`youtubecourses.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c607:d1d9:565f:b122:bfdb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	52.44.244.98^{🇺🇸 Amazon52.44.0.0/15 EC2 Region prefix}
A	54.165.131.183^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:f7cf:82e4:be5d:b3e1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b61:6917:a855:79^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f48c:5c69:4efd:9794^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	34.229.99.78^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-229-99-78.compute-1.amazonaws.com`
		A	54.147.7.250^{🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix}
			PTR	`ec2-54-147-7-250.compute-1.amazonaws.com`
NS	`ns2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:5d33:cc54:f16c:e204^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.91.194.211^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-194-211.compute-1.amazonaws.com`
		A	32.197.128.127
			PTR	`ec2-32-197-128-127.compute-1.amazonaws.com`
MX	`mail1.namebrightmail.com` ⭐
		A	66.35.35.26^{🇺🇸 IMDC66.35.35.0/24}
			PTR	`mail1.namebrightmail.com`
MX	`mail2.namebrightmail.com` ⭐
		A	66.35.35.28^{🇺🇸 IMDC66.35.35.0/24}
			PTR	`mail2.namebrightmail.com`
TXT	`02841e303164d4ce0e5a9a477adf4db0d2ff93164314e7bf1fb3fa0f26d8a1a8`
TXT	`14bf1709b42a225851a5d4402c561f00d36a95a9`
TXT	`v=spf1 a:smtpout1.namebrightmail.com a:smtpout2.namebrightmail.com include:na...`
TXT	`27013f02-9cc0-429b-ad23-7c51c09c6a74`
TXT	`google-site-verification=YourUniqueGoogleVerificationCode`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-05-13 #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=1778690331

Same first word

youtubecourses.com

DNS History

18 records (8 active, 10 former)

○NSns.udag.de2018-06-07 → 2018-06-07 · 4 obs

○ 2015-06-06 09:35:28
● 2018-06-07 06:36:12
○ 2026-04-03 22:08:48
○ 2026-05-13 16:57:10

○NSns.udag.net2018-06-07 → 2018-06-07 · 4 obs

○ 2015-06-06 09:35:28
● 2018-06-07 06:36:12
○ 2026-04-03 22:08:48
○ 2026-05-13 16:57:10

○NSns.udag.org2018-06-07 → 2018-06-07 · 4 obs

○ 2015-06-06 09:35:28
● 2018-06-07 06:36:12
○ 2026-04-03 22:08:48
○ 2026-05-13 16:57:10

○NSns1.metaregistrar.nl2015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 09:35:28
○ 2018-06-07 06:36:12
○ 2026-05-13 16:57:10

●NSns1.namebrightdns.com2026-04-03 → 2026-05-13 · 3 obs

○ 2018-06-07 06:36:12
● 2026-04-03 22:08:48
● 2026-05-13 16:57:10

○NSns2.metaregistrar.nl2015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 09:35:28
○ 2018-06-07 06:36:12
○ 2026-05-13 16:57:10

●NSns2.namebrightdns.com2026-04-03 → 2026-05-13 · 3 obs

○ 2018-06-07 06:36:12
● 2026-04-03 22:08:48
● 2026-05-13 16:57:10

●MXmail1.namebrightmail.com2026-04-03 → 2026-05-13 · 3 obs

○ 2018-06-07 06:36:12
● 2026-04-03 22:08:48
● 2026-05-13 16:57:10

●MXmail2.namebrightmail.com2026-04-03 → 2026-05-13 · 3 obs

○ 2018-06-07 06:36:12
● 2026-04-03 22:08:48
● 2026-05-13 16:57:10

○MXmx00.udag.de2018-06-07 → 2018-06-07 · 3 obs

● 2018-06-07 06:36:12
○ 2026-04-03 22:08:48
○ 2026-05-13 16:57:10

○MXmx01.udag.de2018-06-07 → 2018-06-07 · 3 obs

● 2018-06-07 06:36:12
○ 2026-04-03 22:08:48
○ 2026-05-13 16:57:10

○A188.93.150.822015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 09:35:28
○ 2015-10-31 23:58:50
○ 2026-05-13 16:57:10

