islearning.org - dns.ninja

`islearning.org`

DNSSEC	⚠️ Not signed
A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`ns-1838.awsdns-37.co.uk` ⭐
		A	2600:9000:5307:2e00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1838.awsdns-37.co.uk`
		A	205.251.199.46^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1838.awsdns-37.co.uk`
NS	`ns-102.awsdns-12.com`
		A	2600:9000:5300:6600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-102.awsdns-12.com`
		A	205.251.192.102^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-102.awsdns-12.com`
NS	`ns-1386.awsdns-45.org`
		A	2600:9000:5305:6a00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1386.awsdns-45.org`
		A	205.251.197.106^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1386.awsdns-45.org`
NS	`ns-903.awsdns-48.net`
		A	2600:9000:5303:8700::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-903.awsdns-48.net`
		A	205.251.195.135^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-903.awsdns-48.net`
MX	`inbound-smtp.eu-west-1.amazonaws.com` ⭐
		A	18.200.203.69^{🇮🇪 Amazon18.200.0.0/16 EC2 DUB prefix}
			PTR	`ec2-18-200-203-69.eu-west-1.compute.amazonaws.com`
		A	54.76.31.185^{🇮🇪 Amazon54.76.0.0/15 EC2 DUB prefix}
			PTR	`ec2-54-76-31-185.eu-west-1.compute.amazonaws.com`
		A	54.155.140.59^{🇮🇪 Amazon54.155.0.0/16 EC2 DUB prefix}
			PTR	`ec2-54-155-140-59.eu-west-1.compute.amazonaws.com`
TXT	`v=spf1 include:amazonses.com ~all`
SOA	`ns-1838.awsdns-37.co.uk`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786618552

Same first word

islearning.kr

islearning.com

islearning.org

Similar names

DNS History

23 records (13 active, 10 former)

●NSns-102.awsdns-12.com2026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●NSns-1386.awsdns-45.org2026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●NSns-1838.awsdns-37.co.uk2026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●NSns-903.awsdns-48.net2026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

○NSns.dandomain.dk2016-03-18 → 2017-04-10 · 5 obs

○ 2015-12-18 22:50:04
● 2016-03-18 11:50:12
● 2017-04-10 22:21:54
○ 2026-02-17 21:12:38
○ 2026-08-13 11:31:48

○NSns01.one.com2015-08-22 → 2015-12-18 · 4 obs

● 2015-08-22 23:13:22
● 2015-12-18 22:50:04
○ 2016-03-18 11:50:12
○ 2026-08-13 11:31:48

○NSns02.one.com2015-08-22 → 2015-12-18 · 4 obs

● 2015-08-22 23:13:22
● 2015-12-18 22:50:04
○ 2016-03-18 11:50:12
○ 2026-08-13 11:31:48

○NSns2.dandomain.dk2016-03-18 → 2017-04-10 · 5 obs

○ 2015-12-18 22:50:04
● 2016-03-18 11:50:12
● 2017-04-10 22:21:54
○ 2026-02-17 21:12:38
○ 2026-08-13 11:31:48

○NSns3.dandomain.dk2016-03-18 → 2017-04-10 · 5 obs

○ 2015-12-18 22:50:04
● 2016-03-18 11:50:12
● 2017-04-10 22:21:54
○ 2026-02-17 21:12:38
○ 2026-08-13 11:31:48

●MXinbound-smtp.eu-west-1.amazonaws.com2026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

○MXmx01.dandomain.dk2016-03-18 → 2017-04-10 · 5 obs

○ 2015-12-18 22:50:04
● 2016-03-18 11:50:12
● 2017-04-10 22:21:54
○ 2026-02-17 21:12:38
○ 2026-08-13 11:31:48

○MXmxcluster1.one.com2015-08-22 → 2015-12-18 · 4 obs

● 2015-08-22 23:13:22
● 2015-12-18 22:50:04
○ 2016-03-18 11:50:12
○ 2026-08-13 11:31:48

