`sso.linuxfoundation.org`

	CNAME	`linuxfoundation-cd-iaeoct8i5ycjwoc3.edge.tenants.auth0.com`
	DNSSEC	⚠️ Not signed
	A	2606:4700:4403::ac40:96ee^{🇺🇸 Cloudflare2606:4700:4403::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	2a06:98c1:3101::6812:2512^{🇺🇸 Cloudflare2a06:98c1:3101::/48}
	A	104.18.37.18^{Cloudflare104.18.37.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	172.64.150.238^{🇺🇸 Cloudflare172.64.150.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`linuxfoundation.org`

	DNSSEC	⚠️ Not signed
	A	3.131.150.69^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
	NS	`ns1.dnsimple.com` ⭐
	NS	`ns2.dnsimple-edge.net`
	NS	`ns3.dnsimple.com`
	NS	`ns4.dnsimple-edge.org`
	MX	`smtp.google.com` ⭐
	TXT	`asv=c1fdffadb0fd615cad7c3830edd07ed4`
	TXT	`facebook-domain-verification=qszecvsg1sxiy6ula1zumzw4z247ra`
	TXT	`google-site-verification=7fAmztvM0wOJRENtNl_PJUeEd4eUJxORFZ_mntw_O7A`
	TXT	`google-site-verification=a8A4fR7tzctgZOlQxocIsntJ1g8Z9cbs0n9Aa5nXNwY`
	TXT	`h1-domain-verification=RW2zqC5Bj38rfdBSmzPtCSS1TNKA3A9ECMCtd3PnLJ1FjkyF`
	TXT	`hubspot-developer-verification=MWI3OGJhN2ItZmEyNi00Y2YwLWFhY2ItNTk1MjY0ZGNjNDk4`
	TXT	`v=spf1 ip4:72.55.140.81 ip4:208.117.49.186 include:_spf.kernel.org include:_s...`
	TXT	`9484b892358a64444745dd08fa0ab81b`
	TXT	`D4A3BBDF34`
	TXT	`ZOOM_verify_p8ePICiOQgaSJHn-6yQBPg`
	TXT	`anthropic-domain-verification-sq0ey1=XppeaJedG8KD2nK8ldjCeokcn`
	TXT	`google-site-verification=ePAjH3vCphIY2_rgMHImyk1COdKj1vawgxFn7V_TMGc`
	TXT	`segment-site-verification=yPsODPJsnI9Rrj0xOCoR0yWIEaZqYfcN`
	TXT	`sprout-social-8e0eec3a-98cb-4149-8898-17ecfd1bf5bf`
	SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1557514384

WOT: SAFE (96/100)
rank #2381 globally
rank #295 in the tld
WOT: SAFE (96/100)
📈 Tranco rank: #10,327

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DNS History

1 record (1 active, 0 former)

●CNAMElinuxfoundation-cd-iaeoct8i5ycjwoc3.edge.tenants.auth0.com2026-03-04 → 2026-05-10 · 2 obs

● 2026-03-04 11:32:44
● 2026-05-10 10:51:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
linuxfoundation.org	ns3.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple-edge.net, ns4.dnsimple-edge.org	2 records

✅ Authoritative Response

Server:199.247.153.53

NS records: ns3.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple-edge.net, ns4.dnsimple-edge.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxfoundation.org (unsigned zone)

⏱️ Timing

Total: 949ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`linuxfoundation-cd-iaeoct8i5ycjwoc3.edge`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns4.dnsimple-edge.org, ns4.dnsimple-edge.org)

Analysis

IP Addresses

sso.linuxfoundation.org resolves to four IP numbers: 2606:4700:4403::ac40:96ee, 2a06:98c1:3101::6812:2512, 104.18.37.18 and 172.64.150.238.

Other host names such as blackbaudinc-cd-yenhnoxav5phnylz.edge.tenants.auth0.com, luminate.auth0.com, clipchamp.auth0.com, tenantsalicia.auth0.com and devpassport.auth0.com share IPs with sso.linuxfoundation.org.

sso.linuxfoundation.org - robtex.com