gcsescience.com - dns.ninja

`gcsescience.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:bff8^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:b6f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.11.111^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.248^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`janet.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`janet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`janet.ns.cloudflare.com`
		A	108.162.192.169^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	172.64.32.169^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	173.245.58.169^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
NS	`jim.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jim.ns.cloudflare.com`
		A	108.162.193.125^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	172.64.33.125^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	173.245.59.125^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=Ra2T_ygDnClx5MdjYSSlpQSKFfNtt43ZydvQIIbnozk`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.11.111, 172.67.191.248
		IPv6 hints	2606:4700:3034::ac43:bff8, 2606:4700:3035::6815:b6f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com
SOA	`janet.ns.cloudflare.com`dns@cloudflare.com serial=2409502720

`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=1785205872

rank #658864 globally
rank #276826 in the tld
WOT: SAFE (93/100)

Previously MX for

www.gcsescience.com

gcsescience.com

Subdomains

www.gcsescience.com

Same first word

gcsescience.com

Similar names

sciencegcse.com

sciencegcse.co.uk

DNS History

28 records (11 active, 17 former)

●NSjanet.ns.cloudflare.com2026-02-15 → 2026-07-28 · 3 obs

○ 2017-04-02 06:37:38
● 2026-02-15 03:00:02
● 2026-07-28 02:56:24

●NSjim.ns.cloudflare.com2026-02-15 → 2026-07-28 · 3 obs

○ 2017-04-02 06:37:38
● 2026-02-15 03:00:02
● 2026-07-28 02:56:24

○NSns1.linode.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
○ 2026-02-15 03:00:02
○ 2026-07-28 02:56:24

○NSns2.linode.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
○ 2026-02-15 03:00:02
○ 2026-07-28 02:56:24

○NSns3.linode.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
○ 2026-02-15 03:00:02
○ 2026-07-28 02:56:24

○NSns4.linode.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
○ 2026-02-15 03:00:02
○ 2026-07-28 02:56:24

○NSns5.linode.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
○ 2026-02-15 03:00:02
○ 2026-07-28 02:56:24

○NSns7.eukdns.com2015-08-02 → 2016-07-25 · 4 obs

● 2015-08-02 05:40:36
● 2016-07-25 07:29:34
○ 2017-04-02 06:37:38
○ 2026-07-28 02:56:24

○NSns8.eukdns.com2015-08-02 → 2016-07-25 · 4 obs

● 2015-08-02 05:40:36
● 2016-07-25 07:29:34
○ 2017-04-02 06:37:38
○ 2026-07-28 02:56:24

●MXalt1.aspmx.l.google.com2017-04-02 → 2026-07-28 · 3 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
● 2026-07-28 02:56:24

●MXalt2.aspmx.l.google.com2017-04-02 → 2026-07-28 · 3 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
● 2026-07-28 02:56:24

●MXalt3.aspmx.l.google.com2017-04-02 → 2026-07-28 · 3 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
● 2026-07-28 02:56:24

●MXalt4.aspmx.l.google.com2017-04-02 → 2026-07-28 · 3 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
● 2026-07-28 02:56:24

●MXaspmx.l.google.com2017-04-02 → 2026-07-28 · 3 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
● 2026-07-28 02:56:24

○MXgcsescience.com2015-08-02 → 2016-07-25 · 4 obs

● 2015-08-02 05:40:36
● 2016-07-25 07:29:34
○ 2017-04-02 06:37:38
○ 2026-07-28 02:56:24

●A104.21.11.1112026-02-15 → 2026-07-28 · 8 obs

○ 2017-04-02 06:37:38
● 2026-02-15 03:00:02
● 2026-06-01 06:34:08
○ 2026-06-02 15:20:30
● 2026-06-07 17:08:42
● 2026-06-08 18:01:14
○ 2026-07-10 10:46:56
● 2026-07-28 02:56:24

●A172.67.191.2482026-02-15 → 2026-07-28 · 8 obs

○ 2017-04-02 06:37:38
● 2026-02-15 03:00:02
● 2026-06-01 06:34:08
○ 2026-06-02 15:20:30
● 2026-06-07 17:08:42
● 2026-06-08 18:01:14
○ 2026-07-10 10:46:56
● 2026-07-28 02:56:24

○A173.255.219.2462017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
○ 2026-02-15 03:00:02
○ 2026-07-28 02:56:24

○A188.114.96.02026-06-02 → 2026-07-10 · 6 obs

○ 2026-06-01 06:34:08
● 2026-06-02 15:20:30
○ 2026-06-07 17:08:42
○ 2026-06-08 18:01:14
● 2026-07-10 10:46:56
○ 2026-07-28 02:56:24

