`studyconnectcenter.sbs`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:5a1^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:859d^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.161^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.157^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`heidi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`heidi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`heidi.ns.cloudflare.com`
		A	108.162.194.236^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	162.159.38.236^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	172.64.34.236^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
NS	`mario.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mario.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mario.ns.cloudflare.com`
		A	108.162.193.203^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	172.64.33.203^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	173.245.59.203^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.161, 172.67.133.157
		IPv6 hints	2606:4700:3032::6815:5a1, 2606:4700:3034::ac43:859d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOA	`heidi.ns.cloudflare.com`dns@cloudflare.com serial=2403454410

`sbs`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.nic.sbs`
	NS	`b.nic.sbs`
	NS	`c.nic.sbs`
	NS	`d.nic.sbs`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1778814987

⚠️ On DNS blocklist: tif

Same first word

studyconnectcenter.sbs

DNS History

8 records (6 active, 2 former)

●NSheidi.ns.cloudflare.com2026-04-02 → 2026-05-15 · 2 obs

● 2026-04-02 13:45:40
● 2026-05-15 03:50:18

●NSmario.ns.cloudflare.com2026-04-02 → 2026-05-15 · 2 obs

● 2026-04-02 13:45:40
● 2026-05-15 03:50:18

●A104.21.5.1612026-04-02 → 2026-05-15 · 4 obs

● 2026-04-02 13:45:40
○ 2026-04-26 07:43:44
● 2026-04-30 11:39:58
● 2026-05-15 03:50:18

●A172.67.133.1572026-04-02 → 2026-05-15 · 4 obs

● 2026-04-02 13:45:40
○ 2026-04-26 07:43:44
● 2026-04-30 11:39:58
● 2026-05-15 03:50:18

○A188.114.96.02026-04-26 → 2026-04-26 · 4 obs

○ 2026-04-02 13:45:40
● 2026-04-26 07:43:44
○ 2026-04-30 11:39:58
○ 2026-05-15 03:50:18

○A188.114.97.02026-04-26 → 2026-04-26 · 4 obs

○ 2026-04-02 13:45:40
● 2026-04-26 07:43:44
○ 2026-04-30 11:39:58
○ 2026-05-15 03:50:18

●A2606:4700:3032::6815:5a12026-04-02 → 2026-05-15 · 2 obs

● 2026-04-02 13:45:40
● 2026-05-15 03:50:18

●A2606:4700:3034::ac43:859d2026-04-02 → 2026-05-15 · 2 obs

● 2026-04-02 13:45:40
● 2026-05-15 03:50:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sbs	a.nic.sbs, b.nic.sbs, c.nic.sbs, d.nic.sbs	8 records
studyconnectcenter.sbs	heidi.ns.cloudflare.com, mario.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.236

NS records: heidi.ns.cloudflare.com, mario.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyconnectcenter.sbs (unsigned zone)

⏱️ Timing

Total: 621ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.5.161, 172.67.133.157`
AAAA	2	`2606:4700:3032::6815:5a1, 2606:4700:3034::ac43:859d`
NS	2	`heidi.ns.cloudflare.com, mario.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`heidi.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.sbs, b.nic.sbs, c.nic.sbs...)

Analysis

IP Addresses

Four IP numbers are pointed to by studyconnectcenter.sbs: 2606:4700:3032::6815:5a1, 2606:4700:3034::ac43:859d, 104.21.5.161 and 172.67.133.157.

other host names including transtaboo.com, luckyblock-casino-it.com, www.gay(0x706f726e)policeuniform.xyz, www.crossfitinvictus.com and syntaxa89r.live share IP numbers with studyconnectcenter.sbs.

Name Servers

studyconnectcenter.sbs is delegated to two name servers heidi.ns.cloudflare.com and mario.ns.cloudflare.com.

studyconnectcenter.sbs shares the same name server setup as other domains, for instance mindadvancezone.sbs, thenerd.de, brainprogresszone.sbs, skillenocourses.com and breltolabs.com.

studyconnectcenter.sbs at least partially shares name servers with other domains, for instance rwc77.com, prindustry.nl, adjara-gudju4.cfd, ijapronline.org and optimumtaxes.com.

these name servers are commonly used alongside elaine.ns.cloudflare.com.

Host names with six IP numbers:

Host name heidi.ns.cloudflare.com points to: 2606:4700:50::a29f:26ec, 2803:f800:50::6ca2:c2ec, 2a06:98c1:50::ac40:22ec, 108.162.194.236, 162.159.38.236 and 172.64.34.236.

Host name mario.ns.cloudflare.com points to: 2606:4700:58::adf5:3bcb, 2803:f800:50::6ca2:c1cb, 2a06:98c1:50::ac40:21cb, 108.162.193.203, 172.64.33.203 and 173.245.59.203.

studyconnectcenter.sbs - robtex.com