`studyinlisbon.pt`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:a35^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:833d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.53^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.61^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aitana.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26de^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aitana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aitana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aitana.ns.cloudflare.com`
		A	108.162.194.222^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aitana.ns.cloudflare.com`
		A	162.159.38.222^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aitana.ns.cloudflare.com`
		A	172.64.34.222^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aitana.ns.cloudflare.com`
NS	`peyton.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bdd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`peyton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`peyton.ns.cloudflare.com`
		A	108.162.193.221^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	172.64.33.221^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	173.245.59.221^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.53, 172.67.131.61
		IPv6 hints	2606:4700:3036::6815:a35, 2606:4700:3037::ac43:833d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOA	`aitana.ns.cloudflare.com`dns@cloudflare.com serial=2410281306

`pt`

	DNSSEC	🔒 Signed (DS record present)
	NS	`curiosity.dns.pt` ⭐
	NS	`a.dns.pt`
	NS	`b.dns.pt`
	NS	`c.dns.pt`
	NS	`d.dns.pt`
	NS	`e.dns.pt`
	NS	`g.dns.pt`
	NS	`h.dns.pt`
	NS	`ns.dns.br` ⚠️ Not in parent delegation
	NS	`ns2.nic.fr` ⚠️ Not in parent delegation
	SOA	`curiosity.dns.pt`request@dns.pt 2026-08-10 #33

Same first word

studyinlisbon.pt

DNS History

19 records (6 active, 13 former)

●NSaitana.ns.cloudflare.com2026-05-28 → 2026-08-10 · 3 obs

○ 2026-03-23 15:03:58
● 2026-05-28 12:08:54
● 2026-08-10 15:54:18

○NSbellatrix2.cm-lisboa.pt2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:39:32
○ 2026-03-08 16:39:10
○ 2026-08-10 15:54:18

○NSinternet2.cm-lisboa.pt2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:39:32
○ 2026-03-08 16:39:10
○ 2026-08-10 15:54:18

○NSnetpub.cm-lisboa.pt2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:39:32
○ 2026-03-08 16:39:10
○ 2026-08-10 15:54:18

○NSns1.studyinlisbon.pt2026-03-08 → 2026-03-23 · 5 obs

○ 2018-05-07 19:39:32
● 2026-03-08 16:39:10
● 2026-03-23 15:03:58
○ 2026-05-28 12:08:54
○ 2026-08-10 15:54:18

○NSns2.studyinlisbon.pt2026-03-08 → 2026-03-23 · 5 obs

○ 2018-05-07 19:39:32
● 2026-03-08 16:39:10
● 2026-03-23 15:03:58
○ 2026-05-28 12:08:54
○ 2026-08-10 15:54:18

●NSpeyton.ns.cloudflare.com2026-05-28 → 2026-08-10 · 3 obs

○ 2026-03-23 15:03:58
● 2026-05-28 12:08:54
● 2026-08-10 15:54:18

●A104.21.10.532026-05-28 → 2026-08-10 · 8 obs

○ 2026-03-23 15:03:58
● 2026-05-28 12:08:54
● 2026-06-11 14:29:58
○ 2026-06-12 07:27:24
● 2026-07-02 03:29:36
○ 2026-07-17 09:54:30
● 2026-07-24 17:37:34
● 2026-08-10 15:54:18

●A172.67.131.612026-05-28 → 2026-08-10 · 8 obs

○ 2026-03-23 15:03:58
● 2026-05-28 12:08:54
● 2026-06-11 14:29:58
○ 2026-06-12 07:27:24
● 2026-07-02 03:29:36
○ 2026-07-17 09:54:30
● 2026-07-24 17:37:34
● 2026-08-10 15:54:18

○A176.124.252.112026-03-08 → 2026-03-23 · 5 obs

○ 2018-05-07 19:39:32
● 2026-03-08 16:39:10
● 2026-03-23 15:03:58
○ 2026-05-28 12:08:54
○ 2026-08-10 15:54:18

○A176.124.252.1122018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:39:32
○ 2026-03-08 16:39:10
○ 2026-08-10 15:54:18

