`duo.computer`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c6f8^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:44db^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.219^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.248^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fish.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26fc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fish.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fish.ns.cloudflare.com`
		A	108.162.194.252^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	162.159.38.252^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	172.64.34.252^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
NS	`yahir.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c22^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yahir.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c322^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yahir.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2322^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yahir.ns.cloudflare.com`
		A	108.162.195.34^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yahir.ns.cloudflare.com`
		A	162.159.44.34^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yahir.ns.cloudflare.com`
		A	172.64.35.34^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yahir.ns.cloudflare.com`
MX	`_dc-mx.237d2675ff2e.duo.computer` ⭐
TXT	`v=spf1 +a +mx +ip4:83.149.71.84 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.68.219, 172.67.198.248
		IPv6 hints	2606:4700:3031::ac43:c6f8, 2606:4700:3032::6815:44db
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOA	`fish.ns.cloudflare.com`dns@cloudflare.com serial=2403219891

`computer`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.computer` ⭐
	NS	`v0n1.nic.computer`
	NS	`v0n2.nic.computer`
	NS	`v0n3.nic.computer`
	NS	`v2n0.nic.computer`
	NS	`v2n1.nic.computer`
	SOA	`v0n0.nic.computer`hostmaster@donuts.email serial=1778339457

Same first word

duo.com.br

duo.ge

duo.click

duo.engineering

duo.(0x706f726e)

duo.krakow.pl

duo.cc

duo.dk

duo.fi

duo.sale

duo.haus

duo.gmbh

duo.su

duo.team

duo.bet

duo.computer

duo.ne.jp

duo.ru

duo.vg

duo.co.nz

duo.guru

duo.systems

duo.vn

duo.life

duo.co.kr

duo.agency

duo.blue

duo.pr

duo.chat

duo.it

duo.net.pl

duo.us.com

duo.de

duo.media

duo.com.ua

duo.social

duo.at

duo.lt

duo.care

duo.fyi

duo.es

duo.international

duo.im

duo.ink

duo.com.au

duo.sk

duo.money

duo.me

duo.jobs

duo.gl

duo.no

duo.io

duo.com.sg

duo.boutique

duo.be

duo.lv

duo.pt

duo.my

duo.codes

duo.waw.pl

duo.support

duo.bg

duo.af

duo.net

duo.london

duo.cz

duo.world

duo.digital

duo.com.ar

duo.nl

duo.jp

duo.sh

duo.net.nz

duo.ro

duo.mx

duo.rs

duo.com.mx

duo.la

duo.holdings

duo.com

duo.sc

duo.cafe

duo.coach

duo.co.uk

duo.org

Similar names

dou.net

dou.so

udo.city

dou.gov.br

odu.no

uod.de

oud.dk

dou.co.kr

oud.ai

dou.su

udo.sk

dou.tw

dou.se

dou.li

udo.co.kr

dou.co.za

odu.ru

dou.com

odu.com.cn

odu.lt

uod.co.uk

uod.se

udo.at

udo.biz

udo.ro

dou.jp

dou.ch

dou.bz

oud.cn

odu.pl

oud.mobi

dou.cc

oud.net

uod.io

dou.eu

udo.co

dou.lu

oud.co.jp

dou.io

udo.be

udo.life

odu.kiev.ua

dou.dk

oud.at

udo.me

odu.be

dou.cool

dou.top

dou.online

udo.fr

uod.edu.do

oud.cc

odu.edu.tr

uod.dk

udo.se

oud.sa

dou.info

uod.at

uod.org

odu.ro

odu.com.vn

udo.co.uk

uod.be

oud.com

udo.photo

udo.education

DNS History

24 records (7 active, 17 former)

●NSfish.ns.cloudflare.com2026-02-15 → 2026-05-09 · 3 obs

○ 2017-04-09 05:55:54
● 2026-02-15 19:59:52
● 2026-05-09 16:08:20

○NSkami.ns.cloudflare.com2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○NSterin.ns.cloudflare.com2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

●NSyahir.ns.cloudflare.com2026-02-15 → 2026-05-09 · 3 obs

○ 2017-04-09 05:55:54
● 2026-02-15 19:59:52
● 2026-05-09 16:08:20

●MX_dc-mx.237d2675ff2e.duo.computer2026-02-15 → 2026-05-09 · 3 obs

○ 2017-04-09 05:55:54
● 2026-02-15 19:59:52
● 2026-05-09 16:08:20

○MXalt1.aspmx.l.google.com2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○MXalt2.aspmx.l.google.com2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○MXaspmx.l.google.com2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○MXaspmx2.googlemail.com2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○MXaspmx3.googlemail.com2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

