tech.dev - dns.ninja

`tech.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:94ce^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4fd4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.212^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.206^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jean.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c079^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2079^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jean.ns.cloudflare.com`
		A	108.162.192.121^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	172.64.32.121^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	173.245.58.121^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
NS	`kevin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bbf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1bf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kevin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21bf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kevin.ns.cloudflare.com`
		A	108.162.193.191^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	172.64.33.191^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	173.245.59.191^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽²³⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁶⁰⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`afternic-verification-fEnUjLYTwPW3G3Vk8eYQwv`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.212, 172.67.148.206
		IPv6 hints	2606:4700:3030::ac43:94ce, 2606:4700:3037::6815:4fd4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com
SOA	`jean.ns.cloudflare.com`dns@cloudflare.com serial=2402621407

`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)

Same first word

tech.imb.br

tech.bz

tech.ie

tech.wales

tech.co.uk

tech.win

tech.etc.br

tech.com.sa

tech.co

tech.plus

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tech

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tech.science

tech.hu

tech.ruhr

tech.cr

tech.cz

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tech.world

tech.gov.sg

tech.org.ua

tech.mk

tech.yokohama

tech.ac.jp

tech.co.th

tech.lgbt

tech.earth

tech.lu

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

tech.cn

tech.pro

tech.co.il

tech.builders

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tech.org.tw

tech.pp.ru

tech.tours

tech.care

tech.me

tech.nm.cn

tech.training

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

tech.gr

tech.vi

tech.group

tech.cx

tech.fr

tech.ae

tech.gov.vn

tech.web.id

tech.fail

tech.gold

tech.k12.ar.us

tech.email

tech.ps

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

tech.design

tech.fi

tech.s3.amazonaws.com

tech.trade

tech.or.kr

tech.ca

tech.gop

tech.cc

tech.net.cn

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

tech.ru

tech.ba

tech.cash

tech.blog

tech.africa

tech.sk

tech.cl

tech.pl

tech.kiev.ua

tech.report

tech.com.tw

tech.estate

tech.fit

tech.money

tech.london

tech.je

tech.co.jp

tech.edu.az

tech.kz

tech.com.na

tech.ne.jp

tech.mango

tech.so

tech.istanbul

tech.vegas

tech.coop

tech.gr.jp

tech.orange

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

tech.kr

tech.church

tech.voyage

tech.sakura.ne.jp

tech.citic

tech.org

tech.it

tech.gov.bt

tech.tj.cn

tech.uz

tech.click

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tech.cg

tech.community

tech.net.gr

tech.io

tech.in

tech.sc

tech.lt

tech.com.pk

tech.am

tech.com.ua

tech.news

tech.co.za

tech.eu

tech.co.ke

tech.no

tech.pt

tech.auto.pl

tech.org.pl

tech.capital

tech.guide

tech.nl

tech.holdings

Similar names

hcet.org

tehc.me

echt.it

htec.at

ehtc.org

tceh.co.uk

echt.be

echt.org

etch.se

hcet.in

htec.fr

tceh.net

echt.pro

echt.cn

chet.org.za

htec.co.uk

echt.wien

htec.hu

tehc.com

htce.org

hetc.com

htec.co.jp

chet.ru

htce.ru

etch.us

tehc.net.au

tche.br

echt.net

etch.ca

hect.org

chet.ie

echt.land

htec.es

chet.de

hcet.com

hetc.me

ceth.cn

echt.at

hcet.net

chte.ru

hect.nl

cthe.fr

tche.com

chet.io

cthe.org

chet.be

ehtc.net

tehc.de

htec.de

cthe.com

htec.vn

etch.digital

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tche.biz

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htec.rs

DNS History

13 records (9 active, 4 former)

