`ext.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d840^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:10dc^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.220^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.64^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`glen.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`glen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`glen.ns.cloudflare.com`
		A	108.162.193.169^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	172.64.33.169^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	173.245.59.169^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
MX	`mail.ext.dev` ⭐
		A	2a01:4f8:c012:a815::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	128.140.92.241^{🇩🇪 Hetzner128.140.0.0/17 HETZNER-DC}
			PTR	`mail.ext.dev`
TXT	`google-site-verification=3QurU19PFu_CigtkEjtKGx7ffYFtgdoOp4cN9xKU1F4`
TXT	`google-site-verification=JnDLQHIqR-i5QwzVBSfQusTle_WUvDIpl8Pep0v2-2I`
TXT	`v=spf1 a:mail.ext.dev -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.220, 172.67.216.64
		IPv6 hints	2606:4700:3031::ac43:d840, 2606:4700:3032::6815:10dc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=153, name=cloudflare-ech.com
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2408379768

`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)

PTR for

178.31.13.49.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.9.5.9.3.1.0.c.8.f.4.0.1.0.a.2.ip6.arpa

Subdomains

mail.ext.dev

Same first word

ext.es

ext.spb.ru

ext.tech

ext.media

ext.pl

ext.to

ext.jp

ext.im

ext.no

ext.poker

ext.co.za

ext.goog

ext.awsapps.com

ext.ru

ext.io

ext.me

ext.lv

ext.services

ext.co.il

ext.net

ext.hu

ext.com.cy

ext.cz

ext.net.br

ext.icu

ext.ro

ext.ne.jp

ext.tools

ext.dedyn.io

ext.co.in

ext.by

ext.cl

ext.de

ext.vn

ext.gr

ext.it

ext.tv

ext.org

ext.guru

ext.politie

ext.as

ext.systems

ext.lol

ext.al

ext.studio

ext.si

ext.in

ext.pics

ext.lt

ext.com

ext.cn

ext.com.br

ext.red

ext.eu

ext.dk

ext.mobi

ext.com.pl

ext.domains

ext.market

ext.su

ext.co

ext.earth

ext.dev

ext.is

ext.net.in

ext.be

ext.ch

ext.md

ext.re

ext.nl

ext.tw

ext.se

ext.fi

ext.my

ext.cc

ext.az

ext.bio

ext.site

Similar names

tex.com.tr

tex.us

tex.red

etx.jp

tex.cn

tex.li

tex.no

tex.org.uk

xte.dk

tex.media

tex.vn

xte.cz

etx.su

xet.fr

etx.no

txe.nl

etx.net.pl

tex.tips

tex.co

etx.cl

etx.at

tex.co.za

tex.pt

tex.nl

tex.pro.br

xet.uz

etx.xyz

etx.by

tex.st

tex.pl

tex.group

tex.is

tex.cl

xte.com.au

tex.org

xet.co.uk

tex.net

xet.com

etx.com

tex.net.au

xte.co

etx.com.cn

tex.co.jp

tex.kr

xet.co.za

tex.ru

xte.nl

etx.in

txe.jp

xet.mobi

etx.mobi

tex.asia

xte.at

tex.it

tex.com

tex.az

xte.se

txe.ru

txe.co.uk

etx.co.uk

etx.ch

xet.me

tex.org.cn

etx.ie

etx.com.pl

etx.es

txe.cn

xte.ch

DNS History

12 records (7 active, 5 former)

