🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`structuredlearning.com`

DNSSEC	⚠️ Not signed
A	212.67.202.78^{🇬🇧 GD-EMEA-DC-LD5212.67.192.0/19 Webfusion Internet Solutions}
NS	`ns63.domaincontrol.com` ⭐
		A	2603:5:2154::2a^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns63.domaincontrol.com`
		A	97.74.101.42^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns63.domaincontrol.com`
NS	`ns64.domaincontrol.com`
		A	2603:5:2254::2a^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns64.domaincontrol.com`
		A	173.201.69.42^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns64.domaincontrol.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`v=spf1 include:secureserver.net -all`
TXT	`D2333719`
SOA	`ns63.domaincontrol.com`dns@jomax.net 2025-04-04 #2

`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=1794144261

Subdomains

mail.structuredlearning.com

Same first word

structuredlearning.pro

structuredlearning.net

structuredlearning.com

structuredlearning.org

Previous names

Next names

DNS History

10 records (5 active, 5 former)

○NSns0.selectwebhosting.co.uk2015-05-23 → 2018-10-09 · 4 obs

● 2015-05-23 00:26:00
● 2018-10-09 06:42:48
○ 2026-07-12 09:04:22
○ 2026-11-08 13:25:20

○NSns1.selectwebhosting.co.uk2015-05-23 → 2018-10-09 · 4 obs

● 2015-05-23 00:26:00
● 2018-10-09 06:42:48
○ 2026-07-12 09:04:22
○ 2026-11-08 13:25:20

●NSns63.domaincontrol.com2026-07-12 → 2026-11-08 · 3 obs

○ 2018-10-09 06:42:48
● 2026-07-12 09:04:22
● 2026-11-08 13:25:20

●NSns64.domaincontrol.com2026-07-12 → 2026-11-08 · 3 obs

○ 2018-10-09 06:42:48
● 2026-07-12 09:04:22
● 2026-11-08 13:25:20

○MXmail.structuredlearning.com2015-05-23 → 2018-10-09 · 4 obs

● 2015-05-23 00:26:00
● 2018-10-09 06:42:48
○ 2026-07-12 09:04:22
○ 2026-11-08 13:25:20

●MXmailstore1.secureserver.net2026-07-12 → 2026-11-08 · 3 obs

○ 2018-10-09 06:42:48
● 2026-07-12 09:04:22
● 2026-11-08 13:25:20

●MXsmtp.secureserver.net2026-07-12 → 2026-11-08 · 3 obs

○ 2018-10-09 06:42:48
● 2026-07-12 09:04:22
● 2026-11-08 13:25:20

○A185.19.89.1312015-05-23 → 2016-05-04 · 4 obs

● 2015-05-23 00:26:00
● 2016-05-04 21:02:20
○ 2017-01-14 09:52:38
○ 2026-11-08 13:25:20

○A185.19.89.1382017-01-14 → 2018-10-09 · 5 obs

○ 2016-05-04 21:02:20
● 2017-01-14 09:52:38
● 2018-10-09 06:42:48
○ 2026-07-12 09:04:22
○ 2026-11-08 13:25:20

●A212.67.202.782026-07-12 → 2026-11-08 · 3 obs

○ 2018-10-09 06:42:48
● 2026-07-12 09:04:22
● 2026-11-08 13:25:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
structuredlearning.com	ns63.domaincontrol.com, ns64.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.69.42

NS records: ns63.domaincontrol.com, ns64.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for structuredlearning.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.67.202.78`
NS	2	`ns63.domaincontrol.com, ns64.domaincontrol.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	2	`v=spf1 include:secureserver.net -all, D2333719`
SOA	1	`ns63.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns63.domaincontrol.com, ns63.domaincontrol.com, ns64.domaincontrol.com...)

Analysis

Hierarchy

structuredlearning.com serves as the parent of mail.structuredlearning.com.

IP Addresses

structuredlearning.com resolves to just one IP address, 212.67.202.78.

Additional host names — including mail.olivetree.org.uk and mail.structuredlearning.com — share IP numbers with structuredlearning.com.

Name Servers

structuredlearning.com uses two name servers for its delegation: ns63.domaincontrol.com and ns64.domaincontrol.com.

structuredlearning.com shares its NS records with other domains, for example unitedcollegeadvisory.com, (0x63756e74)sareus.co.uk, iamchumleigh.com and two others.

The two host names ns63.domaincontrol.com and ns64.domaincontrol.com each have a pair of IP addresses: ns63.domaincontrol.com has 97.74.101.42 and 2603:5:2154::2a, and ns64.domaincontrol.com has 173.201.69.42 and 2603:5:2254::2a.

Mail Servers

structuredlearning.com is served by two mail servers, mailstore1.secureserver.net and smtp.secureserver.net.

Among the domains sharing a mail server setup with structuredlearning.com are cedarvalleyrentals.com, cima14.com.mx, fointel.com and two others.

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

mailstore1.secureserver.net and smtp.secureserver.net each have three IP addresses — mailstore1.secureserver.net directs to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net directs to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

structuredlearning.com - robtex.com