`studytracker.io`

DNSSEC	⚠️ Not signed
A	13.33.109.48^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
		PTR	`server-13-33-109-48.bos50.r.cloudfront.net`
A	13.33.109.70^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.111^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.125^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
NS	`ns-894.awsdns-47.net` ⭐
		A	2600:9000:5303:7e00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-894.awsdns-47.net`
		A	205.251.195.126^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-894.awsdns-47.net`
NS	`ns-1185.awsdns-20.org`
		A	2600:9000:5304:a100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1185.awsdns-20.org`
		A	205.251.196.161^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1185.awsdns-20.org`
NS	`ns-1735.awsdns-24.co.uk`
		A	2600:9000:5306:c700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1735.awsdns-24.co.uk`
		A	205.251.198.199^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1735.awsdns-24.co.uk`
NS	`ns-211.awsdns-26.com`
		A	2600:9000:5300:d300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-211.awsdns-26.com`
		A	205.251.192.211^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-211.awsdns-26.com`
TXT	`google-site-verification=lh9Os8kfecJTaQArTU-J8b0HS_KtOUAkROQtk5KFpGs`
SOA	`ns-894.awsdns-47.net`awsdns-hostmaster@amazon.com serial=1

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1777673037

Same first word

studytracker.io

studytracker.org

DNS History

64 records (8 active, 56 former)

●NSns-1185.awsdns-20.org2026-02-18 → 2026-05-01 · 2 obs

● 2026-02-18 02:03:18
● 2026-05-01 22:13:30

●NSns-1735.awsdns-24.co.uk2026-02-18 → 2026-05-01 · 2 obs

● 2026-02-18 02:03:18
● 2026-05-01 22:13:30

●NSns-211.awsdns-26.com2026-02-18 → 2026-05-01 · 2 obs

● 2026-02-18 02:03:18
● 2026-05-01 22:13:30

●NSns-894.awsdns-47.net2026-02-18 → 2026-05-01 · 2 obs

● 2026-02-18 02:03:18
● 2026-05-01 22:13:30

○A108.158.137.1002026-04-03 → 2026-04-28 · 14 obs

○ 2026-04-03 13:54:26
● 2026-04-03 18:27:04
● 2026-04-03 22:54:10
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● 2026-04-23 08:29:04
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○ 2026-04-28 00:28:38
● 2026-04-28 01:48:48
○ 2026-04-28 08:48:36
○ 2026-05-01 22:13:30

○A108.158.137.1162026-04-03 → 2026-04-28 · 14 obs

○A108.158.137.542026-04-03 → 2026-04-28 · 14 obs

○A108.158.137.972026-04-03 → 2026-04-28 · 14 obs

○A13.224.252.1052026-04-29 → 2026-05-01 · 22 obs

○ 2026-04-29 06:56:12
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○ 2026-05-01 22:13:30

○A13.224.252.462026-04-29 → 2026-05-01 · 22 obs

○A13.224.252.692026-04-29 → 2026-05-01 · 22 obs

○A13.224.252.832026-04-29 → 2026-05-01 · 22 obs

○A13.225.107.1142026-03-28 → 2026-04-28 · 80 obs

○ 2026-03-28 02:12:44
● 2026-03-28 15:04:56
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○ 2026-04-27 00:33:28
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○ 2026-05-01 22:13:30

○A13.225.107.1222026-03-28 → 2026-04-28 · 80 obs

○A13.225.107.1242026-03-28 → 2026-04-28 · 80 obs

○A13.225.107.252026-03-28 → 2026-04-28 · 80 obs

○A13.249.91.1022026-03-07 → 2026-03-14 · 8 obs

○ 2026-03-07 14:59:44
● 2026-03-07 21:07:18
● 2026-03-08 03:05:04
○ 2026-03-08 06:27:24
○ 2026-03-14 06:49:14
● 2026-03-14 11:49:40
○ 2026-03-14 14:40:38
○ 2026-05-01 22:13:30

○A13.249.91.1162026-03-07 → 2026-03-14 · 8 obs

○ 2026-03-07 14:59:44
● 2026-03-07 21:07:18
● 2026-03-08 03:05:04
○ 2026-03-08 06:27:24
○ 2026-03-14 06:49:14
● 2026-03-14 11:49:40
○ 2026-03-14 14:40:38
○ 2026-05-01 22:13:30

