`sbgstudy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:b506^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:53c4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.196^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.6^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c078^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2078^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivy.ns.cloudflare.com`
		A	108.162.192.120^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	172.64.32.120^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	173.245.58.120^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
NS	`julian.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`julian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`julian.ns.cloudflare.com`
		A	108.162.195.94^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	162.159.44.94^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	172.64.35.94^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.196, 172.67.181.6
		IPv6 hints	2606:4700:3035::ac43:b506, 2606:4700:3036::6815:53c4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com
SOA	`ivy.ns.cloudflare.com`dns@cloudflare.com serial=2410129312

`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=1785936594

Same first word

sbgstudy.com

DNS History

15 records (6 active, 9 former)

●NSivy.ns.cloudflare.com2026-05-11 → 2026-08-05 · 3 obs

○ 2019-12-15 08:16:34
● 2026-05-11 23:18:50
● 2026-08-05 13:57:00

●NSjulian.ns.cloudflare.com2026-05-11 → 2026-08-05 · 3 obs

○ 2019-12-15 08:16:34
● 2026-05-11 23:18:50
● 2026-08-05 13:57:00

○NSns55.domaincontrol.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 08:16:34
○ 2026-05-11 23:18:50
○ 2026-08-05 13:57:00

○NSns56.domaincontrol.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 08:16:34
○ 2026-05-11 23:18:50
○ 2026-08-05 13:57:00

●A104.21.83.1962026-05-11 → 2026-08-05 · 5 obs

○ 2019-12-15 08:16:34
● 2026-05-11 23:18:50
○ 2026-06-22 05:06:52
● 2026-07-21 10:42:08
● 2026-08-05 13:57:00

○A166.62.27.1882019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 08:16:34
○ 2026-05-11 23:18:50
○ 2026-08-05 13:57:00

●A172.67.181.62026-05-11 → 2026-08-05 · 5 obs

○ 2019-12-15 08:16:34
● 2026-05-11 23:18:50
○ 2026-06-22 05:06:52
● 2026-07-21 10:42:08
● 2026-08-05 13:57:00

○A188.114.96.02026-06-22 → 2026-06-22 · 4 obs

○ 2026-05-11 23:18:50
● 2026-06-22 05:06:52
○ 2026-07-21 10:42:08
○ 2026-08-05 13:57:00

○A188.114.97.02026-06-22 → 2026-06-22 · 4 obs

○ 2026-05-11 23:18:50
● 2026-06-22 05:06:52
○ 2026-07-21 10:42:08
○ 2026-08-05 13:57:00

○A2606:4700:3034::ac43:b5062026-05-11 → 2026-05-11 · 4 obs

○ 2019-12-15 08:16:34
● 2026-05-11 23:18:50
○ 2026-06-22 05:06:52
○ 2026-08-05 13:57:00

○A2606:4700:3035::6815:53c42026-05-11 → 2026-05-11 · 4 obs

○ 2019-12-15 08:16:34
● 2026-05-11 23:18:50
○ 2026-06-22 05:06:52
○ 2026-08-05 13:57:00

●A2606:4700:3035::ac43:b5062026-07-21 → 2026-08-05 · 3 obs

○ 2026-06-22 05:06:52
● 2026-07-21 10:42:08
● 2026-08-05 13:57:00

●A2606:4700:3036::6815:53c42026-07-21 → 2026-08-05 · 3 obs

○ 2026-06-22 05:06:52
● 2026-07-21 10:42:08
● 2026-08-05 13:57:00

○A2a06:98c1:3120::2026-06-22 → 2026-06-22 · 4 obs

○ 2026-05-11 23:18:50
● 2026-06-22 05:06:52
○ 2026-07-21 10:42:08
○ 2026-08-05 13:57:00

○A2a06:98c1:3121::2026-06-22 → 2026-06-22 · 4 obs

○ 2026-05-11 23:18:50
● 2026-06-22 05:06:52
○ 2026-07-21 10:42:08
○ 2026-08-05 13:57:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
sbgstudy.com	ivy.ns.cloudflare.com, julian.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.94

NS records: ivy.ns.cloudflare.com, julian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sbgstudy.com (unsigned zone)

⏱️ Timing

Total: 213ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.83.196, 172.67.181.6`
AAAA	2	`2606:4700:3036::6815:53c4, 2606:4700:3035::ac43:b506`
NS	2	`ivy.ns.cloudflare.com, julian.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ivy.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sbgstudy.com points to the four IP addresses 104.21.83.196, 172.67.181.6, 2606:4700:3035::ac43:b506 and 2606:4700:3036::6815:53c4.

o2oi.com, bigbrushart.com, www.oilandgascareerinfo.ca and two other host names share IP numbers with sbgstudy.com.

Name Servers

sbgstudy.com has two authoritative name servers — ivy.ns.cloudflare.com and julian.ns.cloudflare.com.

sbgstudy.com uses the same name servers as several other domains — among them k-mk.com, cosp-layer.com, ozgec.com and two more.

At least some of sbgstudy.com's name servers are shared with other domains, for example eaststarmodels.com, coinvoter.com, manodechef.cl and two more.

These name servers tend to be used in conjunction with the name servers langston.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ivy.ns.cloudflare.com points to 108.162.192.120, 172.64.32.120, 173.245.58.120 and 3 other IP addresses.

julian.ns.cloudflare.com points to 108.162.195.94, 162.159.44.94, 172.64.35.94 and 3 other IP addresses.

sbgstudy.com - robtex.com

sbgstudy.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`sbgstudy.com`

`com`