linuxmark.org - dns.ninja

`linuxmark.org`

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-edge.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
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-edge.io`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
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	`google-site-verification=7FJr7oU0N1aUTVSQYWGeJojYy7HrnohEUr-0bhYfAUg`
TXT	`v=spf1 -all`
SOA	`ns1.dnsimple-edge.com`admin@dnsimple.com serial=1557508448

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1782554884

WOT: SAFE (97/100)

Subdomains

www.linuxmark.org

Same first word

linuxmark.com

linuxmark.org

Similar names

linuxkram.de

marklinux.com

DNS History

15 records (7 active, 8 former)

●NSns1.dnsimple-edge.com2026-05-18 → 2026-06-27 · 3 obs

○ 2026-04-15 05:25:38
● 2026-05-18 05:09:58
● 2026-06-27 10:31:18

○NSns1.dnsimple.com2026-03-29 → 2026-04-15 · 5 obs

○ 2017-03-29 05:59:08
● 2026-03-29 15:48:14
● 2026-04-15 05:25:38
○ 2026-05-18 05:09:58
○ 2026-06-27 10:31:18

○NSns1.linux-foundation.org2015-08-18 → 2016-07-10 · 4 obs

● 2015-08-18 11:27:22
● 2016-07-10 09:10:02
○ 2017-03-29 05:59:08
○ 2026-06-27 10:31:18

●NSns2.dnsimple-edge.net2026-03-29 → 2026-06-27 · 3 obs

○ 2017-03-29 05:59:08
● 2026-03-29 15:48:14
● 2026-06-27 10:31:18

○NSns2.linux-foundation.org2015-08-18 → 2016-07-10 · 4 obs

● 2015-08-18 11:27:22
● 2016-07-10 09:10:02
○ 2017-03-29 05:59:08
○ 2026-06-27 10:31:18

●NSns3.dnsimple-edge.io2026-05-18 → 2026-06-27 · 3 obs

○ 2026-04-15 05:25:38
● 2026-05-18 05:09:58
● 2026-06-27 10:31:18

○NSns3.dnsimple.com2026-03-29 → 2026-04-15 · 5 obs

○ 2017-03-29 05:59:08
● 2026-03-29 15:48:14
● 2026-04-15 05:25:38
○ 2026-05-18 05:09:58
○ 2026-06-27 10:31:18

○NSns39.worldnic.com2017-03-29 → 2017-03-29 · 4 obs

○ 2016-07-10 09:10:02
● 2017-03-29 05:59:08
○ 2026-03-29 15:48:14
○ 2026-06-27 10:31:18

●NSns4.dnsimple-edge.org2026-03-29 → 2026-06-27 · 3 obs

○ 2017-03-29 05:59:08
● 2026-03-29 15:48:14
● 2026-06-27 10:31:18

○NSns40.worldnic.com2017-03-29 → 2017-03-29 · 4 obs

○ 2016-07-10 09:10:02
● 2017-03-29 05:59:08
○ 2026-03-29 15:48:14
○ 2026-06-27 10:31:18

●MXsmtp1.linuxfoundation.org2015-08-18 → 2026-06-27 · 5 obs

● 2015-08-18 11:27:22
● 2016-07-10 09:10:02
○ 2017-03-29 05:59:08
● 2026-03-29 15:48:14
● 2026-06-27 10:31:18

●MXsmtp2.linuxfoundation.org2015-08-18 → 2026-06-27 · 5 obs

● 2015-08-18 11:27:22
● 2016-07-10 09:10:02
○ 2017-03-29 05:59:08
● 2026-03-29 15:48:14
● 2026-06-27 10:31:18

○A140.211.169.42015-08-18 → 2016-07-10 · 4 obs

● 2015-08-18 11:27:22
● 2016-07-10 09:10:02
○ 2017-03-29 05:59:08
○ 2026-06-27 10:31:18

○A172.98.94.1472017-03-29 → 2017-03-29 · 4 obs

○ 2016-07-10 09:10:02
● 2017-03-29 05:59:08
○ 2026-03-29 15:48:14
○ 2026-06-27 10:31:18

●A3.131.150.692026-03-29 → 2026-06-27 · 3 obs

○ 2017-03-29 05:59:08
● 2026-03-29 15:48:14
● 2026-06-27 10:31:18

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:199.247.152.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxmark.org (unsigned zone)

⏱️ Timing

Total: 2656ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.131.150.69`
NS	4	`ns1.dnsimple-edge.com, ns2.dnsimple-edge.net...`
MX	2	`smtp1.linuxfoundation.org (pri: 10), smtp2.linuxfoundation.org (pri: 15)`
TXT	2	`google-site-verification=7FJr7oU0N1aUTVS, v=spf1 -all`
SOA	1	`ns1.dnsimple-edge.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

The domain www.linuxmark.org falls under the parent linuxmark.org.

IP Addresses

linuxmark.org resolves to just one IP address, 3.131.150.69.

Two other host names, along with cityspotters.com, rejseplanen.org and www.watchville.co, also share IP numbers with linuxmark.org.

Name Servers

The NS records for linuxmark.org point to four name servers: ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

At least some of linuxmark.org's name servers are shared with other domains, for example lokalevenner.com, musephoenix.com, maticinsurance.com and two more.

These name servers tend to be deployed in combination with the name servers ns1.dnsimple.com and ns3.dnsimple.com.

Four hostnames, each resolving to a pair of IP addresses: ns1.dnsimple-edge.com directs to 199.247.152.53 and 2620:111:8004::53; ns3.dnsimple-edge.io directs to 199.247.154.53 and 2620:111:8006::53; ns2.dnsimple-edge.net directs to 199.247.153.53 and 2620:111:8005::53; ns4.dnsimple-edge.org directs to 199.247.155.53 and 2620:111:8007::53.

Mail Servers

linuxmark.org is served by two mail servers, smtp1.linuxfoundation.org and smtp2.linuxfoundation.org.

Among the domains sharing a mail server setup with linuxmark.org are embeddedlinuxconference.com, tizenrsa.org, alljoyn.com and two others.