progressbookplus.web.app - dns.ninja
progressbookplus.web.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2620:0:890::100🇺🇸 Fastly2620:0:890::/48 Google | ||||||
| A | 199.36.158.100🇺🇸 Fastly199.36.158.0/24 Google | ||||||
web.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2620:0:890::100🇺🇸 Fastly2620:0:890::/48 Google | ||||||
| A | 199.36.158.100🇺🇸 Fastly199.36.158.0/24 Google | ||||||
| NS | ns1.googledomains.com ⭐ | ||||||
| NS | ns2.googledomains.com | ||||||
| NS | ns3.googledomains.com | ||||||
| NS | ns4.googledomains.com | ||||||
| SOA | ns1.googledomains.comcloud-dns-hostmaster@google.com serial=1 | ||||||
rank #1180 globally
rank #4 in the tld
web.app
web.app is a second‑level domain under the.appgTLD, operated by Google. It is primarily used as a hosting namespace for Firebase‑hosted web applications.
Key facts
- Owner / operator: Google (Alphabet Inc.)
- TLD:
.app— gTLD - Primary purpose: Hosting for Firebase‑hosted web apps and static sites
- Status: active
Notable subdomains or services
*.web.app– Firebase Hosting (static web apps)
Related domains
firebaseapp.com– another Firebase hosting domain
📈 Tranco rank: #2,884
Same first word
progressbookplus.web.app |
progressbookplus.com |
progressbookplus.firebaseapp.com |
DNS History
4 records (2 active, 2 former)
○A151.101.1.1952020-03-03 → 2020-03-03 · 3 obs
● 2020-03-03 21:59:10
○ 2026-06-15 12:49:46
○ 2026-08-06 03:34:48
○ 2026-06-15 12:49:46
○ 2026-08-06 03:34:48
○A151.101.65.1952020-03-03 → 2020-03-03 · 3 obs
● 2020-03-03 21:59:10
○ 2026-06-15 12:49:46
○ 2026-08-06 03:34:48
○ 2026-06-15 12:49:46
○ 2026-08-06 03:34:48
●A199.36.158.1002026-06-15 → 2026-08-06 · 3 obs
○ 2020-03-03 21:59:10
● 2026-06-15 12:49:46
● 2026-08-06 03:34:48
● 2026-06-15 12:49:46
● 2026-08-06 03:34:48
●A2620:0:890::1002026-06-15 → 2026-08-06 · 3 obs
○ 2020-03-03 21:59:10
● 2026-06-15 12:49:46
● 2026-08-06 03:34:48
● 2026-06-15 12:49:46
● 2026-08-06 03:34:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| web.app | ns1.googledomains.com, ns4.googledomains.com, ns3.googledomains.com, ns2.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.99
NS records: ns1.googledomains.com, ns4.googledomains.com, ns3.googledomains.com, ns2.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for web.app (unsigned zone)
⏱️ Timing
Total: 480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.36.158.100 |
| AAAA | 1 | 2620:0:890::100 |
Analysis
IP Addresses
progressbookplus.web.app resolves to the IP addresses 199.36.158.100 and 2620:0:890::100
Additional host names — rece-4a8rgt.web.app, smoogi.com, isobelgesi.net and two others — share IP numbers with progressbookplus.web.app.