execmasterclasses.sbs - dns.ninja
execmasterclasses.sbs
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::6815:49caπΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:a5d1πΊπΈ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.73.202Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.165.209πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | hugh.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b75πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c175π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2175πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 108.162.193.117πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 172.64.33.117πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 173.245.59.117πΊπΈ 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:26a1πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2a1π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22a1πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 108.162.194.161πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 162.159.38.161Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 172.64.34.161πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.73.202, 172.67.165.209 | ||||||
| IPv6 hints | 2606:4700:3033::6815:49ca, 2606:4700:3034::ac43:a5d1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com | ||||||
| SOA | hugh.ns.cloudflare.comdns@cloudflare.com serial=2410267203 | ||||||
sbs
| DNSSEC | π Signed (DS record present) | ||||||
| NS | ns0.centralnic.net β | ||||||
| NS | a.nic.sbs | ||||||
| NS | b.nic.sbs | ||||||
| NS | c.nic.sbs | ||||||
| NS | d.nic.sbs | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1787714009 | ||||||
β οΈ On DNS blocklist: spam-tlds
Same first word
execmasterclasses.sbs |
Previous names
Next names
DNS History
10 records (6 active, 4 former)
βNShugh.ns.cloudflare.com2026-07-25 β 2026-08-26 Β· 2 obs
β 2026-08-26 03:32:06
βNSnena.ns.cloudflare.com2026-07-25 β 2026-08-26 Β· 2 obs
β 2026-08-26 03:32:06
βA104.21.73.2022026-07-27 β 2026-08-26 Β· 5 obs
β 2026-07-27 10:04:00
β 2026-08-20 18:07:28
β 2026-08-24 18:35:52
β 2026-08-26 03:32:06
βA172.67.165.2092026-07-27 β 2026-08-26 Β· 5 obs
β 2026-07-27 10:04:00
β 2026-08-20 18:07:28
β 2026-08-24 18:35:52
β 2026-08-26 03:32:06
βA188.114.96.02026-07-25 β 2026-08-20 Β· 5 obs
β 2026-07-27 10:04:00
β 2026-08-20 18:07:28
β 2026-08-24 18:35:52
β 2026-08-26 03:32:06
βA188.114.97.02026-07-25 β 2026-08-20 Β· 5 obs
β 2026-07-27 10:04:00
β 2026-08-20 18:07:28
β 2026-08-24 18:35:52
β 2026-08-26 03:32:06
βA2606:4700:3033::6815:49ca2026-07-27 β 2026-08-26 Β· 5 obs
β 2026-07-27 10:04:00
β 2026-08-20 18:07:28
β 2026-08-24 18:35:52
β 2026-08-26 03:32:06
βA2606:4700:3034::ac43:a5d12026-07-27 β 2026-08-26 Β· 5 obs
β 2026-07-27 10:04:00
β 2026-08-20 18:07:28
β 2026-08-24 18:35:52
β 2026-08-26 03:32:06
βA2a06:98c1:3120::2026-07-25 β 2026-08-20 Β· 5 obs
β 2026-07-27 10:04:00
β 2026-08-20 18:07:28
β 2026-08-24 18:35:52
β 2026-08-26 03:32:06
βA2a06:98c1:3121::2026-07-25 β 2026-08-20 Β· 5 obs
β 2026-07-27 10:04:00
β 2026-08-20 18:07:28
β 2026-08-24 18:35:52
β 2026-08-26 03:32:06
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sbs | c.nic.sbs, d.nic.sbs, a.nic.sbs, b.nic.sbs | 8 records |
| execmasterclasses.sbs | hugh.ns.cloudflare.com, nena.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.193.117
NS records: hugh.ns.cloudflare.com, nena.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for execmasterclasses.sbs (unsigned zone)
β±οΈ Timing
Total: 609ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.73.202, 172.67.165.209 |
| AAAA | 2 | 2606:4700:3034::ac43:a5d1, 2606:4700:3033::6815:49ca |
| 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 |
π Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.sbs, b.nic.sbs, c.nic.sbs...)
Analysis
IP Addresses
execmasterclasses.sbs resolves to four IP addresses: 104.21.73.202, 172.67.165.209, 2606:4700:3033::6815:49ca and 2606:4700:3034::ac43:a5d1.
Two other host names, along with loyalbet88.bet, rospolitics.ru and www.mepmsi.org, also share IP numbers with execmasterclasses.sbs.
Name Servers
Two name servers handle the delegation for execmasterclasses.sbs: hugh.ns.cloudflare.com and nena.ns.cloudflare.com.
execmasterclasses.sbs shares its NS records with other domains, for example alignedsoulguide.cyou, valuedrivenmentoring.click, veritybooksource.click and two others.
execmasterclasses.sbs partially shares its NS delegation with several other domains, including grizzhak.com, dimitroulis.com, homenest.ro and two others.
These name servers are regularly seen alongside harlan.ns.cloudflare.com and isla.ns.cloudflare.com as name servers.
DNS names with 6 IP addresses:
hugh.ns.cloudflare.com resolves to 108.162.193.117, 172.64.33.117 and 173.245.59.117 among others, with 3 other IP addresses in total.
nena.ns.cloudflare.com resolves to 108.162.194.161, 162.159.38.161 and 172.64.34.161 among others, with 3 other IP addresses in total.