grc1.com.br - robtex.com

grc1.com.br

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:aac0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:374e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.78Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.192🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjustin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A2803:f800:50::6ca2:c1bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjustin.ns.cloudflare.com
A2a06:98c1:50::ac40:21bb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjustin.ns.cloudflare.com
A108.162.193.187🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A172.64.33.187🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A173.245.59.187🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
NSrosalie.ns.cloudflare.com
A2606:4700:50::a29f:2639🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosalie.ns.cloudflare.com
A2803:f800:50::6ca2:c239🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrosalie.ns.cloudflare.com
A2a06:98c1:50::ac40:2239🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrosalie.ns.cloudflare.com
A108.162.194.57🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosalie.ns.cloudflare.com
A162.159.38.57Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosalie.ns.cloudflare.com
A172.64.34.57🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosalie.ns.cloudflare.com
MXgrc1-com-br.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj2pr05cu00300.inbound.protection.outlook.com
A2a01:111:f403:c91d::a🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-co1pr21cu00202.inbound.protection.outlook.com
A2a01:111:f403:f901::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mn2pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f909::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn6pr04cu00200.inbound.protection.outlook.com
A52.101.9.26🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr02cu00702.inbound.protection.outlook.com
A52.101.40.2🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy1pr05cu00402.inbound.protection.outlook.com
A52.101.194.0🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch5pr02cu00200.inbound.protection.outlook.com
A52.101.194.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch0pr04cu00504.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com include:spf.zoho.com include:trans...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.78, 172.67.170.192
IPv6 hints2606:4700:3031::ac43:aac0, 2606:4700:3035::6815:374e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com
SOAjustin.ns.cloudflare.comdns@cloudflare.com serial=2400526512

com.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br 2026-10-20 #26
rank #536177 globally
rank #3972 in the tld
WOT: SAFE (69/100)

Previously MX for

grc1.com.br

Same first word

grc1.com.br

Similar names

1grc.ru
rcg1.com
gcr1.com
gcr1.ru
rgc1.dedyn.io

DNS History

23 records (7 active, 16 former)

20162017201820192020202120222023202420252026NSjustin.ns.cloudflare.comrosalie.ns.cloudflare.comanycast01.scalabledns.comns1.bdm.microsoftonline.comns1.grc1.com.brns1.secureserver.netns2.bdm.microsoftonline.comns2.grc1.com.brns2.secureserver.netns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comMXgrc1-com-br.mail.protection.outlook.comgrc1.com.brA104.21.55.78172.67.170.1922606:4700:3031::ac43:aac02606:4700:3035::6815:374e108.179.252.183166.62.46.28191.252.103.200198.56.144.101199.231.211.165CNAMEwww.grc1.com.br
○NSanycast01.scalabledns.com2016-03-11 → 2016-07-05 · 5 obs
○ 2015-12-03 10:41:34
● 2016-03-11 01:08:42
● 2016-07-05 07:07:42
○ 2017-03-31 14:27:16
○ 2026-04-12 01:21:22
●NSjustin.ns.cloudflare.com2026-02-18 → 2026-04-12 · 3 obs
○ 2020-03-03 11:18:38
● 2026-02-18 20:45:16
● 2026-04-12 01:21:22
○NSns1.bdm.microsoftonline.com2020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-31 14:27:16
● 2020-03-03 11:18:38
○ 2026-02-18 20:45:16
○ 2026-04-12 01:21:22
○NSns1.grc1.com.br2017-03-31 → 2017-03-31 · 4 obs
○ 2016-07-05 07:07:42
● 2017-03-31 14:27:16
○ 2020-03-03 11:18:38
○ 2026-04-12 01:21:22
○NSns1.secureserver.net2015-08-09 → 2015-12-03 · 4 obs
● 2015-08-09 07:40:48
● 2015-12-03 10:41:34
○ 2016-03-11 01:08:42
○ 2026-04-12 01:21:22
○NSns2.bdm.microsoftonline.com2020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-31 14:27:16
● 2020-03-03 11:18:38
○ 2026-02-18 20:45:16
○ 2026-04-12 01:21:22
○NSns2.grc1.com.br2017-03-31 → 2017-03-31 · 4 obs
○ 2016-07-05 07:07:42
● 2017-03-31 14:27:16
○ 2020-03-03 11:18:38
○ 2026-04-12 01:21:22
○NSns2.secureserver.net2015-08-09 → 2015-12-03 · 4 obs
● 2015-08-09 07:40:48
● 2015-12-03 10:41:34
○ 2016-03-11 01:08:42
○ 2026-04-12 01:21:22
○NSns3.bdm.microsoftonline.com2020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-31 14:27:16
● 2020-03-03 11:18:38
○ 2026-02-18 20:45:16
○ 2026-04-12 01:21:22
○NSns4.bdm.microsoftonline.com2020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-31 14:27:16
● 2020-03-03 11:18:38
○ 2026-02-18 20:45:16
○ 2026-04-12 01:21:22
●NSrosalie.ns.cloudflare.com2026-02-18 → 2026-04-12 · 3 obs
○ 2020-03-03 11:18:38
● 2026-02-18 20:45:16
● 2026-04-12 01:21:22
●MXgrc1-com-br.mail.protection.outlook.com2020-03-03 → 2026-04-12 · 3 obs
○ 2017-03-31 14:27:16
● 2020-03-03 11:18:38
● 2026-04-12 01:21:22
○MXgrc1.com.br2015-08-09 → 2017-03-31 · 7 obs
● 2015-08-09 07:40:48
● 2015-12-03 10:41:34
○ 2016-03-11 01:08:42
○ 2016-07-05 07:07:42
● 2017-03-31 14:27:16
○ 2020-03-03 11:18:38
○ 2026-04-12 01:21:22
●A104.21.55.782026-02-18 → 2026-04-12 · 3 obs
○ 2020-03-03 11:18:38
● 2026-02-18 20:45:16
● 2026-04-12 01:21:22
○A108.179.252.1832020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-31 14:27:16
● 2020-03-03 11:18:38
○ 2026-02-18 20:45:16
○ 2026-04-12 01:21:22
○A166.62.46.282015-08-09 → 2015-12-03 · 4 obs
● 2015-08-09 07:40:48
● 2015-12-03 10:41:34
○ 2016-03-11 01:08:42
○ 2026-04-12 01:21:22
●A172.67.170.1922026-02-18 → 2026-04-12 · 3 obs
○ 2020-03-03 11:18:38
● 2026-02-18 20:45:16
● 2026-04-12 01:21:22
○A191.252.103.2002017-03-31 → 2017-03-31 · 4 obs
○ 2016-07-05 07:07:42
● 2017-03-31 14:27:16
○ 2020-03-03 11:18:38
○ 2026-04-12 01:21:22
○A198.56.144.1012016-03-11 → 2016-03-11 · 4 obs
○ 2015-12-03 10:41:34
● 2016-03-11 01:08:42
○ 2016-07-05 07:07:42
○ 2026-04-12 01:21:22
○A199.231.211.1652016-07-05 → 2016-07-05 · 4 obs
○ 2016-03-11 01:08:42
● 2016-07-05 07:07:42
○ 2017-03-31 14:27:16
○ 2026-04-12 01:21:22
●A2606:4700:3031::ac43:aac02026-02-18 → 2026-04-12 · 3 obs
○ 2020-03-03 11:18:38
● 2026-02-18 20:45:16
● 2026-04-12 01:21:22
●A2606:4700:3035::6815:374e2026-02-18 → 2026-04-12 · 3 obs
○ 2020-03-03 11:18:38
● 2026-02-18 20:45:16
● 2026-04-12 01:21:22
○CNAMEwww.grc1.com.br2016-07-05 → 2016-07-05 · 3 obs
● 2016-07-05 07:07:42
○ 2017-03-31 14:27:16
○ 2026-04-12 01:21:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
grc1.com.brrosalie.ns.cloudflare.com, justin.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.187

