`a1study.org`

DNSSEC	⚠️ Not signed
A	34.230.101.170^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
		PTR	`ec2-34-230-101-170.compute-1.amazonaws.com`
A	52.71.6.74^{🇺🇸 Amazon52.70.0.0/15 EC2 IAD prefix}
A	100.27.134.175^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
NS	`ns-41.awsdns-05.com` ⭐
		A	2600:9000:5300:2900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-41.awsdns-05.com`
		A	205.251.192.41^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-41.awsdns-05.com`
NS	`ns-1298.awsdns-34.org`
		A	2600:9000:5305:1200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1298.awsdns-34.org`
		A	205.251.197.18^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1298.awsdns-34.org`
NS	`ns-1754.awsdns-27.co.uk`
		A	2600:9000:5306:da00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1754.awsdns-27.co.uk`
		A	205.251.198.218^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1754.awsdns-27.co.uk`
NS	`ns-970.awsdns-57.net`
		A	2600:9000:5303:ca00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-970.awsdns-57.net`
		A	205.251.195.202^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-970.awsdns-57.net`
SOA	`ns-41.awsdns-05.com`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=1771291736

Same first word

a1study.co

a1study.com

a1study.org

DNS History

10 records (7 active, 3 former)

●NSns-1298.awsdns-34.org2026-03-01 → 2026-03-01 · 2 obs

● 2026-03-01 08:02:02
● 2026-03-01 20:24:10

●NSns-1754.awsdns-27.co.uk2026-03-01 → 2026-03-01 · 2 obs

● 2026-03-01 08:02:02
● 2026-03-01 20:24:10

●NSns-41.awsdns-05.com2026-03-01 → 2026-03-01 · 2 obs

● 2026-03-01 08:02:02
● 2026-03-01 20:24:10

●NSns-970.awsdns-57.net2026-03-01 → 2026-03-01 · 2 obs

● 2026-03-01 08:02:02
● 2026-03-01 20:24:10

●A100.27.134.1752026-03-01 → 2026-03-01 · 4 obs

● 2026-03-01 08:02:02
○ 2026-03-01 09:56:04
● 2026-03-01 20:24:08
● 2026-03-01 20:24:10

○A23.21.4.1922026-03-01 → 2026-03-01 · 4 obs

○ 2026-03-01 08:02:02
● 2026-03-01 09:56:04
○ 2026-03-01 20:24:08
○ 2026-03-01 20:24:10

●A34.230.101.1702026-03-01 → 2026-03-01 · 4 obs

● 2026-03-01 08:02:02
○ 2026-03-01 09:56:04
● 2026-03-01 20:24:08
● 2026-03-01 20:24:10

○A44.207.205.2372026-03-01 → 2026-03-01 · 4 obs

○ 2026-03-01 08:02:02
● 2026-03-01 09:56:04
○ 2026-03-01 20:24:08
○ 2026-03-01 20:24:10

●A52.71.6.742026-03-01 → 2026-03-01 · 4 obs

● 2026-03-01 08:02:02
○ 2026-03-01 09:56:04
● 2026-03-01 20:24:08
● 2026-03-01 20:24:10

○A54.87.189.1072026-03-01 → 2026-03-01 · 4 obs

○ 2026-03-01 08:02:02
● 2026-03-01 09:56:04
○ 2026-03-01 20:24:08
○ 2026-03-01 20:24:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
a1study.org	ns-41.awsdns-05.com, ns-1754.awsdns-27.co.uk, ns-970.awsdns-57.net, ns-1298.awsdns-34.org	1 record

✅ Authoritative Response

Server: 205.251.198.218

NS records: ns-41.awsdns-05.com, ns-1754.awsdns-27.co.uk, ns-970.awsdns-57.net, ns-1298.awsdns-34.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a1study.org (unsigned zone)

⏱️ Timing

Total: 627ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`44.205.210.203, 34.200.109.148...`
NS	4	`ns-1298.awsdns-34.org, ns-1754.awsdns-27.co.uk...`
SOA	1	`ns-41.awsdns-05.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1298.awsdns-34.org)

Analysis

IP Addresses

Three IP numbers are pointed to by a1study.org: 34.230.101.170, 52.71.6.74 and 100.27.134.175.

Name Servers

a1study.org is delegated to four name servers: ns-41.awsdns-05.com, ns-970.awsdns-57.net, ns-1298.awsdns-34.org and ns-1754.awsdns-27.co.uk.

a1study.org at least partially shares name servers with other domains, for instance cmeri.org, credocourseware.com, netgear.com.hk, frans.com and duphalac.pt.