co.dev - dns.ninja

`co.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:273f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:a9b7^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.63^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.183^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`archer.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`archer.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c388^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`archer.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2388^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`archer.ns.cloudflare.com`
		A	108.162.195.136^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`archer.ns.cloudflare.com`
		A	162.159.44.136^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`archer.ns.cloudflare.com`
		A	172.64.35.136^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`archer.ns.cloudflare.com`
NS	`sharon.ns.cloudflare.com`
		A	2606:4700:50::adf5:3add^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sharon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sharon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sharon.ns.cloudflare.com`
		A	108.162.192.221^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sharon.ns.cloudflare.com`
		A	172.64.32.221^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sharon.ns.cloudflare.com`
		A	173.245.58.221^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sharon.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
MX	`plka46d653bni65c2z3rdggneoe52phevlqlu4lsf63teopddubq.mx-verification.google.com`⁽¹⁵⁾
TXT	`00299361`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.39.63, 172.67.169.183
		IPv6 hints	2606:4700:3032::6815:273f, 2606:4700:3032::ac43:a9b7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=207, name=cloudflare-ech.com
SOA	`archer.ns.cloudflare.com`dns@cloudflare.com serial=2405775900

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Subdomains

www.co.dev

api.co.dev

Same first word

co.gp

co.je

co.id

co.uy

co.technology

co.link

co.cc.ua

co.is

co.ly

co.legal

co.na

co.mu

co.site

co.cafe

co.mr

co.rs

co.myshopify.com

co.limited

co.casa

co.ing

co.place

co.s3-website.eu-central-1.amazonaws.com

co.cr

co.media

co.krakow.pl

co.sa.edu.au

co.tc

co.pn

co.support

co.ba

co.ph

co.com.cn

co.jp.net

co.bot

co.s3-eu-west-1.amazonaws.com

co.lc

co.global.prod.fastly.net

co.wiki

co.s3.dualstack.ap-southeast-1.amazonaws.com

co.dj

co.tm

co.weber

co.uz

co.dm

co.s3.us-east-2.amazonaws.com

co.biz

co.com.au

co.farm

co.fund

co.net.nz

co.ni

co.cologne

co.kr

co.tg

co.s3-website-us-west-2.amazonaws.com

co.nr

co.in.rs

co.amsterdam

co.s3-website.eu-west-2.amazonaws.com

co.kg

co.com.tw

co.cl

co.uk

co.in.ua

co.s3-website-ap-northeast-1.amazonaws.com

co.cv

co.gg

co.ltd

co.s3-website-eu-west-1.amazonaws.com

co.pl

co.ve

co.s3-website.ap-south-1.amazonaws.com

co.hl.cn

co.fo

co.lv

co.tz

co.vg

co.network

co.vet

co.ir

co.ee

co.kp

co.uk.net

co.dk

co.de

co.bydgoszcz.pl

co.mz

co.bn

co.ventures

co.jll

co.ro

co.com.mx

co.agency

co.bi

co.com

co.abbott

co.gov

co.style

co.cu

co.ws

Similar names

oc.com.sa

co.info

co.bet

co.eg

co.co.at

oc.education

co.nf

co.org

co.co.kr

oc.uk

co.mn

co.om

oc.com.tn

co.ax

co.ru

oc.io

co.sd

co.s3.amazonaws.com

co.com.ph

co.education

co.kz

co.cm

co.mg

co.bb

co.in

co.mk

oc.azurewebsites.net

oc.report

co.works

co.il

oc.network

co.tr

co.associates

co.s3-website.us-east-1.amazonaws.com

co.dev

oc.com.ar

oc.co.th

co.s3-ap-southeast-2.amazonaws.com

co.km

oc.com.tw

co.st

oc.de

oc.info.pl

co.page

co.games

co.su

co.s3-us-west-2.amazonaws.com

co.life

oc.eco.br

co.mw

co.sy

co.mp

oc.com.ua

oc.life

co.cc

co.lg.ua

co.hn

co.gl

co.td

co.ua

co.gt

oc.dental

co.s3-website-us-west-1.amazonaws.com

co.art.br

co.vi

co.ag

oc.lc

oc.tc

co.nu

co.gallery

co.zone

oc.biz

co.co.ua

co.s3-website.us-east-2.amazonaws.com

co.co.za

co.fi

oc.com.mx

co.ma

co.(0x787878)

co.insure

oc.com

co.s3-website-us-east-1.amazonaws.com

oc.cn

co.th

co.com.ar

oc.school.nz

co.no

co.events

co.bz

co.com.pl

co.pe

oc.pri.ee

co.pt

DNS History

16 records (12 active, 4 former)

