`cisielearning.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3f85^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:91c6^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.133^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.198^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clark.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c157^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2157^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clark.ns.cloudflare.com`
		A	108.162.193.87^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	172.64.33.87^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	173.245.59.87^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
NS	`zita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zita.ns.cloudflare.com`
		A	108.162.192.243^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	172.64.32.243^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	173.245.58.243^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.63.133, 172.67.145.198
		IPv6	2606:4700:3030::6815:3f85, 2606:4700:3032::ac43:91c6
SOA	`clark.ns.cloudflare.com`dns@cloudflare.com serial=2399388447

`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=1774754948

WOT: SAFE (62/100)

Same first word

cisielearning.org

Similar names

lscingenieria.com

DNS History

17 records (6 active, 11 former)

○NSa1.uberns.co.uk2015-06-03 → 2017-02-10 · 4 obs

● 2015-06-03 00:47:44
● 2017-02-10 22:12:16
○ 2026-02-26 12:01:32
○ 2026-03-29 04:05:12

○NSa1.uberns.com2015-06-03 → 2017-02-10 · 4 obs

● 2015-06-03 00:47:44
● 2017-02-10 22:12:16
○ 2026-02-26 12:01:32
○ 2026-03-29 04:05:12

○NSa1.uberns.org2015-06-03 → 2017-02-10 · 4 obs

● 2015-06-03 00:47:44
● 2017-02-10 22:12:16
○ 2026-02-26 12:01:32
○ 2026-03-29 04:05:12

○NSb1.uberns.co.uk2015-06-03 → 2017-02-10 · 4 obs

● 2015-06-03 00:47:44
● 2017-02-10 22:12:16
○ 2026-02-26 12:01:32
○ 2026-03-29 04:05:12

○NSb1.uberns.com2015-06-03 → 2017-02-10 · 4 obs

● 2015-06-03 00:47:44
● 2017-02-10 22:12:16
○ 2026-02-26 12:01:32
○ 2026-03-29 04:05:12

○NSb1.uberns.org2015-06-03 → 2017-02-10 · 4 obs

● 2015-06-03 00:47:44
● 2017-02-10 22:12:16
○ 2026-02-26 12:01:32
○ 2026-03-29 04:05:12

●NSclark.ns.cloudflare.com2026-02-26 → 2026-03-29 · 3 obs

○ 2017-02-10 22:12:16
● 2026-02-26 12:01:32
● 2026-03-29 04:05:12

●NSzita.ns.cloudflare.com2026-02-26 → 2026-03-29 · 3 obs

○ 2017-02-10 22:12:16
● 2026-02-26 12:01:32
● 2026-03-29 04:05:12

●A104.21.63.1332026-03-29 → 2026-03-29 · 3 obs

○ 2026-02-26 12:01:32
● 2026-03-29 04:05:10
● 2026-03-29 04:05:12

●A172.67.145.1982026-03-29 → 2026-03-29 · 3 obs

○ 2026-02-26 12:01:32
● 2026-03-29 04:05:10
● 2026-03-29 04:05:12

○A188.114.96.02026-02-26 → 2026-02-26 · 4 obs

○ 2017-02-10 22:12:16
● 2026-02-26 12:01:32
○ 2026-03-29 04:05:10
○ 2026-03-29 04:05:12

○A188.114.97.02026-02-26 → 2026-02-26 · 4 obs

○ 2017-02-10 22:12:16
● 2026-02-26 12:01:32
○ 2026-03-29 04:05:10
○ 2026-03-29 04:05:12

●A2606:4700:3030::6815:3f852026-03-29 → 2026-03-29 · 3 obs

○ 2026-02-26 12:01:32
● 2026-03-29 04:05:10
● 2026-03-29 04:05:12

●A2606:4700:3032::ac43:91c62026-03-29 → 2026-03-29 · 3 obs

○ 2026-02-26 12:01:32
● 2026-03-29 04:05:10
● 2026-03-29 04:05:12

○A2a06:98c1:3120::2026-02-26 → 2026-02-26 · 4 obs

○ 2017-02-10 22:12:16
● 2026-02-26 12:01:32
○ 2026-03-29 04:05:10
○ 2026-03-29 04:05:12

○A2a06:98c1:3121::2026-02-26 → 2026-02-26 · 4 obs

○ 2017-02-10 22:12:16
● 2026-02-26 12:01:32
○ 2026-03-29 04:05:10
○ 2026-03-29 04:05:12

○A77.246.174.1082015-06-03 → 2017-02-10 · 4 obs

● 2015-06-03 00:47:44
● 2017-02-10 22:12:16
○ 2026-02-26 12:01:32
○ 2026-03-29 04:05:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
cisielearning.org	zita.ns.cloudflare.com, clark.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.87

NS records: zita.ns.cloudflare.com, clark.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cisielearning.org (unsigned zone)

⏱️ Timing

Total: 298ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.63.133, 172.67.145.198`
AAAA	2	`2606:4700:3032::ac43:91c6, 2606:4700:3030::6815:3f85`
NS	2	`clark.ns.cloudflare.com, zita.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clark.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

cisielearning.org resolves to four IPs: 2606:4700:3030::6815:3f85, 2606:4700:3032::ac43:91c6, 104.21.63.133 and 172.67.145.198.

Other host names such as pipe.to, fuelyourfallcommute.com, neoprotect.ovh, www3.centennial.co.uk and 601444.cn share IP numbers with cisielearning.org.

Name Servers

cisielearning.org is delegated to two name servers: clark.ns.cloudflare.com and zita.ns.cloudflare.com.

cisielearning.org uses the same name server setup as other domains, including coinij.com, mexicolottos.com, dewacintaocd.com, ceria4dzeus.com and mauricioabreu.com.br.

At least part of the name servers for cisielearning.org are shared with other domains, for instance btcchain.com, beginedindia.com, gatewaygolf.com, sunnuclear.de and ridergsa.com.

These name servers are commonly used alongside the name servers etta.ns.cloudflare.com.

Host names with six IP numbers:

clark.ns.cloudflare.com points to: 2606:4700:58::adf5:3b57, 2803:f800:50::6ca2:c157, 2a06:98c1:50::ac40:2157, 108.162.193.87, 172.64.33.87 and 173.245.59.87.

zita.ns.cloudflare.com points to: 2606:4700:50::adf5:3af3, 2803:f800:50::6ca2:c0f3, 2a06:98c1:50::ac40:20f3, 108.162.192.243, 172.64.32.243 and 173.245.58.243.

cisielearning.org - robtex.com