stacknstudy.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stacknstudy.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	`dns1.p04.nsone.net`
		A	2620:4d:4000:6259:7:4:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p04.nsone.net`
		A	198.51.44.4^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p04.nsone.net`
NS	`dns2.p04.nsone.net`
		A	2a00:edc0:6259:7:4::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p04.nsone.net`
		A	198.51.45.4^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p04.nsone.net`
NS	`dns3.p04.nsone.net`
		A	2620:4d:4000:6259:7:4:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p04.nsone.net`
		A	198.51.44.68^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p04.nsone.net`
NS	`dns4.p04.nsone.net`
		A	2a00:edc0:6259:7:4::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p04.nsone.net`
		A	198.51.45.68^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p04.nsone.net`
MX	`mailcluster.loopia.se` ⭐
		A	2a02:250:0:48::11^{🇸🇪 LOOPIA2a02:250::/33}
			PTR	`mailfront1.mailcluster.loopia.se`
		A	2a02:250:0:48::12^{🇸🇪 LOOPIA2a02:250::/33}
			PTR	`mailfront2.mailcluster.loopia.se`
		A	2a02:250:0:48::13^{🇸🇪 LOOPIA2a02:250::/33}
			PTR	`mailfront3.mailcluster.loopia.se`
		A	2a02:250:0:48::14^{🇸🇪 LOOPIA2a02:250::/33}
			PTR	`mailfront4.mailcluster.loopia.se`
		A	93.188.3.11^{🇸🇪 LOOPIA93.188.2.0/23 SE-LOOPIA}
			PTR	`mailfront1.mailcluster.loopia.se`
		A	93.188.3.12^{🇸🇪 LOOPIA93.188.2.0/23 SE-LOOPIA}
			PTR	`mailfront2.mailcluster.loopia.se`
		A	93.188.3.13^{🇸🇪 LOOPIA93.188.2.0/23 SE-LOOPIA}
			PTR	`mailfront3.mailcluster.loopia.se`
		A	93.188.3.14^{🇸🇪 LOOPIA93.188.2.0/23 SE-LOOPIA}
			PTR	`mailfront4.mailcluster.loopia.se`
MX	`mail2.loopia.se`⁽²⁰⁾
		A	93.188.3.11^{🇸🇪 LOOPIA93.188.2.0/23 SE-LOOPIA}
			PTR	`mailfront1.mailcluster.loopia.se`
		A	93.188.3.12^{🇸🇪 LOOPIA93.188.2.0/23 SE-LOOPIA}
			PTR	`mailfront2.mailcluster.loopia.se`
		A	93.188.3.13^{🇸🇪 LOOPIA93.188.2.0/23 SE-LOOPIA}
			PTR	`mailfront3.mailcluster.loopia.se`
		A	93.188.3.14^{🇸🇪 LOOPIA93.188.2.0/23 SE-LOOPIA}
			PTR	`mailfront4.mailcluster.loopia.se`
TXT	`"v=spf1 include:spf.loopia.se -all"`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1764043661

`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=1790333159

Same first word

stacknstudy.com

Previous names

Next names

DNS History

11 records (9 active, 2 former)

