duo.computer - dns.ninja

`duo.computer`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:44db^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:c6f8^{🇺🇸 Cloudflare2606:4700:3033::/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	2606:4700:3033::6815:44db, 2606:4700:3033::ac43:c6f8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`fish.ns.cloudflare.com`dns@cloudflare.com serial=2408318622

`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=1784310277

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

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duo.ne.jp

duo.ru

duo.vg

duo.co.nz

duo.guru

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duo.vn

duo.life

duo.co.kr

duo.agency

duo.blue

duo.pr

duo.chat

duo.it

duo.net.pl

duo.paris

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.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.tv

duo.mx

duo.rs

duo.com.mx

duo.la

duo.holdings

duo.com

duo.sc

duo.cafe

duo.coach

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

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udo.co.kr

udo.pl

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.co.jp

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

DNS History

26 records (7 active, 19 former)

●NSfish.ns.cloudflare.com2026-02-15 → 2026-07-17 · 3 obs

○ 2017-04-09 05:55:54
● 2026-02-15 19:59:52
● 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

●NSyahir.ns.cloudflare.com2026-02-15 → 2026-07-17 · 3 obs

○ 2017-04-09 05:55:54
● 2026-02-15 19:59:52
● 2026-07-17 17:56:12

●MX_dc-mx.237d2675ff2e.duo.computer2026-02-15 → 2026-07-17 · 3 obs

○ 2017-04-09 05:55:54
● 2026-02-15 19:59:52
● 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

●A104.21.68.2192026-02-15 → 2026-07-17 · 18 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
● 2026-05-14 04:51:38
○ 2026-05-14 12:22:52
● 2026-05-14 19:29:14
● 2026-05-23 13:00:28
○ 2026-05-27 11:55:30
● 2026-05-29 14:34:10
● 2026-06-12 09:35:20
○ 2026-06-24 14:07:36
● 2026-06-29 14:23:22
● 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

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

● 2017-04-09 05:55:54
○ 2026-02-15 19:59:52
○ 2026-07-17 17:56:12

○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
○ 2026-07-17 17:56:12

●A172.67.198.2482026-02-15 → 2026-07-17 · 18 obs

○A188.114.96.02026-04-05 → 2026-06-24 · 13 obs

○ 2026-03-22 05:44:08
● 2026-04-05 06:48:38
○ 2026-04-17 11:24:42
○ 2026-05-14 04:51:38
● 2026-05-14 12:22:52
○ 2026-05-14 19:29:14
○ 2026-05-23 13:00:28
● 2026-05-27 11:55:30
○ 2026-05-29 14:34:10
○ 2026-06-12 09:35:20
● 2026-06-24 14:07:36
○ 2026-06-29 14:23:22
○ 2026-07-17 17:56:12

○A188.114.97.02026-04-05 → 2026-06-24 · 13 obs

○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
○ 2026-07-17 17:56:12

○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
○ 2026-07-17 17:56:12

○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
○ 2026-07-17 17:56:12

○A2606:4700:3031::ac43:c6f82026-02-15 → 2026-06-12 · 14 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
● 2026-05-23 13:00:28
○ 2026-05-27 11:55:30
● 2026-05-29 14:34:10
● 2026-06-12 09:35:20
○ 2026-06-24 14:07:36
○ 2026-07-17 17:56:12

○A2606:4700:3032::6815:44db2026-02-15 → 2026-06-12 · 14 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
● 2026-05-23 13:00:28
○ 2026-05-27 11:55:30
● 2026-05-29 14:34:10
● 2026-06-12 09:35:20
○ 2026-06-24 14:07:36
○ 2026-07-17 17:56:12

●A2606:4700:3033::6815:44db2026-06-29 → 2026-07-17 · 3 obs

○ 2026-06-24 14:07:36
● 2026-06-29 14:23:22
● 2026-07-17 17:56:12

●A2606:4700:3033::ac43:c6f82026-06-29 → 2026-07-17 · 3 obs

○ 2026-06-24 14:07:36
● 2026-06-29 14:23:22
● 2026-07-17 17:56:12

○A2a06:98c1:3120::2026-04-05 → 2026-06-24 · 10 obs

○ 2026-03-22 05:44:08
● 2026-04-05 06:48:38
○ 2026-04-17 11:24:42
○ 2026-05-23 13:00:28
● 2026-05-27 11:55:30
○ 2026-05-29 14:34:10
○ 2026-06-12 09:35:20
● 2026-06-24 14:07:36
○ 2026-06-29 14:23:22
○ 2026-07-17 17:56:12

○A2a06:98c1:3121::2026-04-05 → 2026-06-24 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
computer	v0n2.nic.computer, v0n0.nic.computer, v2n0.nic.computer, v0n3.nic.computer...	12 records
duo.computer	yahir.ns.cloudflare.com, fish.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.252

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: 899ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.198.248, 104.21.68.219`
AAAA	2	`2606:4700:3033::6815:44db, 2606:4700:3033::ac43:c6f8`
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 (v0n2.nic.computer, v0n2.nic.computer, v0n0.nic.computer...)

Analysis

IP Addresses

duo.computer resolves to four IP addresses: 104.21.68.219, 172.67.198.248, 2606:4700:3033::6815:44db and 2606:4700:3033::ac43:c6f8.

just-do-buy.ai-cryptolist.net, malvasia.biz, camino-network.ai-cryptolist.net plus two other host names have IP numbers in common with duo.computer.

Name Servers

duo.computer is delegated to two name servers: fish.ns.cloudflare.com and yahir.ns.cloudflare.com.

The name server configuration of duo.computer is shared with other domains, for instance ramblingnewbie.com, kamkardrop.com, qrsfx.com and two others.

duo.computer has at least partial name server overlap with other domains, such as senna4d540.com, oradonna.com, enerzam.com and two others.

These name servers tend to appear together with the name servers gabe.ns.cloudflare.com, nikon.ns.cloudflare.com and malcolm.ns.cloudflare.com, plus two others.

Hosts with 6 IP addresses each:

fish.ns.cloudflare.com resolves to 108.162.194.252, 162.159.38.252, 172.64.34.252 and 3 other IP addresses.

yahir.ns.cloudflare.com resolves to 108.162.195.34, 162.159.44.34, 172.64.35.34 and 3 other IP addresses.

Mail Servers

duo.computer uses one mail server — _dc-mx.237d2675ff2e.duo.computer.