duothinking.com - dns.ninja

`duothinking.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:b2e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a526^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.11.46^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.165.38^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`laura.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laura.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laura.ns.cloudflare.com`
		A	108.162.192.183^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	172.64.32.183^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	173.245.58.183^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽¹⁶⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=gfHGmL8tSa1NFTBIYEHlhgDrxjt6SHWh8VctOf-yI30`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.11.46, 172.67.165.38
		IPv6 hints	2606:4700:3030::6815:b2e, 2606:4700:3036::ac43:a526
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=92, name=cloudflare-ech.com
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2410691171

`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=1786292909

Same first word

duothinking.com

DNS History

32 records (9 active, 23 former)

●NSalex.ns.cloudflare.com2016-02-06 → 2026-08-09 · 7 obs

○ 2015-11-09 17:31:16
● 2016-02-06 12:17:10
● 2016-07-05 21:15:50
○ 2017-03-21 11:06:58
○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
● 2026-08-09 16:43:58

●NSlaura.ns.cloudflare.com2016-02-06 → 2026-08-09 · 7 obs

○ 2015-11-09 17:31:16
● 2016-02-06 12:17:10
● 2016-07-05 21:15:50
○ 2017-03-21 11:06:58
○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
● 2026-08-09 16:43:58

○NSns1.changeip.com2017-03-21 → 2017-10-15 · 5 obs

○ 2016-07-05 21:15:50
● 2017-03-21 11:06:58
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○NSns2.changeip.com2017-03-21 → 2017-10-15 · 5 obs

○ 2016-07-05 21:15:50
● 2017-03-21 11:06:58
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○NSns3.changeip.com2017-03-21 → 2017-10-15 · 5 obs

○ 2016-07-05 21:15:50
● 2017-03-21 11:06:58
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○NSns33.domaincontrol.com2015-06-12 → 2015-11-09 · 4 obs

● 2015-06-12 01:58:30
● 2015-11-09 17:31:16
○ 2016-02-06 12:17:10
○ 2026-08-09 16:43:58

○NSns34.domaincontrol.com2015-06-12 → 2015-11-09 · 4 obs

● 2015-06-12 01:58:30
● 2015-11-09 17:31:16
○ 2016-02-06 12:17:10
○ 2026-08-09 16:43:58

○NSns4.changeip.com2017-03-21 → 2017-10-15 · 5 obs

○ 2016-07-05 21:15:50
● 2017-03-21 11:06:58
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○NSns5.changeip.com2017-03-21 → 2017-10-15 · 5 obs

○ 2016-07-05 21:15:50
● 2017-03-21 11:06:58
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○NSns6.changeip.com2017-03-21 → 2017-10-15 · 5 obs

○ 2016-07-05 21:15:50
● 2017-03-21 11:06:58
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○NSns7.changeip.com2017-03-21 → 2017-10-15 · 5 obs

○ 2016-07-05 21:15:50
● 2017-03-21 11:06:58
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○MXalt1.aspmx.l.google.com2015-11-09 → 2017-10-15 · 5 obs

○ 2015-06-12 01:58:30
● 2015-11-09 17:31:16
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○MXalt2.aspmx.l.google.com2015-11-09 → 2017-10-15 · 5 obs

○ 2015-06-12 01:58:30
● 2015-11-09 17:31:16
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○MXaspmx.l.google.com2015-11-09 → 2017-10-15 · 5 obs

○ 2015-06-12 01:58:30
● 2015-11-09 17:31:16
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○MXaspmx2.googlemail.com2015-11-09 → 2017-10-15 · 5 obs

○ 2015-06-12 01:58:30
● 2015-11-09 17:31:16
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○MXaspmx3.googlemail.com2015-11-09 → 2017-10-15 · 5 obs

○ 2015-06-12 01:58:30
● 2015-11-09 17:31:16
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

