studyladder.net - dns.ninja

`studyladder.net`

DNSSEC	⚠️ Not signed
A	16.144.56.142^{🇺🇸 Amazon16.144.0.0/16}
		PTR	`ec2-16-144-56-142.us-west-2.compute.amazonaws.com`
A	32.187.115.11^{🇺🇸 Amazon32.184.0.0/13 EC2 Prefix}
NS	`ns-1740.awsdns-25.co.uk` ⭐
		A	2600:9000:5306:cc00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1740.awsdns-25.co.uk`
		A	205.251.198.204^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1740.awsdns-25.co.uk`
NS	`ns-1421.awsdns-49.org`
		A	2600:9000:5305:8d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1421.awsdns-49.org`
		A	205.251.197.141^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1421.awsdns-49.org`
NS	`ns-311.awsdns-38.com`
		A	2600:9000:5301:3700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-311.awsdns-38.com`
		A	205.251.193.55^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-311.awsdns-38.com`
NS	`ns-563.awsdns-06.net`
		A	2600:9000:5302:3300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-563.awsdns-06.net`
		A	205.251.194.51^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-563.awsdns-06.net`
MX	`mail.studyladder.net` ⭐
		A	50.18.57.202^{🇺🇸 Amazon50.18.0.0/18 EC2 SFO prefix}
			PTR	`ec2-50-18-57-202.us-west-1.compute.amazonaws.com`
TXT	`v=spf1 mx ip4:50.22.76.26 include:amazonses.com ~all`
SOA	`ns-1740.awsdns-25.co.uk`awsdns-hostmaster@amazon.com serial=1

`net`

	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=1785940824

Subdomains

mail.studyladder.net

Same first word

studyladder.net

studyladder.ca

studyladder.com

studyladder.com.au

studyladder.co.nz

studyladder.co.uk

Similar names

resultdaddy.com

DNS History

16 records (7 active, 9 former)

●NSns-1421.awsdns-49.org2015-07-26 → 2026-08-05 · 2 obs

● 2015-07-26 16:09:44
● 2026-08-05 14:56:04

●NSns-1740.awsdns-25.co.uk2015-07-26 → 2026-08-05 · 2 obs

● 2015-07-26 16:09:44
● 2026-08-05 14:56:04

●NSns-311.awsdns-38.com2015-07-26 → 2026-08-05 · 2 obs

● 2015-07-26 16:09:44
● 2026-08-05 14:56:04

●NSns-563.awsdns-06.net2015-07-26 → 2026-08-05 · 2 obs

● 2015-07-26 16:09:44
● 2026-08-05 14:56:04

●MXmail.studyladder.net2015-07-26 → 2026-08-05 · 2 obs

● 2015-07-26 16:09:44
● 2026-08-05 14:56:04

●A16.144.56.1422026-08-05 → 2026-08-05 · 2 obs

○ 2026-02-22 11:25:00
● 2026-08-05 14:56:04

○A184.169.131.1182015-12-03 → 2015-12-03 · 4 obs

○ 2015-07-26 16:09:44
● 2015-12-03 01:06:36
○ 2016-01-25 21:50:26
○ 2026-08-05 14:56:04

○A184.169.159.1742015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 16:09:44
○ 2015-12-03 01:06:36
○ 2026-08-05 14:56:04

○A184.169.179.82016-04-17 → 2016-04-17 · 4 obs

○ 2016-01-25 21:50:26
● 2016-04-17 14:04:58
○ 2016-11-01 07:59:10
○ 2026-08-05 14:56:04

○A184.72.56.422015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 16:09:44
○ 2015-12-03 01:06:36
○ 2026-08-05 14:56:04

●A32.187.115.112026-08-05 → 2026-08-05 · 2 obs

○ 2026-02-22 11:25:00
● 2026-08-05 14:56:04

○A35.155.245.1622026-02-18 → 2026-02-22 · 4 obs

○ 2016-11-01 07:59:10
● 2026-02-18 11:46:08
● 2026-02-22 11:25:00
○ 2026-08-05 14:56:04

○A44.236.159.122026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-18 22:36:02
● 2026-02-22 11:25:00
○ 2026-08-05 14:56:04

○A50.18.104.592016-11-01 → 2016-11-01 · 4 obs

○ 2016-04-17 14:04:58
● 2016-11-01 07:59:10
○ 2026-02-18 11:46:08
○ 2026-08-05 14:56:04

○A50.18.53.1892016-01-25 → 2016-01-25 · 4 obs

○ 2015-12-03 01:06:36
● 2016-01-25 21:50:26
○ 2016-04-17 14:04:58
○ 2026-08-05 14:56:04

○A52.32.38.1232026-02-18 → 2026-02-18 · 5 obs

○ 2016-11-01 07:59:10
● 2026-02-18 11:46:08
● 2026-02-18 22:36:02
○ 2026-02-22 11:25:00
○ 2026-08-05 14:56:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	k.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
studyladder.net	ns-563.awsdns-06.net, ns-311.awsdns-38.com, ns-1740.awsdns-25.co.uk, ns-1421.awsdns-49.org	2 records

✅ Authoritative Response

Server:205.251.193.55

NS records: ns-563.awsdns-06.net, ns-311.awsdns-38.com, ns-1740.awsdns-25.co.uk, ns-1421.awsdns-49.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyladder.net (unsigned zone)

⏱️ Timing

Total: 1775ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`16.144.56.142, 32.187.115.11`
NS	4	`ns-1421.awsdns-49.org, ns-1740.awsdns-25.co.uk...`
MX	1	`mail.studyladder.net (pri: 50)`
TXT	1	`v=spf1 mx ip4:50.22.76.26 include:amazon`
SOA	1	`ns-1740.awsdns-25.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-563.awsdns-06.net, ns-563.awsdns-06.net)

Analysis

Hierarchy

mail.studyladder.net is delegated beneath studyladder.net.

IP Addresses

studyladder.net points to the IP addresses 16.144.56.142 and 32.187.115.11

Other hosts including studyladder.com.au, www.studyladder.com and smartkiddies.com.au share IP addresses with studyladder.net.

Name Servers

studyladder.net has four authoritative name servers: ns-311.awsdns-38.com, ns-563.awsdns-06.net, ns-1421.awsdns-49.org and ns-1740.awsdns-25.co.uk.

There is at least partial name server overlap between studyladder.net and other domains — telenostic.com, cluzters.ai, aidaentertainment.de and two more among them.

All four hostnames — ns-311.awsdns-38.com, ns-563.awsdns-06.net, ns-1421.awsdns-49.org and ns-1740.awsdns-25.co.uk — resolve to two IP numbers apiece: ns-311.awsdns-38.com to 205.251.193.55 and 2600:9000:5301:3700::1; ns-563.awsdns-06.net to 205.251.194.51 and 2600:9000:5302:3300::1; ns-1421.awsdns-49.org to 205.251.197.141 and 2600:9000:5305:8d00::1; ns-1740.awsdns-25.co.uk to 205.251.198.204 and 2600:9000:5306:cc00::1.

Mail Servers

studyladder.net has one mail server: mail.studyladder.net.

mail.studyladder.net directs to just one IP number, 50.18.57.202.