efficientbitcoinminingcourse.com - dns.ninja
efficientbitcoinminingcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:c72a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:5ce1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.92.225Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.42🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | harleigh.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:263a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harleigh.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c23a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | harleigh.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:223a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | harleigh.ns.cloudflare.com | ||||||
| A | 108.162.194.58🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harleigh.ns.cloudflare.com | ||||||
| A | 162.159.38.58Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harleigh.ns.cloudflare.com | ||||||
| A | 172.64.34.58🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harleigh.ns.cloudflare.com | ||||||
| NS | santino.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c01🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | santino.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c301🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | santino.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2301🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | santino.ns.cloudflare.com | ||||||
| A | 108.162.195.1🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | santino.ns.cloudflare.com | ||||||
| A | 162.159.44.1Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | santino.ns.cloudflare.com | ||||||
| A | 172.64.35.1🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | santino.ns.cloudflare.com | ||||||
| MX | mx.efficientbitcoinminingcourse.com.cust.b.hostedemail.com ⭐ | ||||||
| A | 64.98.38.4🇨🇦 TUCOWS-364.98.38.0/24 IPv4 Allow | ||||||
| PTR | mx.b.hostedemail.com | ||||||
| TXT | v=spf1 include:spf.sendinblue.com include:_spf.hostedemail.com mx ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.92.225, 172.67.199.42 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:c72a, 2606:4700:3035::6815:5ce1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=90, name=cloudflare-ech.com | ||||||
| SOA | harleigh.ns.cloudflare.comdns@cloudflare.com serial=2414943362 | ||||||
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.netnstld@verisign-grs.com serial=1792097689 | ||||||
Same first word
efficientbitcoinminingcourse.com |
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSharleigh.ns.cloudflare.com2026-09-10 → 2026-10-15 · 2 obs
● 2026-10-15 21:06:04
●NSsantino.ns.cloudflare.com2026-09-10 → 2026-10-15 · 2 obs
● 2026-10-15 21:06:04
●MXmx.efficientbitcoinminingcourse.com.cust.b.hostedemail.com2026-09-10 → 2026-10-15 · 2 obs
● 2026-10-15 21:06:04
●A104.21.92.2252026-09-10 → 2026-10-15 · 2 obs
● 2026-10-15 21:06:04
●A172.67.199.422026-09-10 → 2026-10-15 · 2 obs
● 2026-10-15 21:06:04
●A2606:4700:3031::ac43:c72a2026-09-10 → 2026-10-15 · 2 obs
● 2026-10-15 21:06:04
●A2606:4700:3035::6815:5ce12026-09-10 → 2026-10-15 · 2 obs
● 2026-10-15 21:06:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net... | - |
| efficientbitcoinminingcourse.com | harleigh.ns.cloudflare.com, santino.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.1
NS records: harleigh.ns.cloudflare.com, santino.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for efficientbitcoinminingcourse.com (unsigned zone)
⏱️ Timing
Total: 956ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.199.42, 104.21.92.225 |
| AAAA | 2 | 2606:4700:3031::ac43:c72a, 2606:4700:3035::6815:5ce1 |
| NS | 2 | harleigh.ns.cloudflare.com, santino.ns.cloudflare.com |
| MX | 1 | mx.efficientbitcoinminingcourse.com.cust |
| TXT | 1 | v=spf1 include:spf.sendinblue.com inclu |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | harleigh.ns.cloudflare.com dns.cloudflar |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (harleigh.ns.cloudflare.com, harleigh.ns.cloudflare.com, harleigh.ns.cloudflare.com...)
Analysis
IP Addresses
efficientbitcoinminingcourse.com directs to four IP numbers, which are 104.21.92.225, 172.67.199.42, 2606:4700:3031::ac43:c72a and 2606:4700:3035::6815:5ce1.
Among the host names that share IP numbers with efficientbitcoinminingcourse.com are evefreight.com, c6229.top, cosmicslot.nl and two others.
Name Servers
DNS delegation for efficientbitcoinminingcourse.com points to two name servers: harleigh.ns.cloudflare.com and santino.ns.cloudflare.com.
efficientbitcoinminingcourse.com has the same name server delegation as a number of other domains, such as nonprofitmarketingpathway.com, wellbeingbeyond50.com, microgreensroadmap.com and two more.
There is at least partial name server overlap between efficientbitcoinminingcourse.com and other domains — cecformazione.it, hsyovo.workers.dev, kava-dgraofkpz.pages.dev and two more among them.
These name servers are routinely deployed together with the name servers armando.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
harleigh.ns.cloudflare.com has IP addresses 108.162.194.58, 162.159.38.58 and 172.64.34.58, plus 3 other.
santino.ns.cloudflare.com has IP addresses 108.162.195.1, 162.159.44.1 and 172.64.35.1, plus 3 other.
Mail Servers
efficientbitcoinminingcourse.com routes its mail through a single mail server, mx.efficientbitcoinminingcourse.com.cust.b.hostedemail.com.
mx.efficientbitcoinminingcourse.com.cust.b.hostedemail.com has exactly one IP number: 64.98.38.4.