○MXmailstore1.secureserver.net2015-06-12 → 2015-06-12 · 3 obs

● 2015-06-12 01:58:30
○ 2015-11-09 17:31:16
○ 2026-08-09 16:43:58

●MXroute1.mx.cloudflare.net2026-02-15 → 2026-08-09 · 3 obs

○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
● 2026-08-09 16:43:58

●MXroute2.mx.cloudflare.net2026-02-15 → 2026-08-09 · 3 obs

○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
● 2026-08-09 16:43:58

●MXroute3.mx.cloudflare.net2026-02-15 → 2026-08-09 · 3 obs

○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
● 2026-08-09 16:43:58

○MXsmtp.secureserver.net2015-06-12 → 2015-06-12 · 3 obs

● 2015-06-12 01:58:30
○ 2015-11-09 17:31:16
○ 2026-08-09 16:43:58

○A1.160.243.1032017-08-15 → 2017-08-15 · 4 obs

○ 2017-03-21 11:06:58
● 2017-08-15 13:54:58
○ 2017-08-15 20:55:14
○ 2026-08-09 16:43:58

●A104.21.11.462026-02-15 → 2026-08-09 · 3 obs

○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
● 2026-08-09 16:43:58

○A111.240.247.1082017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-05 21:15:50
● 2017-03-21 11:06:58
○ 2017-08-15 13:54:58
○ 2026-08-09 16:43:58

○A111.250.159.2112017-10-15 → 2017-10-15 · 4 obs

○ 2017-08-15 20:55:14
● 2017-10-15 07:40:44
○ 2026-02-15 13:28:44
○ 2026-08-09 16:43:58

●A172.67.165.382026-02-15 → 2026-08-09 · 3 obs

○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
● 2026-08-09 16:43:58

●A2606:4700:3030::6815:b2e2026-07-21 → 2026-08-09 · 3 obs

○ 2026-02-15 13:28:44
● 2026-07-21 20:57:30
● 2026-08-09 16:43:58

○A2606:4700:3034::ac43:a5262026-02-15 → 2026-02-15 · 4 obs

○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
○ 2026-07-21 20:57:30
○ 2026-08-09 16:43:58

●A2606:4700:3036::ac43:a5262026-07-21 → 2026-08-09 · 3 obs

○ 2026-02-15 13:28:44
● 2026-07-21 20:57:30
● 2026-08-09 16:43:58

○A2606:4700:3037::6815:b2e2026-02-15 → 2026-02-15 · 4 obs

○ 2017-10-15 07:40:44
● 2026-02-15 13:28:44
○ 2026-07-21 20:57:30
○ 2026-08-09 16:43:58

○A36.225.109.1532017-08-15 → 2017-08-15 · 4 obs

○ 2017-08-15 13:54:58
● 2017-08-15 20:55:14
○ 2017-10-15 07:40:44
○ 2026-08-09 16:43:58

○A50.63.202.522015-06-12 → 2016-07-05 · 4 obs

● 2015-06-12 01:58:30
● 2016-07-05 21:15:50
○ 2017-03-21 11:06:58
○ 2026-08-09 16:43:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...	-
duothinking.com	alex.ns.cloudflare.com, laura.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:172.64.32.183

NS records: alex.ns.cloudflare.com, laura.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.11.46, 172.67.165.38`
AAAA	2	`2606:4700:3036::ac43:a526, 2606:4700:3030::6815:b2e`
NS	2	`alex.ns.cloudflare.com, laura.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 1), route2.mx.cloudflare.net (pri: 16)...`
TXT	2	`google-site-verification=gfHGmL8tSa1NFTB, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

duothinking.com has four IP addresses: 104.21.11.46, 172.67.165.38, 2606:4700:3030::6815:b2e and 2606:4700:3036::ac43:a526.

wlxyp.com, technotrend-online.com, kittyklean.com and two other host names share IP numbers with duothinking.com.

Name Servers

duothinking.com is served by two delegated name servers, alex.ns.cloudflare.com and laura.ns.cloudflare.com.

duothinking.com uses the same name servers as several other domains — among them salmakishotel.com, civicentiumx.org, mykibo.com and two more.

duothinking.com has at least partial name server overlap with other domains, such as aakaracademy.com, jetforge.za.com, letsmesh.net and two others.

It is common to see these name servers used together with name servers augustus.ns.cloudflare.com and carter.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

alex.ns.cloudflare.com carries IP addresses 108.162.193.100, 172.64.33.100 and 173.245.59.100, with 3 other addresses beyond those.

laura.ns.cloudflare.com carries IP addresses 108.162.192.183, 172.64.32.183 and 173.245.58.183, with 3 other addresses beyond those.

Mail Servers

duothinking.com has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

duothinking.com has at least partial mail server overlap with other domains such as enjazhost.com, nossostudioarq.com, spardhaprakashan.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.