`dsu-csu.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:980^{Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:82dd^{Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.9.128^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.221^{Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ezra.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c0f^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c30f^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:230f^{Cloudflare2a06:98c1:50::/45}
		A	108.162.195.15^{Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.15^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.15^{Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`hadlee.ns.cloudflare.com`
		A	2606:4700:50::a29f:2643^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c243^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2243^{Cloudflare2a06:98c1:50::/45}
		A	108.162.194.67^{Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.67^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.67^{Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.9.128, 172.67.130.221
		IPv6 hints	2606:4700:3032::6815:980, 2606:4700:3032::ac43:82dd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOA	`ezra.ns.cloudflare.com`dns@cloudflare.com serial=2407892776

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783071614

Same first word

dsu-csu.org

DNS History

17 records (6 active, 11 former)

●NSezra.ns.cloudflare.com2026-04-21 → 2026-07-03 · 3 obs

○ 2017-05-26 23:10:14
● 2026-04-21 13:38:22
● 2026-07-03 10:14:36

●NShadlee.ns.cloudflare.com2026-04-21 → 2026-07-03 · 3 obs

○ 2017-05-26 23:10:14
● 2026-04-21 13:38:22
● 2026-07-03 10:14:36

○NSns1.adtran.com2015-08-15 → 2017-05-26 · 4 obs

● 2015-08-15 10:09:48
● 2017-05-26 23:10:14
○ 2026-04-21 13:38:22
○ 2026-07-03 10:14:36

○NSns2.adtran.com2015-08-15 → 2017-05-26 · 4 obs

● 2015-08-15 10:09:48
● 2017-05-26 23:10:14
○ 2026-04-21 13:38:22
○ 2026-07-03 10:14:36

●A104.21.9.1282026-04-21 → 2026-07-03 · 6 obs

○ 2017-05-26 23:10:14
● 2026-04-21 13:38:22
● 2026-06-16 19:14:20
○ 2026-06-25 20:56:54
● 2026-07-03 10:14:32
● 2026-07-03 10:14:36

●A172.67.130.2212026-04-21 → 2026-07-03 · 6 obs

○ 2017-05-26 23:10:14
● 2026-04-21 13:38:22
● 2026-06-16 19:14:20
○ 2026-06-25 20:56:54
● 2026-07-03 10:14:32
● 2026-07-03 10:14:36

○A188.114.96.02026-06-26 → 2026-06-26 · 4 obs

○ 2026-06-25 20:56:54
● 2026-06-26 00:11:10
○ 2026-07-03 10:14:32
○ 2026-07-03 10:14:36

○A188.114.96.42026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-16 19:14:20
● 2026-06-25 20:56:54
○ 2026-06-26 00:11:10
○ 2026-07-03 10:14:36

○A188.114.97.02026-06-26 → 2026-06-26 · 4 obs

○ 2026-06-25 20:56:54
● 2026-06-26 00:11:10
○ 2026-07-03 10:14:32
○ 2026-07-03 10:14:36

○A188.114.97.42026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-16 19:14:20
● 2026-06-25 20:56:54
○ 2026-06-26 00:11:10
○ 2026-07-03 10:14:36

○A208.251.151.1222015-08-15 → 2017-05-26 · 4 obs

● 2015-08-15 10:09:48
● 2017-05-26 23:10:14
○ 2026-04-21 13:38:22
○ 2026-07-03 10:14:36

●A2606:4700:3032::6815:9802026-04-21 → 2026-07-03 · 6 obs

○ 2017-05-26 23:10:14
● 2026-04-21 13:38:22
● 2026-06-16 19:14:20
○ 2026-06-25 20:56:54
● 2026-07-03 10:14:32
● 2026-07-03 10:14:36

●A2606:4700:3032::ac43:82dd2026-04-21 → 2026-07-03 · 6 obs

○ 2017-05-26 23:10:14
● 2026-04-21 13:38:22
● 2026-06-16 19:14:20
○ 2026-06-25 20:56:54
● 2026-07-03 10:14:32
● 2026-07-03 10:14:36

○A2a06:98c1:3120::2026-06-26 → 2026-06-26 · 4 obs

○ 2026-06-25 20:56:54
● 2026-06-26 00:11:10
○ 2026-07-03 10:14:32
○ 2026-07-03 10:14:36

○A2a06:98c1:3120::42026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-16 19:14:20
● 2026-06-25 20:56:54
○ 2026-06-26 00:11:10
○ 2026-07-03 10:14:36

○A2a06:98c1:3121::2026-06-26 → 2026-06-26 · 4 obs

○ 2026-06-25 20:56:54
● 2026-06-26 00:11:10
○ 2026-07-03 10:14:32
○ 2026-07-03 10:14:36

○A2a06:98c1:3121::42026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-16 19:14:20
● 2026-06-25 20:56:54
○ 2026-06-26 00:11:10
○ 2026-07-03 10:14:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
dsu-csu.org	ezra.ns.cloudflare.com, hadlee.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.15

NS records: ezra.ns.cloudflare.com, hadlee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dsu-csu.org (unsigned zone)

⏱️ Timing

Total: 2442ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.9.128, 172.67.130.221`
AAAA	2	`2606:4700:3032::6815:980, 2606:4700:3032::ac43:82dd`
NS	2	`ezra.ns.cloudflare.com, hadlee.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ezra.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

dsu-csu.org resolves to four IP addresses: 104.21.9.128, 172.67.130.221, 2606:4700:3032::6815:980 and 2606:4700:3032::ac43:82dd.

Name Servers

dsu-csu.org is delegated to two name servers: ezra.ns.cloudflare.com and hadlee.ns.cloudflare.com.

The name server configuration of dsu-csu.org is shared with other domains, for instance searchfordatings.com, shop-nfl.org, outdoorithm.workers.dev and two others.

dsu-csu.org shares at least some of its name servers with other domains, including rcaa.cc, stoneledgerapp.com, gfricambi.it and two others.

These name servers tend to appear together with the name servers shane.ns.cloudflare.com, daniella.ns.cloudflare.com and thea.ns.cloudflare.com, plus two others.

Hosts with 6 IP addresses each:

ezra.ns.cloudflare.com resolves to 108.162.195.15, 162.159.44.15, 172.64.35.15 and 3 other IP addresses.

hadlee.ns.cloudflare.com resolves to 108.162.194.67, 162.159.38.67, 172.64.34.67 and 3 other IP addresses.

dsu-csu.org - robtex.com

dsu-csu.org

org

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`dsu-csu.org`

`org`