`written.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4ea1^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:dfbf^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.161^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.191^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aaden.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aaden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aaden.ns.cloudflare.com`
		A	108.162.195.92^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaden.ns.cloudflare.com`
		A	162.159.44.92^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaden.ns.cloudflare.com`
		A	172.64.35.92^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaden.ns.cloudflare.com`
NS	`elinore.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c099^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elinore.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2099^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elinore.ns.cloudflare.com`
		A	108.162.192.153^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	172.64.32.153^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	173.245.58.153^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`facebook-domain-verification=tb1jvu4ar5tbks98a6xhqwwpoiqroi`
TXT	`google-site-verification=OX2zJvc4bwRWdX1jajf-8o55XSkvTRGIi3okTFVKQKk`
TXT	`google-site-verification=baKJZ-g09WcTmjdqAcXWx2S1zkYVPZFKVgZ-5FXXsr8`
TXT	`protonmail-verification=5a9b7899d471aa17c5467501a549b513b560cf82`
TXT	`v=spf1 include:_spf4.written.app include:_spf6.written.app include:_spf.proto...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.161, 172.67.223.191
		IPv6 hints	2606:4700:3031::6815:4ea1, 2606:4700:3032::ac43:dfbf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=45, name=cloudflare-ech.com
SOA	`aaden.ns.cloudflare.com`dns@cloudflare.com serial=2402271782

`app`

	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=101427

🔒 HSTS Preload (+subdomains)

Same first word

written.me

written.ca

written.org

written.ch

written.de

written.us

written.name

written.it

written.chat

written.com

written.world

written.se

written.app

written.co.nz

written.jp

written.cn

written.biz

written.ru

written.co

written.co.in

Similar names

twinter.de

netwirt.net

writent.com

wittner.com.au

wittern.com

wittner.ch

twinter.eu

wintter.eu

wittren.com

wittern.nl

netwirt.de

wittern.net

wittern.eu

ternwit.com

wintter.md

wintert.com

wittner.be

wittern.org

wittner.shoes

wittern.de

wittner.myshopify.com

wittner.com

wittner.de

triwent.com

wintter.de

nettirw.com

twinter.nl

triwnet.com

wrentit.com

wittner.tv

twitren.com

twinter.com

wittner.net.au

wintter.com

wittner.net

DNS History

8 records (8 active, 0 former)

●NSaaden.ns.cloudflare.com2026-04-14 → 2026-04-22 · 2 obs

● 2026-04-14 01:11:56
● 2026-04-22 17:11:26

●NSelinore.ns.cloudflare.com2026-04-14 → 2026-04-22 · 2 obs

● 2026-04-14 01:11:56
● 2026-04-22 17:11:26

●MXmail.protonmail.ch2026-04-14 → 2026-04-22 · 2 obs

● 2026-04-14 01:11:56
● 2026-04-22 17:11:26

●MXmailsec.protonmail.ch2026-04-14 → 2026-04-22 · 2 obs

● 2026-04-14 01:11:56
● 2026-04-22 17:11:26

●A104.21.78.1612026-04-14 → 2026-04-22 · 2 obs

● 2026-04-14 01:11:56
● 2026-04-22 17:11:26

●A172.67.223.1912026-04-14 → 2026-04-22 · 2 obs

● 2026-04-14 01:11:56
● 2026-04-22 17:11:26

●A2606:4700:3031::6815:4ea12026-04-14 → 2026-04-22 · 2 obs

● 2026-04-14 01:11:56
● 2026-04-22 17:11:26

●A2606:4700:3032::ac43:dfbf2026-04-14 → 2026-04-22 · 2 obs

● 2026-04-14 01:11:56
● 2026-04-22 17:11:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
written.app	elinore.ns.cloudflare.com, aaden.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.153

NS records: elinore.ns.cloudflare.com, aaden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for written.app (unsigned zone)

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.223.191, 104.21.78.161`
AAAA	2	`2606:4700:3031::6815:4ea1, 2606:4700:3032::ac43:dfbf`
NS	2	`aaden.ns.cloudflare.com, elinore.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	5	`facebook-domain-verification=tb1jvu4ar5t, google-site-verification=OX2zJvc4bwRWdX1...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aaden.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

written.app resolves to four IPs: 2606:4700:3031::6815:4ea1, 2606:4700:3032::ac43:dfbf, 104.21.78.161 and 172.67.223.191.

Other host names such as bd222.win, safirbet1141.com, t01-app-agent.jxyllps.com, www.certforums.co.uk and credismart.com.ua share IP numbers with written.app.

Name Servers

written.app is delegated to two name servers: aaden.ns.cloudflare.com and elinore.ns.cloudflare.com.

written.app uses the same name server setup as other domains, including battleking.fr, kra-39-at.com, kra8.net, kra26a.cc and kr-10.cc.

At least part of the name servers for written.app are shared with other domains, for instance psjhealth.net, cajeando.com, one-life-game.com, missionhap.org and techmark.ca.

These name servers are often used together with howard.ns.cloudflare.com, rachel.ns.cloudflare.com and brenna.ns.cloudflare.com.

Host names with six IP numbers:

aaden.ns.cloudflare.com points to: 2606:4700:58::a29f:2c5c, 2803:f800:50::6ca2:c35c, 2a06:98c1:50::ac40:235c, 108.162.195.92, 162.159.44.92 and 172.64.35.92.

elinore.ns.cloudflare.com points to: 2606:4700:50::adf5:3a99, 2803:f800:50::6ca2:c099, 2a06:98c1:50::ac40:2099, 108.162.192.153, 172.64.32.153 and 173.245.58.153.

Mail Servers

written.app is handled by two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

written.app uses the same mail server setup as other domains, for instance usoog.com, hanelabs.com, iptvinsider.com, crimsonbytes.net and vaekstfabrikkerne.dk.

written.app shares at least some mail servers with other domains, for example pseud0nym.net, spender.com.au, patentlitigation.ch, burnice.nl and goeury.fr.

Host names with three IP numbers:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

written.app - robtex.com

written.app

app

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`written.app`

`app`