`qtinstruments.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:ddee^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3607^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.7^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.238^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`owen.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bdb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`owen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`owen.ns.cloudflare.com`
		A	108.162.193.219^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	172.64.33.219^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	173.245.59.219^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
NS	`tina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tina.ns.cloudflare.com`
		A	108.162.192.230^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	172.64.32.230^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	173.245.58.230^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
MX	`qtinstruments-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com exists:...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.54.7, 172.67.221.238
		IPv6	2606:4700:3036::ac43:ddee, 2606:4700:3037::6815:3607
SOA	`owen.ns.cloudflare.com`dns@cloudflare.com serial=2396525593

`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=1774733847

PTR for

164.30.118.203.in-addr.arpa

Same first word

qtinstruments.com

DNS History

12 records (7 active, 5 former)

○NSns49.worldnic.com2015-07-19 → 2016-07-13 · 4 obs

● 2015-07-19 10:03:16
● 2016-07-13 11:54:44
○ 2026-02-16 00:25:40
○ 2026-03-28 22:03:14

○NSns50.worldnic.com2015-07-19 → 2016-07-13 · 4 obs

● 2015-07-19 10:03:16
● 2016-07-13 11:54:44
○ 2026-02-16 00:25:40
○ 2026-03-28 22:03:14

●NSowen.ns.cloudflare.com2026-02-16 → 2026-03-28 · 3 obs

○ 2016-07-13 11:54:44
● 2026-02-16 00:25:40
● 2026-03-28 22:03:14

●NStina.ns.cloudflare.com2026-02-16 → 2026-03-28 · 3 obs

○ 2016-07-13 11:54:44
● 2026-02-16 00:25:40
● 2026-03-28 22:03:14

○MXcluster6.us.messagelabs.com2015-07-19 → 2016-07-13 · 4 obs

● 2015-07-19 10:03:16
● 2016-07-13 11:54:44
○ 2026-02-16 00:25:40
○ 2026-03-28 22:03:14

○MXcluster6a.us.messagelabs.com2015-07-19 → 2016-07-13 · 4 obs

● 2015-07-19 10:03:16
● 2016-07-13 11:54:44
○ 2026-02-16 00:25:40
○ 2026-03-28 22:03:14

●MXqtinstruments-com.mail.protection.outlook.com2026-02-16 → 2026-03-28 · 3 obs

○ 2016-07-13 11:54:44
● 2026-02-16 00:25:40
● 2026-03-28 22:03:14

●A104.21.54.72026-02-16 → 2026-03-28 · 3 obs

○ 2016-07-13 11:54:44
● 2026-02-16 00:25:40
● 2026-03-28 22:03:14

●A172.67.221.2382026-02-16 → 2026-03-28 · 3 obs

○ 2016-07-13 11:54:44
● 2026-02-16 00:25:40
● 2026-03-28 22:03:14

○A203.118.30.1652015-07-19 → 2016-07-13 · 4 obs

● 2015-07-19 10:03:16
● 2016-07-13 11:54:44
○ 2026-02-16 00:25:40
○ 2026-03-28 22:03:14

●A2606:4700:3036::ac43:ddee2026-02-16 → 2026-03-28 · 3 obs

○ 2016-07-13 11:54:44
● 2026-02-16 00:25:40
● 2026-03-28 22:03:14

●A2606:4700:3037::6815:36072026-02-16 → 2026-03-28 · 3 obs

○ 2016-07-13 11:54:44
● 2026-02-16 00:25:40
● 2026-03-28 22:03:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
qtinstruments.com	tina.ns.cloudflare.com, owen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.230

NS records: tina.ns.cloudflare.com, owen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qtinstruments.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.221.238, 104.21.54.7`
AAAA	2	`2606:4700:3037::6815:3607, 2606:4700:3036::ac43:ddee`
NS	2	`owen.ns.cloudflare.com, tina.ns.cloudflare.com`
MX	1	`qtinstruments-com.mail.protection.outloo`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`owen.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

qtinstruments.com resolves to four IPs: 2606:4700:3036::ac43:ddee, 2606:4700:3037::6815:3607, 104.21.54.7 and 172.67.221.238.

Other host names, for instance healthylittlevittles.com, zhenpinpuzi.com, lacsports.net, pmp.com.mx and ye12310.com share IP numbers with qtinstruments.com.

Name Servers

qtinstruments.com has two name servers: owen.ns.cloudflare.com and tina.ns.cloudflare.com.

qtinstruments.com shares the same name server setup as other domains, for example kneepaintreatment.us, aiautomationconsulting.org, petrolgang.com, no-hair.net and turbofireapps.com.

qtinstruments.com shares some name servers with other domains, for example mijntm.nl, chenjie.info, thearrowhead.org, smilebox.gifts and 2632.us.

These name servers are often used together with sima.ns.cloudflare.com, mckinley.ns.cloudflare.com and sharon.ns.cloudflare.com.

Host names with six IP numbers: owen.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdb, 2803:f800:50::6ca2:c1db, 2a06:98c1:50::ac40:21db, 108.162.193.219, 172.64.33.219 and 173.245.59.219; tina.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae6, 2803:f800:50::6ca2:c0e6, 2a06:98c1:50::ac40:20e6, 108.162.192.230, 172.64.32.230 and 173.245.58.230.

Mail Servers

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

qtinstruments-com.mail.protection.outlook.com points to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

qtinstruments.com - robtex.com