`cs61c.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a14c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:f23^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.35^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.76^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`izabella.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`izabella.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`izabella.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`izabella.ns.cloudflare.com`
		A	108.162.194.46^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`izabella.ns.cloudflare.com`
		A	162.159.38.46^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`izabella.ns.cloudflare.com`
		A	172.64.34.46^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`izabella.ns.cloudflare.com`
NS	`vicky.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vicky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c345^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vicky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2345^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vicky.ns.cloudflare.com`
		A	108.162.195.69^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vicky.ns.cloudflare.com`
		A	162.159.44.69^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vicky.ns.cloudflare.com`
		A	172.64.35.69^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vicky.ns.cloudflare.com`
TXT	`google-site-verification=ej2ssT9sBH6vgbhOIU2ixQnlHJiKcJXimLACe-IQwcs`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.35, 172.67.161.76
		IPv6 hints	2606:4700:3030::ac43:a14c, 2606:4700:3032::6815:f23
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com
SOA	`izabella.ns.cloudflare.com`dns@cloudflare.com serial=2399970176

`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=1775951003

Same first word

cs61c.org

DNS History

14 records (6 active, 8 former)

○NSclint.ns.cloudflare.com2019-01-27 → 2019-01-27 · 3 obs

● 2019-01-27 19:30:24
○ 2026-02-17 06:18:08
○ 2026-04-11 23:53:38

●NSizabella.ns.cloudflare.com2026-02-17 → 2026-04-11 · 3 obs

○ 2019-01-27 19:30:24
● 2026-02-17 06:18:08
● 2026-04-11 23:53:38

○NSlia.ns.cloudflare.com2019-01-27 → 2019-01-27 · 3 obs

● 2019-01-27 19:30:24
○ 2026-02-17 06:18:08
○ 2026-04-11 23:53:38

●NSvicky.ns.cloudflare.com2026-02-17 → 2026-04-11 · 3 obs

○ 2019-01-27 19:30:24
● 2026-02-17 06:18:08
● 2026-04-11 23:53:38

○MXmailstore1.secureserver.net2019-01-27 → 2026-02-17 · 4 obs

● 2019-01-27 19:30:24
● 2026-02-17 06:18:08
○ 2026-03-02 02:55:06
○ 2026-04-11 23:53:38

○MXsmtp.secureserver.net2019-01-27 → 2026-02-17 · 4 obs

● 2019-01-27 19:30:24
● 2026-02-17 06:18:08
○ 2026-03-02 02:55:06
○ 2026-04-11 23:53:38

●A104.21.15.352026-02-17 → 2026-04-11 · 3 obs

○ 2019-01-27 19:30:24
● 2026-02-17 06:18:08
● 2026-04-11 23:53:38

○A104.27.172.1542019-01-27 → 2019-01-27 · 3 obs

● 2019-01-27 19:30:24
○ 2026-02-17 06:18:08
○ 2026-04-11 23:53:38

○A104.27.173.1542019-01-27 → 2019-01-27 · 3 obs

● 2019-01-27 19:30:24
○ 2026-02-17 06:18:08
○ 2026-04-11 23:53:38

●A172.67.161.762026-02-17 → 2026-04-11 · 3 obs

○ 2019-01-27 19:30:24
● 2026-02-17 06:18:08
● 2026-04-11 23:53:38

○A2606:4700:30::681b:ac9a2019-01-27 → 2019-01-27 · 3 obs

● 2019-01-27 19:30:24
○ 2026-02-17 06:18:08
○ 2026-04-11 23:53:38

○A2606:4700:30::681b:ad9a2019-01-27 → 2019-01-27 · 3 obs

● 2019-01-27 19:30:24
○ 2026-02-17 06:18:08
○ 2026-04-11 23:53:38

●A2606:4700:3030::ac43:a14c2026-02-17 → 2026-04-11 · 3 obs

○ 2019-01-27 19:30:24
● 2026-02-17 06:18:08
● 2026-04-11 23:53:38

●A2606:4700:3032::6815:f232026-02-17 → 2026-04-11 · 3 obs

○ 2019-01-27 19:30:24
● 2026-02-17 06:18:08
● 2026-04-11 23:53:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
cs61c.org	vicky.ns.cloudflare.com, izabella.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.69

NS records: vicky.ns.cloudflare.com, izabella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cs61c.org (unsigned zone)

⏱️ Timing

Total: 458ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.15.35, 172.67.161.76`
AAAA	2	`2606:4700:3032::6815:f23, 2606:4700:3030::ac43:a14c`
NS	2	`izabella.ns.cloudflare.com, vicky.ns.cloudflare.com`
MX	1	`. (pri: 0)`
TXT	2	`google-site-verification=ej2ssT9sBH6vgbh, v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`izabella.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

cs61c.org points to four IP numbers: 2606:4700:3030::ac43:a14c, 2606:4700:3032::6815:f23, 104.21.15.35 and 172.67.161.76.

Other host names, for instance kipooz.com, xx66zz.com, iprecontenda.com.br, www.artfuldodger.com and www.ipbaz.ir share IP numbers with cs61c.org.

Name Servers

Delegation for cs61c.org rests with two name servers, izabella.ns.cloudflare.com and vicky.ns.cloudflare.com.

cs61c.org shares the same name server setup as other domains, including doordash-promotefood.org, nursing-home-abuse-news.com, der-bildung(0x736578)perte.de, pu-x.com and velticom.com.

cs61c.org at least partially shares name servers with other domains, for instance xnylt.com, bitzak.com, 2658y.com, waiknot.co.nz and 889992668.xyz.

these name servers are commonly used with terin.ns.cloudflare.com, agustin.ns.cloudflare.com and toby.ns.cloudflare.com.

Host names with six IP numbers: izabella.ns.cloudflare.com points to: 2606:4700:50::a29f:262e, 2803:f800:50::6ca2:c22e, 2a06:98c1:50::ac40:222e, 108.162.194.46, 162.159.38.46 and 172.64.34.46. vicky.ns.cloudflare.com points to: 2606:4700:58::a29f:2c45, 2803:f800:50::6ca2:c345, 2a06:98c1:50::ac40:2345, 108.162.195.69, 162.159.44.69 and 172.64.35.69.

cs61c.org - robtex.com

cs61c.org

org

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`cs61c.org`

`org`