ext.dev - dns.ninja

ext.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d840🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:10dc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.220Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.64🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamanda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamanda.ns.cloudflare.com
A2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamanda.ns.cloudflare.com
A108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
NSglen.ns.cloudflare.com
A2606:4700:58::adf5:3ba9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRglen.ns.cloudflare.com
A2803:f800:50::6ca2:c1a9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRglen.ns.cloudflare.com
A2a06:98c1:50::ac40:21a9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRglen.ns.cloudflare.com
A108.162.193.169🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRglen.ns.cloudflare.com
A172.64.33.169🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRglen.ns.cloudflare.com
A173.245.59.169🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRglen.ns.cloudflare.com
MXmail.ext.dev ⭐
A2a01:4f8:c012:a815::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A128.140.92.241🇩🇪 Hetzner128.140.0.0/17 HETZNER-DC
PTRmail.ext.dev
TXTgoogle-site-verification=3QurU19PFu_CigtkEjtKGx7ffYFtgdoOp4cN9xKU1F4
TXTgoogle-site-verification=JnDLQHIqR-i5QwzVBSfQusTle_WUvDIpl8Pep0v2-2I
TXTv=spf1 a:mail.ext.dev -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.220, 172.67.216.64
IPv6 hints2606:4700:3031::ac43:d840, 2606:4700:3032::6815:10dc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=62, name=cloudflare-ech.com
SOAamanda.ns.cloudflare.comdns@cloudflare.com serial=2409813776

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-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.ad
ext.com.cy
ext.cz
ext.net.br
ext.icu
ext.ro
ext.at
ext.ne.jp
ext.fox
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.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
tex.studio
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.com.pl

DNS History

12 records (7 active, 5 former)

NSamanda.ns.cloudflare.comglen.ns.cloudflare.comMXmail.ext.devA104.21.16.220172.67.216.642606:4700:3031::ac43:d8402606:4700:3032::6815:10dc188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::49.13.31.178
●NSamanda.ns.cloudflare.com2026-02-14 → 2026-07-23 · 2 obs
● 2026-02-14 20:30:00
● 2026-07-23 17:02:34
●NSglen.ns.cloudflare.com2026-02-14 → 2026-07-23 · 2 obs
● 2026-02-14 20:30:00
● 2026-07-23 17:02:34
●MXmail.ext.dev2026-02-14 → 2026-07-23 · 2 obs
● 2026-02-14 20:30:00
● 2026-07-23 17:02:34
●A104.21.16.2202026-07-04 → 2026-07-23 · 3 obs
○ 2026-06-16 09:05:46
● 2026-07-04 19:39:18
● 2026-07-23 17:02:34
●A172.67.216.642026-07-04 → 2026-07-23 · 3 obs
○ 2026-06-16 09:05:46
● 2026-07-04 19:39:18
● 2026-07-23 17:02:34
○A188.114.96.02026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-05 08:14:06
● 2026-06-16 09:05:46
○ 2026-07-04 19:39:18
○ 2026-07-23 17:02:34
○A188.114.97.02026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-05 08:14:06
● 2026-06-16 09:05:46
○ 2026-07-04 19:39:18
○ 2026-07-23 17:02:34
●A2606:4700:3031::ac43:d8402026-07-04 → 2026-07-23 · 3 obs
○ 2026-06-16 09:05:46
● 2026-07-04 19:39:18
● 2026-07-23 17:02:34
●A2606:4700:3032::6815:10dc2026-07-04 → 2026-07-23 · 3 obs
○ 2026-06-16 09:05:46
● 2026-07-04 19:39:18
● 2026-07-23 17:02:34
○A2a06:98c1:3120::2026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-05 08:14:06
● 2026-06-16 09:05:46
○ 2026-07-04 19:39:18
○ 2026-07-23 17:02:34
○A2a06:98c1:3121::2026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-05 08:14:06
● 2026-06-16 09:05:46
○ 2026-07-04 19:39:18
○ 2026-07-23 17:02:34
○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
○ 2026-07-23 17:02:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...-
ext.devamanda.ns.cloudflare.com, glen.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.63

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ext.dev (unsigned zone)

⏱️ Timing

Total: 451ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.16.220, 172.67.216.64
AAAA22606:4700:3031::ac43:d840, 2606:4700:3032::6815:10dc
NS2amanda.ns.cloudflare.com, glen.ns.cloudflare.com
MX1mail.ext.dev (pri: 10)
TXT3google-site-verification=3QurU19PFu_Cigt, google-site-verification=JnDLQHIqR-i5Qwz...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amanda.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

mail.ext.dev is delegated beneath ext.dev.

IP Addresses

ext.dev points to the 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 is delegated to two name servers: 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.

There is at least partial name server overlap between ext.dev and other domains — imoney.tools, activeitdesign.com, furc.com.cn and two more among them.

These name servers frequently co-occur with the name servers colin.ns.cloudflare.com and braden.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

amanda.ns.cloudflare.com resolves to 108.162.192.63, 172.64.32.63, 173.245.58.63 and 3 other IP addresses.

glen.ns.cloudflare.com resolves to 108.162.193.169, 172.64.33.169, 173.245.59.169 and 3 other IP addresses.

Mail Servers

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

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