●NSarcher.ns.cloudflare.com2026-02-14 → 2026-06-04 · 2 obs

● 2026-02-14 22:52:22
● 2026-06-04 01:17:46

●NSsharon.ns.cloudflare.com2026-02-14 → 2026-06-04 · 2 obs

● 2026-02-14 22:52:22
● 2026-06-04 01:17:46

●MXalt1.aspmx.l.google.com2026-02-14 → 2026-06-04 · 3 obs

○ 2016-12-13 11:37:20
● 2026-02-14 22:52:22
● 2026-06-04 01:17:46

●MXalt2.aspmx.l.google.com2026-02-14 → 2026-06-04 · 3 obs

○ 2016-12-13 11:37:20
● 2026-02-14 22:52:22
● 2026-06-04 01:17:46

●MXalt3.aspmx.l.google.com2026-02-14 → 2026-06-04 · 3 obs

○ 2016-12-13 11:37:20
● 2026-02-14 22:52:22
● 2026-06-04 01:17:46

●MXalt4.aspmx.l.google.com2026-02-14 → 2026-06-04 · 3 obs

○ 2016-12-13 11:37:20
● 2026-02-14 22:52:22
● 2026-06-04 01:17:46

●MXaspmx.l.google.com2026-02-14 → 2026-06-04 · 3 obs

○ 2016-12-13 11:37:20
● 2026-02-14 22:52:22
● 2026-06-04 01:17:46

●MXplka46d653bni65c2z3rdggneoe52phevlqlu4lsf63teopddubq.mx-verification.google.com2026-02-14 → 2026-06-04 · 3 obs

○ 2016-12-13 11:37:20
● 2026-02-14 22:52:22
● 2026-06-04 01:17:46

○MXyour-dns-needs-immediate-attention.dev2015-12-15 → 2016-12-13 · 4 obs

● 2015-12-15 10:58:20
● 2016-12-13 11:37:20
○ 2026-02-14 22:52:22
○ 2026-06-04 01:17:46

●A104.21.39.632026-02-14 → 2026-06-04 · 24 obs

○ 2016-12-13 11:37:20
● 2026-02-14 22:52:22
● 2026-02-21 07:44:02
○ 2026-02-21 15:39:52
● 2026-02-22 01:48:46
● 2026-02-23 03:40:34
○ 2026-02-23 10:34:34
● 2026-02-23 13:26:18
● 2026-02-27 20:27:20
○ 2026-02-28 12:18:52
● 2026-02-28 14:23:22
● 2026-02-28 16:38:48
○ 2026-02-28 22:14:48
● 2026-03-01 00:25:30
● 2026-03-02 10:27:54
○ 2026-03-02 12:38:18
● 2026-03-02 23:28:32
● 2026-03-15 03:11:40
○ 2026-03-15 18:15:32
● 2026-03-16 03:56:50
● 2026-03-19 18:58:26
○ 2026-03-19 21:19:44
● 2026-03-20 00:11:52
● 2026-06-04 01:17:46

○A127.0.53.532015-12-15 → 2016-12-13 · 4 obs

● 2015-12-15 10:58:20
● 2016-12-13 11:37:20
○ 2026-02-14 22:52:22
○ 2026-06-04 01:17:46

○A172.64.80.12026-02-21 → 2026-03-19 · 22 obs

○ 2026-02-21 07:44:02
● 2026-02-21 15:39:52
○ 2026-02-22 01:48:46
○ 2026-02-23 03:40:34
● 2026-02-23 10:34:34
○ 2026-02-23 13:26:18
○ 2026-02-27 20:27:20
● 2026-02-28 12:18:52
○ 2026-02-28 14:23:22
○ 2026-02-28 16:38:48
● 2026-02-28 22:14:48
○ 2026-03-01 00:25:30
○ 2026-03-02 10:27:54
● 2026-03-02 12:38:18
○ 2026-03-02 23:28:32
○ 2026-03-15 03:11:40
● 2026-03-15 18:15:32
○ 2026-03-16 03:56:50
○ 2026-03-19 18:58:26
● 2026-03-19 21:19:44
○ 2026-03-20 00:11:52
○ 2026-06-04 01:17:46

