dou.com - dns.ninja

`dou.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:8101^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:25a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.90^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.1^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
NS	`hera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hera.ns.cloudflare.com`
		A	108.162.192.162^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	172.64.32.162^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	173.245.58.162^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		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`⁽⁸⁴⁾
		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`
MX	`route3.mx.cloudflare.net`⁽⁹⁵⁾
		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`
TXT	`6d58c981304d5753172dac63fd37306d586d1ed6`
TXT	`ebd13095f3af77afb3398eb2bbcad612f51af2e9`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.90, 172.67.129.1
		IPv6 hints	2606:4700:3036::ac43:8101, 2606:4700:3037::6815:25a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=154, name=cloudflare-ech.com
SOA	`dan.ns.cloudflare.com`dns@cloudflare.com serial=2407865566

`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=1784122752

Same first word

dou.spb.ru

dou.in

dou.be

dou.it

dou.ru

dou.de

dou.net

dou.so

dou.gov.br

dou.co.kr

dou.su

dou.tw

dou.se

dou.li

dou.co.za

dou.com

dou.jp

dou.ch

dou.bz

dou.cc

dou.eu

dou.lu

dou.io

dou.dk

dou.cool

dou.top

dou.online

dou.info

dou.club

dou.pt

dou.at

dou.bt

dou.bet

dou.ma

dou.ir

dou.nl

dou.im

dou.com.br

dou.us

dou.ltd

dou.or.kr

dou.co

dou.net.cn

dou.red

dou.ac

dou.blue

dou.edu.ng

dou.one

dou.fr

dou.ua

dou.mobi

Similar names

duo.net.pl

duo.paris

uod.edu.do

oud.cc

odu.co.jp

duo.us.com

odu.edu.tr

uod.dk

udo.se

oud.sa

uod.at

uod.org

duo.de

duo.media

odu.ro

odu.com.vn

udo.co.uk

uod.be

oud.com

udo.photo

duo.com.ua

duo.social

duo.at

udo.education

duo.lt

duo.care

uod.me

udo.nl

oud.se

duo.fyi

duo.es

duo.international

odu.ch

duo.im

duo.ink

oud.fr

udo.jp

duo.com.au

odu.net

duo.sk

udo.edu

duo.money

uod.net

duo.me

oud.ro

duo.jobs

oud.gr

odu.io

duo.gl

udo.ca

oud.company

duo.no

uod.com

duo.io

uod.eu

duo.com.sg

odu.by

odu.org.uk

duo.boutique

duo.be

odu.vn

odu.se

udo.net.au

udo.edu.ve

udo.co.th

duo.lv

duo.pt

odu.eu

odu.dk

duo.my

duo.codes

udo.es

duo.support

duo.bg

uod.ac.in

oud.co

duo.af

uod.ch

duo.net

odu.edu.uy

duo.london

duo.cz

udo.com.mx

duo.world

duo.digital

odu.ca

udo.mobi

DNS History

22 records (9 active, 13 former)

●NSdan.ns.cloudflare.com2026-02-16 → 2026-07-15 · 3 obs

○ 2021-09-22 07:31:52
● 2026-02-16 04:56:16
● 2026-07-15 14:00:12

●NShera.ns.cloudflare.com2026-02-16 → 2026-07-15 · 3 obs

○ 2021-09-22 07:31:52
● 2026-02-16 04:56:16
● 2026-07-15 14:00:12

○NSns43.domaincontrol.com2015-08-26 → 2020-02-16 · 4 obs

● 2015-08-26 23:25:00
● 2020-02-16 02:49:06
○ 2021-09-22 07:31:52
○ 2026-07-15 14:00:12

○NSns44.domaincontrol.com2015-08-26 → 2020-02-16 · 4 obs

● 2015-08-26 23:25:00
● 2020-02-16 02:49:06
○ 2021-09-22 07:31:52
○ 2026-07-15 14:00:12

○NSns49.domaincontrol.com2021-09-22 → 2021-09-22 · 4 obs

○ 2020-02-16 02:49:06
● 2021-09-22 07:31:52
○ 2026-02-16 04:56:16
○ 2026-07-15 14:00:12

○NSns50.domaincontrol.com2021-09-22 → 2021-09-22 · 4 obs

○ 2020-02-16 02:49:06
● 2021-09-22 07:31:52
○ 2026-02-16 04:56:16
○ 2026-07-15 14:00:12

○MXmailstore1.secureserver.net2015-08-26 → 2020-02-16 · 4 obs

● 2015-08-26 23:25:00
● 2020-02-16 02:49:06
○ 2021-09-22 07:31:52
○ 2026-07-15 14:00:12