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

● 2026-02-14 20:27:00
● 2026-06-04 13:47:06

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

● 2026-02-14 20:27:00
● 2026-06-04 13:47:06

●MXroute1.mx.cloudflare.net2026-02-14 → 2026-06-04 · 2 obs

● 2026-02-14 20:27:00
● 2026-06-04 13:47:06

●MXroute2.mx.cloudflare.net2026-02-14 → 2026-06-04 · 2 obs

● 2026-02-14 20:27:00
● 2026-06-04 13:47:06

●MXroute3.mx.cloudflare.net2026-02-14 → 2026-06-04 · 2 obs

● 2026-02-14 20:27:00
● 2026-06-04 13:47:06

●A104.21.79.2122026-02-14 → 2026-06-04 · 14 obs

● 2026-02-14 20:27:00
○ 2026-02-16 14:24:48
○ 2026-02-20 15:31:22
● 2026-02-22 20:34:36
● 2026-03-18 18:56:48
○ 2026-03-20 00:13:10
● 2026-03-23 00:20:48
● 2026-03-26 08:47:06
○ 2026-03-28 04:10:28
● 2026-03-31 21:16:00
● 2026-04-01 07:45:24
○ 2026-04-07 01:13:02
● 2026-04-07 03:01:34
● 2026-06-04 13:47:06

●A172.67.148.2062026-02-14 → 2026-06-04 · 14 obs

○A188.114.96.02026-02-16 → 2026-04-07 · 14 obs

○ 2026-02-14 20:27:00
● 2026-02-16 14:24:48
● 2026-02-20 15:31:22
○ 2026-02-22 20:34:36
○ 2026-03-18 18:56:48
● 2026-03-20 00:13:10
○ 2026-03-23 00:20:48
○ 2026-03-26 08:47:06
● 2026-03-28 04:10:28
○ 2026-03-31 21:16:00
○ 2026-04-01 07:45:24
● 2026-04-07 01:13:02
○ 2026-04-07 03:01:34
○ 2026-06-04 13:47:06

○A188.114.97.02026-02-16 → 2026-04-07 · 14 obs

●A2606:4700:3030::ac43:94ce2026-02-14 → 2026-06-04 · 14 obs

●A2606:4700:3037::6815:4fd42026-02-14 → 2026-06-04 · 14 obs

○A2a06:98c1:3120::2026-02-16 → 2026-04-07 · 14 obs

○A2a06:98c1:3121::2026-02-16 → 2026-04-07 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	-
tech.dev	jean.ns.cloudflare.com, kevin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.121

NS records: jean.ns.cloudflare.com, kevin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tech.dev (unsigned zone)

⏱️ Timing

Total: 435ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.148.206, 104.21.79.212`
AAAA	2	`2606:4700:3030::ac43:94ce, 2606:4700:3037::6815:4fd4`
NS	2	`jean.ns.cloudflare.com, kevin.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 23), route2.mx.cloudflare.net (pri: 3)...`
TXT	2	`afternic-verification-fEnUjLYTwPW3G3Vk8e, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jean.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

With 4 IP addresses, tech.dev directs to 104.21.79.212, 172.67.148.206, 2606:4700:3030::ac43:94ce and 2606:4700:3037::6815:4fd4.

Among the host names that share IP numbers with tech.dev are simple-wikipedia-org.ygecw.com, eiffel.net.cn, lunzo.hu and two others.

Name Servers

The NS records for tech.dev delegate to jean.ns.cloudflare.com and kevin.ns.cloudflare.com.

tech.dev has the same name server delegation as a number of other domains, such as jobs.xyz, students.edu.pl, arhandeals.in and two more.

At least some of tech.dev's name servers are shared with other domains, for example addictdesign.ca, dejenol.com, blakeembrey.com and two more.

These name servers tend to be used in conjunction with the name servers melody.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

jean.ns.cloudflare.com directs to 108.162.192.121, 172.64.32.121, 173.245.58.121 and three others.

kevin.ns.cloudflare.com directs to 108.162.193.191, 172.64.33.191, 173.245.59.191 and three others.

Mail Servers

The MX records for tech.dev list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

tech.dev shares at least some of its mail servers with other domains — for example sonore.biz, xeku.us, axealp.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12, 162.159.205.13 and three others.

route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18, 162.159.205.19 and three others.

route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24, 162.159.205.25 and three others.