scf.usercontent.goog - robtex.com
scf.usercontent.goog
| DNSSEC | β οΈ Not signed | ||||||
| A | 2607:f8b0:4004:c0b::84πΊπΈ Google2607:f8b0:4004::/48 | ||||||
| PTR | bj-in-f132.1e100.net | ||||||
| A | 142.250.31.132πΊπΈ Google142.250.31.0/24 | ||||||
usercontent.goog
| DNSSEC | β οΈ Not signed | ||||||
| A | 2607:f8b0:4004:c23::84πΊπΈ Google2607:f8b0:4004::/48 | ||||||
| A | 192.178.155.132πΊπΈ Google192.178.155.0/24 | ||||||
| NS | ns1.google.com β | ||||||
| NS | ns2.google.com | ||||||
| NS | ns3.google.com | ||||||
| NS | ns4.google.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.google.comdns-admin@google.com serial=950017825 | ||||||
Overview
usercontent.goog is a domain owned and operated by Google, used to serve user-generated and user-uploaded content in an isolated security context. The domain operates under Google's .goog top-level domain (TLD), which is a brand TLD exclusively controlled by Google.
Purpose and Security
The domain serves as a content isolation boundary for Google services, hosting user content separately from Google's main domains (google.com, googleapis.com). This architecture:
- Prevents cross-site scripting (XSS) attacks from affecting core Google services
- Isolates untrusted user content from authenticated Google sessions
- Provides a sandbox for third-party content like ads, games, and embedded media
Known subdomains include:
- safeframe.usercontent.goog β SafeFrame ad container implementation
- h5games.usercontent.goog β HTML5 games hosting
- static.usercontent.goog β Static user content delivery
Infrastructure
| Type | Details |
|---|---|
| IPv4 | 172.217.12.129 (Google US) |
| IPv6 | 2607:f8b0:4007:801::2001 |
| Nameservers | ns1-4.google.com (216.239.32-38.10) |
| SOA Admin | dns-admin@google.com |
| SPF | v=spf1 -all(no email sending) |
| DNSSEC | Not signed (parent .goog is signed) |
The domain resolves to Google's global anycast infrastructure, with PTR records pointing to*.1e100.net(Google's backend network).
Subdomains
0test-h914229642.scf.usercontent.goog |
3fdau7tqnd1lke71iv30vbugtzxc4gez5juv8v1cjz6oevwh71-h899562818.scf.usercontent.goog |
49on64ykc83iza5ult7056nyubsiygmr69r746spu47p32et7q-h947725342.scf.usercontent.goog |
0test-h917864466.scf.usercontent.goog |
test-h917864466.scf.usercontent.goog |
test-h914229642.scf.usercontent.goog |
Same first word
Similar names
DNS History
22 records (2 active, 20 former)
βA142.250.117.1322026-05-09 β 2026-05-11 Β· 5 obs
β 2026-05-09 21:02:40
β 2026-05-11 00:09:54
β 2026-05-18 02:25:10
β 2026-07-19 12:56:14
βA142.250.140.1322026-05-26 β 2026-05-26 Β· 4 obs
β 2026-05-26 04:22:42
β 2026-05-26 11:19:38
β 2026-07-19 12:56:14
βA142.250.31.1322026-07-08 β 2026-07-19 Β· 4 obs
β 2026-07-08 18:15:20
β 2026-07-14 02:33:30
β 2026-07-19 12:56:14
βA142.251.210.1292026-04-23 β 2026-06-12 Β· 15 obs
β 2026-04-28 00:52:10
β 2026-05-11 00:09:54
β 2026-05-18 02:25:10
β 2026-05-22 02:56:02
β 2026-05-23 11:07:14
β 2026-05-26 04:22:42
β 2026-05-26 11:19:38
β 2026-06-03 02:02:26
β 2026-06-04 00:52:38
β 2026-06-04 09:15:06
β 2026-06-09 19:25:46
β 2026-06-12 08:15:00
β 2026-06-14 05:03:38
β 2026-07-19 12:56:14
βA142.251.32.1612026-06-14 β 2026-06-14 Β· 4 obs
β 2026-06-14 05:03:38
β 2026-07-08 18:15:20
β 2026-07-19 12:56:14
βA142.251.41.12026-07-14 β 2026-07-14 Β· 3 obs
β 2026-07-14 02:33:30
β 2026-07-19 12:56:14
βA172.217.76.1322026-05-04 β 2026-05-04 Β· 4 obs
β 2026-05-04 17:31:44
β 2026-05-04 20:17:54
β 2026-07-19 12:56:14
βA172.253.122.1322026-04-28 β 2026-06-04 Β· 8 obs
β 2026-04-28 00:52:10
β 2026-04-30 18:20:24
β 2026-05-26 11:19:38
β 2026-06-03 02:02:26