○A192.185.4.1352015-10-31 → 2016-12-25 · 5 obs

○ 2015-06-06 09:35:28
● 2015-10-31 23:58:50
● 2016-12-25 18:29:10
○ 2018-06-07 06:36:12
○ 2026-05-13 16:57:10

●A2600:1f18:4ae:c607:d1d9:565f:b122:bfdb2026-04-03 → 2026-05-13 · 3 obs

○ 2018-06-07 06:36:12
● 2026-04-03 22:08:48
● 2026-05-13 16:57:10

●A2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a2026-04-03 → 2026-05-13 · 3 obs

○ 2018-06-07 06:36:12
● 2026-04-03 22:08:48
● 2026-05-13 16:57:10

●A52.44.244.982026-04-03 → 2026-05-13 · 3 obs

○ 2018-06-07 06:36:12
● 2026-04-03 22:08:48
● 2026-05-13 16:57:10

●A54.165.131.1832026-04-03 → 2026-05-13 · 3 obs

○ 2018-06-07 06:36:12
● 2026-04-03 22:08:48
● 2026-05-13 16:57:10

○A89.31.143.12018-06-07 → 2018-06-07 · 4 obs

○ 2016-12-25 18:29:10
● 2018-06-07 06:36:12
○ 2026-04-03 22:08:48
○ 2026-05-13 16:57:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
youtubecourses.com	ns1.namebrightdns.com, ns2.namebrightdns.com	8 records

✅ Authoritative Response

Server:3.91.194.211

NS records: ns1.namebrightdns.com, ns2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for youtubecourses.com (unsigned zone)

⏱️ Timing

Total: 186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.165.131.183, 52.44.244.98`
AAAA	2	`2600:1f18:4ae:c607:d1d9:565f:b122:bfdb, 2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a`
NS	2	`ns1.namebrightdns.com, ns2.namebrightdns.com`
MX	2	`mail1.namebrightmail.com (pri: 10), mail2.namebrightmail.com (pri: 10)`
TXT	5	`google-site-verification=YourUniqueGoogl, 02841e303164d4ce0e5a9a477adf4db0d2ff9316...`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.namebrightdns.com, ns1.namebrightdns.com, ns1.namebrightdns.com...)

Analysis

IP Addresses

youtubecourses.com points to four IP numbers: 2600:1f18:4ae:c607:d1d9:565f:b122:bfdb, 2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a, 52.44.244.98 and 54.165.131.183.

For instance, other host names datavv.com, eatovision.com, jdex.org, campick.com and teleperk.com share IP numbers with youtubecourses.com.

Name Servers

youtubecourses.com is delegated to two name servers: ns1.namebrightdns.com and ns2.namebrightdns.com.

youtubecourses.com uses the same name server setup as other domains such as docstube.com, corpstream.com, swedishfinance.com, fileferry.com and mycrystalhealingblog.zedtalk.com.

youtubecourses.com shares name servers with other domains at least partially, for example intercomnet.com, southernmojo.com, yesmoment.com, missgoodies.com and thinkprofile.com.

These name servers are commonly used together with nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Five IP numbers for the host name ns1.namebrightdns.com: 2600:1f18:683a:ae1a:f7cf:82e4:be5d:b3e1, 2600:1f18:683a:ae1b:b61:6917:a855:79, 2600:1f18:683a:ae1b:f48c:5c69:4efd:9794, 34.229.99.78 and 54.147.7.250.

Three IP numbers for the host name ns2.namebrightdns.com: 2600:1f18:683a:ae1a:5d33:cc54:f16c:e204, 3.91.194.211 and 32.197.128.127.

Mail Servers

Two mail servers mail1.namebrightmail.com and mail2.namebrightmail.com handle youtubecourses.com.

youtubecourses.com shares the same mail server setup as other domains, for instance cryptotantra.com, currentliabilities.com, phlapi.com, portsort.com and californiayellowtail.net.

Host names with one IP number:

mail1.namebrightmail.com points to: 66.35.35.26.

mail2.namebrightmail.com points to: 66.35.35.28.

youtubecourses.com - robtex.com