`centrethought.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:3cf0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:ca8c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.60.240^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.140^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`malcolm.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`malcolm.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c351^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`malcolm.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2351^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`malcolm.ns.cloudflare.com`
		A	108.162.195.81^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`malcolm.ns.cloudflare.com`
		A	162.159.44.81^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`malcolm.ns.cloudflare.com`
		A	172.64.35.81^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`malcolm.ns.cloudflare.com`
NS	`robin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ada^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`robin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`robin.ns.cloudflare.com`
		A	108.162.192.218^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	172.64.32.218^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	173.245.58.218^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.60.240, 172.67.202.140
		IPv6	2606:4700:3035::6815:3cf0, 2606:4700:3036::ac43:ca8c
SOA	`malcolm.ns.cloudflare.com`dns@cloudflare.com serial=2396538165

`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

WOT: UNKNOWN (98/100)

Previously MX for

centrethought.com

Subdomains

www.centrethought.com

Same first word

centrethought.com

Similar names

thoughtcenter.com

DNS History

14 records (6 active, 8 former)

●NSmalcolm.ns.cloudflare.com2026-02-15 → 2026-03-18 · 3 obs

○ 2020-01-05 07:55:50
● 2026-02-15 19:26:58
● 2026-03-18 12:06:24

○NSns1.ifastnet17.org2015-08-06 → 2020-01-05 · 4 obs

● 2015-08-06 16:13:14
● 2020-01-05 07:55:50
○ 2026-02-15 19:26:58
○ 2026-03-18 12:06:24

○NSns2.ifastnet17.org2015-08-06 → 2020-01-05 · 4 obs

● 2015-08-06 16:13:14
● 2020-01-05 07:55:50
○ 2026-02-15 19:26:58
○ 2026-03-18 12:06:24

●NSrobin.ns.cloudflare.com2026-02-15 → 2026-03-18 · 3 obs

○ 2020-01-05 07:55:50
● 2026-02-15 19:26:58
● 2026-03-18 12:06:24

○MXcentrethought.com2015-08-06 → 2017-01-07 · 4 obs

● 2015-08-06 16:13:14
● 2017-01-07 22:51:22
○ 2020-01-05 07:55:50
○ 2026-03-18 12:06:24

○MXmx.zoho.com2020-01-05 → 2026-02-15 · 5 obs

○ 2017-01-07 22:51:22
● 2020-01-05 07:55:50
● 2026-02-15 19:26:58
○ 2026-02-22 20:37:16
○ 2026-03-18 12:06:24

○MXmx2.zoho.com2020-01-05 → 2026-02-15 · 5 obs

○ 2017-01-07 22:51:22
● 2020-01-05 07:55:50
● 2026-02-15 19:26:58
○ 2026-02-22 20:37:16
○ 2026-03-18 12:06:24

○MXmx3.zoho.com2020-01-05 → 2026-02-15 · 5 obs

○ 2017-01-07 22:51:22
● 2020-01-05 07:55:50
● 2026-02-15 19:26:58
○ 2026-02-22 20:37:16
○ 2026-03-18 12:06:24

●A104.21.60.2402026-02-15 → 2026-03-18 · 3 obs

○ 2020-01-05 07:55:50
● 2026-02-15 19:26:58
● 2026-03-18 12:06:24

●A172.67.202.1402026-02-15 → 2026-03-18 · 3 obs

○ 2020-01-05 07:55:50
● 2026-02-15 19:26:58
● 2026-03-18 12:06:24

●A2606:4700:3035::6815:3cf02026-02-15 → 2026-03-18 · 3 obs

○ 2020-01-05 07:55:50
● 2026-02-15 19:26:58
● 2026-03-18 12:06:24

●A2606:4700:3036::ac43:ca8c2026-02-15 → 2026-03-18 · 3 obs

○ 2020-01-05 07:55:50
● 2026-02-15 19:26:58
● 2026-03-18 12:06:24

○A31.22.7.1022020-01-05 → 2020-01-05 · 4 obs

○ 2017-01-07 22:51:22
● 2020-01-05 07:55:50
○ 2026-02-15 19:26:58
○ 2026-03-18 12:06:24

○A31.22.7.2512015-08-06 → 2017-01-07 · 4 obs

● 2015-08-06 16:13:14
● 2017-01-07 22:51:22
○ 2020-01-05 07:55:50
○ 2026-03-18 12:06:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net...	-
centrethought.com	robin.ns.cloudflare.com, malcolm.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.218

NS records: robin.ns.cloudflare.com, malcolm.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrethought.com (unsigned zone)

⏱️ Timing

Total: 98ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.202.140, 104.21.60.240`
AAAA	2	`2606:4700:3036::ac43:ca8c, 2606:4700:3035::6815:3cf0`
NS	2	`malcolm.ns.cloudflare.com, robin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`malcolm.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

centrethought.com is a parent of www.centrethought.com.

IP Addresses

centrethought.com resolves to four IPs: 2606:4700:3035::6815:3cf0, 2606:4700:3036::ac43:ca8c, 104.21.60.240 and 172.67.202.140.

Other host names such as spinglobalnews.co.uk, avcsol.com, g3xz.cn, pashq.com and orbithomes.com.au share IP numbers with centrethought.com.

Name Servers

centrethought.com is delegated to two name servers: malcolm.ns.cloudflare.com and robin.ns.cloudflare.com.

centrethought.com uses the same name server setup as other domains, including mirmusic.nl, coachingfinanciero.net, sportop.com.pl, apartmentcorner.com and ronsservice.com.

At least part of the name servers for centrethought.com are shared with other domains, for instance cdbskj.com, sytis.com, pttogel.com, 099go.com and 1win.in.

These name servers are commonly used alongside harleigh.ns.cloudflare.com and fish.ns.cloudflare.com.

Host names with six IP numbers:

malcolm.ns.cloudflare.com points to: 2606:4700:58::a29f:2c51, 2803:f800:50::6ca2:c351, 2a06:98c1:50::ac40:2351, 108.162.195.81, 162.159.44.81 and 172.64.35.81.

robin.ns.cloudflare.com points to: 2606:4700:50::adf5:3ada, 2803:f800:50::6ca2:c0da, 2a06:98c1:50::ac40:20da, 108.162.192.218, 172.64.32.218 and 173.245.58.218.

centrethought.com - robtex.com