`sintzo.com`

DNSSEC	⚠️ Not signed
A	104.21.92.102^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.139^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leah.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c081^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2081^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leah.ns.cloudflare.com`
		A	108.162.192.129^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	172.64.32.129^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	173.245.58.129^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
NS	`quincy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c27^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c327^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`quincy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2327^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`quincy.ns.cloudflare.com`
		A	108.162.195.39^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	162.159.44.39^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	172.64.35.39^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.21.92.102, 172.67.191.139
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com
SOA	`leah.ns.cloudflare.com`dns@cloudflare.com serial=2408926644

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784115507

⚠️ On DNS blocklist: tif

Subdomains

www.sintzo.com

Same first word

sintzo.com

Similar names

sziton.com

stinzo.com

tizons.sk

istzno.dp.ua

ziston.ru

sziont.ru

stizon.nl

zoints.com

tzsino.com

DNS History

10 records (4 active, 6 former)

○NScameron.ns.cloudflare.com2026-04-14 → 2026-05-09 · 4 obs

● 2026-04-14 20:09:30
● 2026-05-09 10:04:44
○ 2026-06-13 20:34:22
○ 2026-07-15 11:56:52

●NSleah.ns.cloudflare.com2026-06-13 → 2026-07-15 · 3 obs

○ 2026-05-09 10:04:44
● 2026-06-13 20:34:22
● 2026-07-15 11:56:52

●NSquincy.ns.cloudflare.com2026-06-13 → 2026-07-15 · 3 obs

○ 2026-05-09 10:04:44
● 2026-06-13 20:34:22
● 2026-07-15 11:56:52

○NSsue.ns.cloudflare.com2026-04-14 → 2026-05-09 · 4 obs

● 2026-04-14 20:09:30
● 2026-05-09 10:04:44
○ 2026-06-13 20:34:22
○ 2026-07-15 11:56:52

●A104.21.92.1022026-04-14 → 2026-07-15 · 2 obs

● 2026-04-14 20:09:30
● 2026-07-15 11:56:52

●A172.67.191.1392026-04-14 → 2026-07-15 · 2 obs

● 2026-04-14 20:09:30
● 2026-07-15 11:56:52

○A2606:4700:3030::ac43:bf8b2026-04-14 → 2026-06-13 · 4 obs

● 2026-04-14 20:09:30
● 2026-06-13 20:34:22
○ 2026-07-07 09:36:40
○ 2026-07-15 11:56:52

○A2606:4700:3031::6815:5c662026-04-14 → 2026-06-13 · 4 obs

● 2026-04-14 20:09:30
● 2026-06-13 20:34:22
○ 2026-07-07 09:36:40
○ 2026-07-15 11:56:52

○A2606:4700:3034::ac43:bf8b2026-07-07 → 2026-07-07 · 3 obs

○ 2026-06-13 20:34:22
● 2026-07-07 09:36:40
○ 2026-07-15 11:56:52

○A2606:4700:3035::6815:5c662026-07-07 → 2026-07-07 · 3 obs

○ 2026-06-13 20:34:22
● 2026-07-07 09:36:40
○ 2026-07-15 11:56:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...	-
sintzo.com	leah.ns.cloudflare.com, quincy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.39

NS records: leah.ns.cloudflare.com, quincy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sintzo.com (unsigned zone)

⏱️ Timing

Total: 216ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.191.139, 104.21.92.102`
NS	2	`leah.ns.cloudflare.com, quincy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`leah.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (leah.ns.cloudflare.com, leah.ns.cloudflare.com, leah.ns.cloudflare.com...)

Analysis

Hierarchy

www.sintzo.com is a subdomain of sintzo.com.

IP Addresses

sintzo.com points to the IP addresses 104.21.92.102 and 172.67.191.139

taoxinxiu.com, ddkan.tv, chengrangad.com and two other host names share IP numbers with sintzo.com.

Name Servers

sintzo.com uses two name servers for its delegation: leah.ns.cloudflare.com and quincy.ns.cloudflare.com.

sintzo.com uses the same name servers as several other domains — among them hotelutsavpalace.com, amlzbvlh.digital, irhythmstore.com and two more.

The name servers of sintzo.com overlap at least partially with those of other domains — among them ampgns.pages.dev, (0x787878)student-hub.com, sechnik.com and two more.

The name servers eva.ns.cloudflare.com, julissa.ns.cloudflare.com and cora.ns.cloudflare.com are commonly seen alongside these name servers.

Hostnames that resolve to 6 IP addresses:

Hostname leah.ns.cloudflare.com directs to 108.162.192.129, 172.64.32.129 and 173.245.58.129 along with 3 other IP addresses.

Hostname quincy.ns.cloudflare.com directs to 108.162.195.39, 162.159.44.39 and 172.64.35.39 along with 3 other IP addresses.

sintzo.com - robtex.com

sintzo.com

com