`grc2000.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:babc^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:2be4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.228^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.188^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jason.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jason.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jason.ns.cloudflare.com`
		A	108.162.193.179^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	172.64.33.179^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	173.245.59.179^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
NS	`opal.ns.cloudflare.com`
		A	2606:4700:50::a29f:2664^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c264^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`opal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2264^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`opal.ns.cloudflare.com`
		A	108.162.194.100^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	162.159.38.100^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	172.64.34.100^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
MX	`grc2000-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
TXT	`MS=ms56141450`
TXT	`ca3-29a3e0fe14f8442691f4e2a2170310b2`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.43.228, 172.67.186.188
		IPv6	2606:4700:3032::ac43:babc, 2606:4700:3036::6815:2be4
SOA	`jason.ns.cloudflare.com`dns@cloudflare.com serial=2397450056

`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=1774839912

Subdomains

mail.grc2000.com

Same first word

grc2000.com

DNS History

16 records (7 active, 9 former)

●NSjason.ns.cloudflare.com2026-03-27 → 2026-03-30 · 3 obs

○ 2017-07-30 08:39:38
● 2026-03-27 22:35:40
● 2026-03-30 03:17:26

○NSns1.qnethosting.com2015-08-04 → 2015-10-28 · 4 obs

● 2015-08-04 09:39:42
● 2015-10-28 02:43:28
○ 2016-02-04 20:32:16
○ 2026-03-30 03:17:26

○NSns2.qnethosting.com2015-08-04 → 2015-10-28 · 4 obs

● 2015-08-04 09:39:42
● 2015-10-28 02:43:28
○ 2016-02-04 20:32:16
○ 2026-03-30 03:17:26

○NSns51.worldnic.com2016-02-04 → 2017-07-30 · 5 obs

○ 2015-10-28 02:43:28
● 2016-02-04 20:32:16
● 2017-07-30 08:39:38
○ 2026-03-27 22:35:40
○ 2026-03-30 03:17:26

○NSns52.worldnic.com2016-02-04 → 2017-07-30 · 5 obs

○ 2015-10-28 02:43:28
● 2016-02-04 20:32:16
● 2017-07-30 08:39:38
○ 2026-03-27 22:35:40
○ 2026-03-30 03:17:26

●NSopal.ns.cloudflare.com2026-03-27 → 2026-03-30 · 3 obs

○ 2017-07-30 08:39:38
● 2026-03-27 22:35:40
● 2026-03-30 03:17:26

●MXgrc2000-com.mail.protection.outlook.com2026-03-27 → 2026-03-30 · 3 obs

○ 2017-07-30 08:39:38
● 2026-03-27 22:35:40
● 2026-03-30 03:17:26

○MXmail.grc2000.com2015-08-04 → 2015-10-28 · 4 obs

● 2015-08-04 09:39:42
● 2015-10-28 02:43:28
○ 2016-02-04 20:32:16
○ 2026-03-30 03:17:26

○MXmailstore1.secureserver.net2016-02-04 → 2017-07-30 · 5 obs

○ 2015-10-28 02:43:28
● 2016-02-04 20:32:16
● 2017-07-30 08:39:38
○ 2026-03-27 22:35:40
○ 2026-03-30 03:17:26

○MXsmtp.secureserver.net2016-02-04 → 2017-07-30 · 5 obs

○ 2015-10-28 02:43:28
● 2016-02-04 20:32:16
● 2017-07-30 08:39:38
○ 2026-03-27 22:35:40
○ 2026-03-30 03:17:26

●A104.21.43.2282026-03-27 → 2026-03-30 · 3 obs

○ 2017-07-30 08:39:38
● 2026-03-27 22:35:40
● 2026-03-30 03:17:26

●A172.67.186.1882026-03-27 → 2026-03-30 · 3 obs

○ 2017-07-30 08:39:38
● 2026-03-27 22:35:40
● 2026-03-30 03:17:26

○A195.226.228.42015-08-04 → 2015-10-28 · 4 obs

● 2015-08-04 09:39:42
● 2015-10-28 02:43:28
○ 2016-02-04 20:32:16
○ 2026-03-30 03:17:26

○A208.91.197.272016-02-04 → 2017-07-30 · 5 obs

○ 2015-10-28 02:43:28
● 2016-02-04 20:32:16
● 2017-07-30 08:39:38
○ 2026-03-27 22:35:40
○ 2026-03-30 03:17:26

●A2606:4700:3032::ac43:babc2026-03-27 → 2026-03-30 · 3 obs

○ 2017-07-30 08:39:38
● 2026-03-27 22:35:40
● 2026-03-30 03:17:26

●A2606:4700:3036::6815:2be42026-03-27 → 2026-03-30 · 3 obs

○ 2017-07-30 08:39:38
● 2026-03-27 22:35:40
● 2026-03-30 03:17:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
grc2000.com	jason.ns.cloudflare.com, opal.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.179

NS records: jason.ns.cloudflare.com, opal.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grc2000.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.43.228, 172.67.186.188`
AAAA	2	`2606:4700:3032::ac43:babc, 2606:4700:3036::6815:2be4`
NS	2	`jason.ns.cloudflare.com, opal.ns.cloudflare.com`
MX	1	`grc2000-com.mail.protection.outlook.com`
TXT	3	`MS=ms56141450, ca3-29a3e0fe14f8442691f4e2a2170310b2...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jason.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

grc2000.com is a parent of mail.grc2000.com.

IP Addresses

grc2000.com points to four IP numbers: 2606:4700:3032::ac43:babc, 2606:4700:3036::6815:2be4, 104.21.43.228 and 172.67.186.188.

Other host names, for instance xxhz.com.cn, game.org, daomuda.com, aanpcp.info and nullmx.m.game.org share IP numbers with grc2000.com.

Name Servers

Delegation for grc2000.com rests with two name servers, jason.ns.cloudflare.com and opal.ns.cloudflare.com.

The name server setup used by grc2000.com is shared with other domains such as tinydart.com and iogames.vip and 8v.pub.

grc2000.com at least partially shares name servers with other domains, for instance mmhq.shop, qatar-insulation.com, flowcasting.com, billieuxdesign.com and sodojoveoncapital8.digital.

these name servers are commonly used with magdalena.ns.cloudflare.com, oswald.ns.cloudflare.com and olof.ns.cloudflare.com.

Host names with six IP numbers: jason.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb3, 2803:f800:50::6ca2:c1b3, 2a06:98c1:50::ac40:21b3, 108.162.193.179, 172.64.33.179 and 173.245.59.179. opal.ns.cloudflare.com points to: 2606:4700:50::a29f:2664, 2803:f800:50::6ca2:c264, 2a06:98c1:50::ac40:2264, 108.162.194.100, 162.159.38.100 and 172.64.34.100.

Mail Servers

grc2000.com is handled by a single mail server, grc2000-com.mail.protection.outlook.com.

grc2000-com.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::6, 2a01:111:f403:ca09::9, 52.101.68.3, 52.101.68.21, 52.101.68.29 and 52.101.73.2.

grc2000.com - robtex.com

grc2000.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`grc2000.com`

`com`