NS records: rosalie.ns.cloudflare.com, justin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grc1.com.br (unsigned zone)

⏱️ Timing

Total: 688ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.55.78, 172.67.170.192
AAAA22606:4700:3031::ac43:aac0, 2606:4700:3035::6815:374e
NS2justin.ns.cloudflare.com, rosalie.ns.cloudflare.com
MX1grc1-com-br.mail.protection.outlook.com
TXT1v=spf1 include:spf.protection.outlook.co
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1justin.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

grc1.com.br points to four IP numbers: 2606:4700:3031::ac43:aac0, 2606:4700:3035::6815:374e, 104.21.55.78 and 172.67.170.192.

Other host names, for instance websierra.com, kayfabenews.com, yunggg.com, ifsi-ifas.com and pharmacie-preiss.com share IP numbers with grc1.com.br.

Name Servers

Delegation for grc1.com.br rests with two name servers, justin.ns.cloudflare.com and rosalie.ns.cloudflare.com.

grc1.com.br shares the same name server setup as other domains, including thegame.biz, avesta.com.tr, anthonyguthrie.com, nimboyazilim.com and carbonitemail.com.

grc1.com.br at least partially shares name servers with other domains, for instance brandrenew.co.za, talha.com, loveai.info, corsolegalgroup.com and idihalmaheratimurkab.org.

These name servers are commonly used with the name servers sam.ns.cloudflare.com.

Host names with six IP numbers: justin.ns.cloudflare.com points to: 2606:4700:58::adf5:3bbb, 2803:f800:50::6ca2:c1bb, 2a06:98c1:50::ac40:21bb, 108.162.193.187, 172.64.33.187 and 173.245.59.187. rosalie.ns.cloudflare.com points to: 2606:4700:50::a29f:2639, 2803:f800:50::6ca2:c239, 2a06:98c1:50::ac40:2239, 108.162.194.57, 162.159.38.57 and 172.64.34.57.

Mail Servers

grc1.com.br is handled by a single mail server, grc1-com-br.mail.protection.outlook.com.

grc1-com-br.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:c902::, 2a01:111:f403:c91d::a, 2a01:111:f403:f901::, 2a01:111:f403:f909::, 52.101.9.26, 52.101.40.2, 52.101.194.0 and 52.101.194.12.