`learncb.com`

DNSSEC	⚠️ Not signed
NS	`ns-1096.awsdns-09.org` ⭐
		A	2600:9000:5304:4800::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1096.awsdns-09.org`
		A	205.251.196.72^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1096.awsdns-09.org`
NS	`ns-1786.awsdns-31.co.uk`
		A	2600:9000:5306:fa00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1786.awsdns-31.co.uk`
		A	205.251.198.250^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1786.awsdns-31.co.uk`
NS	`ns-254.awsdns-31.com`
		A	2600:9000:5300:fe00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-254.awsdns-31.com`
		A	205.251.192.254^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-254.awsdns-31.com`
NS	`ns-991.awsdns-59.net`
		A	2600:9000:5303:df00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-991.awsdns-59.net`
		A	205.251.195.223^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-991.awsdns-59.net`
SOA	`ns-1096.awsdns-09.org`awsdns-hostmaster@amazon.com 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=1778791676

Same first word

learncb.com

Similar names

clebran.com

cranble.com

bnlcare.com

nbclear.cn

realbcn.ru

nbcreal.com.vn

brancel.org

berclan.mx

clarben.com

ablenrc.org

cnbaler.fr

bencarl.com

cnbaler.asia

ablenrc.com

cleanbr.com

clebran.co.uk

balercn.com

bclearn.com

crenlab.com

bcrenal.ca

rbclean.it

crbelan.ru

blancer.com

cernlab.de

rbclean.com

DNS History

8 records (4 active, 4 former)

●NSns-1096.awsdns-09.org2026-05-05 → 2026-05-14 · 3 obs

○ 2017-04-27 17:04:18
● 2026-05-05 12:27:16
● 2026-05-14 21:14:16

●NSns-1786.awsdns-31.co.uk2026-05-05 → 2026-05-14 · 3 obs

○ 2017-04-27 17:04:18
● 2026-05-05 12:27:16
● 2026-05-14 21:14:16

●NSns-254.awsdns-31.com2026-05-05 → 2026-05-14 · 3 obs

○ 2017-04-27 17:04:18
● 2026-05-05 12:27:16
● 2026-05-14 21:14:16

●NSns-991.awsdns-59.net2026-05-05 → 2026-05-14 · 3 obs

○ 2017-04-27 17:04:18
● 2026-05-05 12:27:16
● 2026-05-14 21:14:16

○NSns83.worldnic.com2015-07-07 → 2017-04-27 · 4 obs

● 2015-07-07 16:30:26
● 2017-04-27 17:04:18
○ 2026-05-05 12:27:16
○ 2026-05-14 21:14:16

○NSns84.worldnic.com2015-07-07 → 2017-04-27 · 4 obs

● 2015-07-07 16:30:26
● 2017-04-27 17:04:18
○ 2026-05-05 12:27:16
○ 2026-05-14 21:14:16

○MXp.webcom.ctmail.com2015-11-11 → 2017-04-27 · 4 obs

● 2015-11-11 18:05:22
● 2017-04-27 17:04:18
○ 2026-05-05 12:27:16
○ 2026-05-14 21:14:16

○A208.91.197.242015-07-07 → 2017-04-27 · 4 obs

● 2015-07-07 16:30:26
● 2017-04-27 17:04:18
○ 2026-05-05 12:27:16
○ 2026-05-14 21:14:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learncb.com	ns-254.awsdns-31.com, ns-991.awsdns-59.net, ns-1096.awsdns-09.org, ns-1786.awsdns-31.co.uk	2 records

✅ Authoritative Response

Server:205.251.198.250

NS records: ns-254.awsdns-31.com, ns-991.awsdns-59.net, ns-1096.awsdns-09.org, ns-1786.awsdns-31.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learncb.com (unsigned zone)

⏱️ Timing

Total: 361ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1096.awsdns-09.org, ns-1786.awsdns-31.co.uk...`
SOA	1	`ns-1096.awsdns-09.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-254.awsdns-31.com, ns-254.awsdns-31.com)

Analysis

Name Servers

learncb.com is delegated to four name servers: ns-254.awsdns-31.com, ns-991.awsdns-59.net, ns-1096.awsdns-09.org and ns-1786.awsdns-31.co.uk.

learncb.com at least partially shares name servers with other domains such as achica.org, live-edit.tv, midwest-fertilizer.net, gpaction.org and bimcourse.com.

These name servers are commonly used alongside ns-281.awsdns-35.com, ns-893.awsdns-47.net and ns-1715.awsdns-22.co.uk.

Host names with two IP numbers:

ns-254.awsdns-31.com points to 2600:9000:5300:fe00::1 and 205.251.192.254

ns-991.awsdns-59.net points to 2600:9000:5303:df00::1 and 205.251.195.223

ns-1096.awsdns-09.org points to 2600:9000:5304:4800::1 and 205.251.196.72

ns-1786.awsdns-31.co.uk points to 2600:9000:5306:fa00::1 and 205.251.198.250

learncb.com - robtex.com

learncb.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`learncb.com`

`com`