dpd.securestudies.com - dns.ninja

`dpd.securestudies.com`

CNAME	`dm7o9revlbq0c.cloudfront.net`
DNSSEC	⚠️ Not signed
A	3.166.192.3^{🇺🇸 Amazon3.166.192.0/21}
		PTR	`server-3-166-192-3.phl51.r.cloudfront.net`
A	3.166.192.12^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.66^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.117^{🇺🇸 Amazon3.166.192.0/21}
NS	`ns-1455.awsdns-53.org` ⭐
		A	2600:9000:5305:af00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1455.awsdns-53.org`
		A	205.251.197.175^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1455.awsdns-53.org`
NS	`ns-1730.awsdns-24.co.uk`
		A	2600:9000:5306:c200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1730.awsdns-24.co.uk`
		A	205.251.198.194^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1730.awsdns-24.co.uk`
NS	`ns-468.awsdns-58.com`
		A	2600:9000:5301:d400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-468.awsdns-58.com`
		A	205.251.193.212^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-468.awsdns-58.com`
NS	`ns-870.awsdns-44.net`
		A	2600:9000:5303:6600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-870.awsdns-44.net`
		A	205.251.195.102^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-870.awsdns-44.net`
HTTPS	HTTP/2
SOA	`ns-1455.awsdns-53.org`awsdns-hostmaster@amazon.com serial=1

`securestudies.com`

	DNSSEC	🔒 Signed (DS record present)
	A	77.72.114.226
	NS	`ns-1744.awsdns-26.co.uk` ⭐
	NS	`ns-11.awsdns-01.com`
	NS	`ns-1396.awsdns-46.org`
	NS	`ns-892.awsdns-47.net`
	MX	`mxa-00648602.gslb.pphosted.com` ⭐
	MX	`mxb-00648602.gslb.pphosted.com`⁽²⁰⁾
	TXT	`MS=ms33693697`
	TXT	`v=spf1 ip4:77.72.116.0/24 include:spf-00648602.pphosted.com ~all`
	SOA	`ns-1744.awsdns-26.co.uk`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (50/100)
⚠️ On DNS blocklist: light, multi, pro, pro.plus, ultimate
WOT: SAFE (50/100)
📈 Tranco rank: #13,035

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DNS History

4 records (1 active, 3 former)

○A104.103.217.1032016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:52:40
○ 2019-01-22 13:28:58
○ 2026-07-24 07:11:32

●CNAMEdm7o9revlbq0c.cloudfront.net2026-07-23 → 2026-07-24 · 3 obs

○ 2019-11-01 17:07:02
● 2026-07-23 23:15:16
● 2026-07-24 07:11:32

○CNAMEe9753.e7.akamaiedge.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:52:40
○ 2019-01-22 13:28:58
○ 2026-07-24 07:11:32

○CNAMEwildcard.securestudies.com.edgekey.net2016-12-28 → 2019-11-01 · 4 obs

● 2016-12-28 19:52:40
● 2019-11-01 17:07:02
○ 2026-07-23 23:15:16
○ 2026-07-24 07:11:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
securestudies.com	ns-11.awsdns-01.com, ns-892.awsdns-47.net, ns-1744.awsdns-26.co.uk, ns-1396.awsdns-46.org	2 records
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-
securestudies.com	ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net	-

✅ Authoritative Response

Server:205.251.198.208

NS records: ns-11.awsdns-01.com, ns-1396.awsdns-46.org, ns-1744.awsdns-26.co.uk, ns-892.awsdns-47.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2094ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`dm7o9revlbq0c.cloudfront.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-11.awsdns-01.com, ns-11.awsdns-01.com)

Analysis

IP Addresses

dpd.securestudies.com has four IP addresses: 3.166.192.3, 3.166.192.12, 3.166.192.66 and 3.166.192.117.

Two other host names, along with www.grants.gov.au, barcellonapozzodigottofy.it and v5.airtableusercontent.com, also share IP numbers with dpd.securestudies.com.

Name Servers

The NS records for dpd.securestudies.com point to four name servers: ns-468.awsdns-58.com, ns-870.awsdns-44.net, ns-1455.awsdns-53.org and ns-1730.awsdns-24.co.uk.

dpd.securestudies.com partially shares its NS delegation with several other domains, including filmfourproductions.com, savviihq.com, sourcloud.net and two others.

ns-468.awsdns-58.com, ns-870.awsdns-44.net, ns-1455.awsdns-53.org and ns-1730.awsdns-24.co.uk each carry two IP addresses. ns-468.awsdns-58.com has 205.251.193.212 and 2600:9000:5301:d400::1; ns-870.awsdns-44.net has 205.251.195.102 and 2600:9000:5303:6600::1; ns-1455.awsdns-53.org has 205.251.197.175 and 2600:9000:5305:af00::1; ns-1730.awsdns-24.co.uk has 205.251.198.194 and 2600:9000:5306:c200::1.