designforusability.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`designforusability.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:db19^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3e1c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.62.28^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.219.25^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
NS	`lindsey.ns.cloudflare.com`
		A	2606:4700:50::a29f:2605^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lindsey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c205^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lindsey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2205^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lindsey.ns.cloudflare.com`
		A	108.162.194.5^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lindsey.ns.cloudflare.com`
		A	162.159.38.5^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lindsey.ns.cloudflare.com`
		A	172.64.34.5^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lindsey.ns.cloudflare.com`
MX	`mx1-hosting.jellyfish.systems` ⭐
		A	162.255.118.28^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse3a.privateemail.com`
MX	`mx2-hosting.jellyfish.systems`⁽¹⁰⁾
		A	162.255.118.29^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse2b.privateemail.com`
MX	`mx3-hosting.jellyfish.systems`⁽²⁰⁾
		A	162.255.118.13^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx3-hosting.jellyfish.systems`
TXT	`v=spf1 +a +mx +ip4:162.0.232.73 include:spf.web-hosting.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.62.28, 172.67.219.25
		IPv6 hints	2606:4700:3034::ac43:db19, 2606:4700:3035::6815:3e1c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2410786239

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786847679

Subdomains

www.designforusability.com

Same first word

designforusability.com

DNS History

27 records (9 active, 18 former)

●NSdave.ns.cloudflare.com2026-04-19 → 2026-08-16 · 3 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-08-16 02:58:10

○NSdns1.registrar-servers.com2016-01-27 → 2017-12-20 · 5 obs

○ 2015-11-09 04:41:38
● 2016-01-27 10:56:08
● 2017-12-20 07:58:54
○ 2026-04-19 08:53:02
○ 2026-08-16 02:58:10

○NSdns2.registrar-servers.com2016-01-27 → 2017-12-20 · 5 obs

○ 2015-11-09 04:41:38
● 2016-01-27 10:56:08
● 2017-12-20 07:58:54
○ 2026-04-19 08:53:02
○ 2026-08-16 02:58:10

○NSdns3.registrar-servers.com2016-01-27 → 2016-04-19 · 5 obs

○ 2015-11-09 04:41:38
● 2016-01-27 10:56:08
● 2016-04-19 15:28:36
○ 2016-12-06 02:46:04
○ 2026-08-16 02:58:10

○NSdns4.registrar-servers.com2016-01-27 → 2016-04-19 · 5 obs

○ 2015-11-09 04:41:38
● 2016-01-27 10:56:08
● 2016-04-19 15:28:36
○ 2016-12-06 02:46:04
○ 2026-08-16 02:58:10

○NSdns5.registrar-servers.com2016-01-27 → 2016-04-19 · 5 obs

○ 2015-11-09 04:41:38
● 2016-01-27 10:56:08
● 2016-04-19 15:28:36
○ 2016-12-06 02:46:04
○ 2026-08-16 02:58:10

●NSlindsey.ns.cloudflare.com2026-04-19 → 2026-08-16 · 3 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-08-16 02:58:10

○NSns1.livedns.co.uk2015-07-06 → 2015-11-09 · 4 obs

● 2015-07-06 15:19:28
● 2015-11-09 04:41:38
○ 2016-01-27 10:56:08
○ 2026-08-16 02:58:10

○NSns2.livedns.co.uk2015-07-06 → 2015-11-09 · 4 obs

● 2015-07-06 15:19:28
● 2015-11-09 04:41:38
○ 2016-01-27 10:56:08
○ 2026-08-16 02:58:10

○NSns3.livedns.co.uk2015-07-06 → 2015-11-09 · 4 obs

● 2015-07-06 15:19:28
● 2015-11-09 04:41:38
○ 2016-01-27 10:56:08
○ 2026-08-16 02:58:10

○MXeforward1.registrar-servers.com2016-01-27 → 2017-12-20 · 4 obs

● 2016-01-27 10:56:08
● 2017-12-20 07:58:54
○ 2026-04-19 08:53:02
○ 2026-08-16 02:58:10

○MXeforward2.registrar-servers.com2016-01-27 → 2017-12-20 · 4 obs

● 2016-01-27 10:56:08
● 2017-12-20 07:58:54
○ 2026-04-19 08:53:02
○ 2026-08-16 02:58:10

○MXeforward3.registrar-servers.com2016-01-27 → 2017-12-20 · 4 obs

● 2016-01-27 10:56:08
● 2017-12-20 07:58:54
○ 2026-04-19 08:53:02
○ 2026-08-16 02:58:10

○MXeforward4.registrar-servers.com2016-01-27 → 2017-12-20 · 4 obs

● 2016-01-27 10:56:08
● 2017-12-20 07:58:54
○ 2026-04-19 08:53:02
○ 2026-08-16 02:58:10

