referencecenter.dynamicgeometry.com - dns.ninja

`referencecenter.dynamicgeometry.com`

CNAME	`d2htxik4ecoppd.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:27a7:200:14:d657:840:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:e00:14:d657:840:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:3a00:14:d657:840:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:4200:14:d657:840:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:6200:14:d657:840:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:7200:14:d657:840:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:cc00:14:d657:840:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:f000:14:d657:840:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	3.166.181.31^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.37^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.106^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.126^{🇺🇸 Amazon3.166.176.0/21}
NS	`ns-331.awsdns-41.com` ⭐
		A	2600:9000:5301:4b00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-331.awsdns-41.com`
		A	205.251.193.75^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-331.awsdns-41.com`
NS	`ns-1219.awsdns-24.org`
		A	2600:9000:5304:c300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1219.awsdns-24.org`
		A	205.251.196.195^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1219.awsdns-24.org`
NS	`ns-1938.awsdns-50.co.uk`
		A	2600:9000:5307:9200::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1938.awsdns-50.co.uk`
		A	205.251.199.146^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1938.awsdns-50.co.uk`
NS	`ns-941.awsdns-53.net`
		A	2600:9000:5303:ad00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-941.awsdns-53.net`
		A	205.251.195.173^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-941.awsdns-53.net`
HTTPS	HTTP/2
SOA	`ns-331.awsdns-41.com`awsdns-hostmaster@amazon.com serial=1

`dynamicgeometry.com`

	DNSSEC	⚠️ Not signed
	A	3.166.192.24^{🇺🇸 Amazon3.166.192.0/21}
	A	3.166.192.40^{🇺🇸 Amazon3.166.192.0/21}
	A	3.166.192.82^{🇺🇸 Amazon3.166.192.0/21}
	A	3.166.192.118^{🇺🇸 Amazon3.166.192.0/21}
	NS	`ns-128.awsdns-16.com` ⭐
	NS	`ns-1472.awsdns-56.org`
	NS	`ns-1650.awsdns-14.co.uk`
	NS	`ns-605.awsdns-11.net`
	TXT	`v=spf1 -all`
	SOA	`ns-128.awsdns-16.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (71/100)
WOT: UNKNOWN (95/100)

Same first word

referencecenter.com

referencecenter.co.nz

Similar names

referencecentre.co.uk

referencecentre.com

DNS History

1 record (1 active, 0 former)

●CNAMEd2htxik4ecoppd.cloudfront.net2026-03-23 → 2026-07-30 · 2 obs

● 2026-03-23 21:39:22
● 2026-07-30 18:34:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-605.awsdns-11.net, ns-1650.awsdns-14.co.uk, ns-1472.awsdns-56.org	2 records
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-
dynamicgeometry.com	ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net	-

✅ Authoritative Response

Server:205.251.194.93

NS records: ns-128.awsdns-16.com, ns-1472.awsdns-56.org, ns-1650.awsdns-14.co.uk, ns-605.awsdns-11.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dynamicgeometry.com (unsigned zone)

⏱️ Timing

Total: 629ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`d2htxik4ecoppd.cloudfront.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-128.awsdns-16.com, ns-128.awsdns-16.com)

Analysis

IP Addresses

referencecenter.dynamicgeometry.com points to 12 IP addresses, including 3.166.181.31, 3.166.181.37 and 3.166.181.106, plus 9 other.

server-3-166-181-37.mia50.r.cloudfront.net, brounsmedia.com, bid4michigan.com plus two other host names have IP numbers in common with referencecenter.dynamicgeometry.com.

Name Servers

Four name servers handle the delegation for referencecenter.dynamicgeometry.com: ns-331.awsdns-41.com, ns-941.awsdns-53.net, ns-1219.awsdns-24.org and ns-1938.awsdns-50.co.uk.

There is at least partial name server overlap between referencecenter.dynamicgeometry.com and other domains — sharefile.biz, northamericanbankcard.com, us-gov-east-1.vpce.amazonaws.com and two more among them.

All four hostnames — ns-331.awsdns-41.com, ns-941.awsdns-53.net, ns-1219.awsdns-24.org and ns-1938.awsdns-50.co.uk — resolve to two IP numbers apiece: ns-331.awsdns-41.com to 205.251.193.75 and 2600:9000:5301:4b00::1; ns-941.awsdns-53.net to 205.251.195.173 and 2600:9000:5303:ad00::1; ns-1219.awsdns-24.org to 205.251.196.195 and 2600:9000:5304:c300::1; ns-1938.awsdns-50.co.uk to 205.251.199.146 and 2600:9000:5307:9200::1.