○A188.114.97.02026-06-02 → 2026-07-10 · 6 obs

○ 2026-06-01 06:34:08
● 2026-06-02 15:20:30
○ 2026-06-07 17:08:42
○ 2026-06-08 18:01:14
● 2026-07-10 10:46:56
○ 2026-07-28 02:56:24

○A217.112.82.132015-08-02 → 2016-07-25 · 4 obs

● 2015-08-02 05:40:36
● 2016-07-25 07:29:34
○ 2017-04-02 06:37:38
○ 2026-07-28 02:56:24

○A2600:3c01::f03c:91ff:fee7:96aa2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-25 07:29:34
● 2017-04-02 06:37:38
○ 2026-02-15 03:00:02
○ 2026-07-28 02:56:24

○A2606:4700:3032::6815:b6f2026-02-15 → 2026-06-08 · 8 obs

○ 2017-04-02 06:37:38
● 2026-02-15 03:00:02
● 2026-06-01 06:34:08
○ 2026-06-02 15:20:30
● 2026-06-07 17:08:42
● 2026-06-08 18:01:14
○ 2026-07-10 10:46:56
○ 2026-07-28 02:56:24

○A2606:4700:3032::ac43:bff82026-02-15 → 2026-06-08 · 8 obs

○ 2017-04-02 06:37:38
● 2026-02-15 03:00:02
● 2026-06-01 06:34:08
○ 2026-06-02 15:20:30
● 2026-06-07 17:08:42
● 2026-06-08 18:01:14
○ 2026-07-10 10:46:56
○ 2026-07-28 02:56:24

●A2606:4700:3034::ac43:bff82026-07-28 → 2026-07-28 · 2 obs

○ 2026-07-10 10:46:56
● 2026-07-28 02:56:24

●A2606:4700:3035::6815:b6f2026-07-28 → 2026-07-28 · 2 obs

○ 2026-07-10 10:46:56
● 2026-07-28 02:56:24

○A2a06:98c1:3120::2026-06-02 → 2026-07-10 · 6 obs

○ 2026-06-01 06:34:08
● 2026-06-02 15:20:30
○ 2026-06-07 17:08:42
○ 2026-06-08 18:01:14
● 2026-07-10 10:46:56
○ 2026-07-28 02:56:24

○A2a06:98c1:3121::2026-06-02 → 2026-07-10 · 6 obs

○ 2026-06-01 06:34:08
● 2026-06-02 15:20:30
○ 2026-06-07 17:08:42
○ 2026-06-08 18:01:14
● 2026-07-10 10:46:56
○ 2026-07-28 02:56:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
gcsescience.com	jim.ns.cloudflare.com, janet.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.125

NS records: jim.ns.cloudflare.com, janet.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gcsescience.com (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.11.111, 172.67.191.248`
AAAA	2	`2606:4700:3035::6815:b6f, 2606:4700:3034::ac43:bff8`
NS	2	`janet.ns.cloudflare.com, jim.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=Ra2T_ygDnClx5Md, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`janet.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.gcsescience.com is a subdomain of gcsescience.com.

IP Addresses

gcsescience.com directs to four IP numbers, which are 104.21.11.111, 172.67.191.248, 2606:4700:3034::ac43:bff8 and 2606:4700:3035::6815:b6f.

casinoroyal790.com, qqq801.com, ars.de and two other host names share IP numbers with gcsescience.com.

Name Servers

Two name servers handle the delegation for gcsescience.com: janet.ns.cloudflare.com and jim.ns.cloudflare.com.

gcsescience.com uses the same name servers as several other domains — among them osmira.ru, builtintwincities.org, rosinka.ru and two more.

The name servers of gcsescience.com overlap at least partially with those of other domains — among them systemcenter.technology, fidelitytaxrelief.com, xoso66a.ac and two more.

These name servers commonly appear in combination with the name servers wells.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

janet.ns.cloudflare.com resolves to 108.162.192.169, 172.64.32.169 and 173.245.58.169 among others, with 3 other IP addresses in total.

jim.ns.cloudflare.com resolves to 108.162.193.125, 172.64.33.125 and 173.245.59.125 among others, with 3 other IP addresses in total.

Mail Servers

Five mail servers handle gcsescience.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

gcsescience.com has at least partial mail server overlap with other domains such as ns500731.ns500671.ns500671.ns500742.ns500754.ns500688.ns500705.ns500671.ns500688.ns500649.ns500291.ns500153.tenderladiesbz.com, ns500759.ns500698.ns500759.ns500758.ns500698.ns500735.ns500698.ns500736.ns500708.ns500576.ns500698.ns500619.ns500698.ns500576.ns500619.ns500576.trackreceptor.com, ns500671.ns500742.ns500742.ns500671.ns500731.ns500671.ns500704.ns500671.ns500649.ns500291.ns500153.tenderladiesbz.com and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.111.27 and 2607:f8b0:4004:c1d::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.