`study.ac.id`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:31c7^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a6ce^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.199^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.206^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`donovan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c72^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donovan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c372^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donovan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2372^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donovan.ns.cloudflare.com`
		A	108.162.195.114^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donovan.ns.cloudflare.com`
		A	162.159.44.114^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donovan.ns.cloudflare.com`
		A	172.64.35.114^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donovan.ns.cloudflare.com`
NS	`gigi.ns.cloudflare.com`
		A	2606:4700:50::a29f:260c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gigi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c20c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gigi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:220c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gigi.ns.cloudflare.com`
		A	108.162.194.12^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gigi.ns.cloudflare.com`
		A	162.159.38.12^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gigi.ns.cloudflare.com`
		A	172.64.34.12^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gigi.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.199, 172.67.166.206
		IPv6 hints	2606:4700:3031::6815:31c7, 2606:4700:3036::ac43:a6ce
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com
SOA	`donovan.ns.cloudflare.com`dns@cloudflare.com serial=2404404650

`ac.id`

	DNSSEC	⚠️ Not signed
	NS	`b.dns.id` ⭐ ⚠️ Not in parent delegation
	NS	`c.dns.id` ⚠️ Not in parent delegation
	NS	`d.dns.id` ⚠️ Not in parent delegation
	NS	`e.dns.id` ⚠️ Not in parent delegation
	SOA	`b.dns.id`hostmaster@pandi.id serial=2025202688

Same first word

study.gr.jp

study.travel

study

study.mx

study.in.th

study.direct

study.zone

study.jp

study.co.jp

study.cm

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study.vic.gov.au

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study.mba

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study.go.kr

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study.loans

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study.matrix.jp

study.brussels

study.it

Similar names

dusty.org

dusty.codes

dutys.com

duyts.amsterdam

dusty.se

dusty.cz

dusty.readthedocs.io

dusty.gr

dusty.no

dusty.page

stduy.com

dusty.wtf

dusty.tv

dusty.ru

dyust.io

dusty.nl

dusty.dk

dusty.work

ystud.com

dusty.com

tydus.com

dusty.ee

dusty.us

dstuy.com

dusty.co.uk

DNS History

14 records (6 active, 8 former)

●NSdonovan.ns.cloudflare.com2026-05-16 → 2026-05-31 · 2 obs

● 2026-05-16 04:51:58
● 2026-05-31 06:21:42

●NSgigi.ns.cloudflare.com2026-05-16 → 2026-05-31 · 2 obs

● 2026-05-16 04:51:58
● 2026-05-31 06:21:42

●A104.21.49.1992026-05-16 → 2026-05-31 · 6 obs

● 2026-05-16 04:51:58
● 2026-05-23 01:06:42
○ 2026-05-24 07:53:16
○ 2026-05-24 08:27:54
● 2026-05-24 09:45:38
● 2026-05-31 06:21:42

●A172.67.166.2062026-05-16 → 2026-05-31 · 6 obs

● 2026-05-16 04:51:58
● 2026-05-23 01:06:42
○ 2026-05-24 07:53:16
○ 2026-05-24 08:27:54
● 2026-05-24 09:45:38
● 2026-05-31 06:21:42

○A188.114.96.02026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-23 01:06:42
● 2026-05-24 07:53:16
○ 2026-05-24 08:27:54
○ 2026-05-31 06:21:42

○A188.114.96.42026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-24 07:53:16
● 2026-05-24 08:27:54
○ 2026-05-24 09:45:38
○ 2026-05-31 06:21:42

○A188.114.97.02026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-23 01:06:42
● 2026-05-24 07:53:16
○ 2026-05-24 08:27:54
○ 2026-05-31 06:21:42

○A188.114.97.42026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-24 07:53:16
● 2026-05-24 08:27:54
○ 2026-05-24 09:45:38
○ 2026-05-31 06:21:42

●A2606:4700:3031::6815:31c72026-05-16 → 2026-05-31 · 6 obs

● 2026-05-16 04:51:58
● 2026-05-23 01:06:42
○ 2026-05-24 07:53:16
○ 2026-05-24 08:27:54
● 2026-05-24 09:45:38
● 2026-05-31 06:21:42

●A2606:4700:3036::ac43:a6ce2026-05-16 → 2026-05-31 · 6 obs

● 2026-05-16 04:51:58
● 2026-05-23 01:06:42
○ 2026-05-24 07:53:16
○ 2026-05-24 08:27:54
● 2026-05-24 09:45:38
● 2026-05-31 06:21:42

○A2a06:98c1:3120::2026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-23 01:06:42
● 2026-05-24 07:53:16
○ 2026-05-24 08:27:54
○ 2026-05-31 06:21:42

○A2a06:98c1:3120::42026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-24 07:53:16
● 2026-05-24 08:27:54
○ 2026-05-24 09:45:38
○ 2026-05-31 06:21:42

○A2a06:98c1:3121::2026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-23 01:06:42
● 2026-05-24 07:53:16
○ 2026-05-24 08:27:54
○ 2026-05-31 06:21:42

○A2a06:98c1:3121::42026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-24 07:53:16
● 2026-05-24 08:27:54
○ 2026-05-24 09:45:38
○ 2026-05-31 06:21:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
id	b.dns.id, c.dns.id, d.dns.id, e.dns.id...	10 records
study.ac.id	gigi.ns.cloudflare.com, donovan.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.12

NS records: gigi.ns.cloudflare.com, donovan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study.ac.id (unsigned zone)

⏱️ Timing

Total: 558ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.166.206, 104.21.49.199`
AAAA	2	`2606:4700:3036::ac43:a6ce, 2606:4700:3031::6815:31c7`
NS	2	`donovan.ns.cloudflare.com, gigi.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`donovan.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (b.dns.id, b.dns.id, c.dns.id...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

IP Addresses

study.ac.id points to 4 IP addresses — 104.21.49.199, 172.67.166.206, 2606:4700:3031::6815:31c7 and 2606:4700:3036::ac43:a6ce.

pullhead.com, photoshoponlinefree.com, uangpoker.com plus two other host names have IP numbers in common with study.ac.id.

Name Servers

DNS delegation for study.ac.id points to two name servers: donovan.ns.cloudflare.com and gigi.ns.cloudflare.com.

The name server configuration of study.ac.id is shared with other domains, for instance brancon.pl, taxlawadvocates.com, roguecuts.com and two others.

The name servers of study.ac.id overlap at least partially with those of other domains — among them 5091y.com, cjbarroso.com, joker-win1.com and two more.

These name servers commonly appear in combination with the name servers lynn.ns.cloudflare.com.

Hosts with 6 IP addresses each:

donovan.ns.cloudflare.com resolves to 108.162.195.114, 162.159.44.114 and 172.64.35.114, along with three other IP addresses.

gigi.ns.cloudflare.com resolves to 108.162.194.12, 162.159.38.12 and 172.64.34.12, along with three other IP addresses.

study.ac.id - robtex.com

study.ac.id

ac.id

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`study.ac.id`

`ac.id`