●A172.67.169.1832026-02-14 → 2026-06-04 · 24 obs

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-19 → 2026-03-19 · 19 obs

○ 2026-02-19 00:16:28
● 2026-02-19 03:29:18
○ 2026-02-19 06:58:54
○ 2026-02-21 07:44:02
● 2026-02-21 15:39:52
○ 2026-02-22 01:48:46
○ 2026-02-27 20:27:20
● 2026-02-28 12:18:52
○ 2026-02-28 14:23:22
● 2026-02-28 16:38:48
● 2026-02-28 22:14:48
○ 2026-03-01 00:25:30
○ 2026-03-12 10:38:26
● 2026-03-12 14:22:56
○ 2026-03-13 05:15:38
○ 2026-03-18 20:10:46
● 2026-03-19 04:29:50
○ 2026-03-19 05:36:28
○ 2026-06-04 01:17:46

●A2606:4700:3032::6815:273f2026-02-14 → 2026-06-04 · 21 obs

○ 2016-12-13 11:37:20
● 2026-02-14 22:52:22
● 2026-02-19 00:16:28
○ 2026-02-19 03:29:18
● 2026-02-19 06:58:54
● 2026-02-21 07:44:02
○ 2026-02-21 15:39:52
● 2026-02-22 01:48:46
● 2026-02-27 20:27:20
○ 2026-02-28 12:18:52
● 2026-02-28 14:23:22
○ 2026-02-28 16:38:48
○ 2026-02-28 22:14:48
● 2026-03-01 00:25:30
● 2026-03-12 10:38:26
○ 2026-03-12 14:22:56
● 2026-03-13 05:15:38
● 2026-03-18 20:10:46
○ 2026-03-19 04:29:50
● 2026-03-19 05:36:28
● 2026-06-04 01:17:46

●A2606:4700:3032::ac43:a9b72026-02-14 → 2026-06-04 · 21 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
co.dev	sharon.ns.cloudflare.com, archer.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.221

NS records: sharon.ns.cloudflare.com, archer.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for co.dev (unsigned zone)

⏱️ Timing

Total: 968ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.183, 104.21.39.63`
AAAA	2	`2606:4700:3032::ac43:a9b7, 2606:4700:3032::6815:273f`
NS	2	`archer.ns.cloudflare.com, sharon.ns.cloudflare.com`
MX	6	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`00299361, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`archer.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

co.dev serves as the parent of www.co.dev and api.co.dev.

IP Addresses

co.dev points to 4 IP addresses — 104.21.39.63, 172.67.169.183, 2606:4700:3032::6815:273f and 2606:4700:3032::ac43:a9b7.

404rr.com, www.pkzi.cn, contrastux.com plus two other host names have IP numbers in common with co.dev.

Name Servers

co.dev is delegated to two name servers: archer.ns.cloudflare.com and sharon.ns.cloudflare.com.

The name server configuration of co.dev is shared with other domains, for instance rschreur.nl, bdvenlinea-banvenez-valida.pages.dev, damanapp.in.net and two others.

co.dev has at least partial name server overlap with other domains, such as buscarparejaenusa.com, krypton-polska.net, yourblogpage.com and two others.

It is common to find these name servers paired with the name servers skip.ns.cloudflare.com.

Hosts with 6 IP addresses each:

archer.ns.cloudflare.com has IP addresses 108.162.195.136, 162.159.44.136, 172.64.35.136 plus three more.

sharon.ns.cloudflare.com has IP addresses 108.162.192.221, 172.64.32.221, 173.245.58.221 plus three more.

Mail Servers

co.dev is handled by 6 mail servers, aspmx.l.google.com, plka46d653bni65c2z3rdggneoe52phevlqlu4lsf63teopddubq.mx-verification.google.com, alt1.aspmx.l.google.com and three other.

At least some of the mail servers used by co.dev are shared with other domains: travelmasti.in, lademo.org, ns500734.ns500734.ns500734.ns500734.ns500699.ns500693.ns500699.ns500699.ns500699.ns500588.ns500612.ns500632.ns500578.ns500110.dtrkdll.com and two others among them.

It is common for these mail servers to be used in conjunction with mail servers alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and four others.

Host names pointing to two IP addresses:

aspmx.l.google.com points to 142.251.167.27 and 2607:f8b0:4004:c09::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 173.194.76.26 and 2a00:1450:400c:c00::1b.