`execlearningvault.sbs`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:c4cc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1540^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.64^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.204^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hugh.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
NS	`nena.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nena.ns.cloudflare.com`
		A	108.162.194.161^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	162.159.38.161^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	172.64.34.161^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.64, 172.67.196.204
		IPv6 hints	2606:4700:3035::ac43:c4cc, 2606:4700:3036::6815:1540
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOA	`hugh.ns.cloudflare.com`dns@cloudflare.com serial=2409975716

`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=1785309679

⚠️ On DNS blocklist: tif

Same first word

execlearningvault.sbs

DNS History

10 records (6 active, 4 former)

●NShugh.ns.cloudflare.com2026-07-25 → 2026-07-29 · 2 obs

● 2026-07-25 14:02:52
● 2026-07-29 07:29:08

●NSnena.ns.cloudflare.com2026-07-25 → 2026-07-29 · 2 obs

● 2026-07-25 14:02:52
● 2026-07-29 07:29:08

●A104.21.21.642026-07-27 → 2026-07-29 · 3 obs

○ 2026-07-25 14:02:52
● 2026-07-27 23:34:12
● 2026-07-29 07:29:08

●A172.67.196.2042026-07-27 → 2026-07-29 · 3 obs

○ 2026-07-25 14:02:52
● 2026-07-27 23:34:12
● 2026-07-29 07:29:08

○A188.114.96.02026-07-25 → 2026-07-25 · 3 obs

● 2026-07-25 14:02:52
○ 2026-07-27 23:34:12
○ 2026-07-29 07:29:08

○A188.114.97.02026-07-25 → 2026-07-25 · 3 obs

● 2026-07-25 14:02:52
○ 2026-07-27 23:34:12
○ 2026-07-29 07:29:08

●A2606:4700:3035::ac43:c4cc2026-07-27 → 2026-07-29 · 3 obs

○ 2026-07-25 14:02:52
● 2026-07-27 23:34:12
● 2026-07-29 07:29:08

●A2606:4700:3036::6815:15402026-07-27 → 2026-07-29 · 3 obs

○ 2026-07-25 14:02:52
● 2026-07-27 23:34:12
● 2026-07-29 07:29:08

○A2a06:98c1:3120::2026-07-25 → 2026-07-25 · 3 obs

● 2026-07-25 14:02:52
○ 2026-07-27 23:34:12
○ 2026-07-29 07:29:08

○A2a06:98c1:3121::2026-07-25 → 2026-07-25 · 3 obs

● 2026-07-25 14:02:52
○ 2026-07-27 23:34:12
○ 2026-07-29 07:29:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sbs	d.nic.sbs, c.nic.sbs, a.nic.sbs, b.nic.sbs	8 records
execlearningvault.sbs	hugh.ns.cloudflare.com, nena.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.161

NS records: hugh.ns.cloudflare.com, nena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for execlearningvault.sbs (unsigned zone)

⏱️ Timing

Total: 474ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.196.204, 104.21.21.64`
AAAA	2	`2606:4700:3036::6815:1540, 2606:4700:3035::ac43:c4cc`
NS	2	`hugh.ns.cloudflare.com, nena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hugh.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

execlearningvault.sbs resolves to four IP addresses: 104.21.21.64, 172.67.196.204, 2606:4700:3035::ac43:c4cc and 2606:4700:3036::6815:1540.

Two other host names, along with rwusdhcfyd.com, 64.cholteth.com and mymacbase.com, also share IP numbers with execlearningvault.sbs.

Name Servers

execlearningvault.sbs has two authoritative name servers — hugh.ns.cloudflare.com and nena.ns.cloudflare.com.

execlearningvault.sbs shares its NS records with other domains, for example courseaware.digital, execexcellenceguide.sbs, thecoursetrek.digital and two others.

execlearningvault.sbs has at least partial name server overlap with other domains, such as usaaps.com, freshmorningquotes.com, aiguo-valve.com and two others.

It is common to see these name servers used together with name servers harlan.ns.cloudflare.com and zoe.ns.cloudflare.com.

DNS names with 6 IP addresses:

hugh.ns.cloudflare.com points to 108.162.193.117, 172.64.33.117, 173.245.59.117 and 3 other IP addresses.

nena.ns.cloudflare.com points to 108.162.194.161, 162.159.38.161, 172.64.34.161 and 3 other IP addresses.

execlearningvault.sbs - robtex.com