grsysb.com - dns.ninja

grsysb.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:96ca🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:5b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.0.91Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.202🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgrannbo.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2696🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrannbo.ns.cloudflare.com
A2803:f800:50::6ca2:c296🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgrannbo.ns.cloudflare.com
A2a06:98c1:50::ac40:2296🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgrannbo.ns.cloudflare.com
A108.162.194.150🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrannbo.ns.cloudflare.com
A162.159.38.150Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrannbo.ns.cloudflare.com
A172.64.34.150🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrannbo.ns.cloudflare.com
NSisaac.ns.cloudflare.com
A2606:4700:58::adf5:3bb1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisaac.ns.cloudflare.com
A2803:f800:50::6ca2:c1b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRisaac.ns.cloudflare.com
A2a06:98c1:50::ac40:21b1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRisaac.ns.cloudflare.com
A108.162.193.177🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisaac.ns.cloudflare.com
A172.64.33.177🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisaac.ns.cloudflare.com
A173.245.59.177🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisaac.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.0.91, 172.67.150.202
IPv6 hints2606:4700:3030::ac43:96ca, 2606:4700:3031::6815:5b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com
SOAgrannbo.ns.cloudflare.comdns@cloudflare.com serial=2409770465

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785763942

Same first word

grsysb.com

Similar names

bgrsys.com
rbgsys.com
sygrsb.com

DNS History

19 records (6 active, 13 former)

20162017201820192020202120222023202420252026NSgrannbo.ns.cloudflare.comisaac.ns.cloudflare.comdns31.hichina.comdns32.hichina.comexpire1.gname-dns.comexpire2.gname-dns.comjuming.dnsdun.comjuming.dnsdun.netns1.sgaddress.netns2.sgaddress.netMXmxbiz1.qq.commxbiz2.qq.comA104.21.0.91172.67.150.2022606:4700:3030::ac43:96ca2606:4700:3031::6815:5b23.110.59.4361.191.50.110CNAMEexp.gs-cdn.com
○NSdns31.hichina.com2015-05-30 → 2016-09-17 · 4 obs
● 2015-05-30 08:42:18
● 2016-09-17 17:11:20
○ 2019-01-11 04:40:28
○ 2026-08-03 13:34:46
○NSdns32.hichina.com2015-05-30 → 2016-09-17 · 4 obs
● 2015-05-30 08:42:18
● 2016-09-17 17:11:20
○ 2019-01-11 04:40:28
○ 2026-08-03 13:34:46
○NSexpire1.gname-dns.com2026-03-28 → 2026-08-03 · 2 obs
○ 2026-03-28 08:06:36
○ 2026-08-03 13:34:46
○NSexpire2.gname-dns.com2026-03-28 → 2026-08-03 · 2 obs
○ 2026-03-28 08:06:36
○ 2026-08-03 13:34:46
●NSgrannbo.ns.cloudflare.com2026-06-22 → 2026-08-03 · 3 obs
○ 2026-03-30 15:42:38
● 2026-06-22 05:33:28
● 2026-08-03 13:34:46
●NSisaac.ns.cloudflare.com2026-06-22 → 2026-08-03 · 3 obs
○ 2026-03-30 15:42:38
● 2026-06-22 05:33:28
● 2026-08-03 13:34:46
○NSjuming.dnsdun.com2019-01-11 → 2019-01-11 · 4 obs
○ 2016-09-17 17:11:20
● 2019-01-11 04:40:28
○ 2026-03-28 08:06:36
○ 2026-08-03 13:34:46
○NSjuming.dnsdun.net2019-01-11 → 2019-01-11 · 4 obs
○ 2016-09-17 17:11:20
● 2019-01-11 04:40:28
○ 2026-03-28 08:06:36
○ 2026-08-03 13:34:46
○NSns1.sgaddress.net2026-03-28 → 2026-03-30 · 5 obs
○ 2019-01-11 04:40:28
● 2026-03-28 08:06:36
● 2026-03-30 15:42:38
○ 2026-06-22 05:33:28
○ 2026-08-03 13:34:46
○NSns2.sgaddress.net2026-03-28 → 2026-03-30 · 5 obs
○ 2019-01-11 04:40:28
● 2026-03-28 08:06:36
● 2026-03-30 15:42:38
○ 2026-06-22 05:33:28
○ 2026-08-03 13:34:46
○MXmxbiz1.qq.com2015-05-30 → 2016-09-17 · 4 obs
● 2015-05-30 08:42:18
● 2016-09-17 17:11:20
○ 2019-01-11 04:40:28
○ 2026-08-03 13:34:46
○MXmxbiz2.qq.com2015-05-30 → 2016-09-17 · 4 obs
● 2015-05-30 08:42:18
● 2016-09-17 17:11:20
○ 2019-01-11 04:40:28
○ 2026-08-03 13:34:46
●A104.21.0.912026-06-22 → 2026-08-03 · 3 obs
○ 2026-03-28 08:06:36
● 2026-06-22 05:33:28
● 2026-08-03 13:34:46
●A172.67.150.2022026-06-22 → 2026-08-03 · 3 obs
○ 2026-03-28 08:06:36
● 2026-06-22 05:33:28
● 2026-08-03 13:34:46
○A23.110.59.432019-01-11 → 2019-01-11 · 4 obs
○ 2016-09-17 17:11:20
● 2019-01-11 04:40:28
○ 2026-03-28 08:06:36
○ 2026-08-03 13:34:46
●A2606:4700:3030::ac43:96ca2026-06-22 → 2026-08-03 · 3 obs
○ 2026-03-28 08:06:36
● 2026-06-22 05:33:28
● 2026-08-03 13:34:46
●A2606:4700:3031::6815:5b2026-06-22 → 2026-08-03 · 3 obs
○ 2026-03-28 08:06:36
● 2026-06-22 05:33:28
● 2026-08-03 13:34:46
○A61.191.50.1102015-05-30 → 2016-09-17 · 4 obs
● 2015-05-30 08:42:18
● 2016-09-17 17:11:20
○ 2019-01-11 04:40:28
○ 2026-08-03 13:34:46
○CNAMEexp.gs-cdn.com2026-03-28 → 2026-08-03 · 2 obs
○ 2026-03-28 08:06:36
○ 2026-08-03 13:34:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
grsysb.comisaac.ns.cloudflare.com, grannbo.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.177

