`cbworkforceuniversity.com`

DNSSEC	⚠️ Not signed
A	127.0.0.1
NS	`ns-1939.awsdns-50.co.uk` ⭐
		A	2600:9000:5307:9300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1939.awsdns-50.co.uk`
		A	205.251.199.147^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1939.awsdns-50.co.uk`
NS	`ns-1086.awsdns-07.org`
		A	2600:9000:5304:3e00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1086.awsdns-07.org`
		A	205.251.196.62^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1086.awsdns-07.org`
NS	`ns-78.awsdns-09.com`
		A	2600:9000:5300:4e00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-78.awsdns-09.com`
		A	205.251.192.78^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-78.awsdns-09.com`
NS	`ns-820.awsdns-38.net`
		A	2600:9000:5303:3400::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-820.awsdns-38.net`
		A	205.251.195.52^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-820.awsdns-38.net`
SOA	`ns-1939.awsdns-50.co.uk`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=1778367801

Same first word

cbworkforceuniversity.com

DNS History

11 records (5 active, 6 former)

●NSns-1086.awsdns-07.org2026-05-09 → 2026-05-09 · 2 obs

○ 2017-01-27 02:16:24
● 2026-05-09 23:17:12

●NSns-1939.awsdns-50.co.uk2026-05-09 → 2026-05-09 · 2 obs

○ 2017-01-27 02:16:24
● 2026-05-09 23:17:12

●NSns-78.awsdns-09.com2026-05-09 → 2026-05-09 · 2 obs

○ 2017-01-27 02:16:24
● 2026-05-09 23:17:12

●NSns-820.awsdns-38.net2026-05-09 → 2026-05-09 · 2 obs

○ 2017-01-27 02:16:24
● 2026-05-09 23:17:12

○NSns1.mydyndns.org2015-06-23 → 2017-01-27 · 3 obs

● 2015-06-23 06:02:36
● 2017-01-27 02:16:24
○ 2026-05-09 23:17:12

○NSns1174.dns.dyn.com2015-06-23 → 2017-01-27 · 3 obs

● 2015-06-23 06:02:36
● 2017-01-27 02:16:24
○ 2026-05-09 23:17:12

○NSns2190.dns.dyn.com2015-06-23 → 2017-01-27 · 3 obs

● 2015-06-23 06:02:36
● 2017-01-27 02:16:24
○ 2026-05-09 23:17:12

○NSns3172.dns.dyn.com2015-06-23 → 2017-01-27 · 3 obs

● 2015-06-23 06:02:36
● 2017-01-27 02:16:24
○ 2026-05-09 23:17:12

○NSns4146.dns.dyn.com2015-06-23 → 2017-01-27 · 3 obs

● 2015-06-23 06:02:36
● 2017-01-27 02:16:24
○ 2026-05-09 23:17:12

●A127.0.0.12026-05-09 → 2026-05-09 · 2 obs

○ 2017-01-27 02:16:24
● 2026-05-09 23:17:12

○A216.146.39.1252015-06-23 → 2017-01-27 · 3 obs

● 2015-06-23 06:02:36
● 2017-01-27 02:16:24
○ 2026-05-09 23:17:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...	-
cbworkforceuniversity.com	ns-78.awsdns-09.com, ns-820.awsdns-38.net, ns-1086.awsdns-07.org, ns-1939.awsdns-50.co.uk	2 records

✅ Authoritative Response

Server:205.251.196.62

NS records: ns-78.awsdns-09.com, ns-820.awsdns-38.net, ns-1086.awsdns-07.org, ns-1939.awsdns-50.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cbworkforceuniversity.com (unsigned zone)

⏱️ Timing

Total: 247ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
NS	4	`ns-1086.awsdns-07.org, ns-1939.awsdns-50.co.uk...`
SOA	1	`ns-1939.awsdns-50.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-78.awsdns-09.com, ns-78.awsdns-09.com)

Analysis

IP Addresses

cbworkforceuniversity.com points to a single IP: 127.0.0.1.

Other host names, for instance 223.5.95.static.quadranet.com, ymovxrtrandki.host.sk, 0.160.106.92.dynamic.wline.res.cust.swisscom.ch, plugin.plex.com and aimm.museum share IP numbers with cbworkforceuniversity.com.

Name Servers

cbworkforceuniversity.com's delegation is handled by four name servers: ns-78.awsdns-09.com, ns-820.awsdns-38.net, ns-1086.awsdns-07.org and ns-1939.awsdns-50.co.uk.

cbworkforceuniversity.com partially shares name servers with other domains; examples include lamusedemarcel.be, 3mathimss.com, dry33mvsko5jp.cloudfront.net, c.c950.chronicle.com and timesmediaadvertising.com.

Host names with two IPs:

ns-78.awsdns-09.com points to 2600:9000:5300:4e00::1 and 205.251.192.78

ns-820.awsdns-38.net points to 2600:9000:5303:3400::1 and 205.251.195.52

ns-1086.awsdns-07.org points to 2600:9000:5304:3e00::1 and 205.251.196.62

ns-1939.awsdns-50.co.uk points to 2600:9000:5307:9300::1 and 205.251.199.147

cbworkforceuniversity.com - robtex.com