stsdu.com - dns.ninja

`stsdu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d77c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2b08^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.8^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.124^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dilbert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dilbert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dilbert.ns.cloudflare.com`
		A	108.162.193.155^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	172.64.33.155^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	173.245.59.155^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
NS	`kara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kara.ns.cloudflare.com`
		A	108.162.192.123^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	172.64.32.123^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	173.245.58.123^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.8, 172.67.215.124
		IPv6 hints	2606:4700:3032::ac43:d77c, 2606:4700:3035::6815:2b08
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOA	`dilbert.ns.cloudflare.com`dns@cloudflare.com serial=2407524964

`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=1782674215

Same first word

stsdu.com

Similar names

sdust.edu.cn

ssdut.net

sdust.net.cn

dsstu.cn

studs.org

sstud.ru

stdus.com

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dusts.eu

DNS History

14 records (6 active, 8 former)

○NSa.share-dns.com2026-02-15 → 2026-02-15 · 3 obs

○ 2017-08-10 02:56:48
● 2026-02-15 07:11:30
○ 2026-06-28 19:41:48

○NSa2.share-dns.com2026-02-15 → 2026-02-15 · 3 obs

○ 2017-08-10 02:56:48
● 2026-02-15 07:11:30
○ 2026-06-28 19:41:48

○NSb.share-dns.net2026-02-15 → 2026-02-15 · 3 obs

○ 2017-08-10 02:56:48
● 2026-02-15 07:11:30
○ 2026-06-28 19:41:48

○NSb2.share-dns.net2026-02-15 → 2026-02-15 · 3 obs

○ 2017-08-10 02:56:48
● 2026-02-15 07:11:30
○ 2026-06-28 19:41:48

●NSdilbert.ns.cloudflare.com2026-06-28 → 2026-06-28 · 2 obs

○ 2026-02-15 07:11:30
● 2026-06-28 19:41:48

●NSkara.ns.cloudflare.com2026-06-28 → 2026-06-28 · 2 obs

○ 2026-02-15 07:11:30
● 2026-06-28 19:41:48

○NSns11.xincache.com2017-08-10 → 2017-08-10 · 3 obs

● 2017-08-10 02:56:48
○ 2026-02-15 07:11:30
○ 2026-06-28 19:41:48

○NSns12.xincache.com2017-08-10 → 2017-08-10 · 3 obs

● 2017-08-10 02:56:48
○ 2026-02-15 07:11:30
○ 2026-06-28 19:41:48

●A104.21.43.82026-06-28 → 2026-06-28 · 2 obs

○ 2026-02-15 07:11:30
● 2026-06-28 19:41:48

○A120.133.8.842017-08-10 → 2017-08-10 · 3 obs

● 2017-08-10 02:56:48
○ 2026-02-15 07:11:30
○ 2026-06-28 19:41:48

○A156.237.198.2272026-02-15 → 2026-02-15 · 3 obs

○ 2017-08-10 02:56:48
● 2026-02-15 07:11:30
○ 2026-06-28 19:41:48

●A172.67.215.1242026-06-28 → 2026-06-28 · 2 obs

○ 2026-02-15 07:11:30
● 2026-06-28 19:41:48

●A2606:4700:3032::ac43:d77c2026-06-28 → 2026-06-28 · 2 obs

○ 2026-02-15 07:11:30
● 2026-06-28 19:41:48

●A2606:4700:3035::6815:2b082026-06-28 → 2026-06-28 · 2 obs

○ 2026-02-15 07:11:30
● 2026-06-28 19:41:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stsdu.com	kara.ns.cloudflare.com, dilbert.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.123

NS records: kara.ns.cloudflare.com, dilbert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stsdu.com (unsigned zone)

⏱️ Timing

Total: 156ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.215.124, 104.21.43.8`
AAAA	2	`2606:4700:3032::ac43:d77c, 2606:4700:3035::6815:2b08`
NS	2	`dilbert.ns.cloudflare.com, kara.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dilbert.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stsdu.com directs to four IP numbers, which are 104.21.43.8, 172.67.215.124, 2606:4700:3032::ac43:d77c and 2606:4700:3035::6815:2b08.

Additional host names — crowdvestcapital.com, windsage.com, macanmulia.online and two others — share IP numbers with stsdu.com.

Name Servers

DNS delegation for stsdu.com points to two name servers: dilbert.ns.cloudflare.com and kara.ns.cloudflare.com.

stsdu.com shares its name server setup with other domains, including gznem.com, szied.com, mawestllc.com and two others.

At least some of stsdu.com's name servers are shared with other domains, for example rasti.com, paintbynumbersusa.com, vermeerpartner.com and two more.

These name servers tend to be used in conjunction with the name servers megan.ns.cloudflare.com.

Host names with 6 IP numbers:

dilbert.ns.cloudflare.com has IP addresses 108.162.193.155, 172.64.33.155 and 173.245.59.155, plus 3 other.

kara.ns.cloudflare.com has IP addresses 108.162.192.123, 172.64.32.123 and 173.245.58.123, plus 3 other.