`otudou.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3159^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:bd6f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.89^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.111^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`derek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`derek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`derek.ns.cloudflare.com`
		A	108.162.193.154^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	172.64.33.154^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	173.245.59.154^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
NS	`kim.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kim.ns.cloudflare.com`
		A	108.162.192.126^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	172.64.32.126^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	173.245.58.126^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.49.89, 172.67.189.111
		IPv6	2606:4700:3033::6815:3159, 2606:4700:3033::ac43:bd6f
SOA	`derek.ns.cloudflare.com`dns@cloudflare.com serial=2395815199

`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=1774367522

Same first word

otudou.com

Similar names

uoutdo.com

tuudoo.com

todouu.com

doutou.info

tuudoo.us

doutou.net

toudou.com

duotuo.com

outduo.com

touduo.com

doutou.org

DNS History

20 records (6 active, 14 former)

●NSderek.ns.cloudflare.com2026-02-22 → 2026-03-24 · 3 obs

○ 2017-11-15 22:34:36
● 2026-02-22 14:36:24
● 2026-03-24 16:05:16

○NSdns.bizcn.com2015-10-08 → 2015-10-08 · 3 obs

● 2015-10-08 21:56:26
○ 2016-04-08 01:16:40
○ 2026-03-24 16:05:16

○NSf1g1ns1.dnspod.net2016-04-08 → 2016-04-08 · 4 obs

○ 2015-10-08 21:56:26
● 2016-04-08 01:16:40
○ 2017-11-15 22:34:36
○ 2026-03-24 16:05:16

○NSf1g1ns2.dnspod.net2016-04-08 → 2016-04-08 · 4 obs

○ 2015-10-08 21:56:26
● 2016-04-08 01:16:40
○ 2017-11-15 22:34:36
○ 2026-03-24 16:05:16

○NSjuming.dnsdun.com2017-11-15 → 2017-11-15 · 4 obs

○ 2016-04-08 01:16:40
● 2017-11-15 22:34:36
○ 2026-02-22 14:36:24
○ 2026-03-24 16:05:16

○NSjuming.dnsdun.net2017-11-15 → 2017-11-15 · 4 obs

○ 2016-04-08 01:16:40
● 2017-11-15 22:34:36
○ 2026-02-22 14:36:24
○ 2026-03-24 16:05:16

●NSkim.ns.cloudflare.com2026-02-22 → 2026-03-24 · 3 obs

○ 2017-11-15 22:34:36
● 2026-02-22 14:36:24
● 2026-03-24 16:05:16

○NSns1.4everdns.com2015-10-08 → 2015-10-08 · 3 obs

● 2015-10-08 21:56:26
○ 2016-04-08 01:16:40
○ 2026-03-24 16:05:16

○NSns2.4everdns.com2015-10-08 → 2015-10-08 · 3 obs

● 2015-10-08 21:56:26
○ 2016-04-08 01:16:40
○ 2026-03-24 16:05:16

○A103.232.215.1332016-01-19 → 2016-01-19 · 3 obs

● 2016-01-19 07:29:26
○ 2016-04-08 01:16:40
○ 2026-03-24 16:05:16

●A104.21.49.892026-02-22 → 2026-03-24 · 3 obs

○ 2017-11-15 22:34:36
● 2026-02-22 14:36:24
● 2026-03-24 16:05:16

○A123.60.173.1642017-11-15 → 2017-11-15 · 4 obs

○ 2016-04-08 01:16:40
● 2017-11-15 22:34:36
○ 2026-02-22 14:36:24
○ 2026-03-24 16:05:16

●A172.67.189.1112026-02-22 → 2026-03-24 · 3 obs

○ 2017-11-15 22:34:36
● 2026-02-22 14:36:24
● 2026-03-24 16:05:16

○A188.114.96.02026-02-22 → 2026-03-24 · 2 obs

○ 2026-02-22 14:36:24
○ 2026-03-24 16:05:16

○A188.114.97.02026-02-22 → 2026-03-24 · 2 obs

○ 2026-02-22 14:36:24
○ 2026-03-24 16:05:16

●A2606:4700:3033::6815:31592026-02-22 → 2026-03-24 · 3 obs

○ 2017-11-15 22:34:36
● 2026-02-22 14:36:24
● 2026-03-24 16:05:16

●A2606:4700:3033::ac43:bd6f2026-02-22 → 2026-03-24 · 3 obs

○ 2017-11-15 22:34:36
● 2026-02-22 14:36:24
● 2026-03-24 16:05:16

○A2a06:98c1:3120::2026-02-22 → 2026-03-24 · 2 obs

○ 2026-02-22 14:36:24
○ 2026-03-24 16:05:16

○A2a06:98c1:3121::2026-02-22 → 2026-03-24 · 2 obs

○ 2026-02-22 14:36:24
○ 2026-03-24 16:05:16

○A76.164.227.22016-04-08 → 2016-04-08 · 4 obs

○ 2016-01-19 07:29:26
● 2016-04-08 01:16:40
○ 2017-11-15 22:34:36
○ 2026-03-24 16:05:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
otudou.com	kim.ns.cloudflare.com, derek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.126

NS records: kim.ns.cloudflare.com, derek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for otudou.com (unsigned zone)

⏱️ Timing

Total: 183ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.49.89, 172.67.189.111`
AAAA	2	`2606:4700:3033::6815:3159, 2606:4700:3033::ac43:bd6f`
NS	2	`derek.ns.cloudflare.com, kim.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`derek.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

otudou.com refers to four IP numbers: 2606:4700:3033::6815:3159, 2606:4700:3033::ac43:bd6f, 104.21.49.89 and 172.67.189.111.

Other host names, for instance hairtattoo.com, quality-dent.com, knightsaccessories.com, teensaving.com and 88xx.de share IP numbers with otudou.com.

Name Servers

otudou.com's delegation uses two name servers: derek.ns.cloudflare.com and kim.ns.cloudflare.com.

otudou.com uses the same name server setup as other domains, such as 1pjf.com, 73ay.com, yntggs.com, sjguizu.com and 639jl96.cc.

otudou.com at least partially shares name servers with other domains, including kalyandevelopers.com, gedopay.com, punshtube.com, shuidajiao.com and starkong.net.

These name servers are commonly used with casey.ns.cloudflare.com, leif.ns.cloudflare.com and walt.ns.cloudflare.com.

Host names with six IP numbers:

derek.ns.cloudflare.com points to 2606:4700:58::adf5:3b9a, 2803:f800:50::6ca2:c19a, 2a06:98c1:50::ac40:219a, 108.162.193.154, 172.64.33.154 and 173.245.59.154.

kim.ns.cloudflare.com points to 2606:4700:50::adf5:3a7e, 2803:f800:50::6ca2:c07e, 2a06:98c1:50::ac40:207e, 108.162.192.126, 172.64.32.126 and 173.245.58.126.

otudou.com - robtex.com

otudou.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`otudou.com`

`com`