`54stu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:aca0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:37c4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.196^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.160^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mitch.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bd0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mitch.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mitch.ns.cloudflare.com`
		A	108.162.193.208^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	172.64.33.208^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	173.245.59.208^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
NS	`sandra.ns.cloudflare.com`
		A	2606:4700:50::a29f:2622^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c222^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sandra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2222^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sandra.ns.cloudflare.com`
		A	108.162.194.34^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	162.159.38.34^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	172.64.34.34^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.196, 172.67.172.160
		IPv6 hints	2606:4700:3031::ac43:aca0, 2606:4700:3033::6815:37c4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOA	`mitch.ns.cloudflare.com`dns@cloudflare.com serial=2401545311

`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=1778694006

Subdomains

www.54stu.com

Same first word

54stu.com

DNS History

20 records (6 active, 14 former)

○NSdns1.iidns.com2016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-08 18:17:24
● 2016-07-10 16:54:18
○ 2017-03-21 16:36:22
○ 2026-05-13 17:52:08

○NSdns2.iidns.com2016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-08 18:17:24
● 2016-07-10 16:54:18
○ 2017-03-21 16:36:22
○ 2026-05-13 17:52:08

○NSdns3.iidns.com2016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-08 18:17:24
● 2016-07-10 16:54:18
○ 2017-03-21 16:36:22
○ 2026-05-13 17:52:08

○NSdns4.iidns.com2016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-08 18:17:24
● 2016-07-10 16:54:18
○ 2017-03-21 16:36:22
○ 2026-05-13 17:52:08

○NSdns5.iidns.com2016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-08 18:17:24
● 2016-07-10 16:54:18
○ 2017-03-21 16:36:22
○ 2026-05-13 17:52:08

○NSdns6.iidns.com2016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-08 18:17:24
● 2016-07-10 16:54:18
○ 2017-03-21 16:36:22
○ 2026-05-13 17:52:08

●NSmitch.ns.cloudflare.com2026-05-13 → 2026-05-13 · 3 obs

○ 2017-03-21 16:36:22
● 2026-05-13 13:28:16
● 2026-05-13 17:52:08

●NSsandra.ns.cloudflare.com2026-05-13 → 2026-05-13 · 3 obs

○ 2017-03-21 16:36:22
● 2026-05-13 13:28:16
● 2026-05-13 17:52:08

○NSwww.54stu.com2015-07-21 → 2017-03-21 · 6 obs

● 2015-07-21 14:32:56
● 2016-03-08 18:17:24
○ 2016-07-10 16:54:18
● 2017-03-21 16:36:22
○ 2026-05-13 13:28:16
○ 2026-05-13 17:52:08

○MXio.bouncemx.com2015-11-23 → 2017-03-21 · 6 obs

● 2015-11-23 10:30:54
● 2016-03-08 18:17:24
○ 2016-07-10 16:54:18
● 2017-03-21 16:36:22
○ 2026-05-13 13:28:16
○ 2026-05-13 17:52:08

●A104.21.55.1962026-05-13 → 2026-05-13 · 3 obs

○ 2017-03-21 16:36:22
● 2026-05-13 13:28:16
● 2026-05-13 17:52:08

●A172.67.172.1602026-05-13 → 2026-05-13 · 3 obs

○ 2017-03-21 16:36:22
● 2026-05-13 13:28:16
● 2026-05-13 17:52:08

●A2606:4700:3031::ac43:aca02026-05-13 → 2026-05-13 · 3 obs

○ 2017-03-21 16:36:22
● 2026-05-13 13:28:16
● 2026-05-13 17:52:08

●A2606:4700:3033::6815:37c42026-05-13 → 2026-05-13 · 3 obs

○ 2017-03-21 16:36:22
● 2026-05-13 13:28:16
● 2026-05-13 17:52:08

○A70.39.84.2302015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 14:32:56
○ 2026-05-13 13:28:16
○ 2026-05-13 17:52:08

○A70.39.84.2432017-03-21 → 2017-03-21 · 4 obs

○ 2016-03-08 18:17:24
● 2017-03-21 16:36:22
○ 2026-05-13 13:28:16
○ 2026-05-13 17:52:08

○A70.39.84.2482015-11-23 → 2015-11-23 · 4 obs

○ 2015-07-21 14:32:56
● 2015-11-23 10:30:54
○ 2016-03-08 18:17:24
○ 2026-05-13 17:52:08

○A70.39.84.2532016-03-08 → 2016-03-08 · 4 obs

○ 2015-11-23 10:30:54
● 2016-03-08 18:17:24
○ 2017-03-21 16:36:22
○ 2026-05-13 17:52:08

○CNAMEcs.ename.net2016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-08 18:17:24
● 2016-07-10 16:54:18
○ 2017-03-21 16:36:22
○ 2026-05-13 17:52:08

○CNAMEnum5.dcoin.co2015-07-21 → 2017-03-21 · 6 obs

● 2015-07-21 14:32:56
● 2016-03-08 18:17:24
○ 2016-07-10 16:54:18
● 2017-03-21 16:36:22
○ 2026-05-13 13:28:16
○ 2026-05-13 17:52:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...	-
54stu.com	mitch.ns.cloudflare.com, sandra.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.34

NS records: mitch.ns.cloudflare.com, sandra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 54stu.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.172.160, 104.21.55.196`
AAAA	2	`2606:4700:3033::6815:37c4, 2606:4700:3031::ac43:aca0`
NS	2	`mitch.ns.cloudflare.com, sandra.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mitch.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of www.54stu.com is 54stu.com.

IP Addresses

54stu.com maps to four IP numbers: 2606:4700:3031::ac43:aca0, 2606:4700:3033::6815:37c4, 104.21.55.196 and 172.67.172.160.

Other host names, for instance www.kingsrestauranttucson.com, petpantryhub.com, icahk.org, www.steamunlocked.skin and bullettags.com share IP numbers with 54stu.com.

Name Servers

Two name servers mitch.ns.cloudflare.com and sandra.ns.cloudflare.com handle delegation for 54stu.com.

54stu.com uses the same name server setup as other domains, for example saw114.com, syj86.com, 51window.com, cnheat.org and slmjw.com.

54stu.com partially shares name servers with other domains; examples include qndk.net, halfliferomance.xyz, arthurgama.com, iludoni.top and a6dwtn.fit.

These name servers are commonly used with finley.ns.cloudflare.com, sima.ns.cloudflare.com and saanvi.ns.cloudflare.com.

Host names with six IP numbers: mitch.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd0, 2803:f800:50::6ca2:c1d0, 2a06:98c1:50::ac40:21d0, 108.162.193.208, 172.64.33.208 and 173.245.59.208; sandra.ns.cloudflare.com points to: 2606:4700:50::a29f:2622, 2803:f800:50::6ca2:c222, 2a06:98c1:50::ac40:2222, 108.162.194.34, 162.159.38.34 and 172.64.34.34.

54stu.com - robtex.com

54stu.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`54stu.com`

`com`