●NSamanda.ns.cloudflare.com2026-02-14 → 2026-07-04 · 2 obs

● 2026-02-14 20:30:00
● 2026-07-04 19:39:18

●NSglen.ns.cloudflare.com2026-02-14 → 2026-07-04 · 2 obs

● 2026-02-14 20:30:00
● 2026-07-04 19:39:18

●MXmail.ext.dev2026-02-14 → 2026-07-04 · 2 obs

● 2026-02-14 20:30:00
● 2026-07-04 19:39:18

●A104.21.16.2202026-07-04 → 2026-07-04 · 2 obs

○ 2026-06-16 09:05:46
● 2026-07-04 19:39:18

●A172.67.216.642026-07-04 → 2026-07-04 · 2 obs

○ 2026-06-16 09:05:46
● 2026-07-04 19:39:18

○A188.114.96.02026-06-16 → 2026-06-16 · 3 obs

○ 2026-06-05 08:14:06
● 2026-06-16 09:05:46
○ 2026-07-04 19:39:18

○A188.114.97.02026-06-16 → 2026-06-16 · 3 obs

○ 2026-06-05 08:14:06
● 2026-06-16 09:05:46
○ 2026-07-04 19:39:18

●A2606:4700:3031::ac43:d8402026-07-04 → 2026-07-04 · 2 obs

○ 2026-06-16 09:05:46
● 2026-07-04 19:39:18

●A2606:4700:3032::6815:10dc2026-07-04 → 2026-07-04 · 2 obs

○ 2026-06-16 09:05:46
● 2026-07-04 19:39:18

○A2a06:98c1:3120::2026-06-16 → 2026-06-16 · 3 obs

○ 2026-06-05 08:14:06
● 2026-06-16 09:05:46
○ 2026-07-04 19:39:18

○A2a06:98c1:3121::2026-06-16 → 2026-06-16 · 3 obs

○ 2026-06-05 08:14:06
● 2026-06-16 09:05:46
○ 2026-07-04 19:39:18

○A49.13.31.1782026-02-14 → 2026-06-05 · 4 obs

● 2026-02-14 20:30:00
● 2026-06-05 08:14:06
○ 2026-06-16 09:05:46
○ 2026-07-04 19:39:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
ext.dev	glen.ns.cloudflare.com, amanda.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.63

NS records: glen.ns.cloudflare.com, amanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ext.dev (unsigned zone)

⏱️ Timing

Total: 784ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.220, 172.67.216.64`
AAAA	2	`2606:4700:3032::6815:10dc, 2606:4700:3031::ac43:d840`
NS	2	`amanda.ns.cloudflare.com, glen.ns.cloudflare.com`
MX	1	`mail.ext.dev (pri: 10)`
TXT	3	`google-site-verification=3QurU19PFu_Cigt, google-site-verification=JnDLQHIqR-i5Qwz...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

ext.dev serves as the parent of mail.ext.dev.

IP Addresses

ext.dev has four IP addresses: 104.21.16.220, 172.67.216.64, 2606:4700:3031::ac43:d840 and 2606:4700:3032::6815:10dc.

Among the host names that share IP numbers with ext.dev are relay.uralliga.ru, www.nbajee99.net, theorphanfoundation.org and two others.

Name Servers

ext.dev uses two name servers for its delegation: amanda.ns.cloudflare.com and glen.ns.cloudflare.com.

ext.dev has the same name server delegation as a number of other domains, such as kindersmeats.com, zechendorf.de, lesbenhd.com and two more.

ext.dev has at least partial name server overlap with other domains, such as imoney.tools, activeitdesign.com, attentioneditor.com and two others.

These name servers tend to appear together with the name servers colin.ns.cloudflare.com, braden.ns.cloudflare.com and kai.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname amanda.ns.cloudflare.com directs to 108.162.192.63, 172.64.32.63 and 173.245.58.63 along with 3 other IP addresses.

Hostname glen.ns.cloudflare.com directs to 108.162.193.169, 172.64.33.169 and 173.245.59.169 along with 3 other IP addresses.

Mail Servers

ext.dev routes its mail through a single mail server, mail.ext.dev.

mail.ext.dev has two IP addresses: 128.140.92.241 and 2a01:4f8:c012:a815::1.

ext.dev - robtex.com

ext.dev

dev

PTR for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ext.dev`

`dev`