`quantumthoughtworks.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:d611^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4dfc^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.252^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.17^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jaxson.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cdd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jaxson.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jaxson.ns.cloudflare.com`
		A	108.162.195.221^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	162.159.44.221^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	172.64.35.221^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
NS	`tara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tara.ns.cloudflare.com`
		A	108.162.192.225^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tara.ns.cloudflare.com`
		A	172.64.32.225^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tara.ns.cloudflare.com`
		A	173.245.58.225^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tara.ns.cloudflare.com`
MX	`mx1.mailchannels.net` ⭐ 🔒
		A	18.236.29.166^{🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix}
			PTR	`ec2-18-236-29-166.us-west-2.compute.amazonaws.com`
MX	`mx2.mailchannels.net` ⭐ 🔒
		A	52.38.143.159^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-38-143-159.us-west-2.compute.amazonaws.com`
TXT	`v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.77.252, 172.67.214.17
		IPv6	2606:4700:3030::ac43:d611, 2606:4700:3037::6815:4dfc
SOA	`jaxson.ns.cloudflare.com`dns@cloudflare.com serial=2396586727

`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=1771291435

🔒 HSTS Preload (+subdomains)

Same first word

quantumthoughtworks.com

DNS History

17 records (8 active, 9 former)

●NSjaxson.ns.cloudflare.com2026-02-27 → 2026-03-01 · 3 obs

○ 2016-08-10 02:47:24
● 2026-02-27 18:32:38
● 2026-03-01 10:41:28

○NSns11.domaincontrol.com2015-08-17 → 2016-03-30 · 4 obs

● 2015-08-17 22:33:18
● 2016-03-30 18:36:00
○ 2016-08-10 02:47:24
○ 2026-03-01 10:41:28

○NSns12.domaincontrol.com2015-08-17 → 2016-03-30 · 4 obs

● 2015-08-17 22:33:18
● 2016-03-30 18:36:00
○ 2016-08-10 02:47:24
○ 2026-03-01 10:41:28

●NStara.ns.cloudflare.com2026-02-27 → 2026-03-01 · 3 obs

○ 2016-08-10 02:47:24
● 2026-02-27 18:32:38
● 2026-03-01 10:41:28

○MXmailstore1.secureserver.net2015-08-17 → 2016-03-30 · 4 obs

● 2015-08-17 22:33:18
● 2016-03-30 18:36:00
○ 2016-08-10 02:47:24
○ 2026-03-01 10:41:28

●MXmx1.mailchannels.net2026-02-27 → 2026-03-01 · 3 obs

○ 2016-08-10 02:47:24
● 2026-02-27 18:32:38
● 2026-03-01 10:41:28

●MXmx2.mailchannels.net2026-02-27 → 2026-03-01 · 3 obs

○ 2016-08-10 02:47:24
● 2026-02-27 18:32:38
● 2026-03-01 10:41:28

○MXsmtp.secureserver.net2015-08-17 → 2016-03-30 · 4 obs

● 2015-08-17 22:33:18
● 2016-03-30 18:36:00
○ 2016-08-10 02:47:24
○ 2026-03-01 10:41:28

●A104.21.77.2522026-03-01 → 2026-03-01 · 2 obs

○ 2026-02-27 18:32:38
● 2026-03-01 10:41:28

●A172.67.214.172026-03-01 → 2026-03-01 · 2 obs

○ 2026-02-27 18:32:38
● 2026-03-01 10:41:28

○A184.168.221.552015-08-17 → 2016-03-30 · 4 obs

● 2015-08-17 22:33:18
● 2016-03-30 18:36:00
○ 2016-08-10 02:47:24
○ 2026-03-01 10:41:28

○A188.114.96.02026-02-27 → 2026-02-27 · 3 obs

○ 2016-08-10 02:47:24
● 2026-02-27 18:32:38
○ 2026-03-01 10:41:28

○A188.114.97.02026-02-27 → 2026-02-27 · 3 obs

○ 2016-08-10 02:47:24
● 2026-02-27 18:32:38
○ 2026-03-01 10:41:28

●A2606:4700:3030::ac43:d6112026-03-01 → 2026-03-01 · 2 obs

○ 2026-02-27 18:32:38
● 2026-03-01 10:41:28

●A2606:4700:3037::6815:4dfc2026-03-01 → 2026-03-01 · 2 obs

○ 2026-02-27 18:32:38
● 2026-03-01 10:41:28

○A2a06:98c1:3120::2026-02-27 → 2026-02-27 · 3 obs

○ 2016-08-10 02:47:24
● 2026-02-27 18:32:38
○ 2026-03-01 10:41:28

○A2a06:98c1:3121::2026-02-27 → 2026-02-27 · 3 obs

○ 2016-08-10 02:47:24
● 2026-02-27 18:32:38
○ 2026-03-01 10:41:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
quantumthoughtworks.com	tara.ns.cloudflare.com, jaxson.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.221

NS records: tara.ns.cloudflare.com, jaxson.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quantumthoughtworks.com (unsigned zone)

⏱️ Timing

Total: 252ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.214.17, 104.21.77.252`
AAAA	2	`2606:4700:3030::ac43:d611, 2606:4700:3037::6815:4dfc`
NS	2	`jaxson.ns.cloudflare.com, tara.ns.cloudflare.com`
MX	2	`mx1.mailchannels.net (pri: 0), mx2.mailchannels.net (pri: 0)`
TXT	1	`v=spf1 mx include:netblocks.dreamhost.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jaxson.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

quantumthoughtworks.com maps to four IP numbers: 2606:4700:3030::ac43:d611, 2606:4700:3037::6815:4dfc, 104.21.77.252 and 172.67.214.17.

Other host names, for instance www.bonuscasino7.com, www.gomicks.com, www.kitsab.org, shxlzs.com and taifungpancake.com share IP numbers with quantumthoughtworks.com.

Name Servers

Two name servers jaxson.ns.cloudflare.com and tara.ns.cloudflare.com handle delegation for quantumthoughtworks.com.

quantumthoughtworks.com uses the same name server setup as other domains, for example restaurantonweb.com, shopboostx.com, pferdepflegewelt.com, sirftyre.com and sndxprt.net.

quantumthoughtworks.com partially shares name servers with other domains; examples include eco-balancejourneycore.info, moneypolo.com, promodescuentos.com, real3bestgames.com and todaysreadings.live.

These name servers are often used with the name servers tricia.ns.cloudflare.com and melinda.ns.cloudflare.com.

Host names with six IP numbers: jaxson.ns.cloudflare.com points to: 2606:4700:58::a29f:2cdd, 2803:f800:50::6ca2:c3dd, 2a06:98c1:50::ac40:23dd, 108.162.195.221, 162.159.44.221 and 172.64.35.221; tara.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae1, 2803:f800:50::6ca2:c0e1, 2a06:98c1:50::ac40:20e1, 108.162.192.225, 172.64.32.225 and 173.245.58.225.

Mail Servers

quantumthoughtworks.com is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.

quantumthoughtworks.com has the same mail server setup as other domains, including tcip241.com, anahan.net, graphicindustries.net, fixmyhyperdrive.com and rain.im.

Some mail servers are shared between quantumthoughtworks.com and other domains, for example xypt.org.

Host names with one IP number: The host name mx1.mailchannels.net points to 18.236.29.166 and the host name mx2.mailchannels.net points to 52.38.143.159.

quantumthoughtworks.com - robtex.com