52
● 2017-10-03 06:09:22
○ 2026-03-22 19:01:30
○ 2026-03-26 20:13:22

●MXquantechhvac-com.mail.protection.outlook.com2016-12-20 → 2026-03-26 · 2 obs

● 2016-12-20 23:33:52
● 2026-03-26 20:13:22

○A165.160.13.202016-12-20 → 2017-10-03 · 4 obs

● 2016-12-20 23:33:52
● 2017-10-03 06:09:22
○ 2026-03-22 19:01:30
○ 2026-03-26 20:13:22

○A165.160.15.202016-12-20 → 2017-10-03 · 4 obs

● 2016-12-20 23:33:52
● 2017-10-03 06:09:22
○ 2026-03-22 19:01:30
○ 2026-03-26 20:13:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
quantechhvac.com	b.portsdns.net, a.portsdns.se	-

✅ Authoritative Response

Server:94.16.23.1

NS records: b.portsdns.net, a.portsdns.se

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quantechhvac.com (unsigned zone)

⏱️ Timing

Total: 914ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.portsdns.se, b.portsdns.net`
MX	1	`quantechhvac-com.mail.protection.outlook`
TXT	2	`MS=ms26028895, v=spf1 include:spf.protection.outlook.co`
SOA	1	`a.portsdns.se registry.ports.net`

Analysis

Name Servers

quantechhvac.com is delegated to two name servers: b.portsdns.net and a.portsdns.se.

quantechhvac.com shares the same name server setup as artemis-international.ch, ideal-gokkast.nl, vipercleaning.fi, tesy.it and lurpak.co.in.

quantechhvac.com partially shares its name servers with other domains, for example gophergripes.com, regionkalmar.se and comeon.fi.

these name servers are often used in conjunction with the name servers dns01.dipcon.com.

Host names with two IP numbers: b.portsdns.net points to: 2a00:11c0:3d::1 and 94.16.23.1; a.portsdns.se points to: 2607:f740:e009::1 and 45.54.35.101.

Mail Servers

quantechhvac.com is handled by a single mail server, quantechhvac-com.mail.protection.outlook.com.

The host name quantechhvac-com.mail.protection.outlook.com has four IP numbers: 52.101.10.6, 52.101.40.1, 52.101.42.18 and 52.101.50.10.

quantechhvac.com - robtex.com