🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackcourses.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns2.afternic.com` ⭐
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`ns1.afternic.com`
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
TXT	`v=spf1 -all`
SOA	`ns2.afternic.com`dns@jomax.net serial=1

`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=1787906855

Same first word

stackcourses.com

Previous names

Next names

DNS History

10 records (5 active, 5 former)

●NSns1.afternic.com2026-08-20 → 2026-08-28 · 3 obs

○ 2017-09-05 22:22:44
● 2026-08-20 03:47:34
● 2026-08-28 09:01:08

●NSns2.afternic.com2026-08-20 → 2026-08-28 · 3 obs

○ 2017-09-05 22:22:44
● 2026-08-20 03:47:34
● 2026-08-28 09:01:08

○NSns35.domaincontrol.com2016-12-14 → 2017-09-05 · 4 obs

● 2016-12-14 02:54:50
● 2017-09-05 22:22:44
○ 2026-08-20 03:47:34
○ 2026-08-28 09:01:08

○NSns36.domaincontrol.com2016-12-14 → 2017-09-05 · 4 obs

● 2016-12-14 02:54:50
● 2017-09-05 22:22:44
○ 2026-08-20 03:47:34
○ 2026-08-28 09:01:08

●NSverification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn2026-08-20 → 2026-08-28 · 3 obs

○ 2017-09-05 22:22:44
● 2026-08-20 03:47:34
● 2026-08-28 09:01:08

○MXmailstore1.secureserver.net2016-12-14 → 2017-09-05 · 4 obs

● 2016-12-14 02:54:50
● 2017-09-05 22:22:44
○ 2026-08-20 03:47:34
○ 2026-08-28 09:01:08

○MXsmtp.secureserver.net2016-12-14 → 2017-09-05 · 4 obs

● 2016-12-14 02:54:50
● 2017-09-05 22:22:44
○ 2026-08-20 03:47:34
○ 2026-08-28 09:01:08

●A13.248.169.482026-08-20 → 2026-08-28 · 5 obs

○ 2017-09-05 22:22:44
● 2026-08-20 03:47:34
○ 2026-08-28 01:00:34
● 2026-08-28 09:01:06
● 2026-08-28 09:01:08

○A35.162.44.1352016-12-14 → 2017-09-05 · 4 obs

● 2016-12-14 02:54:50
● 2017-09-05 22:22:44
○ 2026-08-20 03:47:34
○ 2026-08-28 09:01:08

●A76.223.54.1462026-08-20 → 2026-08-28 · 5 obs

○ 2017-09-05 22:22:44
● 2026-08-20 03:47:34
○ 2026-08-28 01:00:34
● 2026-08-28 09:01:06
● 2026-08-28 09:01:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
stackcourses.com	ns1.afternic.com, ns2.afternic.com, verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn	4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com, verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackcourses.com (unsigned zone)

⏱️ Timing

Total: 4628ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

stackcourses.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146

Among the host names that share IP numbers with stackcourses.com are nftboldness.xyz, www.klasix.com, mail.doxx.co and two others.

Name Servers

Three name servers are authoritative for stackcourses.com: ns1.afternic.com, ns2.afternic.com and verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn.

stackcourses.com has at least partial name server overlap with other domains, such as figwasps.com, whitesandexperience.com, wamaru.com and two others.

It is common to find these name servers paired with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.

ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45. ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45. verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn resolves to 13.248.169.48 and 76.223.54.146. All three hostnames point to two IP numbers each.

stackcourses.com - robtex.com