○MXmxcluster2.one.com2015-08-22 → 2015-12-18 · 4 obs

● 2015-08-22 23:13:22
● 2015-12-18 22:50:04
○ 2016-03-18 11:50:12
○ 2026-08-13 11:31:48

●A185.199.108.1532026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●A185.199.109.1532026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●A185.199.110.1532026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●A185.199.111.1532026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

○A194.150.113.372016-03-18 → 2017-04-10 · 5 obs

○ 2015-12-18 22:50:04
● 2016-03-18 11:50:12
● 2017-04-10 22:21:54
○ 2026-02-17 21:12:38
○ 2026-08-13 11:31:48

●A2606:50c0:8000::1532026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●A2606:50c0:8001::1532026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●A2606:50c0:8002::1532026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

●A2606:50c0:8003::1532026-02-17 → 2026-08-13 · 3 obs

○ 2017-04-10 22:21:54
● 2026-02-17 21:12:38
● 2026-08-13 11:31:48

○A46.30.212.22015-08-22 → 2015-12-18 · 4 obs

● 2015-08-22 23:13:22
● 2015-12-18 22:50:04
○ 2016-03-18 11:50:12
○ 2026-08-13 11:31:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
islearning.org	ns-1838.awsdns-37.co.uk, ns-903.awsdns-48.net, ns-102.awsdns-12.com, ns-1386.awsdns-45.org	2 records

✅ Authoritative Response

Server:205.251.195.135

NS records: ns-1838.awsdns-37.co.uk, ns-903.awsdns-48.net, ns-102.awsdns-12.com, ns-1386.awsdns-45.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for islearning.org (unsigned zone)

⏱️ Timing

Total: 582ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.153, 185.199.109.153...`
AAAA	4	`2606:50c0:8001::153, 2606:50c0:8003::153...`
NS	4	`ns-102.awsdns-12.com, ns-1386.awsdns-45.org...`
MX	1	`inbound-smtp.eu-west-1.amazonaws.com (pr`
TXT	1	`v=spf1 include:amazonses.com ~all`
SOA	1	`ns-1838.awsdns-37.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1386.awsdns-45.org, ns-1386.awsdns-45.org)

Analysis

IP Addresses

islearning.org directs to 8 IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.

Two other host names, along with omar16100.github.io, chaostoolkit.org and yourfriendjohn.com, also share IP numbers with islearning.org.

Name Servers

The NS records for islearning.org point to four name servers: ns-102.awsdns-12.com, ns-903.awsdns-48.net, ns-1386.awsdns-45.org and ns-1838.awsdns-37.co.uk.

islearning.org partially shares its NS delegation with several other domains, including ymeg-cosmic.com, yachtworld.nl, aida-mar.info and two others.

ns-102.awsdns-12.com, ns-903.awsdns-48.net, ns-1386.awsdns-45.org and ns-1838.awsdns-37.co.uk each carry two IP addresses. ns-102.awsdns-12.com has 205.251.192.102 and 2600:9000:5300:6600::1; ns-903.awsdns-48.net has 205.251.195.135 and 2600:9000:5303:8700::1; ns-1386.awsdns-45.org has 205.251.197.106 and 2600:9000:5305:6a00::1; ns-1838.awsdns-37.co.uk has 205.251.199.46 and 2600:9000:5307:2e00::1.

Mail Servers

The sole mail server for islearning.org is inbound-smtp.eu-west-1.amazonaws.com.

Among the domains sharing a mail server setup with islearning.org are eflangtech.com, tenderradar.nl, sanitex.es and two others.

There is at least a partial MX overlap between islearning.org and other domains, including avipayng.com, mintech.de, artursalisz.com and two others.

inbound-smtp.eu-west-1.amazonaws.com maps to three IP addresses — 18.200.203.69, 54.76.31.185 and 54.155.140.59.