linearprogramming.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linearprogramming.com`

DNSSEC	⚠️ Not signed
A	45.55.124.52^{🇺🇸 DIGITALOCEAN45.55.124.0/22 DigitalOcean}
NS	`ns4.active-dns.com` ⭐
		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`
NS	`ns1.active-dns.com`
		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`
		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`
		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`
MX	`us2.mx1.mailhostbox.com` ⭐
		A	162.215.3.26^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-26.unifiedlayer.com`
MX	`us2.mx2.mailhostbox.com` ⭐
		A	162.215.2.27^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-2-27.unifiedlayer.com`
MX	`us2.mx3.mailhostbox.com` ⭐
		A	162.215.3.25^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-25.unifiedlayer.com`
TXT	`v=spf1 redirect=_spf.mailhostbox.com`
SOA	`ns4.active-dns.com`niksah@gmail.com 2025-03-16 #3

`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=1794302211

Same first word

linearprogramming.com.ph

linearprogramming.com

linearprogramming.org

Similar names

ilearnprogramming.com

Previous names

Next names

DNS History

17 records (8 active, 9 former)

○NSbuy.internettraffic.com2015-05-24 → 2016-04-08 · 4 obs

● 2015-05-24 12:24:54
● 2016-04-08 11:43:38
○ 2017-05-20 18:49:48
○ 2026-11-10 09:22:36

●NSns1.active-dns.com2026-08-31 → 2026-11-10 · 3 obs

○ 2017-05-20 18:49:48
● 2026-08-31 14:32:16
● 2026-11-10 09:22:36

○NSns1.bluehost.com2017-05-20 → 2017-05-20 · 4 obs

○ 2016-04-08 11:43:38
● 2017-05-20 18:49:48
○ 2026-08-31 14:32:16
○ 2026-11-10 09:22:36

●NSns2.active-dns.com2026-08-31 → 2026-11-10 · 3 obs

○ 2017-05-20 18:49:48
● 2026-08-31 14:32:16
● 2026-11-10 09:22:36

○NSns2.bluehost.com2017-05-20 → 2017-05-20 · 4 obs

○ 2016-04-08 11:43:38
● 2017-05-20 18:49:48
○ 2026-08-31 14:32:16
○ 2026-11-10 09:22:36

●NSns3.active-dns.com2026-08-31 → 2026-11-10 · 3 obs

○ 2017-05-20 18:49:48
● 2026-08-31 14:32:16
● 2026-11-10 09:22:36

●NSns4.active-dns.com2026-08-31 → 2026-11-10 · 3 obs

○ 2017-05-20 18:49:48
● 2026-08-31 14:32:16
● 2026-11-10 09:22:36

○NSsell.internettraffic.com2015-05-24 → 2016-04-08 · 4 obs

● 2015-05-24 12:24:54
● 2016-04-08 11:43:38
○ 2017-05-20 18:49:48
○ 2026-11-10 09:22:36

○MXmail.b-io.co2016-09-15 → 2016-09-15 · 3 obs

● 2016-09-15 03:25:44
○ 2017-05-20 18:49:48
○ 2026-11-10 09:22:36

○MXmail.linearprogramming.com2017-05-20 → 2017-05-20 · 4 obs

○ 2016-09-15 03:25:44
● 2017-05-20 18:49:48
○ 2026-08-31 14:32:16
○ 2026-11-10 09:22:36

●MXus2.mx1.mailhostbox.com2026-08-31 → 2026-11-10 · 3 obs

○ 2017-05-20 18:49:48
● 2026-08-31 14:32:16
● 2026-11-10 09:22:36

●MXus2.mx2.mailhostbox.com2026-08-31 → 2026-11-10 · 3 obs

○ 2017-05-20 18:49:48
● 2026-08-31 14:32:16
● 2026-11-10 09:22:36

●MXus2.mx3.mailhostbox.com2026-08-31 → 2026-11-10 · 3 obs

○ 2017-05-20 18:49:48
● 2026-08-31 14:32:16
● 2026-11-10 09:22:36

○A208.91.197.1322016-09-15 → 2016-09-15 · 4 obs

○ 2016-04-08 11:43:38
● 2016-09-15 03:25:44
○ 2017-05-20 18:49:48
○ 2026-11-10 09:22:36

●A45.55.124.522026-08-31 → 2026-11-10 · 3 obs

○ 2017-05-20 18:49:48
● 2026-08-31 14:32:16
● 2026-11-10 09:22:36

○A50.87.180.1652017-05-20 → 2017-05-20 · 4 obs

○ 2016-09-15 03:25:44
● 2017-05-20 18:49:48
○ 2026-08-31 14:32:16
○ 2026-11-10 09:22:36

○A69.172.201.2082015-05-24 → 2016-04-08 · 4 obs

● 2015-05-24 12:24:54
● 2016-04-08 11:43:38
○ 2016-09-15 03:25:44
○ 2026-11-10 09:22:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
linearprogramming.com	ns1.active-dns.com, ns2.active-dns.com, ns3.active-dns.com, ns4.active-dns.com	16 records

✅ Authoritative Response

Server:162.251.82.122

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linearprogramming.com (unsigned zone)

⏱️ Timing

Total: 519ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.55.124.52`
NS	4	`ns2.active-dns.com, ns4.active-dns.com...`
MX	3	`us2.mx1.mailhostbox.com (pri: 100), us2.mx2.mailhostbox.com (pri: 100)...`
TXT	1	`v=spf1 redirect=_spf.mailhostbox.com`
SOA	1	`ns4.active-dns.com niksah.gmail.com`

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (ns1.active-dns.com, ns1.active-dns.com, ns1.active-dns.com...)

Analysis

IP Addresses

linearprogramming.com has exactly one IP address — 45.55.124.52.

globallyoptimize.com, gnosispress.com, theoptimizers.com plus two other host names have IP numbers in common with linearprogramming.com.

Name Servers

Four name servers handle the delegation for linearprogramming.com: ns1.active-dns.com, ns2.active-dns.com, ns3.active-dns.com and ns4.active-dns.com.

linearprogramming.com partially shares its NS delegation with several other domains, including ulysses-group.com, flexivider.com, liveonlionheart.com and two others.

These name servers often co-occur with the name servers 208.91.197.91.

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

Mail Servers

linearprogramming.com uses three mail servers — us2.mx1.mailhostbox.com, us2.mx2.mailhostbox.com and us2.mx3.mailhostbox.com.

At least some of the mail servers used by linearprogramming.com are shared with other domains: indraprasthdynamics.com, nickytritton.co.uk, kphstore.com and two others among them.

It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

us2.mx1.mailhostbox.com has IP address 162.215.3.26, us2.mx2.mailhostbox.com has IP address 162.215.2.27 and us2.mx3.mailhostbox.com has IP address 162.215.3.25 — one address each.