`contechicago.org`

DNSSEC	⚠️ Not signed
NS	`alberto.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:58::a29f:2c12^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c312^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alberto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2312^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alberto.ns.cloudflare.com`
		A	108.162.195.18^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	162.159.44.18^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	172.64.35.18^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
NS	`nelly.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:50::adf5:3ad1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelly.ns.cloudflare.com`
		A	108.162.192.209^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	172.64.32.209^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	173.245.58.209^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`

`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=1773551953

Same first word

contechicago.org

DNS History

11 records (2 active, 9 former)

●NSalberto.ns.cloudflare.com2026-02-21 → 2026-03-22 · 3 obs

○ 2018-05-28 10:47:22
● 2026-02-21 15:18:34
● 2026-03-22 22:06:40

●NSnelly.ns.cloudflare.com2026-02-21 → 2026-03-22 · 3 obs

○ 2018-05-28 10:47:22
● 2026-02-21 15:18:34
● 2026-03-22 22:06:40

○NSns41.domaincontrol.com2015-06-11 → 2018-05-28 · 4 obs

● 2015-06-11 19:02:08
● 2018-05-28 10:47:22
○ 2026-02-21 15:18:34
○ 2026-03-22 22:06:40

○NSns42.domaincontrol.com2015-06-11 → 2018-05-28 · 4 obs

● 2015-06-11 19:02:08
● 2018-05-28 10:47:22
○ 2026-02-21 15:18:34
○ 2026-03-22 22:06:40

○MXmailstore1.secureserver.net2015-06-11 → 2018-05-28 · 4 obs

● 2015-06-11 19:02:08
● 2018-05-28 10:47:22
○ 2026-02-21 15:18:34
○ 2026-03-22 22:06:40

○MXsmtp.secureserver.net2015-06-11 → 2018-05-28 · 4 obs

● 2015-06-11 19:02:08
● 2018-05-28 10:47:22
○ 2026-02-21 15:18:34
○ 2026-03-22 22:06:40

○A104.21.85.1372026-02-21 → 2026-03-11 · 5 obs

○ 2018-05-28 10:47:22
● 2026-02-21 15:18:34
● 2026-03-11 03:33:46
○ 2026-03-21 20:16:00
○ 2026-03-22 22:06:40

○A104.245.208.2272015-06-11 → 2018-05-28 · 4 obs

● 2015-06-11 19:02:08
● 2018-05-28 10:47:22
○ 2026-02-21 15:18:34
○ 2026-03-22 22:06:40

○A172.67.206.1082026-02-21 → 2026-03-11 · 5 obs

○ 2018-05-28 10:47:22
● 2026-02-21 15:18:34
● 2026-03-11 03:33:46
○ 2026-03-21 20:16:00
○ 2026-03-22 22:06:40

○A2606:4700:3030::ac43:ce6c2026-02-21 → 2026-03-11 · 5 obs

○ 2018-05-28 10:47:22
● 2026-02-21 15:18:34
● 2026-03-11 03:33:46
○ 2026-03-21 20:16:00
○ 2026-03-22 22:06:40

○A2606:4700:3033::6815:55892026-02-21 → 2026-03-11 · 5 obs

○ 2018-05-28 10:47:22
● 2026-02-21 15:18:34
● 2026-03-11 03:33:46
○ 2026-03-21 20:16:00
○ 2026-03-22 22:06:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
contechicago.org	alberto.ns.cloudflare.com, nelly.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.35.18

NS records: alberto.ns.cloudflare.com, nelly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contechicago.org (unsigned zone)

⏱️ Timing

Total: 279ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

contechicago.org's delegation uses two name servers, alberto.ns.cloudflare.com and nelly.ns.cloudflare.com.

contechicago.org shares the same name server setup as other domains, for example bandartentoto.it.com, dumaitotoskill.com, alexisvailor.com, kabardians.com and hadirmenara.com.

contechicago.org at least partially shares name servers with other domains, including ribenauzaixianguankan.com.cn, bite28zaixianycjieguo.com.cn, anonymize.com, jianadapcycwangzuizhunycwang.com.cn and agshixunzhenrenyouxi.com.cn.

These name servers are commonly used with malavika.ns.cloudflare.com and armfazh.ns.cloudflare.com.

Host names with six IP numbers:

alberto.ns.cloudflare.com points to: 2606:4700:58::a29f:2c12, 2803:f800:50::6ca2:c312, 2a06:98c1:50::ac40:2312, 108.162.195.18, 162.159.44.18 and 172.64.35.18.

nelly.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad1, 2803:f800:50::6ca2:c0d1, 2a06:98c1:50::ac40:20d1, 108.162.192.209, 172.64.32.209 and 173.245.58.209.

contechicago.org - robtex.com