backstack.app - dns.ninja
backstack.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:3b82🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:b185🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.59.130Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.177.133🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bob.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c168🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2168🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 108.162.193.104🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 172.64.33.104🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 173.245.59.104🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| NS | isla.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c077🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2077🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 108.162.192.119🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 172.64.32.119🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 173.245.58.119🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.59.130, 172.67.177.133 | ||||||
| IPv6 hints | 2606:4700:3032::6815:3b82, 2606:4700:3036::ac43:b185 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com | ||||||
| SOA | bob.ns.cloudflare.comdns@cloudflare.com serial=2419674775 | ||||||
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 | ||||||
Same first word
Similar names
stackback.ai |
stackback.xyz |
stackback.pl |
stackback.au |
stackback.eu |
stackback.nl |
backtacks.com |
stackback.workers.dev |
stackback.com.au |
stackback.app |
stackback.com |
stackback.co.uk |
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSbob.ns.cloudflare.com2026-11-09 → 2026-11-09 · 2 obs
● 2026-11-09 18:43:04
●NSisla.ns.cloudflare.com2026-11-09 → 2026-11-09 · 2 obs
● 2026-11-09 18:43:04
●A104.21.59.1302026-11-09 → 2026-11-09 · 2 obs
● 2026-11-09 18:43:04
●A172.67.177.1332026-11-09 → 2026-11-09 · 2 obs
● 2026-11-09 18:43:04
●A2606:4700:3032::6815:3b822026-11-09 → 2026-11-09 · 2 obs
● 2026-11-09 18:43:04
●A2606:4700:3036::ac43:b1852026-11-09 → 2026-11-09 · 2 obs
● 2026-11-09 18:43:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| backstack.app | isla.ns.cloudflare.com, bob.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.119
NS records: isla.ns.cloudflare.com, bob.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for backstack.app (unsigned zone)
⏱️ Timing
Total: 563ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.177.133, 104.21.59.130 |
| AAAA | 2 | 2606:4700:3036::ac43:b185, 2606:4700:3032::6815:3b82 |
| NS | 2 | bob.ns.cloudflare.com, isla.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bob.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
backstack.app points to the four IP addresses 104.21.59.130, 172.67.177.133, 2606:4700:3032::6815:3b82 and 2606:4700:3036::ac43:b185.
teddy168.app, senterabalticauab.com, us-slimpic.com plus two other host names have IP numbers in common with backstack.app.
Name Servers
backstack.app is delegated to two name servers: bob.ns.cloudflare.com and isla.ns.cloudflare.com.
The name server configuration of backstack.app is shared with other domains, for instance slotobar.ru, ts4rent.ru, bichael-uk.pages.dev and two others.
The name servers of backstack.app overlap at least partially with those of other domains — among them yelvatrix.lol, visitaxisbrands.com, rangesales.uk.com and two more.
The name servers hugh.ns.cloudflare.com, brianna.ns.cloudflare.com and violet.ns.cloudflare.com are commonly seen alongside these name servers.
Hosts with 6 IP addresses each:
bob.ns.cloudflare.com resolves to 108.162.193.104, 172.64.33.104, 173.245.59.104 and 3 other IP addresses.
isla.ns.cloudflare.com resolves to 108.162.192.119, 172.64.32.119, 173.245.58.119 and 3 other IP addresses.