○A188.114.96.02026-06-12 → 2026-07-17 · 6 obs

○ 2026-06-11 14:29:58
● 2026-06-12 07:27:24
○ 2026-07-02 03:29:36
● 2026-07-17 09:54:30
○ 2026-07-24 17:37:34
○ 2026-08-10 15:54:18

○A188.114.97.02026-06-12 → 2026-07-17 · 6 obs

○ 2026-06-11 14:29:58
● 2026-06-12 07:27:24
○ 2026-07-02 03:29:36
● 2026-07-17 09:54:30
○ 2026-07-24 17:37:34
○ 2026-08-10 15:54:18

○A2606:4700:3033::6815:a352026-05-28 → 2026-07-02 · 7 obs

○ 2026-03-23 15:03:58
● 2026-05-28 12:08:54
● 2026-06-11 14:29:58
○ 2026-06-12 07:27:24
● 2026-07-02 03:29:36
○ 2026-07-13 23:30:28
○ 2026-08-10 15:54:18

○A2606:4700:3035::ac43:833d2026-05-28 → 2026-07-02 · 7 obs

○ 2026-03-23 15:03:58
● 2026-05-28 12:08:54
● 2026-06-11 14:29:58
○ 2026-06-12 07:27:24
● 2026-07-02 03:29:36
○ 2026-07-13 23:30:28
○ 2026-08-10 15:54:18

●A2606:4700:3036::6815:a352026-07-13 → 2026-08-10 · 5 obs

○ 2026-07-02 03:29:36
● 2026-07-13 23:30:28
○ 2026-07-17 09:54:30
● 2026-07-24 17:37:34
● 2026-08-10 15:54:18

●A2606:4700:3037::ac43:833d2026-07-13 → 2026-08-10 · 5 obs

○ 2026-07-02 03:29:36
● 2026-07-13 23:30:28
○ 2026-07-17 09:54:30
● 2026-07-24 17:37:34
● 2026-08-10 15:54:18

○A2a06:98c1:3120::2026-06-12 → 2026-07-17 · 6 obs

○ 2026-06-11 14:29:58
● 2026-06-12 07:27:24
○ 2026-07-02 03:29:36
● 2026-07-17 09:54:30
○ 2026-07-24 17:37:34
○ 2026-08-10 15:54:18

○A2a06:98c1:3121::2026-06-12 → 2026-07-17 · 6 obs

○ 2026-06-11 14:29:58
● 2026-06-12 07:27:24
○ 2026-07-02 03:29:36
● 2026-07-17 09:54:30
○ 2026-07-24 17:37:34
○ 2026-08-10 15:54:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	-
studyinlisbon.pt	aitana.ns.cloudflare.com, peyton.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.222

NS records: aitana.ns.cloudflare.com, peyton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyinlisbon.pt (unsigned zone)

⏱️ Timing

Total: 888ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.61, 104.21.10.53`
AAAA	2	`2606:4700:3036::6815:a35, 2606:4700:3037::ac43:833d`
NS	2	`aitana.ns.cloudflare.com, peyton.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aitana.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

studyinlisbon.pt directs to four IP numbers, which are 104.21.10.53, 172.67.131.61, 2606:4700:3036::6815:a35 and 2606:4700:3037::ac43:833d.

Additional host names — www.eurofussball.at, www.ddggdd.com, akoam.com and two others — share IP numbers with studyinlisbon.pt.

Name Servers

studyinlisbon.pt has two authoritative name servers — aitana.ns.cloudflare.com and peyton.ns.cloudflare.com.

studyinlisbon.pt shares its name server setup with other domains, including openai-chatkit-starter-app-kny.pages.dev, am-lisboa.pt, cmlisboa.pt and two others.

The name servers of studyinlisbon.pt overlap at least partially with those of other domains — among them zmbfayru.cc, yifysub.com, web-directory-sites.org and two more.

The name servers olivia.ns.cloudflare.com, dell.ns.cloudflare.com and andronicus.ns.cloudflare.com are commonly seen alongside these name servers.

Host names with 6 IP numbers:

aitana.ns.cloudflare.com points to 108.162.194.222, 162.159.38.222, 172.64.34.222 and 3 other IP addresses.

peyton.ns.cloudflare.com points to 108.162.193.221, 172.64.33.221, 173.245.59.221 and 3 other IP addresses.

studyinlisbon.pt - robtex.com