2du.co - robtex.com

2du.co

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:c68🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8410🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.104Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.16🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnico.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c93🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnico.ns.cloudflare.com
A2803:f800:50::6ca2:c393🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnico.ns.cloudflare.com
A2a06:98c1:50::ac40:2393🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnico.ns.cloudflare.com
A108.162.195.147🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnico.ns.cloudflare.com
A162.159.44.147Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnico.ns.cloudflare.com
A172.64.35.147🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnico.ns.cloudflare.com
NSrobin.ns.cloudflare.com
A2606:4700:50::adf5:3ada🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
A2803:f800:50::6ca2:c0da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrobin.ns.cloudflare.com
A2a06:98c1:50::ac40:20da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrobin.ns.cloudflare.com
A108.162.192.218🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
A172.64.32.218🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
A173.245.58.218🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
TXTmandrill_verify.XsmqF5go9NtpkIh5N5Sh3A
TXTv=spf1 include:spf.mandrillapp.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.12.104, 172.67.132.16
IPv62606:4700:3030::6815:c68, 2606:4700:3035::ac43:8410
SOAnico.ns.cloudflare.comdns@cloudflare.com serial=2398470128

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759615358

Same first word

2du.net
2du.dk
2du.ca
2du.ru
2du.co
2du.us
2du.it
2du.mobi
2du.tv
2du.media
2du.de
2du.in
2du.com
2du.com.au
2du.org
2du.com.mx
2du.pl

Similar names

u2d.eu
ud2.com
du2.com
d2u.in
d2u.com.br
d2u.com
d2u.sk
u2d.co.kr
d2u.ru
u2d.be
2ud.com
d2u.club
du2.net
d2u.pl
ud2.org
du2.de
d2u.it
u2d.biz
u2d.lv
ud2.es
d2u.us
u2d.com
du2.top
u2d.top
u2d.de
u2d.info
d2u.com.au
d2u.eu
du2.co
d2u.xyz
u2d.net
du2.org
d2u.dk
d2u.info
du2.ru
d2u.de
ud2.ca
2ud.cn
d2u.net
du2.cn
2ud.biz
ud2.net
du2.cc
ud2.ru
u2d.com.au
u2d.ru

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSnico.ns.cloudflare.comrobin.ns.cloudflare.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comA104.21.12.104172.67.132.162606:4700:3030::6815:c682606:4700:3035::ac43:841098.124.198.198.124.199.198.124.199.32
○NSdns1.name-services.com2015-08-03 → 2020-11-01 · 3 obs
● 2015-08-03 20:13:34
● 2020-11-01 01:03:14
○ 2026-03-23 04:13:46
○NSdns2.name-services.com2015-08-03 → 2020-11-01 · 3 obs
● 2015-08-03 20:13:34
● 2020-11-01 01:03:14
○ 2026-03-23 04:13:46
○NSdns3.name-services.com2015-08-03 → 2020-11-01 · 3 obs
● 2015-08-03 20:13:34
● 2020-11-01 01:03:14
○ 2026-03-23 04:13:46
○NSdns4.name-services.com2015-08-03 → 2020-11-01 · 3 obs
● 2015-08-03 20:13:34
● 2020-11-01 01:03:14
○ 2026-03-23 04:13:46
○NSdns5.name-services.com2015-08-03 → 2020-11-01 · 3 obs
● 2015-08-03 20:13:34
● 2020-11-01 01:03:14
○ 2026-03-23 04:13:46
●NSnico.ns.cloudflare.com2026-03-23 → 2026-03-23 · 2 obs
○ 2020-11-01 01:03:14
● 2026-03-23 04:13:46
●NSrobin.ns.cloudflare.com2026-03-23 → 2026-03-23 · 2 obs
○ 2020-11-01 01:03:14
● 2026-03-23 04:13:46
●A104.21.12.1042026-03-23 → 2026-03-23 · 2 obs
○ 2020-11-01 01:03:14
● 2026-03-23 04:13:46
●A172.67.132.162026-03-23 → 2026-03-23 · 2 obs
○ 2020-11-01 01:03:14
● 2026-03-23 04:13:46
●A2606:4700:3030::6815:c682026-03-23 → 2026-03-23 · 2 obs
○ 2020-11-01 01:03:14
● 2026-03-23 04:13:46
●A2606:4700:3035::ac43:84102026-03-23 → 2026-03-23 · 2 obs
○ 2020-11-01 01:03:14
● 2026-03-23 04:13:46
○A98.124.198.12015-08-03 → 2015-08-03 · 2 obs
● 2015-08-03 20:13:34
○ 2026-03-23 04:13:46
○A98.124.199.12015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 20:13:34
○ 2015-11-25 02:15:48
○ 2026-03-23 04:13:46
○A98.124.199.322015-11-25 → 2020-11-01 · 4 obs
○ 2015-08-03 20:13:34
● 2015-11-25 02:15:48
● 2020-11-01 01:03:14
○ 2026-03-23 04:13:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
2du.corobin.ns.cloudflare.com, nico.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.218

NS records: robin.ns.cloudflare.com, nico.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2du.co (unsigned zone)

⏱️ Timing

Total: 490ms | Queries: -

📄 Records

TypeCountSample Data
A1172.64.80.1
AAAA22606:4700:3030::6815:c68, 2606:4700:3035::ac43:8410
NS2nico.ns.cloudflare.com, robin.ns.cloudflare.com
TXT2mandrill_verify.XsmqF5go9NtpkIh5N5Sh3A, v=spf1 include:spf.mandrillapp.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1nico.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

2du.co maps to four IP numbers: 2606:4700:3030::6815:c68, 2606:4700:3035::ac43:8410, 104.21.12.104 and 172.67.132.16.

Other host names, for instance www.knyguklubas.lt, www.ideac.com.mx, www.smittskyddsinstitutet.se, www.innovationinbusiness.com and sellbuybeats.com share IP numbers with 2du.co.

Name Servers

Two name servers nico.ns.cloudflare.com and robin.ns.cloudflare.com handle delegation for 2du.co.

2du.co uses the same name server setup as other domains, for example werbweb.com, inane.info, sendell.com, 0xtracker.app and steppinoutadventures.com.

2du.co partially shares name servers with other domains; examples include fotoochota.waw.pl, pasastesintagkvu.cfd, chutedd.irish, tasana.ru and doubler.cc.

These name servers are commonly used with destiny.ns.cloudflare.com, julissa.ns.cloudflare.com and sandra.ns.cloudflare.com.

Host names with six IP numbers: nico.ns.cloudflare.com points to: 2606:4700:58::a29f:2c93, 2803:f800:50::6ca2:c393, 2a06:98c1:50::ac40:2393, 108.162.195.147, 162.159.44.147 and 172.64.35.147; robin.ns.cloudflare.com points to: 2606:4700:50::adf5:3ada, 2803:f800:50::6ca2:c0da, 2a06:98c1:50::ac40:20da, 108.162.192.218, 172.64.32.218 and 173.245.58.218.