●MXroute1.mx.cloudflare.net2026-02-16 → 2026-07-15 · 3 obs

○ 2021-09-22 07:31:52
● 2026-02-16 04:56:16
● 2026-07-15 14:00:12

●MXroute2.mx.cloudflare.net2026-02-16 → 2026-07-15 · 3 obs

○ 2021-09-22 07:31:52
● 2026-02-16 04:56:16
● 2026-07-15 14:00:12

●MXroute3.mx.cloudflare.net2026-02-16 → 2026-07-15 · 3 obs

○ 2021-09-22 07:31:52
● 2026-02-16 04:56:16
● 2026-07-15 14:00:12

○MXsmtp.secureserver.net2015-08-26 → 2020-02-16 · 4 obs

● 2015-08-26 23:25:00
● 2020-02-16 02:49:06
○ 2021-09-22 07:31:52
○ 2026-07-15 14:00:12

●A104.21.2.902026-02-16 → 2026-07-15 · 16 obs

○ 2021-09-22 07:31:52
● 2026-02-16 04:56:16
● 2026-02-21 19:04:44
○ 2026-03-10 18:05:26
○ 2026-03-13 00:05:48
● 2026-03-27 09:07:02
● 2026-04-10 19:27:50
○ 2026-04-26 08:32:04
● 2026-05-05 12:55:06
○ 2026-05-06 04:54:20
○ 2026-05-28 03:51:54
● 2026-05-29 08:17:12
○ 2026-06-08 12:23:06
○ 2026-06-15 19:53:42
● 2026-07-14 09:44:06
● 2026-07-15 14:00:12

●A172.67.129.12026-02-16 → 2026-07-15 · 16 obs

○A184.168.221.612015-08-26 → 2020-02-16 · 4 obs

● 2015-08-26 23:25:00
● 2020-02-16 02:49:06
○ 2021-09-22 07:31:52
○ 2026-07-15 14:00:12

○A188.114.96.02026-03-10 → 2026-06-15 · 14 obs

○ 2026-02-21 19:04:44
● 2026-03-10 18:05:26
● 2026-03-13 00:05:48
○ 2026-03-27 09:07:02
○ 2026-04-10 19:27:50
● 2026-04-26 08:32:04
○ 2026-05-05 12:55:06
● 2026-05-06 04:54:20
● 2026-05-28 03:51:54
○ 2026-05-29 08:17:12
● 2026-06-08 12:23:06
● 2026-06-15 19:53:42
○ 2026-07-14 09:44:06
○ 2026-07-15 14:00:12

○A188.114.97.02026-03-10 → 2026-06-15 · 14 obs

○A2606:4700:3032::ac43:81012026-02-16 → 2026-05-29 · 14 obs

○A2606:4700:3033::6815:25a2026-02-16 → 2026-05-29 · 14 obs

●A2606:4700:3036::ac43:81012026-07-14 → 2026-07-15 · 3 obs

○ 2026-06-15 19:53:42
● 2026-07-14 09:44:06
● 2026-07-15 14:00:12

●A2606:4700:3037::6815:25a2026-07-14 → 2026-07-15 · 3 obs

○ 2026-06-15 19:53:42
● 2026-07-14 09:44:06
● 2026-07-15 14:00:12

○A2a06:98c1:3120::2026-03-10 → 2026-06-15 · 14 obs

○A2a06:98c1:3121::2026-03-10 → 2026-06-15 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...	-
dou.com	dan.ns.cloudflare.com, hera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.162

NS records: dan.ns.cloudflare.com, hera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dou.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.129.1, 104.21.2.90`
AAAA	2	`2606:4700:3037::6815:25a, 2606:4700:3036::ac43:8101`
NS	2	`dan.ns.cloudflare.com, hera.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 20), route2.mx.cloudflare.net (pri: 84)...`
TXT	3	`6d58c981304d5753172dac63fd37306d586d1ed6, ebd13095f3af77afb3398eb2bbcad612f51af2e9...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dan.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dou.com directs to four IP numbers, which are 104.21.2.90, 172.67.129.1, 2606:4700:3036::ac43:8101 and 2606:4700:3037::6815:25a.

Two other host names, along with hotelatlantic.com.ar, mail2.knippel.dk and bestmassage-chair.com, also share IP numbers with dou.com.

Name Servers

dou.com is served by two delegated name servers, dan.ns.cloudflare.com and hera.ns.cloudflare.com.

dou.com shares its NS records with other domains, for example pharmazon.fr, c303.pw, threefolddirectory.com and two others.

At least some of dou.com's name servers are shared with other domains, for example investingrocks.com, lpxhbj.com, slot888-live.com and two more.

These name servers tend to be used in conjunction with the name servers bart.ns.cloudflare.com.

DNS names with 6 IP addresses:

dan.ns.cloudflare.com carries IP addresses 108.162.193.108, 172.64.33.108 and 173.245.59.108, with 3 other addresses beyond those.

hera.ns.cloudflare.com carries IP addresses 108.162.192.162, 172.64.32.162 and 173.245.58.162, with 3 other addresses beyond those.

Mail Servers

The MX records for dou.com list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between dou.com and other domains, including vugar.app, stilevalentina.com, in26.cn and two others.

DNS names with 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.