`eu1.course-flow.com`

DNSSEC	⚠️ Not signed
A	2001:4860:4802:32::15^{🇺🇸 Google2001:4860::/32}
		PTR	`any-in-2001-4860-4802-32--15.1e100.net`
A	2001:4860:4802:34::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:36::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:38::15^{🇺🇸 Google2001:4860::/32}
A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
A	216.239.34.21^{🇺🇸 Google216.239.34.0/24}
A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
TXT	`google-site-verification=8NkjbW7r351CjNIuBJR-aNN42AuZwq-anniks3Rh-DU`

`course-flow.com`

	DNSSEC	⚠️ Not signed
	A	185.104.29.156^{🇳🇱 AS-ZXCS185.104.29.0/24}
	NS	`ns1.digitalocean.com` ⭐
	NS	`ns2.digitalocean.com`
	NS	`ns3.digitalocean.com`
	MX	`mail.course-flow.com`⁽²⁰⁾
	TXT	`google-site-verification=89jfGFyj7DCzhqLg4_340zRxoJqxByZWFxHJvrK0zbE`
	TXT	`v=spf1 include:spf.mandrillapp.com include:mailgun.org ip4:185.104.29.156 ip6...`
	TXT	`google-site-verification=0GwHg941CbvBi_7VFAg-znhmFIbVlnOSashhfTU-BmU`
	SOA	`ns1.digitalocean.com`hostmaster@course-flow.com serial=1767949578

Same first word

eu1.at

eu1.be

eu1.dev

eu1.net

eu1.org

eu1.nl

eu1.eu

eu1.com

eu1.no

eu1.tv

eu1.ru

Similar names

ue1.org

1eu.ro

1ue.com

e1u.net

u1e.top

1eu.org

1ue.cn

1eu.de

1ue.net

ue1.com

e1u.ru

1eu.ru

e1u.de

1ue.cc

ue1.ru

1ue.eu

1eu.fr

e1u.com

1eu.eu

1ue.info

u1e.cn

ue1.net

1eu.net

DNS History

8 records (8 active, 0 former)

●A2001:4860:4802:32::152026-03-06 → 2026-04-12 · 2 obs

● 2026-03-06 18:06:12
● 2026-04-12 09:57:16

●A2001:4860:4802:34::152026-03-06 → 2026-04-12 · 2 obs

● 2026-03-06 18:06:12
● 2026-04-12 09:57:16

●A2001:4860:4802:36::152026-03-06 → 2026-04-12 · 2 obs

● 2026-03-06 18:06:12
● 2026-04-12 09:57:16

●A2001:4860:4802:38::152026-03-06 → 2026-04-12 · 2 obs

● 2026-03-06 18:06:12
● 2026-04-12 09:57:16

●A216.239.32.212026-03-06 → 2026-04-12 · 2 obs

● 2026-03-06 18:06:12
● 2026-04-12 09:57:16

●A216.239.34.212026-03-06 → 2026-04-12 · 2 obs

● 2026-03-06 18:06:12
● 2026-04-12 09:57:16

●A216.239.36.212026-03-06 → 2026-04-12 · 2 obs

● 2026-03-06 18:06:12
● 2026-04-12 09:57:16

●A216.239.38.212026-03-06 → 2026-04-12 · 2 obs

● 2026-03-06 18:06:12
● 2026-04-12 09:57:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
course-flow.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for course-flow.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`216.239.38.21, 216.239.36.21...`
AAAA	4	`2001:4860:4802:38::15, 2001:4860:4802:32::15...`
TXT	1	`google-site-verification=8NkjbW7r351CjNI`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

IP Addresses

Eight IP numbers are pointed to by eu1.course-flow.com: 2001:4860:4802:32::15, 2001:4860:4802:34::15, 2001:4860:4802:36::15, 2001:4860:4802:38::15, 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.

other host names include alwayskatie.com, delivery-staging.wing.com, accessgranted.pl, chrissilveria.com and apdda.es; they share IP numbers with eu1.course-flow.com.

eu1.course-flow.com - robtex.com