gcertificationcourse.com - dns.ninja

`gcertificationcourse.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:afda^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4b7f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.127^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.218^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ken.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ken.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ken.ns.cloudflare.com`
		A	108.162.193.127^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	172.64.33.127^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	173.245.59.127^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
NS	`zoe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c095^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zoe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2095^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zoe.ns.cloudflare.com`
		A	108.162.192.149^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	172.64.32.149^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	173.245.58.149^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
MX	`_dc-mx.5de6044dc53e.gcertificationcourse.com` ⭐
		A	185.231.223.214^{🇳🇱 VSHOSTING185.231.223.0/24}
			PTR	`gcertificationcourse.com`
TXT	`google-site-verification=D1Ypz1o7qzxOzIlUuSS5l133F9-ku-jkpEu8KJA3OhQ`
TXT	`v=spf1 a mx ip4:185.224.82.201 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.127, 172.67.175.218
		IPv6 hints	2606:4700:3030::ac43:afda, 2606:4700:3037::6815:4b7f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=173, name=cloudflare-ech.com
SOA	`ken.ns.cloudflare.com`dns@cloudflare.com serial=2409802344

`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=1784819277

📈 Tranco rank: #482,639

PTR for

214.223.231.185.in-addr.arpa

201.82.224.185.in-addr.arpa

Subdomains

www.gcertificationcourse.com

mail.gcertificationcourse.com

Same first word

gcertificationcourse.com

DNS History

13 records (7 active, 6 former)

○NScns17.hostgator.in2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 20:07:54
○ 2026-02-18 09:45:42
○ 2026-07-23 15:24:22

○NScns18.hostgator.in2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 20:07:54
○ 2026-02-18 09:45:42
○ 2026-07-23 15:24:22

●NSken.ns.cloudflare.com2026-02-18 → 2026-07-23 · 3 obs

○ 2018-05-07 20:07:54
● 2026-02-18 09:45:42
● 2026-07-23 15:24:22

●NSzoe.ns.cloudflare.com2026-02-18 → 2026-07-23 · 3 obs

○ 2018-05-07 20:07:54
● 2026-02-18 09:45:42
● 2026-07-23 15:24:22

●MX_dc-mx.5de6044dc53e.gcertificationcourse.com2026-02-18 → 2026-07-23 · 3 obs

○ 2018-05-07 20:07:54
● 2026-02-18 09:45:42
● 2026-07-23 15:24:22

○MXmail.gcertificationcourse.com2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 20:07:54
○ 2026-02-18 09:45:42
○ 2026-07-23 15:24:22

●A104.21.75.1272026-02-18 → 2026-07-23 · 3 obs

○ 2018-05-07 20:07:54
● 2026-02-18 09:45:42
● 2026-07-23 15:24:22

○A108.167.146.322018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 20:07:54
○ 2026-02-18 09:45:42
○ 2026-07-23 15:24:22

●A172.67.175.2182026-02-18 → 2026-07-23 · 3 obs

○ 2018-05-07 20:07:54
● 2026-02-18 09:45:42
● 2026-07-23 15:24:22

●A2606:4700:3030::ac43:afda2026-07-04 → 2026-07-23 · 3 obs

○ 2026-02-18 09:45:42
● 2026-07-04 22:05:08
● 2026-07-23 15:24:22

○A2606:4700:3036::6815:4b7f2026-02-18 → 2026-02-18 · 4 obs

○ 2018-05-07 20:07:54
● 2026-02-18 09:45:42
○ 2026-07-04 22:05:08
○ 2026-07-23 15:24:22

○A2606:4700:3036::ac43:afda2026-02-18 → 2026-02-18 · 4 obs

○ 2018-05-07 20:07:54
● 2026-02-18 09:45:42
○ 2026-07-04 22:05:08
○ 2026-07-23 15:24:22

●A2606:4700:3037::6815:4b7f2026-07-04 → 2026-07-23 · 3 obs

○ 2026-02-18 09:45:42
● 2026-07-04 22:05:08
● 2026-07-23 15:24:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
gcertificationcourse.com	ken.ns.cloudflare.com, zoe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.127

NS records: ken.ns.cloudflare.com, zoe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gcertificationcourse.com (unsigned zone)

⏱️ Timing

Total: 305ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.75.127, 172.67.175.218`
AAAA	2	`2606:4700:3030::ac43:afda, 2606:4700:3037::6815:4b7f`
NS	2	`ken.ns.cloudflare.com, zoe.ns.cloudflare.com`
MX	1	`_dc-mx.5de6044dc53e.gcertificationcourse`
TXT	2	`google-site-verification=D1Ypz1o7qzxOzIl, v=spf1 a mx ip4:185.224.82.201 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ken.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

gcertificationcourse.com is the parent domain of www.gcertificationcourse.com and mail.gcertificationcourse.com.

IP Addresses

gcertificationcourse.com resolves to four IP addresses: 104.21.75.127, 172.67.175.218, 2606:4700:3030::ac43:afda and 2606:4700:3037::6815:4b7f.

Additional host names — sunwin68.bond, nicolascoolman.com, macanasia88hebat.life and two others — share IP numbers with gcertificationcourse.com.

Name Servers

gcertificationcourse.com has two authoritative name servers — ken.ns.cloudflare.com and zoe.ns.cloudflare.com.

gcertificationcourse.com shares its name server setup with other domains, including shinto.in, 29i.net, petrostasoulis.gr and two others.

gcertificationcourse.com partially shares its NS delegation with several other domains, including butoraim.hu, tuinkussen.com, zcmap.com and two others.

The name servers lisa.ns.cloudflare.com, ns1.colocrossing.com, ns2.colocrossing.com and aiden.ns.cloudflare.com are often found in use alongside these name servers.

Host names with 6 IP numbers:

ken.ns.cloudflare.com points to 108.162.193.127, 172.64.33.127, 173.245.59.127 and 3 other IP addresses.

zoe.ns.cloudflare.com points to 108.162.192.149, 172.64.32.149, 173.245.58.149 and 3 other IP addresses.

Mail Servers

gcertificationcourse.com has one mail server: _dc-mx.5de6044dc53e.gcertificationcourse.com.

_dc-mx.5de6044dc53e.gcertificationcourse.com points to one IP number — 185.231.223.214.