`doukua.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:3888^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:baa0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.136^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.160^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hope.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hope.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hope.ns.cloudflare.com`
		A	108.162.192.163^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	172.64.32.163^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	173.245.58.163^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
NS	`marek.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
TXT	`google-site-verification=83QPTMbT3WNkuT9lh0THBbz0fybd0laiLdkTxt68_G0`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.56.136, 172.67.186.160
		IPv6	2606:4700:3036::6815:3888, 2606:4700:3037::ac43:baa0
SOA	`hope.ns.cloudflare.com`dns@cloudflare.com serial=2398263461

`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=1774480552

Subdomains

www.doukua.com

Same first word

doukua.com

Similar names

kuadou.com.cn

kuadou.cn

DNS History

19 records (6 active, 13 former)

○NSdns1.iidns.com2015-06-05 → 2017-01-08 · 4 obs

● 2015-06-05 03:09:00
● 2017-01-08 06:32:58
○ 2018-06-29 10:56:22
○ 2026-03-25 23:41:44

○NSdns2.iidns.com2015-06-05 → 2017-01-08 · 4 obs

● 2015-06-05 03:09:00
● 2017-01-08 06:32:58
○ 2018-06-29 10:56:22
○ 2026-03-25 23:41:44

○NSdns3.iidns.com2015-06-05 → 2017-01-08 · 4 obs

● 2015-06-05 03:09:00
● 2017-01-08 06:32:58
○ 2018-06-29 10:56:22
○ 2026-03-25 23:41:44

○NSdns4.iidns.com2015-06-05 → 2017-01-08 · 4 obs

● 2015-06-05 03:09:00
● 2017-01-08 06:32:58
○ 2018-06-29 10:56:22
○ 2026-03-25 23:41:44

○NSdns5.iidns.com2015-06-05 → 2017-01-08 · 4 obs

● 2015-06-05 03:09:00
● 2017-01-08 06:32:58
○ 2018-06-29 10:56:22
○ 2026-03-25 23:41:44

○NSdns6.iidns.com2015-06-05 → 2017-01-08 · 4 obs

● 2015-06-05 03:09:00
● 2017-01-08 06:32:58
○ 2018-06-29 10:56:22
○ 2026-03-25 23:41:44

●NShope.ns.cloudflare.com2026-03-25 → 2026-03-25 · 3 obs

○ 2018-06-29 10:56:22
● 2026-03-25 23:41:40
● 2026-03-25 23:41:44

●NSmarek.ns.cloudflare.com2026-03-25 → 2026-03-25 · 3 obs

○ 2018-06-29 10:56:22
● 2026-03-25 23:41:40
● 2026-03-25 23:41:44

○NSns3.dns.com2018-06-29 → 2018-06-29 · 4 obs

○ 2017-01-08 06:32:58
● 2018-06-29 10:56:22
○ 2026-03-25 23:41:40
○ 2026-03-25 23:41:44

○NSns4.dns.com2018-06-29 → 2018-06-29 · 4 obs

○ 2017-01-08 06:32:58
● 2018-06-29 10:56:22
○ 2026-03-25 23:41:40
○ 2026-03-25 23:41:44

●A104.21.56.1362026-03-25 → 2026-03-25 · 3 obs

○ 2018-06-29 10:56:22
● 2026-03-25 23:41:40
● 2026-03-25 23:41:44

○A115.29.46.1532015-06-05 → 2018-06-29 · 4 obs

● 2015-06-05 03:09:00
● 2018-06-29 10:56:22
○ 2026-03-25 23:41:40
○ 2026-03-25 23:41:44

●A172.67.186.1602026-03-25 → 2026-03-25 · 3 obs

○ 2018-06-29 10:56:22
● 2026-03-25 23:41:40
● 2026-03-25 23:41:44

○A188.114.96.02026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-25 23:41:40
○ 2026-03-25 23:41:44

○A188.114.97.02026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-25 23:41:40
○ 2026-03-25 23:41:44

●A2606:4700:3036::6815:38882026-03-25 → 2026-03-25 · 3 obs

○ 2018-06-29 10:56:22
● 2026-03-25 23:41:40
● 2026-03-25 23:41:44

●A2606:4700:3037::ac43:baa02026-03-25 → 2026-03-25 · 3 obs

○ 2018-06-29 10:56:22
● 2026-03-25 23:41:40
● 2026-03-25 23:41:44

○A2a06:98c1:3120::2026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-25 23:41:40
○ 2026-03-25 23:41:44

○A2a06:98c1:3121::2026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-25 23:41:40
○ 2026-03-25 23:41:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
doukua.com	hope.ns.cloudflare.com, marek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.202

NS records: hope.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doukua.com (unsigned zone)

⏱️ Timing

Total: 158ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.186.160, 104.21.56.136`
AAAA	2	`2606:4700:3036::6815:3888, 2606:4700:3037::ac43:baa0`
NS	2	`hope.ns.cloudflare.com, marek.ns.cloudflare.com`
TXT	1	`google-site-verification=83QPTMbT3WNkuT9`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hope.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

doukua.com is the parent of www.doukua.com.

IP Addresses

doukua.com points to four IP numbers: 2606:4700:3036::6815:3888, 2606:4700:3037::ac43:baa0, 104.21.56.136 and 172.67.186.160.

For instance, other host names www.terramaster.eu, www.glassven.com, (0x736578)maniak.ru, terramaster.eu and desurf.net share IP numbers with doukua.com.

Name Servers

doukua.com is delegated to two name servers: hope.ns.cloudflare.com and marek.ns.cloudflare.com.

doukua.com uses the same name server setup as other domains such as zhantiao.com, edumagic.eu, web-radio.nl, ayazsj.com and kalapa.org.

doukua.com shares name servers with other domains at least partially, for example zalukaj.app, eservicesnepal.com, teieothnqk.work, manualdecarros.com.br and dutawarta.id.

These name servers are commonly used with the name servers anuj.ns.cloudflare.com and darl.ns.cloudflare.com.

Host names with six IP numbers: host name hope.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa3, 2803:f800:50::6ca2:c0a3, 2a06:98c1:50::ac40:20a3, 108.162.192.163, 172.64.32.163 and 173.245.58.163; host name marek.ns.cloudflare.com points to: 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

doukua.com - robtex.com

doukua.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`doukua.com`

`com`