β 2026-06-04 00:52:38
β 2026-06-04 09:15:06
β 2026-07-19 12:56:14
βA172.253.63.1322026-06-09 β 2026-06-09 Β· 4 obs
β 2026-06-09 19:25:46
β 2026-06-12 08:15:00
β 2026-07-19 12:56:14
βA192.178.155.1322026-04-30 β 2026-05-05 Β· 7 obs
β 2026-04-30 18:20:24
β 2026-05-04 17:31:44
β 2026-05-04 20:17:54
β 2026-05-05 17:11:18
β 2026-05-09 21:02:40
β 2026-07-19 12:56:14
βA2607:f8b0:4004:c08::842026-06-09 β 2026-06-09 Β· 4 obs
β 2026-06-09 19:25:46
β 2026-06-12 08:15:00
β 2026-07-19 12:56:14
βA2607:f8b0:4004:c09::842026-04-28 β 2026-06-04 Β· 8 obs
β 2026-04-28 00:52:10
β 2026-04-30 18:20:24
β 2026-05-26 11:19:38
β 2026-06-03 02:02:26
β 2026-06-04 00:52:38
β 2026-06-04 09:15:06
β 2026-07-19 12:56:14
βA2607:f8b0:4004:c0b::842026-07-08 β 2026-07-19 Β· 4 obs
β 2026-07-08 18:15:20
β 2026-07-14 02:33:30
β 2026-07-19 12:56:14
βA2607:f8b0:4004:c21::842026-05-22 β 2026-05-22 Β· 4 obs
β 2026-05-22 02:56:02
β 2026-05-23 11:07:14
β 2026-07-19 12:56:14
βA2607:f8b0:4004:c23::842026-04-30 β 2026-05-05 Β· 7 obs
β 2026-04-30 18:20:24
β 2026-05-04 17:31:44
β 2026-05-04 20:17:54
β 2026-05-05 17:11:18
β 2026-05-09 21:02:40
β 2026-07-19 12:56:14
βA2607:f8b0:4007:806::20012026-07-14 β 2026-07-14 Β· 3 obs
β 2026-07-14 02:33:30
β 2026-07-19 12:56:14
βA2607:f8b0:4007:807::20012026-06-14 β 2026-06-14 Β· 4 obs
β 2026-06-14 05:03:38
β 2026-07-08 18:15:20
β 2026-07-19 12:56:14
βA2607:f8b0:4007:80b::20012026-04-23 β 2026-06-12 Β· 15 obs
β 2026-04-28 00:52:10
β 2026-05-11 00:09:54
β 2026-05-18 02:25:10
β 2026-05-22 02:56:02
β 2026-05-23 11:07:14
β 2026-05-26 04:22:42
β 2026-05-26 11:19:38
β 2026-06-03 02:02:26
β 2026-06-04 00:52:38
β 2026-06-04 09:15:06
β 2026-06-09 19:25:46
β 2026-06-12 08:15:00
β 2026-06-14 05:03:38
β 2026-07-19 12:56:14
βA2a00:1450:4009:c04::842026-05-09 β 2026-05-11 Β· 5 obs
β 2026-05-09 21:02:40
β 2026-05-11 00:09:54
β 2026-05-18 02:25:10
β 2026-07-19 12:56:14
βA2a00:1450:4009:c0b::842026-05-26 β 2026-05-26 Β· 4 obs
β 2026-05-26 04:22:42
β 2026-05-26 11:19:38
β 2026-07-19 12:56:14
βA2a00:1450:4009:c19::842026-05-04 β 2026-05-04 Β· 4 obs
β 2026-05-04 17:31:44
β 2026-05-04 20:17:54
β 2026-07-19 12:56:14
βA64.233.180.1322026-05-22 β 2026-05-22 Β· 4 obs
β 2026-05-22 02:56:02
β 2026-05-23 11:07:14
β 2026-07-19 12:56:14
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| goog | ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| usercontent.goog | ns2.google.com, ns3.google.com, ns4.google.com, ns1.google.com | - |
β Authoritative Response
Server:216.239.34.10
NS records: ns2.google.com, ns3.google.com, ns4.google.com, ns1.google.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for usercontent.goog (unsigned zone)
β±οΈ Timing
Total: 264ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.250.31.132 |
| AAAA | 1 | 2607:f8b0:4004:c0b::84 |
π Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
Hierarchy
scf.usercontent.goog is the parent domain of 0test-h914229642.scf.usercontent.goog, 3fdau7tqnd1lke71iv30vbugtzxc4gez5juv8v1cjz6oevwh71-h899562818.scf.usercontent.goog, 49on64ykc83iza5ult7056nyubsiygmr69r746spu47p32et7q-h947725342.scf.usercontent.goog, 0test-h917864466.scf.usercontent.goog, test-h917864466.scf.usercontent.goog and a few other host names.
IP Addresses
scf.usercontent.goog resolves to the IP addresses 142.250.31.132 and 2607:f8b0:4004:c0b::84
Among the host names that share IP numbers with scf.usercontent.goog are 08f22d460b84e76f35d8ee28cc41060e.safeframe.googlesyndication.com, 745441056a10bc616941517c2822fef7.safeframe.googlesyndication.com, cee661631d1cd5acb9c493bb71586a1a.safeframe.googlesyndication.com and two others.