○MXeforward5.registrar-servers.com2016-01-27 → 2017-12-20 · 4 obs

● 2016-01-27 10:56:08
● 2017-12-20 07:58:54
○ 2026-04-19 08:53:02
○ 2026-08-16 02:58:10

●MXmx1-hosting.jellyfish.systems2026-04-19 → 2026-08-16 · 3 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-08-16 02:58:10

●MXmx2-hosting.jellyfish.systems2026-04-19 → 2026-08-16 · 3 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-08-16 02:58:10

●MXmx3-hosting.jellyfish.systems2026-04-19 → 2026-08-16 · 3 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-08-16 02:58:10

●A104.21.62.282026-04-19 → 2026-08-16 · 3 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-08-16 02:58:10

○A138.68.133.1802016-12-06 → 2017-12-20 · 5 obs

○ 2016-04-19 15:28:36
● 2016-12-06 02:46:04
● 2017-12-20 07:58:54
○ 2026-04-19 08:53:02
○ 2026-08-16 02:58:10

●A172.67.219.252026-04-19 → 2026-08-16 · 3 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-08-16 02:58:10

○A212.48.87.2102016-01-27 → 2016-04-19 · 5 obs

○ 2015-11-09 04:41:38
● 2016-01-27 10:56:08
● 2016-04-19 15:28:36
○ 2016-12-06 02:46:04
○ 2026-08-16 02:58:10

○A2606:4700:3032::ac43:db192026-04-19 → 2026-05-22 · 4 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-05-22 19:46:58
○ 2026-08-16 02:58:10

○A2606:4700:3034::6815:3e1c2026-04-19 → 2026-05-22 · 4 obs

○ 2017-12-20 07:58:54
● 2026-04-19 08:53:02
● 2026-05-22 19:46:58
○ 2026-08-16 02:58:10

●A2606:4700:3034::ac43:db192026-08-16 → 2026-08-16 · 2 obs

○ 2026-05-22 19:46:58
● 2026-08-16 02:58:10

●A2606:4700:3035::6815:3e1c2026-08-16 → 2026-08-16 · 2 obs

○ 2026-05-22 19:46:58
● 2026-08-16 02:58:10

○A88.208.252.92015-07-06 → 2015-11-09 · 4 obs

● 2015-07-06 15:19:28
● 2015-11-09 04:41:38
○ 2016-01-27 10:56:08
○ 2026-08-16 02:58:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
designforusability.com	dave.ns.cloudflare.com, lindsey.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.109

NS records: dave.ns.cloudflare.com, lindsey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for designforusability.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.219.25, 104.21.62.28`
AAAA	2	`2606:4700:3034::ac43:db19, 2606:4700:3035::6815:3e1c`
NS	2	`dave.ns.cloudflare.com, lindsey.ns.cloudflare.com`
MX	3	`mx2-hosting.jellyfish.systems (pri: 10), mx3-hosting.jellyfish.systems (pri: 20)...`
TXT	1	`v=spf1 +a +mx +ip4:162.0.232.73 include:`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dave.ns.cloudflare.com, dave.ns.cloudflare.com, dave.ns.cloudflare.com...)

Analysis

Hierarchy

The domain www.designforusability.com falls under the parent designforusability.com.

IP Addresses

designforusability.com directs to four IP numbers, which are 104.21.62.28, 172.67.219.25, 2606:4700:3034::ac43:db19 and 2606:4700:3035::6815:3e1c.

islam2all.com, paysdebaud.com, bogilhost.space plus two other host names have IP numbers in common with designforusability.com.

Name Servers

designforusability.com uses two name servers for its delegation: dave.ns.cloudflare.com and lindsey.ns.cloudflare.com.

The name server configuration of designforusability.com is shared with other domains, for instance johndivy.com, linkdewacair.online, img.id and two others.

At least some of designforusability.com's name servers are shared with other domains, for example correosachle.top, source-israel.co.il, homeyou.com and two more.

These name servers are often deployed together with the name servers mimi.ns.cloudflare.com, dana.ns.cloudflare.com, jarred.ns.cloudflare.com and wells.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname dave.ns.cloudflare.com directs to 108.162.193.109, 172.64.33.109 and 173.245.59.109 along with 3 other IP addresses.

Hostname lindsey.ns.cloudflare.com directs to 108.162.194.5, 162.159.38.5 and 172.64.34.5 along with 3 other IP addresses.

Mail Servers

The MX records for designforusability.com list three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

At least some of the mail servers used by designforusability.com are shared with other domains: btness.com, stepabovecarpentryjoinery.com, wiselythemes.com and two others among them.

The hostnames mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems each resolve to a single IP: mx1-hosting.jellyfish.systems → 162.255.118.28, mx2-hosting.jellyfish.systems → 162.255.118.29, mx3-hosting.jellyfish.systems → 162.255.118.13.