knowledgecertified.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledgecertified.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:532a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d41a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.42^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.26^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`celine.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2662^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c262^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`celine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2262^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`celine.ns.cloudflare.com`
		A	108.162.194.98^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	162.159.38.98^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	172.64.34.98^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
NS	`dan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
MX	`knowledgecertified-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch3pr04cu00104.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f904::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ds2pr05cu00102.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
		A	52.101.41.206^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr05cu00806.inbound.protection.outlook.com`
		A	52.101.50.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00401.inbound.protection.outlook.com`
		A	52.101.194.164^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr04cu00204.inbound.protection.outlook.com`
TXT	`MS=ms55838706`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`zoho-verification=zb11782593.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.42, 172.67.212.26
		IPv6 hints	2606:4700:3035::6815:532a, 2606:4700:3036::ac43:d41a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=235, name=cloudflare-ech.com
SOA	`celine.ns.cloudflare.com`dns@cloudflare.com serial=2418330891

`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=1793297866

Same first word

knowledgecertified.com

Similar names

certifiedknowledge.net

certifiedknowledge.com

certifiedknowledge.org

Previous names

Next names

DNS History

16 records (7 active, 9 former)

●NSceline.ns.cloudflare.com2026-10-25 → 2026-10-29 · 3 obs

○ 2018-12-09 14:21:58
● 2026-10-25 08:06:42
● 2026-10-29 18:27:02

●NSdan.ns.cloudflare.com2026-10-25 → 2026-10-29 · 3 obs

○ 2018-12-09 14:21:58
● 2026-10-25 08:06:42
● 2026-10-29 18:27:02

○NSns1.bdm.microsoftonline.com2018-12-09 → 2018-12-09 · 4 obs

○ 2017-01-04 20:21:48
● 2018-12-09 14:21:58
○ 2026-10-25 08:06:42
○ 2026-10-29 18:27:02

○NSns107.ehosts.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:21:48
○ 2018-12-09 14:21:58
○ 2026-10-29 18:27:02

○NSns108.ehosts.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:21:48
○ 2018-12-09 14:21:58
○ 2026-10-29 18:27:02

○NSns2.bdm.microsoftonline.com2018-12-09 → 2018-12-09 · 4 obs

○ 2017-01-04 20:21:48
● 2018-12-09 14:21:58
○ 2026-10-25 08:06:42
○ 2026-10-29 18:27:02

○NSns3.bdm.microsoftonline.com2018-12-09 → 2018-12-09 · 4 obs

○ 2017-01-04 20:21:48
● 2018-12-09 14:21:58
○ 2026-10-25 08:06:42
○ 2026-10-29 18:27:02

○NSns4.bdm.microsoftonline.com2018-12-09 → 2018-12-09 · 4 obs

○ 2017-01-04 20:21:48
● 2018-12-09 14:21:58
○ 2026-10-25 08:06:42
○ 2026-10-29 18:27:02

●MXknowledgecertified-com.mail.protection.outlook.com2018-12-09 → 2026-10-29 · 3 obs

○ 2017-01-04 20:21:48
● 2018-12-09 14:21:58
● 2026-10-29 18:27:02

○MXmail.knowledgecertified.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:21:48
○ 2018-12-09 14:21:58
○ 2026-10-29 18:27:02

●A104.21.83.422026-10-25 → 2026-10-29 · 3 obs

○ 2018-12-09 14:21:58
● 2026-10-25 08:06:42
● 2026-10-29 18:27:02

○A108.167.160.382017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:21:48
○ 2018-12-09 14:21:58
○ 2026-10-29 18:27:02

●A172.67.212.262026-10-25 → 2026-10-29 · 3 obs

○ 2018-12-09 14:21:58
● 2026-10-25 08:06:42
● 2026-10-29 18:27:02

○A18.219.8.422018-12-09 → 2018-12-09 · 4 obs

○ 2017-01-04 20:21:48
● 2018-12-09 14:21:58
○ 2026-10-25 08:06:42
○ 2026-10-29 18:27:02

●A2606:4700:3035::6815:532a2026-10-25 → 2026-10-29 · 3 obs

○ 2018-12-09 14:21:58
● 2026-10-25 08:06:42
● 2026-10-29 18:27:02

●A2606:4700:3036::ac43:d41a2026-10-25 → 2026-10-29 · 3 obs

○ 2018-12-09 14:21:58
● 2026-10-25 08:06:42
● 2026-10-29 18:27:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net...	-
knowledgecertified.com	dan.ns.cloudflare.com, celine.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.108

NS records: dan.ns.cloudflare.com, celine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgecertified.com (unsigned zone)

⏱️ Timing

Total: 673ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.83.42, 172.67.212.26`
AAAA	2	`2606:4700:3035::6815:532a, 2606:4700:3036::ac43:d41a`
NS	2	`celine.ns.cloudflare.com, dan.ns.cloudflare.com`
MX	1	`knowledgecertified-com.mail.protection.o`
TXT	3	`MS=ms55838706, v=spf1 include:spf.protection.outlook.co...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`celine.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

knowledgecertified.com resolves to four IP addresses: 104.21.83.42, 172.67.212.26, 2606:4700:3035::6815:532a and 2606:4700:3036::ac43:d41a.

Additional host names — okablende.my, doraslot-xtra.store, ih-cn.com and two others — share IP numbers with knowledgecertified.com.

Name Servers

knowledgecertified.com is served by two delegated name servers, celine.ns.cloudflare.com and dan.ns.cloudflare.com.

knowledgecertified.com shares its name server setup with other domains, including sumut-16kk.pages.dev, kekhaitructuyen.com, kmlabib.com and two others.

knowledgecertified.com partially shares its NS delegation with several other domains, including sisal.info, riwayah.io, respiracare.institute and two others.

The name servers rosemary.ns.cloudflare.com, miles.ns.cloudflare.com, desi.ns.cloudflare.com and tony.ns.cloudflare.com are often found in use alongside these name servers.

Host names with 6 IP numbers:

celine.ns.cloudflare.com carries IP addresses 108.162.194.98, 162.159.38.98 and 172.64.34.98, with 3 other addresses beyond those.

dan.ns.cloudflare.com carries IP addresses 108.162.193.108, 172.64.33.108 and 173.245.59.108, with 3 other addresses beyond those.

Mail Servers

knowledgecertified.com has one mail server: knowledgecertified-com.mail.protection.outlook.com.

knowledgecertified-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.41.26, 52.101.41.206, 52.101.50.1 and 5 other.