`workduck.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:9644^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:6014^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.96.20^{Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.68^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cory.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cory.ns.cloudflare.com`
		A	108.162.193.93^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	172.64.33.93^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	173.245.59.93^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
NS	`etta.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`etta.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`etta.ns.cloudflare.com`
		A	108.162.192.156^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	172.64.32.156^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	173.245.58.156^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.96.20, 172.67.150.68
		IPv6 hints	2606:4700:3034::ac43:9644, 2606:4700:3037::6815:6014
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com
SOA	`cory.ns.cloudflare.com`dns@cloudflare.com serial=2410561944

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1785517401

Same first word

workduck.io

workduck.com

DNS History

10 records (6 active, 4 former)

●NScory.ns.cloudflare.com2026-07-14 → 2026-07-31 · 2 obs

● 2026-07-14 06:33:22
● 2026-07-31 18:15:14

●NSetta.ns.cloudflare.com2026-07-14 → 2026-07-31 · 2 obs

● 2026-07-14 06:33:22
● 2026-07-31 18:15:14

●A104.21.96.202026-07-29 → 2026-07-31 · 3 obs

○ 2026-07-14 06:33:22
● 2026-07-29 19:45:24
● 2026-07-31 18:15:14

●A172.67.150.682026-07-29 → 2026-07-31 · 3 obs

○ 2026-07-14 06:33:22
● 2026-07-29 19:45:24
● 2026-07-31 18:15:14

○A188.114.96.02026-07-14 → 2026-07-14 · 3 obs

● 2026-07-14 06:33:22
○ 2026-07-29 19:45:24
○ 2026-07-31 18:15:14

○A188.114.97.02026-07-14 → 2026-07-14 · 3 obs

● 2026-07-14 06:33:22
○ 2026-07-29 19:45:24
○ 2026-07-31 18:15:14

●A2606:4700:3034::ac43:96442026-07-29 → 2026-07-31 · 3 obs

○ 2026-07-14 06:33:22
● 2026-07-29 19:45:24
● 2026-07-31 18:15:14

●A2606:4700:3037::6815:60142026-07-29 → 2026-07-31 · 3 obs

○ 2026-07-14 06:33:22
● 2026-07-29 19:45:24
● 2026-07-31 18:15:14

○A2a06:98c1:3120::2026-07-14 → 2026-07-14 · 3 obs

● 2026-07-14 06:33:22
○ 2026-07-29 19:45:24
○ 2026-07-31 18:15:14

○A2a06:98c1:3121::2026-07-14 → 2026-07-14 · 3 obs

● 2026-07-14 06:33:22
○ 2026-07-29 19:45:24
○ 2026-07-31 18:15:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io	-
workduck.io	cory.ns.cloudflare.com, etta.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.156

NS records: cory.ns.cloudflare.com, etta.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workduck.io (unsigned zone)

⏱️ Timing

Total: 346ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.96.20, 172.67.150.68`
AAAA	2	`2606:4700:3037::6815:6014, 2606:4700:3034::ac43:9644`
NS	2	`cory.ns.cloudflare.com, etta.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cory.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

workduck.io has four IP addresses: 104.21.96.20, 172.67.150.68, 2606:4700:3034::ac43:9644 and 2606:4700:3037::6815:6014.

brunobougie.com, social-studies-usa.peakprofessor.com, tropout.com and two other host names share IP numbers with workduck.io.

Name Servers

workduck.io uses two name servers for its delegation: cory.ns.cloudflare.com and etta.ns.cloudflare.com.

workduck.io uses the same name servers as several other domains — among them secretgarden.cl, mathtea.net, speelhuisblogt.nl and two more.

workduck.io has at least partial name server overlap with other domains, such as sachacs.com, shbrotherssoapco.com, stumble-guys.com and two others.

These name servers tend to appear together with the name servers raquel.ns.cloudflare.com, vick.ns.cloudflare.com and janet.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname cory.ns.cloudflare.com directs to 108.162.193.93, 172.64.33.93 and 173.245.59.93 along with 3 other IP addresses.

Hostname etta.ns.cloudflare.com directs to 108.162.192.156, 172.64.32.156 and 173.245.58.156 along with 3 other IP addresses.

workduck.io - robtex.com

workduck.io

io

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`workduck.io`

`io`