○A13.249.91.342026-03-07 → 2026-03-14 · 8 obs

○ 2026-03-07 14:59:44
● 2026-03-07 21:07:18
● 2026-03-08 03:05:04
○ 2026-03-08 06:27:24
○ 2026-03-14 06:49:14
● 2026-03-14 11:49:40
○ 2026-03-14 14:40:38
○ 2026-05-01 22:13:30

○A13.249.91.412026-03-07 → 2026-03-14 · 8 obs

○ 2026-03-07 14:59:44
● 2026-03-07 21:07:18
● 2026-03-08 03:05:04
○ 2026-03-08 06:27:24
○ 2026-03-14 06:49:14
● 2026-03-14 11:49:40
○ 2026-03-14 14:40:38
○ 2026-05-01 22:13:30

●A13.33.109.1112026-04-24 → 2026-05-01 · 48 obs

○ 2026-04-24 06:07:22
● 2026-04-24 07:15:44
○ 2026-04-24 08:03:52
○ 2026-04-25 01:41:56
● 2026-04-25 05:25:12
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● 2026-04-26 07:05:16
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● 2026-04-27 00:33:28
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● 2026-05-01 22:13:30

●A13.33.109.1252026-04-24 → 2026-05-01 · 48 obs

●A13.33.109.482026-04-24 → 2026-05-01 · 48 obs

●A13.33.109.702026-04-24 → 2026-05-01 · 48 obs

○A13.33.235.1172026-03-23 → 2026-03-27 · 13 obs

○ 2026-03-23 08:28:50
● 2026-03-23 09:45:02
● 2026-03-23 12:36:00
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● 2026-03-27 18:25:00
○ 2026-03-27 21:25:54
○ 2026-05-01 22:13:30

○A13.33.235.292026-03-23 → 2026-03-27 · 13 obs

○A13.33.235.72026-03-23 → 2026-03-27 · 13 obs

○A13.33.235.722026-03-23 → 2026-03-27 · 13 obs

○A18.164.154.182026-02-24 → 2026-03-20 · 58 obs

○ 2026-02-23 20:11:34
● 2026-02-24 16:41:48
○ 2026-02-26 08:30:42
● 2026-02-26 11:26:52
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○ 2026-05-01 22:13:30

○A18.164.154.402026-02-24 → 2026-03-20 · 58 obs

○A18.164.154.462026-02-24 → 2026-03-20 · 58 obs

○A18.164.154.52026-02-24 → 2026-03-20 · 58 obs

○A18.165.201.1112026-03-03 → 2026-04-21 · 25 obs

○ 2026-03-03 09:44:20
● 2026-03-03 23:25:32
● 2026-03-04 01:10:54
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○ 2026-05-01 22:13:30

○A18.165.201.202026-03-03 → 2026-04-21 · 25 obs

○A18.165.201.732026-03-03 → 2026-04-21 · 25 obs

○A18.165.201.82026-03-03 → 2026-04-21 · 25 obs

○A18.67.76.132026-02-18 → 2026-04-19 · 35 obs

● 2026-02-18 02:03:18
● 2026-02-18 17:47:36
○ 2026-02-18 18:50:24
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○A18.67.76.422026-02-18 → 2026-04-19 · 35 obs

○A18.67.76.892026-02-18 → 2026-04-19 · 35 obs

○A18.67.76.922026-02-18 → 2026-04-19 · 35 obs

○A216.137.44.362026-02-18 → 2026-05-01 · 244 obs

○ 2026-02-18 17:47:36
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○A216.137.44.432026-02-18 → 2026-05-01 · 244 obs

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○A3.165.232.982026-03-22 → 2026-03-22 · 4 obs

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○A3.174.29.162026-04-12 → 2026-04-20 · 35 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io	-
studytracker.io	ns-211.awsdns-26.com, ns-894.awsdns-47.net, ns-1185.awsdns-20.org, ns-1735.awsdns-24.co.uk	-

✅ Authoritative Response

Server:205.251.192.211

NS records: ns-211.awsdns-26.com, ns-894.awsdns-47.net, ns-1185.awsdns-20.org, ns-1735.awsdns-24.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studytracker.io (unsigned zone)

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.125, 13.33.109.70...`
NS	4	`ns-1185.awsdns-20.org, ns-1735.awsdns-24.co.uk...`
TXT	1	`google-site-verification=lh9Os8kfecJTaQA`
SOA	1	`ns-894.awsdns-47.net awsdns-hostmaster.a`