`rum5.perf.linkedin.com`

	CNAME	`linkedin.map.fastly.net`
	DNSSEC	⚠️ Not signed
	A	2a04:4e42:79::810^{🇺🇸 Fastly2a04:4e42:79::/48}
	A	146.75.39.42^{🇺🇸 Fastly146.75.36.0/22}

`perf.linkedin.com`

DNSSEC

⚠️ Not signed

WOT: SAFE (64/100)
WOT: SAFE (78/100)

Similar names

r5mu.com

rm5u.com

DNS History

5 records (1 active, 4 former)

○A185.63.144.12016-12-07 → 2017-01-23 · 3 obs

● 2016-12-07 17:14:48
● 2017-01-23 18:35:10
○ 2026-05-11 01:38:48

○A2620:109:c00c:104::b93f:90012016-12-07 → 2017-01-23 · 3 obs

● 2016-12-07 17:14:48
● 2017-01-23 18:35:10
○ 2026-05-11 01:38:48

○CNAME2-01-2c3e-003a.cdx.cedexis.net2016-12-07 → 2017-01-23 · 3 obs

● 2016-12-07 17:14:48
● 2017-01-23 18:35:10
○ 2026-05-11 01:38:48

●CNAMElinkedin.map.fastly.net2026-05-11 → 2026-05-11 · 2 obs

○ 2017-01-23 18:35:10
● 2026-05-11 01:38:48

○CNAMEpop-tln1.perf.linkedin.com2016-12-07 → 2017-01-23 · 3 obs

● 2016-12-07 17:14:48
● 2017-01-23 18:35:10
○ 2026-05-11 01:38:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.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:150.171.16.42

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: 373ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`linkedin.map.fastly.net`

📌 Glue Records Collected

Total: 1

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

Analysis

IP Addresses

rum5.perf.linkedin.com points to two IP numbers: 2a04:4e42:79::810 and 146.75.39.42.

Other host names, for instance siriusxm.map.fastly.net, s.sni.global.fastly.net, live.brightcove.map.fastly.net, linkedin.map.fastly.net and s.nintendo.map.fastly.net share IP numbers with rum5.perf.linkedin.com.

rum5.perf.linkedin.com - robtex.com