NS records: isaac.ns.cloudflare.com, grannbo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grsysb.com (unsigned zone)

⏱️ Timing

Total: 1113ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.0.91, 172.67.150.202
AAAA22606:4700:3030::ac43:96ca, 2606:4700:3031::6815:5b
NS2grannbo.ns.cloudflare.com, isaac.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1grannbo.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

grsysb.com directs to four IP numbers, which are 104.21.0.91, 172.67.150.202, 2606:4700:3030::ac43:96ca and 2606:4700:3031::6815:5b.

Among the host names that share IP numbers with grsysb.com are www.nursesfornurses.com.au, andrewpetersonjewellery.com, dlhtakalar.org and two others.

Name Servers

grsysb.com has two authoritative name servers — grannbo.ns.cloudflare.com and isaac.ns.cloudflare.com.

grsysb.com has the same name server delegation as a number of other domains, such as wisdommom.com, v2alia8.com, sdok.no and two more.

The name servers of grsysb.com overlap at least partially with those of other domains — among them ayuntamientovirtualpr.com.mx, ikhlc0q1nzg8.today, 7-baxterbet28.com and two more.

These name servers commonly appear alongside the name servers dexter.ns.cloudflare.com and norm.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

grannbo.ns.cloudflare.com points to 108.162.194.150, 162.159.38.150, 172.64.34.150 and 3 other IP addresses.

isaac.ns.cloudflare.com points to 108.162.193.177, 172.64.33.177, 173.245.59.177 and 3 other IP addresses.