worknotes.co - dns.ninja

`worknotes.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:dda6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:3336^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.54^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.166^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`christina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26c1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`christina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`christina.ns.cloudflare.com`
		A	108.162.194.193^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	162.159.38.193^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	172.64.34.193^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
NS	`rocky.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rocky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rocky.ns.cloudflare.com`
		A	108.162.193.227^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	172.64.33.227^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	173.245.59.227^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.54, 172.67.221.166
		IPv6 hints	2606:4700:3031::ac43:dda6, 2606:4700:3033::6815:3336
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com
SOA	`christina.ns.cloudflare.com`dns@cloudflare.com serial=2406706490

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759693090

Same first word

worknotes.co.uk

worknotes.org

worknotes.com

worknotes.ru

worknotes.net

worknotes.co

Similar names

DNS History

18 records (11 active, 7 former)

●NSchristina.ns.cloudflare.com2026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

○NSns51.domaincontrol.com2015-11-14 → 2018-05-29 · 4 obs

● 2015-11-14 05:54:40
● 2018-05-29 16:34:48
○ 2026-03-27 20:21:42
○ 2026-06-29 00:39:32

○NSns52.domaincontrol.com2015-11-14 → 2018-05-29 · 4 obs

● 2015-11-14 05:54:40
● 2018-05-29 16:34:48
○ 2026-03-27 20:21:42
○ 2026-06-29 00:39:32

●NSrocky.ns.cloudflare.com2026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

●MXeforward1.registrar-servers.com2026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

●MXeforward2.registrar-servers.com2026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

●MXeforward3.registrar-servers.com2026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

●MXeforward4.registrar-servers.com2026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

●MXeforward5.registrar-servers.com2026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

○MXmailstore1.secureserver.net2015-11-14 → 2018-05-29 · 4 obs

● 2015-11-14 05:54:40
● 2018-05-29 16:34:48
○ 2026-03-27 20:21:42
○ 2026-06-29 00:39:32

○MXsmtp.secureserver.net2015-11-14 → 2018-05-29 · 4 obs

● 2015-11-14 05:54:40
● 2018-05-29 16:34:48
○ 2026-03-27 20:21:42
○ 2026-06-29 00:39:32

●A104.21.51.542026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

●A172.67.221.1662026-03-27 → 2026-06-29 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
● 2026-06-29 00:39:32

●A2606:4700:3031::ac43:dda62026-06-29 → 2026-06-29 · 2 obs

○ 2026-03-27 20:21:42
● 2026-06-29 00:39:32

●A2606:4700:3033::6815:33362026-06-29 → 2026-06-29 · 2 obs

○ 2026-03-27 20:21:42
● 2026-06-29 00:39:32

○A2606:4700:3034::ac43:dda62026-03-27 → 2026-03-27 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
○ 2026-06-29 00:39:32

○A2606:4700:3035::6815:33362026-03-27 → 2026-03-27 · 3 obs

○ 2018-05-29 16:34:48
● 2026-03-27 20:21:42
○ 2026-06-29 00:39:32

○A50.63.202.382015-11-14 → 2018-05-29 · 4 obs

● 2015-11-14 05:54:40
● 2018-05-29 16:34:48
○ 2026-03-27 20:21:42
○ 2026-06-29 00:39:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
worknotes.co	christina.ns.cloudflare.com, rocky.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.193

NS records: christina.ns.cloudflare.com, rocky.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for worknotes.co (unsigned zone)

⏱️ Timing

Total: 490ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.221.166, 104.21.51.54`
AAAA	2	`2606:4700:3031::ac43:dda6, 2606:4700:3033::6815:3336`
NS	2	`christina.ns.cloudflare.com, rocky.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`christina.ns.cloudflare.com dns.cloudfla`

Analysis

IP Addresses

worknotes.co directs to four IP numbers, which are 104.21.51.54, 172.67.221.166, 2606:4700:3031::ac43:dda6 and 2606:4700:3033::6815:3336.

Two other host names, along with cbhkankan.com, pl-23348-private.shop and parlayparis.bola1.org, also share IP numbers with worknotes.co.

Name Servers

worknotes.co has two authoritative name servers — christina.ns.cloudflare.com and rocky.ns.cloudflare.com.

worknotes.co shares its NS records with other domains, for example tlthings.net, saperincampania.it, serble.net and two others.

The name servers of worknotes.co overlap at least partially with those of other domains — among them rlmhearthealthfoundation.org, vindaway.com, zviam.co.il and two more.

These name servers commonly appear in combination with the name servers rosa.ns.cloudflare.com.

DNS names with 6 IP addresses:

christina.ns.cloudflare.com points to 108.162.194.193, 162.159.38.193, 172.64.34.193 and 3 other IP addresses.

rocky.ns.cloudflare.com points to 108.162.193.227, 172.64.33.227, 173.245.59.227 and 3 other IP addresses.

Mail Servers

Five mail servers handle worknotes.co: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

There is at least a partial MX overlap between worknotes.co and other domains, including creativeclicksagency.com, rennwigs.com, indianagunlaw.com and two others.

eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are mail servers that frequently appear together with these mail servers.

Host names that point to one IP address:

eforward1.registrar-servers.com resolves to 162.255.118.51.

eforward2.registrar-servers.com resolves to 162.255.118.52.

eforward3.registrar-servers.com resolves to 162.255.118.51.

eforward4.registrar-servers.com resolves to 162.255.118.52.

eforward5.registrar-servers.com resolves to 162.255.118.51.

Each of eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com resolves to 162.255.118.51.

The host names eforward2.registrar-servers.com and eforward4.registrar-servers.com both resolve to 162.255.118.52 IP addresses.