🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programmingalgorithms.com`

DNSSEC	⚠️ Not signed
A	18.208.88.157^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-208-88-157.compute-1.amazonaws.com`
A	98.84.224.111^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p01.nsone.net`
NS	`dns2.p01.nsone.net`
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p01.nsone.net`
NS	`dns3.p01.nsone.net`
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p01.nsone.net`
NS	`dns4.p01.nsone.net`
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p01.nsone.net`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1663257273

`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=1788738168

Same first word

programmingalgorithms.com

Previous names

Next names

DNS History

12 records (6 active, 6 former)

●NSdns1.p01.nsone.net2026-09-03 → 2026-09-07 · 3 obs

○ 2017-04-20 17:52:20
● 2026-09-03 11:33:14
● 2026-09-07 00:08:16

●NSdns2.p01.nsone.net2026-09-03 → 2026-09-07 · 3 obs

○ 2017-04-20 17:52:20
● 2026-09-03 11:33:14
● 2026-09-07 00:08:16

●NSdns3.p01.nsone.net2026-09-03 → 2026-09-07 · 3 obs

○ 2017-04-20 17:52:20
● 2026-09-03 11:33:14
● 2026-09-07 00:08:16

●NSdns4.p01.nsone.net2026-09-03 → 2026-09-07 · 3 obs

○ 2017-04-20 17:52:20
● 2026-09-03 11:33:14
● 2026-09-07 00:08:16

○NSpdns07.domaincontrol.com2015-12-19 → 2017-04-20 · 4 obs

● 2015-12-19 04:19:20
● 2017-04-20 17:52:20
○ 2026-09-03 11:33:14
○ 2026-09-07 00:08:16

○NSpdns08.domaincontrol.com2015-12-19 → 2017-04-20 · 4 obs

● 2015-12-19 04:19:20
● 2017-04-20 17:52:20
○ 2026-09-03 11:33:14
○ 2026-09-07 00:08:16

○MXmail.programmingalgorithms.com2015-12-19 → 2017-04-20 · 4 obs

● 2015-12-19 04:19:20
● 2017-04-20 17:52:20
○ 2026-09-03 11:33:14
○ 2026-09-07 00:08:16

○A166.62.28.1372015-12-19 → 2017-04-20 · 4 obs

● 2015-12-19 04:19:20
● 2017-04-20 17:52:20
○ 2026-09-03 11:33:14
○ 2026-09-07 00:08:16

●A18.208.88.1572026-09-04 → 2026-09-07 · 3 obs

○ 2026-09-03 11:33:14
● 2026-09-04 11:08:36
● 2026-09-07 00:08:16

○A35.157.26.1352026-09-03 → 2026-09-03 · 4 obs

○ 2017-04-20 17:52:20
● 2026-09-03 11:33:14
○ 2026-09-04 11:08:36
○ 2026-09-07 00:08:16

○A63.176.8.2182026-09-03 → 2026-09-03 · 4 obs

○ 2017-04-20 17:52:20
● 2026-09-03 11:33:14
○ 2026-09-04 11:08:36
○ 2026-09-07 00:08:16

●A98.84.224.1112026-09-04 → 2026-09-07 · 3 obs

○ 2026-09-03 11:33:14
● 2026-09-04 11:08:36
● 2026-09-07 00:08:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
programmingalgorithms.com	dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net	-

✅ Authoritative Response

Server:198.51.45.1

NS records: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programmingalgorithms.com (unsigned zone)

⏱️ Timing

Total: 654ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`98.84.224.111, 18.208.88.157`
NS	4	`dns1.p01.nsone.net, dns2.p01.nsone.net...`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

IP Addresses

programmingalgorithms.com directs to two IP numbers, 18.208.88.157 and 98.84.224.111

guu.moe, ntn.gov.ng, lionelvoirol.com and two other host names share IP numbers with programmingalgorithms.com.

Name Servers

The authoritative name servers for programmingalgorithms.com are dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net.

programmingalgorithms.com partially shares its NS delegation with several other domains, including ianinfo.com, sikdesigns.com, polished-presentations.com and two others.

In DNS configurations, these name servers often share authority with ns01.squarespacedns.com, ns02.squarespacedns.com, ns04.squarespacedns.com and 7 other name servers.

dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net each carry two IP addresses. dns1.p01.nsone.net has 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1; dns2.p01.nsone.net has 198.51.45.1 and 2a00:edc0:6259:7:1::2; dns3.p01.nsone.net has 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3; dns4.p01.nsone.net has 198.51.45.65 and 2a00:edc0:6259:7:1::4.

programmingalgorithms.com - robtex.com