grstudy1.com - dns.ninja

`grstudy1.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c1b8^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:c42^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.66^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.184^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ingrid.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ingrid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ingrid.ns.cloudflare.com`
		A	108.162.192.165^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	172.64.32.165^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	173.245.58.165^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
NS	`kevin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bbf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1bf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kevin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21bf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kevin.ns.cloudflare.com`
		A	108.162.193.191^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	172.64.33.191^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	173.245.59.191^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁴⁸⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁹⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`66c1ed26d3077f1923f6b707979fa629`
TXT	`google-site-verification=kjIZjf4qcuzinWdWmSzarcS9vZqabTE7lcOoTmq71EI`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.66, 172.67.193.184
		IPv6 hints	2606:4700:3031::ac43:c1b8, 2606:4700:3037::6815:c42
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOA	`ingrid.ns.cloudflare.com`dns@cloudflare.com serial=2410087214

`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=1785530367

Same first word

grstudy1.com

DNS History

12 records (9 active, 3 former)

●NSingrid.ns.cloudflare.com2026-02-21 → 2026-07-31 · 2 obs

● 2026-02-21 19:54:10
● 2026-07-31 20:49:44

●NSkevin.ns.cloudflare.com2026-02-21 → 2026-07-31 · 2 obs

● 2026-02-21 19:54:10
● 2026-07-31 20:49:44

○MXmx1.hostinger.com2026-02-21 → 2026-06-01 · 4 obs

● 2026-02-21 19:54:10
● 2026-06-01 07:46:56
○ 2026-06-04 08:35:24
○ 2026-07-31 20:49:44

○MXmx2.hostinger.com2026-02-21 → 2026-06-01 · 4 obs

● 2026-02-21 19:54:10
● 2026-06-01 07:46:56
○ 2026-06-04 08:35:24
○ 2026-07-31 20:49:44

●MXroute1.mx.cloudflare.net2026-06-04 → 2026-07-31 · 3 obs

○ 2026-06-01 07:46:56
● 2026-06-04 08:35:24
● 2026-07-31 20:49:44

●MXroute2.mx.cloudflare.net2026-06-04 → 2026-07-31 · 3 obs

○ 2026-06-01 07:46:56
● 2026-06-04 08:35:24
● 2026-07-31 20:49:44

●MXroute3.mx.cloudflare.net2026-06-04 → 2026-07-31 · 3 obs

○ 2026-06-01 07:46:56
● 2026-06-04 08:35:24
● 2026-07-31 20:49:44

●A104.21.12.662026-02-21 → 2026-07-31 · 2 obs

● 2026-02-21 19:54:10
● 2026-07-31 20:49:44

●A172.67.193.1842026-02-21 → 2026-07-31 · 2 obs

● 2026-02-21 19:54:10
● 2026-07-31 20:49:44

●A2606:4700:3031::ac43:c1b82026-02-21 → 2026-07-31 · 2 obs

● 2026-02-21 19:54:10
● 2026-07-31 20:49:44

○A2606:4700:3033::6815:c422026-02-21 → 2026-06-04 · 4 obs

● 2026-02-21 19:54:10
● 2026-06-04 08:35:24
○ 2026-07-09 06:53:32
○ 2026-07-31 20:49:44

●A2606:4700:3037::6815:c422026-07-09 → 2026-07-31 · 3 obs

○ 2026-06-04 08:35:24
● 2026-07-09 06:53:32
● 2026-07-31 20:49:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...	-
grstudy1.com	kevin.ns.cloudflare.com, ingrid.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.165

NS records: kevin.ns.cloudflare.com, ingrid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grstudy1.com (unsigned zone)

⏱️ Timing

Total: 406ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.12.66, 172.67.193.184`
AAAA	2	`2606:4700:3037::6815:c42, 2606:4700:3031::ac43:c1b8`
NS	2	`ingrid.ns.cloudflare.com, kevin.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 38), route2.mx.cloudflare.net (pri: 48)...`
TXT	3	`66c1ed26d3077f1923f6b707979fa629, google-site-verification=kjIZjf4qcuzinWd...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ingrid.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

grstudy1.com points to the four IP addresses 104.21.12.66, 172.67.193.184, 2606:4700:3031::ac43:c1b8 and 2606:4700:3037::6815:c42.

byicc.com, ouback.com, mail.perfecto-cms.com and two other host names share IP numbers with grstudy1.com.

Name Servers

grstudy1.com is served by two delegated name servers, ingrid.ns.cloudflare.com and kevin.ns.cloudflare.com.

grstudy1.com uses the same name servers as several other domains — among them workpivot.online, asianbrides.org, phimbathu.net and two more.

The name servers of grstudy1.com overlap at least partially with those of other domains — among them lasikpeoria.com, hldex.pro, blazeapp.ru and two more.

The name servers noel.ns.cloudflare.com, aiden.ns.cloudflare.com and nile.ns.cloudflare.com are commonly seen alongside these name servers.

Hostnames that resolve to 6 IP addresses:

ingrid.ns.cloudflare.com carries IP addresses 108.162.192.165, 172.64.32.165 and 173.245.58.165, with 3 other addresses beyond those.

kevin.ns.cloudflare.com carries IP addresses 108.162.193.191, 172.64.33.191 and 173.245.59.191, with 3 other addresses beyond those.

Mail Servers

Mail for grstudy1.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

grstudy1.com has at least partial mail server overlap with other domains such as tbjarvis.com, pragmatico.it, ecotextilecrafts.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.