`rum13.perf.linkedin.com`

	CNAME	`pop-az-be.www.linkedin.com`
	CNAME	`pop-az-be-lor1.www.linkedin.com`
	DNSSEC	⚠️ Not signed
	A	52.131.37.152^{🇨🇳 BLUECLOUD52.131.0.0/17 Microsoft China}

`perf.linkedin.com`

DNSSEC

⚠️ Not signed

⚠️ On DNS blocklist: pro.plus, ultimate
WOT: SAFE (64/100)
WOT: SAFE (78/100)

DNS History

2 records (1 active, 1 former)

○CNAMEmix.linkedin.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 21:26:42
○ 2026-03-26 05:08:10
○ 2026-05-10 23:10:30

●CNAMEpop-az-be.www.linkedin.com2026-03-26 → 2026-05-10 · 3 obs

○ 2018-05-09 21:26:42
● 2026-03-26 05:08:10
● 2026-05-10 23:10:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
linkedin.com	dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net...	1 record

✅ Authoritative Response

Server:198.51.45.73

NS records: dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, ns3-42.azure-dns.org, ns4-42.azure-dns.info, ns1-42.azure-dns.com, ns2-42.azure-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linkedin.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`pop-az-be.www.linkedin.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns1-42.azure-dns.com)

Analysis

IP Addresses

rum13.perf.linkedin.com maps to IP address 52.131.37.152.

Other host names for instance linkedin.cn and pop-az-be-lor1.www.linkedin.com share IP numbers with rum13.perf.linkedin.com.

rum13.perf.linkedin.com - robtex.com