duotus.com - robtex.com

duotus.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a37e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3186🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.134Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.163.126🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbraelyn.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2661🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbraelyn.ns.cloudflare.com
A2803:f800:50::6ca2:c261🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbraelyn.ns.cloudflare.com
A2a06:98c1:50::ac40:2261🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbraelyn.ns.cloudflare.com
A108.162.194.97🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbraelyn.ns.cloudflare.com
A162.159.38.97Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbraelyn.ns.cloudflare.com
A172.64.34.97🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbraelyn.ns.cloudflare.com
NShouston.ns.cloudflare.com
A2606:4700:58::a29f:2c34🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A2803:f800:50::6ca2:c334🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhouston.ns.cloudflare.com
A2a06:98c1:50::ac40:2334🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhouston.ns.cloudflare.com
A108.162.195.52🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A162.159.44.52Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A172.64.35.52🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.49.134, 172.67.163.126
IPv62606:4700:3030::ac43:a37e, 2606:4700:3037::6815:3186
SOAbraelyn.ns.cloudflare.comdns@cloudflare.com serial=2399026339

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774556957

Same first word

duotus.com

Similar names

studuo.fr
studuo.com
sudotu.com
sutudo.com.vn

DNS History

12 records (6 active, 6 former)

2017201820192020202120222023202420252026NSbraelyn.ns.cloudflare.comhouston.ns.cloudflare.comns1.bdydns.cnns2.bdydns.cnA104.21.49.134172.67.163.1262606:4700:3030::ac43:a37e2606:4700:3037::6815:3186111.202.114.29111.202.114.30CNAMEduapp.n.shifen.comduotus.duapp.com
●NSbraelyn.ns.cloudflare.com2026-02-17 → 2026-03-26 · 3 obs
○ 2017-10-13 17:27:38
● 2026-02-17 06:08:36
● 2026-03-26 20:45:12
●NShouston.ns.cloudflare.com2026-02-17 → 2026-03-26 · 3 obs
○ 2017-10-13 17:27:38
● 2026-02-17 06:08:36
● 2026-03-26 20:45:12
○NSns1.bdydns.cn2016-12-20 → 2017-10-13 · 4 obs
● 2016-12-20 09:18:30
● 2017-10-13 17:27:38
○ 2026-02-17 06:08:36
○ 2026-03-26 20:45:12
○NSns2.bdydns.cn2016-12-20 → 2017-10-13 · 4 obs
● 2016-12-20 09:18:30
● 2017-10-13 17:27:38
○ 2026-02-17 06:08:36
○ 2026-03-26 20:45:12
●A104.21.49.1342026-02-17 → 2026-03-26 · 3 obs
○ 2017-10-13 17:27:38
● 2026-02-17 06:08:36
● 2026-03-26 20:45:12
○A111.202.114.292016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 09:18:30
○ 2017-10-13 17:27:38
○ 2026-03-26 20:45:12
○A111.202.114.302016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 09:18:30
○ 2017-10-13 17:27:38
○ 2026-03-26 20:45:12
●A172.67.163.1262026-02-17 → 2026-03-26 · 3 obs
○ 2017-10-13 17:27:38
● 2026-02-17 06:08:36
● 2026-03-26 20:45:12
●A2606:4700:3030::ac43:a37e2026-02-17 → 2026-03-26 · 3 obs
○ 2017-10-13 17:27:38
● 2026-02-17 06:08:36
● 2026-03-26 20:45:12
●A2606:4700:3037::6815:31862026-02-17 → 2026-03-26 · 3 obs
○ 2017-10-13 17:27:38
● 2026-02-17 06:08:36
● 2026-03-26 20:45:12
○CNAMEduapp.n.shifen.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 09:18:30
○ 2017-10-13 17:27:38
○ 2026-03-26 20:45:12
○CNAMEduotus.duapp.com2016-12-20 → 2026-02-17 · 4 obs
● 2016-12-20 09:18:30
● 2026-02-17 06:08:36
○ 2026-03-07 13:46:26
○ 2026-03-26 20:45:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
duotus.combraelyn.ns.cloudflare.com, houston.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.52

NS records: braelyn.ns.cloudflare.com, houston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duotus.com (unsigned zone)

⏱️ Timing

Total: 117ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.163.126, 104.21.49.134
AAAA22606:4700:3037::6815:3186, 2606:4700:3030::ac43:a37e
NS2braelyn.ns.cloudflare.com, houston.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1braelyn.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

duotus.com maps to four IP numbers: 2606:4700:3030::ac43:a37e, 2606:4700:3037::6815:3186, 104.21.49.134 and 172.67.163.126.

Other host names, for instance youturn.ca, wpfoss.com, zambrow.skarbowo.pl, mysittoos.com and (0x787878)algo.com share IP numbers with duotus.com.

Name Servers

Two name servers braelyn.ns.cloudflare.com and houston.ns.cloudflare.com handle delegation for duotus.com.

duotus.com uses the same name server setup as other domains, for example imjustanneke.com, tf2020.com, sherriphoto.com, 23baike.com and lihaizl.com.

duotus.com partially shares name servers with other domains; examples include durie.net, andinohotel.com, nortal.be, mengantar.com and superheng88.fun.

These name servers are commonly used with vicente.ns.cloudflare.com, hugh.ns.cloudflare.com and drake.ns.cloudflare.com.

Host names with six IP numbers: braelyn.ns.cloudflare.com points to: 2606:4700:50::a29f:2661, 2803:f800:50::6ca2:c261, 2a06:98c1:50::ac40:2261, 108.162.194.97, 162.159.38.97 and 172.64.34.97; houston.ns.cloudflare.com points to: 2606:4700:58::a29f:2c34, 2803:f800:50::6ca2:c334, 2a06:98c1:50::ac40:2334, 108.162.195.52, 162.159.44.52 and 172.64.35.52.