●A104.21.68.2192026-02-15 → 2026-05-09 · 9 obs

○ 2017-04-09 05:55:54
● 2026-02-15 19:59:52
● 2026-02-18 19:15:18
○ 2026-02-18 20:21:22
● 2026-03-20 10:54:20
● 2026-03-22 05:44:08
○ 2026-04-05 06:48:38
● 2026-04-17 11:24:42
● 2026-05-09 16:08:20

○A104.28.4.132017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○A104.28.5.132017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○A172.64.80.12026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 19:15:18
● 2026-02-18 20:21:22
○ 2026-03-20 10:54:20
○ 2026-05-09 16:08:20

●A172.67.198.2482026-02-15 → 2026-05-09 · 9 obs

○A188.114.96.02026-04-05 → 2026-04-05 · 4 obs

○ 2026-03-22 05:44:08
● 2026-04-05 06:48:38
○ 2026-04-17 11:24:42
○ 2026-05-09 16:08:20

○A188.114.97.02026-04-05 → 2026-04-05 · 4 obs

○ 2026-03-22 05:44:08
● 2026-04-05 06:48:38
○ 2026-04-17 11:24:42
○ 2026-05-09 16:08:20

○A2400:cb00:2048:1::681c:40d2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○A2400:cb00:2048:1::681c:50d2017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-05-09 16:08:20

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 19:15:18
● 2026-02-18 20:21:22
○ 2026-03-20 10:54:20
○ 2026-05-09 16:08:20

●A2606:4700:3031::ac43:c6f82026-02-15 → 2026-05-09 · 9 obs

●A2606:4700:3032::6815:44db2026-02-15 → 2026-05-09 · 9 obs

○A2a06:98c1:3120::2026-04-05 → 2026-04-05 · 4 obs

○ 2026-03-22 05:44:08
● 2026-04-05 06:48:38
○ 2026-04-17 11:24:42
○ 2026-05-09 16:08:20

○A2a06:98c1:3121::2026-04-05 → 2026-04-05 · 4 obs

○ 2026-03-22 05:44:08
● 2026-04-05 06:48:38
○ 2026-04-17 11:24:42
○ 2026-05-09 16:08:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
computer	v0n0.nic.computer, v0n1.nic.computer, v0n2.nic.computer, v0n3.nic.computer...	12 records
duo.computer	yahir.ns.cloudflare.com, fish.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.34

NS records: yahir.ns.cloudflare.com, fish.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duo.computer (unsigned zone)

⏱️ Timing

Total: 571ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.68.219, 172.67.198.248`
AAAA	2	`2606:4700:3031::ac43:c6f8, 2606:4700:3032::6815:44db`
NS	2	`fish.ns.cloudflare.com, yahir.ns.cloudflare.com`
MX	1	`_dc-mx.237d2675ff2e.duo.computer (pri: 0`
TXT	1	`v=spf1 +a +mx +ip4:83.149.71.84 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fish.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.computer, v0n1.nic.computer, v0n2.nic.computer...)

Analysis

IP Addresses

duo.computer maps to four IP numbers: 2606:4700:3031::ac43:c6f8, 2606:4700:3032::6815:44db, 104.21.68.219 and 172.67.198.248.

Other host names, for instance just-do-buy.ai-cryptolist.net, camino-network.ai-cryptolist.net, mineblue.ai-cryptolist.net, crazy-frog-ethereum.ai-cryptolist.net and cheeseball.ai-cryptolist.net share IP numbers with duo.computer.

Name Servers

Two name servers fish.ns.cloudflare.com and yahir.ns.cloudflare.com are delegated to duo.computer.

duo.computer uses the same name server configuration as other domains, such as ramblingnewbie.com, kamkardrop.com, qrsfx.com, qrsfx.net and nicobautista.com.

duo.computer at least partially shares name servers with other domains such as senna4d540.com, oradonna.com, enerzam.com, pratt.im and erkendmatras.nl.

These name servers are commonly used alongside gabe.ns.cloudflare.com, eve.ns.cloudflare.com and coleman.ns.cloudflare.com.

Host names with six IP numbers: Host name fish.ns.cloudflare.com points to 2606:4700:50::a29f:26fc, 2803:f800:50::6ca2:c2fc, 2a06:98c1:50::ac40:22fc, 108.162.194.252, 162.159.38.252 and 172.64.34.252; host name yahir.ns.cloudflare.com points to 2606:4700:58::a29f:2c22, 2803:f800:50::6ca2:c322, 2a06:98c1:50::ac40:2322, 108.162.195.34, 162.159.44.34 and 172.64.35.34.

Mail Servers

duo.computer is handled by a single mail server, _dc-mx.237d2675ff2e.duo.computer.

duo.computer - robtex.com

duo.computer

computer

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

Mail Servers

`duo.computer`

`computer`