stacknowledge.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stacknowledge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2b3f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:dd72^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.63^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.114^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`randall.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ceb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`randall.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`randall.ns.cloudflare.com`
		A	108.162.195.235^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	162.159.44.235^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	172.64.35.235^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
NS	`ursula.ns.cloudflare.com`
		A	2606:4700:50::a29f:26bf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ursula.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2bf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ursula.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22bf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ursula.ns.cloudflare.com`
		A	108.162.194.191^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ursula.ns.cloudflare.com`
		A	162.159.38.191^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ursula.ns.cloudflare.com`
		A	172.64.34.191^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ursula.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.63, 172.67.221.114
		IPv6 hints	2606:4700:3032::6815:2b3f, 2606:4700:3035::ac43:dd72
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=128, name=cloudflare-ech.com
SOA	`randall.ns.cloudflare.com`dns@cloudflare.com serial=2410663575

`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=1787313174

Same first word

stacknowledge.com

Similar names

knowledgecast.us

knowledgecast.de

knowledgecast.info

knowledgecast.com

Previous names

Next names

DNS History

16 records (6 active, 10 former)

○NSns1.bluehost.com2016-05-02 → 2017-01-17 · 5 obs

○ 2016-02-23 20:58:48
● 2016-05-02 01:19:24
● 2017-01-17 09:12:48
○ 2026-08-21 08:26:10
○ 2026-08-21 12:20:02

○NSns15.domaincontrol.com2015-07-25 → 2015-11-22 · 4 obs

● 2015-07-25 19:15:08
● 2015-11-22 07:23:04
○ 2016-02-23 20:58:48
○ 2026-08-21 12:20:02

○NSns16.domaincontrol.com2015-07-25 → 2015-11-22 · 4 obs

● 2015-07-25 19:15:08
● 2015-11-22 07:23:04
○ 2016-02-23 20:58:48
○ 2026-08-21 12:20:02

○NSns2.bluehost.com2016-05-02 → 2017-01-17 · 5 obs

○ 2016-02-23 20:58:48
● 2016-05-02 01:19:24
● 2017-01-17 09:12:48
○ 2026-08-21 08:26:10
○ 2026-08-21 12:20:02

●NSrandall.ns.cloudflare.com2026-08-21 → 2026-08-21 · 3 obs

○ 2017-01-17 09:12:48
● 2026-08-21 08:26:10
● 2026-08-21 12:20:02

●NSursula.ns.cloudflare.com2026-08-21 → 2026-08-21 · 3 obs

○ 2017-01-17 09:12:48
● 2026-08-21 08:26:10
● 2026-08-21 12:20:02

○MXmail.stacknowledge.com2016-05-02 → 2017-01-17 · 5 obs

○ 2016-02-23 20:58:48
● 2016-05-02 01:19:24
● 2017-01-17 09:12:48
○ 2026-08-21 08:26:10
○ 2026-08-21 12:20:02

○MXmailstore1.secureserver.net2015-07-25 → 2015-11-22 · 4 obs

● 2015-07-25 19:15:08
● 2015-11-22 07:23:04
○ 2016-02-23 20:58:48
○ 2026-08-21 12:20:02

○MXsmtp.secureserver.net2015-07-25 → 2015-11-22 · 4 obs

● 2015-07-25 19:15:08
● 2015-11-22 07:23:04
○ 2016-02-23 20:58:48
○ 2026-08-21 12:20:02

●A104.21.43.632026-08-21 → 2026-08-21 · 3 obs

○ 2018-06-12 19:21:56
● 2026-08-21 08:26:10
● 2026-08-21 12:20:02

●A172.67.221.1142026-08-21 → 2026-08-21 · 3 obs

○ 2018-06-12 19:21:56
● 2026-08-21 08:26:10
● 2026-08-21 12:20:02

●A2606:4700:3032::6815:2b3f2026-08-21 → 2026-08-21 · 3 obs

○ 2018-06-12 19:21:56
● 2026-08-21 08:26:10
● 2026-08-21 12:20:02

●A2606:4700:3035::ac43:dd722026-08-21 → 2026-08-21 · 3 obs

○ 2018-06-12 19:21:56
● 2026-08-21 08:26:10
● 2026-08-21 12:20:02

○A50.63.202.452015-07-25 → 2015-11-22 · 4 obs

● 2015-07-25 19:15:08
● 2015-11-22 07:23:04
○ 2016-02-23 20:58:48
○ 2026-08-21 12:20:02

○A69.89.31.1882016-05-02 → 2017-01-17 · 5 obs

○ 2016-02-23 20:58:48
● 2016-05-02 01:19:24
● 2017-01-17 09:12:48
○ 2018-06-12 19:21:56
○ 2026-08-21 12:20:02

○A74.220.199.62018-06-12 → 2018-06-12 · 4 obs

○ 2017-01-17 09:12:48
● 2018-06-12 19:21:56
○ 2026-08-21 08:26:10
○ 2026-08-21 12:20:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stacknowledge.com	ursula.ns.cloudflare.com, randall.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.235

NS records: ursula.ns.cloudflare.com, randall.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacknowledge.com (unsigned zone)

⏱️ Timing

Total: 205ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.43.63, 172.67.221.114`
AAAA	2	`2606:4700:3035::ac43:dd72, 2606:4700:3032::6815:2b3f`
NS	2	`randall.ns.cloudflare.com, ursula.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`randall.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stacknowledge.com directs to four IP numbers, which are 104.21.43.63, 172.67.221.114, 2606:4700:3032::6815:2b3f and 2606:4700:3035::ac43:dd72.

ybodysuitq.ru, www.ayacookhouse.com, zucabjujab.sbs and two other host names share IP numbers with stacknowledge.com.

Name Servers

stacknowledge.com has two authoritative name servers — randall.ns.cloudflare.com and ursula.ns.cloudflare.com.

stacknowledge.com uses the same name servers as several other domains — among them cashforcarsfresno.org, briandicroce.com, shopcinemark.com and two more.

There is at least partial name server overlap between stacknowledge.com and other domains — zogomail.com, 1xbetgenuineid.shop, events-ostium.xyz and two more among them.

These name servers frequently co-occur with the name servers kenneth.ns.cloudflare.com and cecelia.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

randall.ns.cloudflare.com points to 108.162.195.235, 162.159.44.235, 172.64.35.235 and 3 other IP addresses.

ursula.ns.cloudflare.com points to 108.162.194.191, 162.159.38.191, 172.64.34.191 and 3 other IP addresses.