`linux-foundation.com`

DNSSEC	⚠️ Not signed
A	3.131.150.69^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
		PTR	`ec2-3-131-150-69.us-east-2.compute.amazonaws.com`
NS	`ns1.dnsimple.com` ⭐
		A	2400:cb00:2049:1::a29f:1804^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.dnsimple.com`
		A	162.159.24.4^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dnsimple.com`
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple.com`
		A	2400:cb00:2049:1::a29f:1a04^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns3.dnsimple.com`
		A	162.159.26.4^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.dnsimple.com`
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
MX	`smtp1.linuxfoundation.org` ⭐
MX	`smtp2.linuxfoundation.org`⁽¹⁵⁾
TXT	`v=spf1 -all`
SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1557508498

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778340216

Same first word

linux-foundation.org

linux-foundation.net

linux-foundation.jp

linux-foundation.us

linux-foundation.cn

linux-foundation.com

linux-foundation.info

linux-foundation.biz

DNS History

13 records (7 active, 6 former)

○NSdns1.registrar-servers.com2017-02-06 → 2018-10-08 · 5 obs

○ 2016-03-27 21:17:56
● 2017-02-06 22:04:50
● 2018-10-08 02:29:44
○ 2026-02-24 02:38:10
○ 2026-05-09 15:40:00

○NSdns2.registrar-servers.com2017-02-06 → 2018-10-08 · 5 obs

○ 2016-03-27 21:17:56
● 2017-02-06 22:04:50
● 2018-10-08 02:29:44
○ 2026-02-24 02:38:10
○ 2026-05-09 15:40:00

●NSns1.dnsimple.com2026-02-24 → 2026-05-09 · 3 obs

○ 2018-10-08 02:29:44
● 2026-02-24 02:38:10
● 2026-05-09 15:40:00

○NSns1.linux-foundation.org2015-05-08 → 2016-03-27 · 4 obs

● 2015-05-08 07:02:28
● 2016-03-27 21:17:56
○ 2017-02-06 22:04:50
○ 2026-05-09 15:40:00

●NSns2.dnsimple-edge.net2026-02-24 → 2026-05-09 · 3 obs

○ 2018-10-08 02:29:44
● 2026-02-24 02:38:10
● 2026-05-09 15:40:00

○NSns2.linux-foundation.org2015-05-08 → 2016-03-27 · 4 obs

● 2015-05-08 07:02:28
● 2016-03-27 21:17:56
○ 2017-02-06 22:04:50
○ 2026-05-09 15:40:00

●NSns3.dnsimple.com2026-02-24 → 2026-05-09 · 3 obs

○ 2018-10-08 02:29:44
● 2026-02-24 02:38:10
● 2026-05-09 15:40:00

●NSns4.dnsimple-edge.org2026-02-24 → 2026-05-09 · 3 obs

○ 2018-10-08 02:29:44
● 2026-02-24 02:38:10
● 2026-05-09 15:40:00

●MXsmtp1.linuxfoundation.org2015-05-08 → 2026-05-09 · 2 obs

● 2015-05-08 07:02:28
● 2026-05-09 15:40:00

●MXsmtp2.linuxfoundation.org2015-05-08 → 2026-05-09 · 2 obs

● 2015-05-08 07:02:28
● 2026-05-09 15:40:00

○A140.211.169.42015-05-08 → 2017-02-06 · 4 obs

● 2015-05-08 07:02:28
● 2017-02-06 22:04:50
○ 2018-10-08 02:29:44
○ 2026-05-09 15:40:00

○A162.255.119.2192018-10-08 → 2018-10-08 · 4 obs

○ 2017-02-06 22:04:50
● 2018-10-08 02:29:44
○ 2026-02-24 02:38:10
○ 2026-05-09 15:40:00

●A3.131.150.692026-02-24 → 2026-05-09 · 3 obs

○ 2018-10-08 02:29:44
● 2026-02-24 02:38:10
● 2026-05-09 15:40:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
linux-foundation.com	ns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net	4 records

✅ Authoritative Response

Server:199.247.153.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux-foundation.com (unsigned zone)

⏱️ Timing

Total: 751ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.131.150.69`
NS	4	`ns1.dnsimple.com, ns2.dnsimple-edge.net...`
MX	2	`smtp1.linuxfoundation.org (pri: 10), smtp2.linuxfoundation.org (pri: 15)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.dnsimple.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dnsimple.com, ns1.dnsimple.com, ns3.dnsimple.com...)

Analysis

IP Addresses

linux-foundation.com resolves to one IP number: 3.131.150.69.

Other host names, for instance project-limelight.com, trialsinc.org, finncomms.com, blackbellapp.com and www.machineforest.com share IP numbers with linux-foundation.com.

Name Servers

linux-foundation.com delegates to four name servers: ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

linux-foundation.com at least partially shares name servers with other domains, including kenzai.me, villainstyle.com, joinit.com, ncwegypt.com and mattstauffer.co.

These name servers are often used with ns2.dnsimple.com and ns4.dnsimple.com.

Host names with two IP numbers: ns1.dnsimple.com points to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4; ns3.dnsimple.com points to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4; ns2.dnsimple-edge.net points to 2620:111:8005::53 and 199.247.153.53; ns4.dnsimple-edge.org points to 2620:111:8007::53 and 199.247.155.53.

Mail Servers

linux-foundation.com is served by two mail servers smtp1.linuxfoundation.org and smtp2.linuxfoundation.org.

linux-foundation.com shares the same mail server setup as other domains, for instance automotive-linux.com, tizenrsa.com, linuxfoundation.info, linuxprinting.org and dev.platform.linuxfoundation.org.

linux-foundation.com - robtex.com