zen-browser.app - robtex.com
zen-browser.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:45c🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:55c🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:4960🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.4.92Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.5.92Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.73.96🇺🇸 Cloudflare172.67.64.0/20 , 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 | 162.159.44.92Cloudflare162.159.32.0/20 , 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 | nia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 108.162.192.210🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 172.64.32.210🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 173.245.58.210🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| MX | mail.tutanota.de ⭐ | ||||||
| A | 185.205.69.211🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w11.tutanota.de | ||||||
| A | 185.205.69.213🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w13.tutanota.de | ||||||
| A | 185.205.69.214🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w14.tutanota.de | ||||||
| TXT | Ticket ID - 290639 | ||||||
| TXT | google-site-verification=HldAn6UqCyfGT0c_pGO-oWGcRgu6zvvRGs1FUA3xiZA | ||||||
| TXT | t-verify=ec3c2f26709549ccc384921789146c27 | ||||||
| TXT | v=spf1 include:spf.tutanota.de -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.26.4.92, 104.26.5.92, 172.67.73.96 | ||||||
| IPv6 | 2606:4700:20::681a:45c, 2606:4700:20::681a:55c, 2606:4700:20::ac43:4960 | ||||||
| SOA | aaden.ns.cloudflare.comdns@cloudflare.com serial=2400027641 | ||||||
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.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
rank #77 in the tld
📈 Tranco rank: #63,776
🔒 HSTS Preload (+subdomains)
Subdomains
updates.zen-browser.app |
Same first word
zen-browser.app |
DNS History
9 records (9 active, 0 former)
●NSaaden.ns.cloudflare.com2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
●NSnia.ns.cloudflare.com2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
●MXmail.tutanota.de2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
●A104.26.4.922026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
●A104.26.5.922026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
●A172.67.73.962026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
●A2606:4700:20::681a:45c2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
●A2606:4700:20::681a:55c2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
●A2606:4700:20::ac43:49602026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:35:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| zen-browser.app | aaden.ns.cloudflare.com, nia.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.92
NS records: aaden.ns.cloudflare.com, nia.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zen-browser.app (unsigned zone)
⏱️ Timing
Total: 543ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 172.67.73.96, 104.26.4.92... |
| AAAA | 3 | 2606:4700:20::681a:55c, 2606:4700:20::ac43:4960... |
| NS | 2 | aaden.ns.cloudflare.com, nia.ns.cloudflare.com |
| MX | 1 | mail.tutanota.de (pri: 0) |
| TXT | 4 | Ticket ID - 290639, google-site-verification=HldAn6UqCyfGT0c... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aaden.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
Hierarchy
zen-browser.app is the parent of updates.zen-browser.app.
IP Addresses
zen-browser.app resolves to six IP addresses: 2606:4700:20::681a:45c, 2606:4700:20::681a:55c, 2606:4700:20::ac43:4960, 104.26.4.92, 104.26.5.92 and 172.67.73.96.
other host names including birchalltea.co.uk, www.10marifet.org, new.cpa.club, akipam.com and threebestrated.de share IP numbers with zen-browser.app.
Name Servers
zen-browser.app is delegated to two name servers aaden.ns.cloudflare.com and nia.ns.cloudflare.com.
zen-browser.app uses the same name server setup as other domains such as erasebg.com, vestinam.com, xacts.io and vira-sk.ru.
zen-browser.app at least partially shares name servers with other domains, for instance datakik.net, klick18.com, theweirdseries.com, ubectech.com and kaibin.me.
These name servers are commonly used alongside brenna.ns.cloudflare.com and emerson.ns.cloudflare.com.
Host names with six IP numbers:
Host name 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.
Host name nia.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad2, 2803:f800:50::6ca2:c0d2, 2a06:98c1:50::ac40:20d2, 108.162.192.210, 172.64.32.210 and 173.245.58.210.
Mail Servers
zen-browser.app is handled by a single mail server, mail.tutanota.de.
zen-browser.app shares the same mail server setup as other domains, for instance 2runamuk.com, balm.co, adnoesis.com, epsilon.net and 7sevenbit.com.
zen-browser.app shares mail servers with other domains to some extent, for instance cryptach.org.
mail.tutanota.de points to three IP addresses: 185.205.69.211, 185.205.69.213 and 185.205.69.214.