●NSdns1.p01.nsone.net2026-09-23 → 2026-09-25 · 2 obs

● 2026-09-23 04:08:10
● 2026-09-25 10:57:54

●NSdns1.p04.nsone.net2026-09-23 → 2026-09-25 · 2 obs

● 2026-09-23 04:08:10
● 2026-09-25 10:57:54

●NSdns2.p04.nsone.net2026-09-23 → 2026-09-25 · 2 obs

● 2026-09-23 04:08:10
● 2026-09-25 10:57:54

●NSdns3.p04.nsone.net2026-09-23 → 2026-09-25 · 2 obs

● 2026-09-23 04:08:10
● 2026-09-25 10:57:54

●NSdns4.p04.nsone.net2026-09-23 → 2026-09-25 · 2 obs

● 2026-09-23 04:08:10
● 2026-09-25 10:57:54

●MXmail2.loopia.se2026-09-23 → 2026-09-25 · 2 obs

● 2026-09-23 04:08:10
● 2026-09-25 10:57:54

●MXmailcluster.loopia.se2026-09-23 → 2026-09-25 · 2 obs

● 2026-09-23 04:08:10
● 2026-09-25 10:57:54

●A18.208.88.1572026-09-25 → 2026-09-25 · 3 obs

○ 2026-09-23 04:08:10
● 2026-09-25 10:13:56
● 2026-09-25 10:57:54

○A35.157.26.1352026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 04:08:10
○ 2026-09-25 10:13:56
○ 2026-09-25 10:57:54

○A63.176.8.2182026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 04:08:10
○ 2026-09-25 10:13:56
○ 2026-09-25 10:57:54

●A98.84.224.1112026-09-25 → 2026-09-25 · 3 obs

○ 2026-09-23 04:08:10
● 2026-09-25 10:13:56
● 2026-09-25 10:57:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
stacknstudy.com	dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net	-

✅ Authoritative Response

Server:198.51.44.4

NS records: dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacknstudy.com (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`18.208.88.157, 98.84.224.111`
NS	4	`dns1.p04.nsone.net, dns2.p04.nsone.net...`
MX	2	`mail2.loopia.se (pri: 20), mailcluster.loopia.se (pri: 10)`
TXT	1	`"v=spf1 include:spf.loopia.se -all"`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

IP Addresses

stacknstudy.com resolves to the IP addresses 18.208.88.157 and 98.84.224.111

genesamrt.com, krediview.com, grandfather(0x636f636b).com plus two other host names have IP numbers in common with stacknstudy.com.

Name Servers

Five name servers handle delegation for stacknstudy.com: dns1.p01.nsone.net, dns1.p04.nsone.net, dns2.p04.nsone.net and two others.

stacknstudy.com has at least partial name server overlap with other domains, such as imzishen.com, gerrinet.com, yoma-hebammen.ch and two others.

dns3.p04.nsone.net, dns4.p04.nsone.net and ns02.squarespacedns.com — plus 7 other name servers — are commonly paired with these name servers.

Host names pointing to two IP addresses:

dns1.p01.nsone.net maps to two IP addresses — 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns1.p04.nsone.net maps to two IP addresses — 198.51.44.4 and 2620:4d:4000:6259:7:4:0:1.

dns2.p04.nsone.net maps to two IP addresses — 198.51.45.4 and 2a00:edc0:6259:7:4::2.

dns3.p04.nsone.net maps to two IP addresses — 198.51.44.68 and 2620:4d:4000:6259:7:4:0:3.

dns4.p04.nsone.net maps to two IP addresses — 198.51.45.68 and 2a00:edc0:6259:7:4::4.

Mail Servers

stacknstudy.com uses two mail servers, mail2.loopia.se and mailcluster.loopia.se.

The mail server setup of stacknstudy.com matches that of other domains such as mtaprod.se, digitalnegativ.se, stadskvarnen.se and two others.

At least some of the mail servers used by stacknstudy.com are shared with other domains: ninjalaser.nu, sunderland.no, pingvin.nu and two others among them.

Hosts with 8 IP addresses each:

mailcluster.loopia.se carries IP addresses 93.188.3.11, 93.188.3.12 and 93.188.3.13, with 5 other addresses beyond those.

Host names with four IP addresses:

mail2.loopia.se has four IP addresses: 93.188.3.11, 93.188.3.12, 93.188.3.13 and 93.188.3.14.

These two host names — mailcluster.loopia.se and mail2.loopia.se — each point to 93.188.3.11 IP addresses.

These two host names — mailcluster.loopia.se and mail2.loopia.se — each point to 93.188.3.12 IP addresses.

These two host names — mailcluster.loopia.se and mail2.loopia.se — each point to 93.188.3.13 IP addresses.

These two host names — mailcluster.loopia.se and mail2.loopia.se — each point to 93.188.3.14 IP addresses.