`courseglimpser.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d975^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:4e45^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.69^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.117^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eva.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a72^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c072^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eva.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2072^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eva.ns.cloudflare.com`
		A	108.162.192.114^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	172.64.32.114^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	173.245.58.114^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
NS	`osmar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`osmar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`osmar.ns.cloudflare.com`
		A	108.162.195.124^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	162.159.44.124^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	172.64.35.124^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.69, 172.67.217.117
		IPv6 hints	2606:4700:3032::ac43:d975, 2606:4700:3034::6815:4e45
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOA	`eva.ns.cloudflare.com`dns@cloudflare.com serial=2401309107

`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=1776021732

⚠️ On DNS blocklist: tif

Same first word

courseglimpser.com

DNS History

6 records (6 active, 0 former)

●NSeva.ns.cloudflare.com2026-04-04 → 2026-04-12 · 2 obs

● 2026-04-04 11:05:50
● 2026-04-12 19:49:14

●NSosmar.ns.cloudflare.com2026-04-04 → 2026-04-12 · 2 obs

● 2026-04-04 11:05:50
● 2026-04-12 19:49:14

●A104.21.78.692026-04-04 → 2026-04-12 · 2 obs

● 2026-04-04 11:05:50
● 2026-04-12 19:49:14

●A172.67.217.1172026-04-04 → 2026-04-12 · 2 obs

● 2026-04-04 11:05:50
● 2026-04-12 19:49:14

●A2606:4700:3032::ac43:d9752026-04-04 → 2026-04-12 · 2 obs

● 2026-04-04 11:05:50
● 2026-04-12 19:49:14

●A2606:4700:3034::6815:4e452026-04-04 → 2026-04-12 · 2 obs

● 2026-04-04 11:05:50
● 2026-04-12 19:49:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
courseglimpser.com	eva.ns.cloudflare.com, osmar.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.114

NS records: eva.ns.cloudflare.com, osmar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseglimpser.com (unsigned zone)

⏱️ Timing

Total: 108ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.78.69, 172.67.217.117`
AAAA	2	`2606:4700:3034::6815:4e45, 2606:4700:3032::ac43:d975`
NS	2	`eva.ns.cloudflare.com, osmar.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eva.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (eva.ns.cloudflare.com, eva.ns.cloudflare.com, eva.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by courseglimpser.com: 2606:4700:3032::ac43:d975, 2606:4700:3034::6815:4e45, 104.21.78.69 and 172.67.217.117.

other host names including qball45.com, skyoffice.fr, metaladdicts.com, devcloudwise.sbs and carolinarxseagrove.com share IP numbers with courseglimpser.com.

Name Servers

courseglimpser.com is delegated to two name servers eva.ns.cloudflare.com and osmar.ns.cloudflare.com.

courseglimpser.com shares the same name server setup as other domains, for instance eruditequestpoint.com, skillmoonlitvoyage.com, exploratorylearninghub.com, scholarquixavianthrymia.com and scholarnytharaquivethra.com.

courseglimpser.com at least partially shares name servers with other domains, for instance ghv-group.com, prankcaller.io, 18livecam(0x736578).com, hostadvice.com and tilua.com.

These name servers are commonly used with leia.ns.cloudflare.com, addyson.ns.cloudflare.com, jeff.ns.cloudflare.com, quincy.ns.cloudflare.com and igor.ns.cloudflare.com.

Host names with six IP numbers:

Host name eva.ns.cloudflare.com points to: 2606:4700:50::adf5:3a72, 2803:f800:50::6ca2:c072, 2a06:98c1:50::ac40:2072, 108.162.192.114, 172.64.32.114 and 173.245.58.114.

Host name osmar.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7c, 2803:f800:50::6ca2:c37c, 2a06:98c1:50::ac40:237c, 108.162.195.124, 162.159.44.124 and 172.64.35.124.

courseglimpser.com - robtex.com