dou18.com - dns.ninja

`dou18.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:3f1a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8e93^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.26^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.147^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kate.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kate.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kate.ns.cloudflare.com`
		A	108.162.192.124^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	172.64.32.124^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	173.245.58.124^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
NS	`major.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`major.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`major.ns.cloudflare.com`
		A	108.162.193.241^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	172.64.33.241^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	173.245.59.241^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.26, 172.67.142.147
		IPv6 hints	2606:4700:3035::6815:3f1a, 2606:4700:3035::ac43:8e93
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=133, name=cloudflare-ech.com
SOA	`kate.ns.cloudflare.com`dns@cloudflare.com serial=2407287197

`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=1783675577

Subdomains

www.dou18.com

Same first word

dou18.com

Similar names

dou81.ru

1dou8.com

18dou.jp

DNS History

17 records (6 active, 11 former)

○NSdns10.hichina.com2015-07-17 → 2015-11-21 · 4 obs

● 2015-07-17 20:25:34
● 2015-11-21 01:09:52
○ 2016-03-21 10:20:34
○ 2026-07-10 09:27:54

○NSdns9.hichina.com2015-07-17 → 2015-11-21 · 4 obs

● 2015-07-17 20:25:34
● 2015-11-21 01:09:52
○ 2016-03-21 10:20:34
○ 2026-07-10 09:27:54

○NSexpirens3.hichina.com2016-03-21 → 2017-02-20 · 5 obs

○ 2015-11-21 01:09:52
● 2016-03-21 10:20:34
● 2017-02-20 00:43:28
○ 2020-01-13 16:33:28
○ 2026-07-10 09:27:54

○NSexpirens4.hichina.com2016-03-21 → 2017-02-20 · 5 obs

○ 2015-11-21 01:09:52
● 2016-03-21 10:20:34
● 2017-02-20 00:43:28
○ 2020-01-13 16:33:28
○ 2026-07-10 09:27:54

○NSjuming.dnsdun.com2020-01-13 → 2020-01-13 · 4 obs

○ 2017-02-20 00:43:28
● 2020-01-13 16:33:28
○ 2026-04-03 14:42:48
○ 2026-07-10 09:27:54

○NSjuming.dnsdun.net2020-01-13 → 2020-01-13 · 4 obs

○ 2017-02-20 00:43:28
● 2020-01-13 16:33:28
○ 2026-04-03 14:42:48
○ 2026-07-10 09:27:54

●NSkate.ns.cloudflare.com2026-04-03 → 2026-07-10 · 3 obs

○ 2020-01-13 16:33:28
● 2026-04-03 14:42:48
● 2026-07-10 09:27:54

●NSmajor.ns.cloudflare.com2026-04-03 → 2026-07-10 · 3 obs

○ 2020-01-13 16:33:28
● 2026-04-03 14:42:48
● 2026-07-10 09:27:54

●A104.21.63.262026-04-03 → 2026-07-10 · 3 obs

○ 2020-01-13 16:33:28
● 2026-04-03 14:42:48
● 2026-07-10 09:27:54

○A120.26.216.1762015-07-17 → 2015-11-21 · 4 obs

● 2015-07-17 20:25:34
● 2015-11-21 01:09:52
○ 2016-03-21 10:20:34
○ 2026-07-10 09:27:54

○A154.80.133.1252020-01-13 → 2020-01-13 · 4 obs

○ 2017-02-20 00:43:28
● 2020-01-13 16:33:28
○ 2026-04-03 14:42:48
○ 2026-07-10 09:27:54

●A172.67.142.1472026-04-03 → 2026-07-10 · 3 obs

○ 2020-01-13 16:33:28
● 2026-04-03 14:42:48
● 2026-07-10 09:27:54

●A2606:4700:3035::6815:3f1a2026-07-01 → 2026-07-10 · 3 obs

○ 2026-06-08 08:09:50
● 2026-07-01 22:22:16
● 2026-07-10 09:27:54

●A2606:4700:3035::ac43:8e932026-07-01 → 2026-07-10 · 3 obs

○ 2026-06-08 08:09:50
● 2026-07-01 22:22:16
● 2026-07-10 09:27:54

○A2606:4700:3036::ac43:8e932026-04-03 → 2026-06-08 · 5 obs

○ 2020-01-13 16:33:28
● 2026-04-03 14:42:48
● 2026-06-08 08:09:50
○ 2026-07-01 22:22:16
○ 2026-07-10 09:27:54

○A2606:4700:3037::6815:3f1a2026-04-03 → 2026-06-08 · 5 obs

○ 2020-01-13 16:33:28
● 2026-04-03 14:42:48
● 2026-06-08 08:09:50
○ 2026-07-01 22:22:16
○ 2026-07-10 09:27:54

○A42.120.158.782016-03-21 → 2017-02-20 · 5 obs

○ 2015-11-21 01:09:52
● 2016-03-21 10:20:34
● 2017-02-20 00:43:28
○ 2020-01-13 16:33:28
○ 2026-07-10 09:27:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...	-
dou18.com	kate.ns.cloudflare.com, major.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.124

NS records: kate.ns.cloudflare.com, major.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dou18.com (unsigned zone)

⏱️ Timing

Total: 722ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.63.26, 172.67.142.147`
AAAA	2	`2606:4700:3035::6815:3f1a, 2606:4700:3035::ac43:8e93`
NS	2	`kate.ns.cloudflare.com, major.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kate.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.dou18.com is a subdomain of dou18.com.

IP Addresses

dou18.com directs to four IP numbers, which are 104.21.63.26, 172.67.142.147, 2606:4700:3035::6815:3f1a and 2606:4700:3035::ac43:8e93.

shanghai-uv.com, adlog.fineproxy.ru, jazzfm.net plus two other host names have IP numbers in common with dou18.com.

Name Servers

dou18.com is served by two delegated name servers, kate.ns.cloudflare.com and major.ns.cloudflare.com.

The name server configuration of dou18.com is shared with other domains, for instance haofaduo.com, hbdrc.com, ideapo.com and two others.

The name servers of dou18.com overlap at least partially with those of other domains — among them ttihub.com, venkotech.com, grafisk-litteratur.dk and two more.

These name servers commonly appear alongside the name servers dora.ns.cloudflare.com and mitchell.ns.cloudflare.com.

Hosts with 6 IP addresses each:

kate.ns.cloudflare.com carries IP addresses 108.162.192.124, 172.64.32.124 and 173.245.58.124, with 3 other addresses beyond those.

major.ns.cloudflare.com carries IP addresses 108.162.193.241, 172.64.33.241 and 173.245.59.241, with 3 other addresses beyond those.