`tncurriculumcenter.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4de5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d48f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.229^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.143^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sreeni.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26b2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sreeni.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sreeni.ns.cloudflare.com`
		A	108.162.194.178^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	162.159.38.178^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	172.64.34.178^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
NS	`trace.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trace.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trace.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trace.ns.cloudflare.com`
		A	108.162.195.172^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trace.ns.cloudflare.com`
		A	162.159.44.172^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trace.ns.cloudflare.com`
		A	172.64.35.172^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trace.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.229, 172.67.212.143
		IPv6 hints	2606:4700:3032::6815:4de5, 2606:4700:3037::ac43:d48f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOA	`sreeni.ns.cloudflare.com`dns@cloudflare.com serial=2403631200

`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=1778393674

Same first word

tncurriculumcenter.org

DNS History

13 records (6 active, 7 former)

○NSdns.lipscomb.edu2015-08-28 → 2017-05-27 · 11 obs

● 2015-08-28 00:07:50
● 2015-09-08 18:04:06
○ 2015-09-12 18:23:16
○ 2015-09-16 18:45:54
● 2015-09-21 18:52:20
○ 2015-09-24 06:43:22
○ 2016-03-18 03:40:28
● 2016-07-17 17:32:54
● 2017-05-27 05:32:12
○ 2026-03-11 08:43:48
○ 2026-05-10 06:41:16

○NSdns1.lipscomb.edu2015-08-28 → 2016-03-18 · 9 obs

● 2015-08-28 00:07:50
○ 2015-09-08 18:04:06
● 2015-09-12 18:23:16
● 2015-09-16 18:45:54
○ 2015-09-21 18:52:20
● 2015-09-24 06:43:22
● 2016-03-18 03:40:28
○ 2016-07-17 17:32:54
○ 2026-05-10 06:41:16

○NSdns2.lipscomb.edu2015-08-28 → 2017-05-27 · 4 obs

● 2015-08-28 00:07:50
● 2017-05-27 05:32:12
○ 2026-03-11 08:43:48
○ 2026-05-10 06:41:16

●NSsreeni.ns.cloudflare.com2026-03-11 → 2026-05-10 · 3 obs

○ 2017-05-27 05:32:12
● 2026-03-11 08:43:48
● 2026-05-10 06:41:16

●NStrace.ns.cloudflare.com2026-03-11 → 2026-05-10 · 3 obs

○ 2017-05-27 05:32:12
● 2026-03-11 08:43:48
● 2026-05-10 06:41:16

●A104.21.77.2292026-03-11 → 2026-05-10 · 3 obs

○ 2017-05-27 05:32:12
● 2026-03-11 08:43:48
● 2026-05-10 06:41:16

○A172.64.80.12026-03-11 → 2026-05-10 · 2 obs

○ 2026-03-11 08:43:48
○ 2026-05-10 06:41:16

●A172.67.212.1432026-03-11 → 2026-05-10 · 3 obs

○ 2017-05-27 05:32:12
● 2026-03-11 08:43:48
● 2026-05-10 06:41:16

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-11 → 2026-05-10 · 2 obs

○ 2026-03-11 08:43:48
○ 2026-05-10 06:41:16

●A2606:4700:3032::6815:4de52026-03-11 → 2026-05-10 · 3 obs

○ 2017-05-27 05:32:12
● 2026-03-11 08:43:48
● 2026-05-10 06:41:16

●A2606:4700:3037::ac43:d48f2026-03-11 → 2026-05-10 · 3 obs

○ 2017-05-27 05:32:12
● 2026-03-11 08:43:48
● 2026-05-10 06:41:16

○A74.119.168.1432015-08-28 → 2016-07-17 · 4 obs

● 2015-08-28 00:07:50
● 2016-07-17 17:32:54
○ 2017-05-27 05:32:12
○ 2026-05-10 06:41:16

○A74.119.168.2062017-05-27 → 2017-05-27 · 4 obs

○ 2016-07-17 17:32:54
● 2017-05-27 05:32:12
○ 2026-03-11 08:43:48
○ 2026-05-10 06:41:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
tncurriculumcenter.org	sreeni.ns.cloudflare.com, trace.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.172

NS records: sreeni.ns.cloudflare.com, trace.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tncurriculumcenter.org (unsigned zone)

⏱️ Timing

Total: 282ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.229, 172.67.212.143`
AAAA	2	`2606:4700:3032::6815:4de5, 2606:4700:3037::ac43:d48f`
NS	2	`sreeni.ns.cloudflare.com, trace.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sreeni.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

tncurriculumcenter.org resolves to four IP numbers: 2606:4700:3032::6815:4de5, 2606:4700:3037::ac43:d48f, 104.21.77.229 and 172.67.212.143.

Other host names such as wxqxmr.com, 0winds.com, bidcheck.info, bensu4dgelas.com and www.mastibaba.com share IPs with tncurriculumcenter.org.

Name Servers

tncurriculumcenter.org is delegated to two name servers: sreeni.ns.cloudflare.com and trace.ns.cloudflare.com.

tncurriculumcenter.org shares the same name server setup as gardenstatephilharmonic.org, unruly-things.com, ssnetwork.com, tuscanypetshotel.com and cityacademybristol.org.

tncurriculumcenter.org at least partially shares name servers with other domains, for instance rgjb.cn, kebtech.com, jefesmexican.com, koora-sir.live and dns01.at.

these name servers are commonly used with becky.ns.cloudflare.com, rajeev.ns.cloudflare.com, elsa.ns.cloudflare.com and cash.ns.cloudflare.com.

Host names with six IP numbers:

sreeni.ns.cloudflare.com points to 2606:4700:50::a29f:26b2, 2803:f800:50::6ca2:c2b2, 2a06:98c1:50::ac40:22b2, 108.162.194.178, 162.159.38.178 and 172.64.34.178.

trace.ns.cloudflare.com points to 2606:4700:58::a29f:2cac, 2803:f800:50::6ca2:c3ac, 2a06:98c1:50::ac40:23ac, 108.162.195.172, 162.159.44.172 and 172.64.35.172.

tncurriculumcenter.org - robtex.com