linearprogramming.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linearprogramming.org`

DNSSEC	⚠️ Not signed
A	127.0.0.1
NS	208.91.197.91 ⭐
NS	`ns1.active-dns.com` ⚠️ Not in zone NS records
		A	162.251.82.122^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.122.reverse.myorderbox.com`
		A	162.251.82.123^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.123.reverse.myorderbox.com`
		A	162.251.82.250^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.250.reverse.myorderbox.com`
		A	162.251.82.251^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.251.reverse.myorderbox.com`
NS	`ns2.active-dns.com` ⚠️ Not in zone NS records
		A	162.251.82.120^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.120.reverse.myorderbox.com`
		A	162.251.82.121^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.121.reverse.myorderbox.com`
		A	162.251.82.248^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.248.reverse.myorderbox.com`
		A	162.251.82.249^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.249.reverse.myorderbox.com`
NS	`ns3.active-dns.com` ⚠️ Not in zone NS records
		A	162.251.82.118^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.118.reverse.myorderbox.com`
		A	162.251.82.119^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.119.reverse.myorderbox.com`
		A	162.251.82.246^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.246.reverse.myorderbox.com`
		A	162.251.82.247^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.247.reverse.myorderbox.com`
NS	`ns4.active-dns.com` ⚠️ Not in zone NS records
		A	162.251.82.124^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.124.reverse.myorderbox.com`
		A	162.251.82.125^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.125.reverse.myorderbox.com`
		A	162.251.82.252^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.252.reverse.myorderbox.com`
		A	162.251.82.253^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.253.reverse.myorderbox.com`
SOA	`208.91.197.91`hostmaster@linearprogramming.org serial=1794303852

`org`

	DNSSEC	⚠️ Not signed
	NS	`v0n0.pir-ns.org` ⭐
	NS	`b2.org.afilias-nst.org` ⚠️ Not in zone NS records
	NS	`d0.org.afilias-nst.org` ⚠️ Not in zone NS records
	NS	`v0n1.pir-ns.org`
	NS	`v0n2.pir-ns.org`
	NS	`v0n3.pir-ns.org` ⚠️ Not in parent delegation
	NS	`v2n0.pir-ns.org` ⚠️ Not in parent delegation
	NS	`v2n1.pir-ns.org` ⚠️ Not in parent delegation
	SOA	`v0n0.pir-ns.org`hostmaster@donuts.email serial=1794301969

Previously MX for

linearprogramming.org

Same first word

linearprogramming.com.ph

linearprogramming.com

linearprogramming.org

Similar names

ilearnprogramming.com

Previous names

Next names

DNS History

10 records (6 active, 4 former)

●NS208.91.197.912026-08-19 → 2026-11-10 · 3 obs

○ 2018-09-16 16:17:24
● 2026-08-19 23:16:38
● 2026-11-10 09:44:16

●NSns1.active-dns.com2026-08-19 → 2026-11-10 · 3 obs

○ 2018-09-16 16:17:24
● 2026-08-19 23:16:38
● 2026-11-10 09:44:16

○NSns1.bluehost.com2015-07-25 → 2018-09-16 · 4 obs

● 2015-07-25 05:09:36
● 2018-09-16 16:17:24
○ 2026-08-19 23:16:38
○ 2026-11-10 09:44:16

●NSns2.active-dns.com2026-08-19 → 2026-11-10 · 3 obs

○ 2018-09-16 16:17:24
● 2026-08-19 23:16:38
● 2026-11-10 09:44:16

○NSns2.bluehost.com2015-07-25 → 2018-09-16 · 4 obs

● 2015-07-25 05:09:36
● 2018-09-16 16:17:24
○ 2026-08-19 23:16:38
○ 2026-11-10 09:44:16

●NSns3.active-dns.com2026-08-19 → 2026-11-10 · 3 obs

○ 2018-09-16 16:17:24
● 2026-08-19 23:16:38
● 2026-11-10 09:44:16

●NSns4.active-dns.com2026-08-19 → 2026-11-10 · 3 obs

○ 2018-09-16 16:17:24
● 2026-08-19 23:16:38
● 2026-11-10 09:44:16

○MXlinearprogramming.org2015-07-25 → 2018-09-16 · 4 obs

● 2015-07-25 05:09:36
● 2018-09-16 16:17:24
○ 2026-08-19 23:16:38
○ 2026-11-10 09:44:16

●A127.0.0.12026-08-19 → 2026-11-10 · 3 obs

○ 2018-09-16 16:17:24
● 2026-08-19 23:16:38
● 2026-11-10 09:44:16

○A50.87.180.1652015-07-25 → 2018-09-16 · 4 obs

● 2015-07-25 05:09:36
● 2018-09-16 16:17:24
○ 2026-08-19 23:16:38
○ 2026-11-10 09:44:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, v0n0.pir-ns.org, v0n1.pir-ns.org...	-
linearprogramming.org	ns4.active-dns.com, ns3.active-dns.com, ns1.active-dns.com, ns2.active-dns.com	-

✅ Authoritative Response

Server:162.251.82.124

NS records: ns4.active-dns.com, ns3.active-dns.com, ns1.active-dns.com, ns2.active-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linearprogramming.org (unsigned zone)

⏱️ Timing

Total: 899ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
SOA	1	`208.91.197.91 hostmaster.linearprogrammi`

Analysis

IP Addresses

linearprogramming.org has exactly one IP address — 127.0.0.1.

ermtare.do.am, 1954dny.app, 12.71.22.static.quadranet.com plus two other host names have IP numbers in common with linearprogramming.org.

Name Servers

Five name servers handle delegation for linearprogramming.org: ns1.active-dns.com, ns2.active-dns.com, ns3.active-dns.com and two others.

linearprogramming.org shares at least some of its name servers with other domains, including naturalmatriarch.com, flyjazira.online, gysle.com and two others.

These name servers are frequently seen alongside ns4.active-dns.com, 208.91.197.91, ns1.whois.com and 7 other name servers.

Each hostname ns1.active-dns.com, ns2.active-dns.com, ns3.active-dns.com and ns4.active-dns.com has four IP addresses: ns1.active-dns.com has 162.251.82.122, 162.251.82.123, 162.251.82.250 and 162.251.82.251; ns2.active-dns.com has 162.251.82.120, 162.251.82.121, 162.251.82.248 and 162.251.82.249; ns3.active-dns.com has 162.251.82.118, 162.251.82.119, 162.251.82.246 and 162.251.82.247; ns4.active-dns.com has 162.251.82.124, 162.251.82.125, 162.251.82.252 and 162.251.82.253.