`referenceassessment.com`

DNSSEC	⚠️ Not signed
A	3.226.73.193^{🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-226-73-193.compute-1.amazonaws.com`
A	34.233.4.33^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
A	35.153.85.206^{🇺🇸 Amazon35.153.0.0/16 EC2 IAD prefix}
NS	`ns-860.awsdns-43.net` ⭐
		A	2600:9000:5303:5c00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-860.awsdns-43.net`
		A	205.251.195.92^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-860.awsdns-43.net`
NS	`ns-1241.awsdns-27.org`
		A	2600:9000:5304:d900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1241.awsdns-27.org`
		A	205.251.196.217^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1241.awsdns-27.org`
NS	`ns-13.awsdns-01.com`
		A	2600:9000:5300:d00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-13.awsdns-01.com`
		A	205.251.192.13^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-13.awsdns-01.com`
NS	`ns-1559.awsdns-02.co.uk`
		A	2600:9000:5306:1700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1559.awsdns-02.co.uk`
		A	205.251.198.23^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1559.awsdns-02.co.uk`
SOA	`ns-860.awsdns-43.net`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=1774485957

Same first word

referenceassessment.com

DNS History

12 records (7 active, 5 former)

●NSns-1241.awsdns-27.org2026-02-24 → 2026-03-26 · 3 obs

○ 2017-09-05 23:53:36
● 2026-02-24 20:39:54
● 2026-03-26 01:01:20

●NSns-13.awsdns-01.com2026-02-24 → 2026-03-26 · 3 obs

○ 2017-09-05 23:53:36
● 2026-02-24 20:39:54
● 2026-03-26 01:01:20

●NSns-1559.awsdns-02.co.uk2026-02-24 → 2026-03-26 · 3 obs

○ 2017-09-05 23:53:36
● 2026-02-24 20:39:54
● 2026-03-26 01:01:20

●NSns-860.awsdns-43.net2026-02-24 → 2026-03-26 · 3 obs

○ 2017-09-05 23:53:36
● 2026-02-24 20:39:54
● 2026-03-26 01:01:20

○NSns69.domaincontrol.com2016-12-17 → 2017-09-05 · 4 obs

● 2016-12-17 11:44:00
● 2017-09-05 23:53:36
○ 2026-02-24 20:39:54
○ 2026-03-26 01:01:20

○NSns70.domaincontrol.com2016-12-17 → 2017-09-05 · 4 obs

● 2016-12-17 11:44:00
● 2017-09-05 23:53:36
○ 2026-02-24 20:39:54
○ 2026-03-26 01:01:20

○MXmailstore1.secureserver.net2016-12-17 → 2017-09-05 · 4 obs

● 2016-12-17 11:44:00
● 2017-09-05 23:53:36
○ 2026-02-24 20:39:54
○ 2026-03-26 01:01:20

○MXsmtp.secureserver.net2016-12-17 → 2017-09-05 · 4 obs

● 2016-12-17 11:44:00
● 2017-09-05 23:53:36
○ 2026-02-24 20:39:54
○ 2026-03-26 01:01:20

○A184.168.221.412016-12-17 → 2017-09-05 · 4 obs

● 2016-12-17 11:44:00
● 2017-09-05 23:53:36
○ 2026-02-24 20:39:54
○ 2026-03-26 01:01:20

●A3.226.73.1932026-02-24 → 2026-03-26 · 3 obs

○ 2017-09-05 23:53:36
● 2026-02-24 20:39:54
● 2026-03-26 01:01:20

●A34.233.4.332026-02-24 → 2026-03-26 · 3 obs

○ 2017-09-05 23:53:36
● 2026-02-24 20:39:54
● 2026-03-26 01:01:20

●A35.153.85.2062026-02-24 → 2026-03-26 · 3 obs

○ 2017-09-05 23:53:36
● 2026-02-24 20:39:54
● 2026-03-26 01:01:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
referenceassessment.com	ns-13.awsdns-01.com, ns-860.awsdns-43.net, ns-1559.awsdns-02.co.uk, ns-1241.awsdns-27.org	1 record

✅ Authoritative Response

Server:205.251.196.217

NS records: ns-13.awsdns-01.com, ns-860.awsdns-43.net, ns-1559.awsdns-02.co.uk, ns-1241.awsdns-27.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for referenceassessment.com (unsigned zone)

⏱️ Timing

Total: 331ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`34.233.4.33, 35.153.85.206...`
NS	4	`ns-1241.awsdns-27.org, ns-13.awsdns-01.com...`
SOA	1	`ns-860.awsdns-43.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-13.awsdns-01.com)

Analysis

IP Addresses

Three IP numbers for referenceassessment.com are 3.226.73.193, 34.233.4.33 and 35.153.85.206.

Other host names, for instance 360credential.com, easyrecrue.co.uk, icims.de, cscsw.jobs and icims-nj.jobs share IP numbers with referenceassessment.com.

Name Servers

referenceassessment.com is delegated to four name servers: ns-13.awsdns-01.com, ns-860.awsdns-43.net, ns-1241.awsdns-27.org and ns-1559.awsdns-02.co.uk.

referenceassessment.com at least partially shares its name servers with other domains, for instance cpcassets.conservative.ca, d2jbn2nab7xptq.cloudfront.net, sterntheory.com, foreverwinter.net and naturalezaencendida.com.

These name servers are commonly used with ns-1517.awsdns-61.org, ns-607.awsdns-11.net and ns-1582.awsdns-05.co.uk.

Host names with two IPs: ns-13.awsdns-01.com points to 2600:9000:5300:d00::1 and 205.251.192.13; ns-860.awsdns-43.net points to 2600:9000:5303:5c00::1 and 205.251.195.92; ns-1241.awsdns-27.org points to 2600:9000:5304:d900::1 and 205.251.196.217; ns-1559.awsdns-02.co.uk points to 2600:9000:5306:1700::1 and 205.251.198.23.

referenceassessment.com - robtex.com