cecourses.com - dns.ninja

`cecourses.com`

DNSSEC	⚠️ Not signed
A	192.140.6.206^{🇺🇸 AS393931192.140.6.0/24}
NS	`ns-1607.awsdns-08.co.uk` ⭐
		A	2600:9000:5306:4700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1607.awsdns-08.co.uk`
		A	205.251.198.71^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1607.awsdns-08.co.uk`
NS	`ns-1002.awsdns-61.net`
		A	2600:9000:5303:ea00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1002.awsdns-61.net`
		A	205.251.195.234^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1002.awsdns-61.net`
NS	`ns-1495.awsdns-58.org`
		A	2600:9000:5305:d700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1495.awsdns-58.org`
		A	205.251.197.215^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1495.awsdns-58.org`
NS	`ns-173.awsdns-21.com`
		A	2600:9000:5300:ad00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-173.awsdns-21.com`
		A	205.251.192.173^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-173.awsdns-21.com`
MX	`mail.healthstream.com` ⭐
TXT	`_3n51ruedtz9vyuuyr0ncx8pzay699l3`
TXT	`s2kmlzkl29qp6kblf1ktbs51kzcnsy26`
TXT	`v=spf1 -all`
SOA	`ns-1607.awsdns-08.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=1786206944

Same first word

cecourses.net

cecourses.com

cecourses.org

Similar names

seccourse.com

secuscore.com

scorecues.com

secsource.org

sourcesec.com

socsecure.com

cessource.com

esourcesc.com

DNS History

16 records (6 active, 10 former)

○NSdns01.exodus.net2007-11-12 → 2007-11-12 · 3 obs

● 2007-11-12 11:21:06
○ 2015-06-27 01:31:24
○ 2026-08-08 16:41:20

○NSdns01.savvis.net2007-11-12 → 2018-12-08 · 4 obs

● 2007-11-12 11:21:06
● 2018-12-08 10:41:00
○ 2026-02-27 10:58:04
○ 2026-08-08 16:41:20

○NSdns02.exodus.net2007-11-12 → 2007-11-12 · 3 obs

● 2007-11-12 11:21:06
○ 2015-06-27 01:31:24
○ 2026-08-08 16:41:20

○NSdns02.savvis.net2007-11-12 → 2018-12-08 · 4 obs

● 2007-11-12 11:21:06
● 2018-12-08 10:41:00
○ 2026-02-27 10:58:04
○ 2026-08-08 16:41:20

○NSdns03.exodus.net2007-11-12 → 2007-11-12 · 3 obs

● 2007-11-12 11:21:06
○ 2015-06-27 01:31:24
○ 2026-08-08 16:41:20

○NSdns03.savvis.net2007-11-12 → 2018-12-08 · 4 obs

● 2007-11-12 11:21:06
● 2018-12-08 10:41:00
○ 2026-02-27 10:58:04
○ 2026-08-08 16:41:20

○NSdns04.exodus.net2007-11-12 → 2007-11-12 · 3 obs

● 2007-11-12 11:21:06
○ 2015-06-27 01:31:24
○ 2026-08-08 16:41:20

○NSdns04.savvis.net2007-11-12 → 2018-12-08 · 4 obs

● 2007-11-12 11:21:06
● 2018-12-08 10:41:00
○ 2026-02-27 10:58:04
○ 2026-08-08 16:41:20

●NSns-1002.awsdns-61.net2026-02-27 → 2026-08-08 · 3 obs

○ 2018-12-08 10:41:00
● 2026-02-27 10:58:04
● 2026-08-08 16:41:20

●NSns-1495.awsdns-58.org2026-02-27 → 2026-08-08 · 3 obs

○ 2018-12-08 10:41:00
● 2026-02-27 10:58:04
● 2026-08-08 16:41:20

●NSns-1607.awsdns-08.co.uk2026-02-27 → 2026-08-08 · 3 obs

○ 2018-12-08 10:41:00
● 2026-02-27 10:58:04
● 2026-08-08 16:41:20

●NSns-173.awsdns-21.com2026-02-27 → 2026-08-08 · 3 obs

○ 2018-12-08 10:41:00
● 2026-02-27 10:58:04
● 2026-08-08 16:41:20

●MXmail.healthstream.com2007-11-12 → 2026-08-08 · 2 obs

● 2007-11-12 11:21:06
● 2026-08-08 16:41:20

●A192.140.6.2062026-02-27 → 2026-08-08 · 3 obs

○ 2018-12-08 10:41:00
● 2026-02-27 10:58:04
● 2026-08-08 16:41:20

○A216.25.238.1002007-11-12 → 2007-11-12 · 3 obs

● 2007-11-12 11:21:06
○ 2015-06-27 01:31:24
○ 2026-08-08 16:41:20

○A64.37.254.2102015-06-27 → 2018-12-08 · 5 obs

○ 2007-11-12 11:21:06
● 2015-06-27 01:31:24
● 2018-12-08 10:41:00
○ 2026-02-27 10:58:04
○ 2026-08-08 16:41:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
cecourses.com	ns-173.awsdns-21.com, ns-1002.awsdns-61.net, ns-1607.awsdns-08.co.uk, ns-1495.awsdns-58.org	2 records

✅ Authoritative Response

Server:205.251.197.215

NS records: ns-173.awsdns-21.com, ns-1002.awsdns-61.net, ns-1607.awsdns-08.co.uk, ns-1495.awsdns-58.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cecourses.com (unsigned zone)

⏱️ Timing

Total: 674ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.140.6.206`
NS	4	`ns-1002.awsdns-61.net, ns-1495.awsdns-58.org...`
MX	1	`mail.healthstream.com (pri: 10)`
TXT	3	`_3n51ruedtz9vyuuyr0ncx8pzay699l3, s2kmlzkl29qp6kblf1ktbs51kzcnsy26...`
SOA	1	`ns-1607.awsdns-08.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-173.awsdns-21.com, ns-173.awsdns-21.com)

Analysis

IP Addresses

cecourses.com resolves to one IP address: 192.140.6.206.

competencyhealth.com, hipaa.education, smarterinservice.com and two other host names share IP numbers with cecourses.com.

Name Servers

The authoritative name servers for cecourses.com are ns-173.awsdns-21.com, ns-1002.awsdns-61.net, ns-1495.awsdns-58.org and ns-1607.awsdns-08.co.uk.

cecourses.com has at least partial name server overlap with other domains, such as bridgetobrisbaneday.com.au, d28icuszkh7t52.cloudfront.net, doximity.com and two others.

ns-173.awsdns-21.com, ns-1002.awsdns-61.net, ns-1495.awsdns-58.org and ns-1607.awsdns-08.co.uk all point to exactly two IP numbers each: ns-173.awsdns-21.com → 205.251.192.173 and 2600:9000:5300:ad00::1; ns-1002.awsdns-61.net → 205.251.195.234 and 2600:9000:5303:ea00::1; ns-1495.awsdns-58.org → 205.251.197.215 and 2600:9000:5305:d700::1; ns-1607.awsdns-08.co.uk → 205.251.198.71 and 2600:9000:5306:4700::1.

Mail Servers

Mail for cecourses.com is handled by a single mail server, mail.healthstream.com.

cecourses.com uses the same mail servers as other domains — for example health-stream.com, cecourses.net and eddesign.com.

The mail servers of cecourses.com are at least partially shared with other domains, including sqt.com.

This set of mail servers commonly appears together with the mail servers mail3.healthstream.com.