c.linuxfoundation.org - dns.ninja

`c.linuxfoundation.org`

DNSSEC	⚠️ Not signed
NS	`ns-487.awsdns-60.com` ⭐
		A	2600:9000:5301:e700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-487.awsdns-60.com`
		A	205.251.193.231^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-487.awsdns-60.com`
NS	`ns-1344.awsdns-40.org`
		A	2600:9000:5305:4000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1344.awsdns-40.org`
		A	205.251.197.64^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1344.awsdns-40.org`
NS	`ns-1618.awsdns-10.co.uk`
		A	2600:9000:5306:5200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1618.awsdns-10.co.uk`
		A	205.251.198.82^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1618.awsdns-10.co.uk`
NS	`ns-850.awsdns-42.net`
		A	2600:9000:5303:5200::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-850.awsdns-42.net`
		A	205.251.195.82^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-850.awsdns-42.net`
SOA	`ns-487.awsdns-60.com`awsdns-hostmaster@amazon.com serial=1

`linuxfoundation.org`

	DNSSEC	⚠️ Not signed
	A	3.131.150.69^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
	NS	`ns1.dnsimple-edge.com` ⭐
	NS	`ns2.dnsimple-edge.net`
	NS	`ns3.dnsimple-edge.io`
	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`
	TXT	`stripe-verification=99841CCC5971ECDC6965C8A52A0D862E684E4316F712F6802ADFDA1FA...`
	SOA	`ns1.dnsimple-edge.com`admin@dnsimple.com serial=1557514706

WOT: SAFE (96/100)
rank #2220 globally
rank #277 in the tld
WOT: SAFE (96/100)
📈 Tranco rank: #8,870

Subdomains

p.c.linuxfoundation.org

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DNS History

4 records (4 active, 0 former)

●NSns-1344.awsdns-40.org2026-04-27 → 2026-08-09 · 2 obs

● 2026-04-27 09:23:38
● 2026-08-09 23:58:00

●NSns-1618.awsdns-10.co.uk2026-04-27 → 2026-08-09 · 2 obs

● 2026-04-27 09:23:38
● 2026-08-09 23:58:00

●NSns-487.awsdns-60.com2026-04-27 → 2026-08-09 · 2 obs

● 2026-04-27 09:23:38
● 2026-08-09 23:58:00

●NSns-850.awsdns-42.net2026-04-27 → 2026-08-09 · 2 obs

● 2026-04-27 09:23:38
● 2026-08-09 23:58:00

🔍 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-edge.io, ns4.dnsimple-edge.org, ns1.dnsimple-edge.com, ns2.dnsimple-edge.net	2 records
c.linuxfoundation.org	ns-1344.awsdns-40.org, ns-1618.awsdns-10.co.uk, ns-487.awsdns-60.com, ns-850.awsdns-42.net	-

✅ Authoritative Response

Server:205.251.193.231

NS records: ns-1344.awsdns-40.org, ns-1618.awsdns-10.co.uk, ns-487.awsdns-60.com, ns-850.awsdns-42.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxfoundation.org (unsigned zone)

⏱️ Timing

Total: 2095ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1344.awsdns-40.org, ns-1618.awsdns-10.co.uk...`
SOA	1	`ns-487.awsdns-60.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

c.linuxfoundation.org serves as the parent of p.c.linuxfoundation.org.

Name Servers

The authoritative name servers for c.linuxfoundation.org are ns-487.awsdns-60.com, ns-850.awsdns-42.net, ns-1344.awsdns-40.org and ns-1618.awsdns-10.co.uk.

c.linuxfoundation.org has at least partial name server overlap with other domains, such as d1c4rk9le5opln.cloudfront.net, client.alpha.social.games.a2z.com, technegize.com and two others.

These name servers tend to appear together with the name servers ns-296.awsdns-37.com, ns-537.awsdns-03.net and ns-1622.awsdns-10.co.uk.

ns-487.awsdns-60.com, ns-850.awsdns-42.net, ns-1344.awsdns-40.org and ns-1618.awsdns-10.co.uk all point to exactly two IP numbers each: ns-487.awsdns-60.com → 205.251.193.231 and 2600:9000:5301:e700::1; ns-850.awsdns-42.net → 205.251.195.82 and 2600:9000:5303:5200::1; ns-1344.awsdns-40.org → 205.251.197.64 and 2600:9000:5305:4000::1; ns-1618.awsdns-10.co.uk → 205.251.198.82 and 2600:9000:5306:5200::1.