execfocusinstitute.sbs - robtex.com
execfocusinstitute.sbs
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:c2d6🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:2489🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.36.137Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.194.214🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | leonard.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c36🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c336🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2336🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 108.162.195.54🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 162.159.44.54Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 172.64.35.54🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| NS | virginia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2625🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | virginia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c225🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | virginia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2225🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | virginia.ns.cloudflare.com | ||||||
| A | 108.162.194.37🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | virginia.ns.cloudflare.com | ||||||
| A | 162.159.38.37Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | virginia.ns.cloudflare.com | ||||||
| A | 172.64.34.37🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | virginia.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.36.137, 172.67.194.214 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:c2d6, 2606:4700:3037::6815:2489 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com | ||||||
| SOA | leonard.ns.cloudflare.comdns@cloudflare.com serial=2410365476 | ||||||
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.nethostmaster@centralnic.net serial=1785935781 | ||||||
⚠️ On DNS blocklist: spam-tlds
Same first word
execfocusinstitute.sbs |
DNS History
6 records (6 active, 0 former)
●NSleonard.ns.cloudflare.com2026-07-28 → 2026-08-05 · 2 obs
● 2026-08-05 14:19:50
●NSvirginia.ns.cloudflare.com2026-07-28 → 2026-08-05 · 2 obs
● 2026-08-05 14:19:50
●A104.21.36.1372026-07-28 → 2026-08-05 · 2 obs
● 2026-08-05 14:19:50
●A172.67.194.2142026-07-28 → 2026-08-05 · 2 obs
● 2026-08-05 14:19:50
●A2606:4700:3031::ac43:c2d62026-07-28 → 2026-08-05 · 2 obs
● 2026-08-05 14:19:50
●A2606:4700:3037::6815:24892026-07-28 → 2026-08-05 · 2 obs
● 2026-08-05 14:19:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sbs | a.nic.sbs, b.nic.sbs, c.nic.sbs, d.nic.sbs | 8 records |
| execfocusinstitute.sbs | virginia.ns.cloudflare.com, leonard.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.37
NS records: virginia.ns.cloudflare.com, leonard.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for execfocusinstitute.sbs (unsigned zone)
⏱️ Timing
Total: 348ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.194.214, 104.21.36.137 |
| AAAA | 2 | 2606:4700:3031::ac43:c2d6, 2606:4700:3037::6815:2489 |
| NS | 2 | leonard.ns.cloudflare.com, virginia.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | leonard.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.sbs, b.nic.sbs, c.nic.sbs...)
Analysis
IP Addresses
execfocusinstitute.sbs has four IP addresses: 104.21.36.137, 172.67.194.214, 2606:4700:3031::ac43:c2d6 and 2606:4700:3037::6815:2489.
520xav.com, spinight.games, chinawanted.com and two other host names share IP numbers with execfocusinstitute.sbs.
Name Servers
execfocusinstitute.sbs uses two name servers for its delegation: leonard.ns.cloudflare.com and virginia.ns.cloudflare.com.
execfocusinstitute.sbs uses the same name servers as several other domains — among them teikametricsppc.com, bookcraftmaster.sbs, coursefocal.shop and two more.
execfocusinstitute.sbs partially shares its NS delegation with several other domains, including amarna-forum.net, ondainvest.shop, bb315.com and two others.
These name servers regularly co-occur with the name servers clay.ns.cloudflare.com, aaron.ns.cloudflare.com and susan.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
Hostname leonard.ns.cloudflare.com directs to 108.162.195.54, 162.159.44.54 and 172.64.35.54 along with 3 other IP addresses.
Hostname virginia.ns.cloudflare.com directs to 108.162.194.37, 162.159.38.37 and 172.64.34.37 along with 3 other IP addresses.