`contribution-rt.usercontent.google.com`

DNSSEC	⚠️ Not signed
A	2607:f8b0:4006:81b::2001^{🇺🇸 Google2607:f8b0:4006::/48}
		PTR	`lclgaa-au-in-x01.1e100.net`
		PTR	`lga25s63-in-x01.1e100.net`
A	142.251.211.129^{🇺🇸 Google142.251.211.0/24}

`usercontent.google.com`

	DNSSEC	⚠️ Not signed
	A	2607:f8b0:4006:804::2001^{🇺🇸 Google2607:f8b0:4006::/48}
	A	142.251.41.161^{🇺🇸 Google142.251.41.0/24}

WOT: SAFE (95/100)
WOT: SAFE (95/100)

DNS History

10 records (2 active, 8 former)

○A142.250.140.1322026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-23 16:59:14
● 2026-02-27 20:09:34
○ 2026-03-18 02:28:38
○ 2026-04-24 00:28:42

○A142.250.188.12026-04-13 → 2026-04-13 · 3 obs

○ 2026-03-18 02:28:38
● 2026-04-13 05:50:44
○ 2026-04-24 00:28:42

●A142.251.211.1292026-04-24 → 2026-04-24 · 2 obs

○ 2026-04-13 05:50:44
● 2026-04-24 00:28:42

○A142.251.29.1322026-02-23 → 2026-02-23 · 3 obs

● 2026-02-23 16:59:14
○ 2026-02-27 20:09:34
○ 2026-04-24 00:28:42

○A192.178.223.1322026-03-18 → 2026-03-18 · 4 obs

○ 2026-02-27 20:09:34
● 2026-03-18 02:28:38
○ 2026-04-13 05:50:44
○ 2026-04-24 00:28:42

○A2607:f8b0:4006:803::20012026-04-13 → 2026-04-13 · 3 obs

○ 2026-03-18 02:28:38
● 2026-04-13 05:50:44
○ 2026-04-24 00:28:42

●A2607:f8b0:4006:81b::20012026-04-24 → 2026-04-24 · 2 obs

○ 2026-04-13 05:50:44
● 2026-04-24 00:28:42

○A2a00:1450:4009:c0b::842026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-23 16:59:14
● 2026-02-27 20:09:34
○ 2026-03-18 02:28:38
○ 2026-04-24 00:28:42

○A2a00:1450:4009:c0f::842026-03-18 → 2026-03-18 · 4 obs

○ 2026-02-27 20:09:34
● 2026-03-18 02:28:38
○ 2026-04-13 05:50:44
○ 2026-04-24 00:28:42

○A2a00:1450:4009:c15::842026-02-23 → 2026-02-23 · 3 obs

● 2026-02-23 16:59:14
○ 2026-02-27 20:09:34
○ 2026-04-24 00:28:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
google.com	ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com	8 records

✅ Authoritative Response

Server:216.239.34.10

NS records: ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for google.com (unsigned zone)

⏱️ Timing

Total: 316ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`142.251.211.129`
AAAA	1	`2607:f8b0:4006:81b::2001`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns2.google.com, ns2.google.com, ns1.google.com...)

Analysis

IP Addresses

contribution-rt.usercontent.google.com has two IP numbers: 2607:f8b0:4006:81b::2001 and 142.251.211.129.

Other host names, for instance tutti.page.link, 63c3f8214706a04c3f9d32a654e17730.safeframe.googlesyndication.com, a7bfd79b45c42d012c599e51f56853cd.safeframe.googlesyndication.com, 6191b3392b4fa9c17b6fa643c6a73c28.safeframe.googlesyndication.com and 8aea54e51d864995e99f64e8128f8f5a.safeframe.googlesyndication.com share IP numbers with contribution-rt.usercontent.google.com.

contribution-rt.usercontent.google.com - robtex.com