`coursesignals.net`

DNSSEC	⚠️ Not signed
NS	`ns-832.awsdns-40.net` ⭐
		A	2600:9000:5303:4000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-832.awsdns-40.net`
		A	205.251.195.64^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-832.awsdns-40.net`
NS	`ns-1189.awsdns-20.org`
		A	2600:9000:5304:a500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1189.awsdns-20.org`
		A	205.251.196.165^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1189.awsdns-20.org`
NS	`ns-1913.awsdns-47.co.uk`
		A	2600:9000:5307:7900::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1913.awsdns-47.co.uk`
		A	205.251.199.121^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1913.awsdns-47.co.uk`
NS	`ns-445.awsdns-55.com`
		A	2600:9000:5301:bd00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-445.awsdns-55.com`
		A	205.251.193.189^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-445.awsdns-55.com`
TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all`
SOA	`ns-832.awsdns-40.net`awsdns-hostmaster@amazon.com serial=1

`net`

	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=1785140782

Same first word

coursesignals.net

coursesignals.com

Similar names

closingsareus.com

DNS History

4 records (4 active, 0 former)

●NSns-1189.awsdns-20.org2026-07-22 → 2026-07-27 · 2 obs

● 2026-07-22 17:34:24
● 2026-07-27 08:47:20

●NSns-1913.awsdns-47.co.uk2026-07-22 → 2026-07-27 · 2 obs

● 2026-07-22 17:34:24
● 2026-07-27 08:47:20

●NSns-445.awsdns-55.com2026-07-22 → 2026-07-27 · 2 obs

● 2026-07-22 17:34:24
● 2026-07-27 08:47:20

●NSns-832.awsdns-40.net2026-07-22 → 2026-07-27 · 2 obs

● 2026-07-22 17:34:24
● 2026-07-27 08:47:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coursesignals.net	ns-445.awsdns-55.com, ns-832.awsdns-40.net, ns-1189.awsdns-20.org, ns-1913.awsdns-47.co.uk	2 records

✅ Authoritative Response

Server:205.251.193.189

NS records: ns-445.awsdns-55.com, ns-832.awsdns-40.net, ns-1189.awsdns-20.org, ns-1913.awsdns-47.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursesignals.net (unsigned zone)

⏱️ Timing

Total: 296ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1189.awsdns-20.org, ns-1913.awsdns-47.co.uk...`
TXT	1	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.p`
SOA	1	`ns-832.awsdns-40.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-832.awsdns-40.net, ns-832.awsdns-40.net)

Analysis

Name Servers

The authoritative name servers for coursesignals.net are ns-445.awsdns-55.com, ns-832.awsdns-40.net, ns-1189.awsdns-20.org and ns-1913.awsdns-47.co.uk.

coursesignals.net shares at least some of its name servers with other domains, including aplospay.com, ussa.org, tnaut.com and two others.

These name servers are frequently seen alongside the name servers ns-26.awsdns-03.com.

The host names ns-445.awsdns-55.com, ns-832.awsdns-40.net, ns-1189.awsdns-20.org and ns-1913.awsdns-47.co.uk each resolve to two IP addresses: ns-445.awsdns-55.com resolves to 205.251.193.189 and 2600:9000:5301:bd00::1; ns-832.awsdns-40.net resolves to 205.251.195.64 and 2600:9000:5303:4000::1; ns-1189.awsdns-20.org resolves to 205.251.196.165 and 2600:9000:5304:a500::1; ns-1913.awsdns-47.co.uk resolves to 205.251.199.121 and 2600:9000:5307:7900::1.

coursesignals.net - robtex.com