`thoitiet.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3f9d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ab09^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.157^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.9^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`annabel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26cf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annabel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2cf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`annabel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22cf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`annabel.ns.cloudflare.com`
		A	108.162.194.207^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annabel.ns.cloudflare.com`
		A	162.159.38.207^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annabel.ns.cloudflare.com`
		A	172.64.34.207^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annabel.ns.cloudflare.com`
NS	`porter.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cf3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`porter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`porter.ns.cloudflare.com`
		A	108.162.195.243^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	162.159.44.243^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	172.64.35.243^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.157, 172.67.171.9
		IPv6 hints	2606:4700:3030::6815:3f9d, 2606:4700:3037::ac43:ab09
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOA	`annabel.ns.cloudflare.com`dns@cloudflare.com serial=2407955567

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

thoitiet.app

thoitiet.online

thoitiet.vn

thoitiet.tv

thoitiet.info

thoitiet.dev

thoitiet.com.vn

thoitiet.net.vn

thoitiet.edu.vn

thoitiet.com

thoitiet.io

thoitiet.org

thoitiet.net

DNS History

16 records (6 active, 10 former)

●NSannabel.ns.cloudflare.com2026-05-17 → 2026-07-17 · 2 obs

● 2026-05-17 02:58:02
● 2026-07-17 15:49:58

●NSporter.ns.cloudflare.com2026-05-17 → 2026-07-17 · 2 obs

● 2026-05-17 02:58:02
● 2026-07-17 15:49:58

●A104.21.63.1572026-05-17 → 2026-07-17 · 5 obs

● 2026-05-17 02:58:02
● 2026-06-11 12:14:24
○ 2026-06-12 04:28:56
● 2026-06-21 18:57:48
● 2026-07-17 15:49:58

●A172.67.171.92026-05-17 → 2026-07-17 · 5 obs

● 2026-05-17 02:58:02
● 2026-06-11 12:14:24
○ 2026-06-12 04:28:56
● 2026-06-21 18:57:48
● 2026-07-17 15:49:58

○A188.114.96.02026-06-12 → 2026-06-12 · 4 obs

○ 2026-06-11 12:14:24
● 2026-06-12 04:28:56
○ 2026-06-21 17:20:22
○ 2026-07-17 15:49:58

○A188.114.96.42026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-12 04:28:56
● 2026-06-21 17:20:22
○ 2026-06-21 18:57:48
○ 2026-07-17 15:49:58

○A188.114.97.02026-06-12 → 2026-06-12 · 4 obs

○ 2026-06-11 12:14:24
● 2026-06-12 04:28:56
○ 2026-06-21 17:20:22
○ 2026-07-17 15:49:58

○A188.114.97.42026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-12 04:28:56
● 2026-06-21 17:20:22
○ 2026-06-21 18:57:48
○ 2026-07-17 15:49:58

●A2606:4700:3030::6815:3f9d2026-06-21 → 2026-07-17 · 3 obs

○ 2026-06-21 17:20:22
● 2026-06-21 18:57:48
● 2026-07-17 15:49:58

○A2606:4700:3031::6815:3f9d2026-05-17 → 2026-06-11 · 4 obs

● 2026-05-17 02:58:02
● 2026-06-11 12:14:24
○ 2026-06-12 04:28:56
○ 2026-07-17 15:49:58

○A2606:4700:3031::ac43:ab092026-05-17 → 2026-06-11 · 4 obs

● 2026-05-17 02:58:02
● 2026-06-11 12:14:24
○ 2026-06-12 04:28:56
○ 2026-07-17 15:49:58

●A2606:4700:3037::ac43:ab092026-06-21 → 2026-07-17 · 3 obs

○ 2026-06-21 17:20:22
● 2026-06-21 18:57:48
● 2026-07-17 15:49:58

○A2a06:98c1:3120::2026-06-12 → 2026-06-12 · 4 obs

○ 2026-06-11 12:14:24
● 2026-06-12 04:28:56
○ 2026-06-21 17:20:22
○ 2026-07-17 15:49:58

○A2a06:98c1:3120::42026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-12 04:28:56
● 2026-06-21 17:20:22
○ 2026-06-21 18:57:48
○ 2026-07-17 15:49:58

○A2a06:98c1:3121::2026-06-12 → 2026-06-12 · 4 obs

○ 2026-06-11 12:14:24
● 2026-06-12 04:28:56
○ 2026-06-21 17:20:22
○ 2026-07-17 15:49:58

○A2a06:98c1:3121::42026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-12 04:28:56
● 2026-06-21 17:20:22
○ 2026-06-21 18:57:48
○ 2026-07-17 15:49:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
thoitiet.dev	annabel.ns.cloudflare.com, porter.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.243

NS records: annabel.ns.cloudflare.com, porter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thoitiet.dev (unsigned zone)

⏱️ Timing

Total: 604ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.171.9, 104.21.63.157`
AAAA	2	`2606:4700:3030::6815:3f9d, 2606:4700:3037::ac43:ab09`
NS	2	`annabel.ns.cloudflare.com, porter.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`annabel.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

thoitiet.dev directs to four IP numbers, which are 104.21.63.157, 172.67.171.9, 2606:4700:3030::6815:3f9d and 2606:4700:3037::ac43:ab09.

parkerdiving.com, 916notary.com, pixelvault.io plus two other host names have IP numbers in common with thoitiet.dev.

Name Servers

thoitiet.dev has two authoritative name servers — annabel.ns.cloudflare.com and porter.ns.cloudflare.com.

The name server configuration of thoitiet.dev is shared with other domains, for instance de-24h.com, freeday.chat, childrenwithhairloss.us and two others.

There is at least partial name server overlap between thoitiet.dev and other domains — skuu.cn, szaman.pl, ne-rabotaet-youtube.ru and two more among them.

These name servers frequently co-occur with the name servers julio.ns.cloudflare.com and miki.ns.cloudflare.com.

Hosts with 6 IP addresses each:

annabel.ns.cloudflare.com points to 108.162.194.207, 162.159.38.207, 172.64.34.207 and 3 other IP addresses.

porter.ns.cloudflare.com points to 108.162.195.243, 162.159.44.243, 172.64.35.243 and 3 other IP addresses.

thoitiet.dev - robtex.com

thoitiet.dev

dev

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`thoitiet.dev`

`dev`