activelearning.io - dns.ninja
activelearning.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:cdd2🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:4541🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.69.65Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.205.210🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dom.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b9d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dom.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c19d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dom.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:219d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dom.ns.cloudflare.com | ||||||
| A | 108.162.193.157🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dom.ns.cloudflare.com | ||||||
| A | 172.64.33.157🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dom.ns.cloudflare.com | ||||||
| A | 173.245.59.157🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dom.ns.cloudflare.com | ||||||
| NS | nova.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2681🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c281🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2281🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 108.162.194.129🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 162.159.38.129Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 172.64.34.129🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| MX | mail.activelearning.io ⭐ | ||||||
| A | 15.204.46.60🇺🇸 OVH15.204.0.0/17 Hosting route | ||||||
| PTR | scale1.i7clouds.com | ||||||
| MX | inbound-smtp.us-west-2.amazonaws.com(10) | ||||||
| A | 35.161.157.106🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix | ||||||
| PTR | ec2-35-161-157-106.us-west-2.compute.amazonaws.com | ||||||
| A | 52.13.163.116🇺🇸 Amazon52.12.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-52-13-163-116.us-west-2.compute.amazonaws.com | ||||||
| A | 52.43.162.244🇺🇸 Amazon52.40.0.0/14 EC2 PDX prefix | ||||||
| PTR | ec2-52-43-162-244.us-west-2.compute.amazonaws.com | ||||||
| A | 54.188.121.70🇺🇸 Amazon54.188.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-188-121-70.us-west-2.compute.amazonaws.com | ||||||
| TXT | v=spf1 +mx +a +a:mail.activelearning.io +a:eu1.i7clouds.com +ip4:151.106.38.5... | ||||||
| TXT | v=spf1 include:zcsend.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.69.65, 172.67.205.210 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:cdd2, 2606:4700:3033::6815:4541 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com | ||||||
| SOA | dom.ns.cloudflare.comdns@cloudflare.com serial=2411075982 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1786251945 | ||||||
Subdomains
mail.activelearning.io |
Same first word
Similar names
DNS History
10 records (8 active, 2 former)
●NSdom.ns.cloudflare.com2026-02-25 → 2026-08-09 · 2 obs
● 2026-08-09 05:19:08
●NSnova.ns.cloudflare.com2026-02-25 → 2026-08-09 · 2 obs
● 2026-08-09 05:19:08
●MXinbound-smtp.us-west-2.amazonaws.com2026-02-25 → 2026-08-09 · 2 obs
● 2026-08-09 05:19:08
●MXmail.activelearning.io2026-02-25 → 2026-08-09 · 2 obs
● 2026-08-09 05:19:08
●A104.21.69.652026-02-25 → 2026-08-09 · 2 obs
● 2026-08-09 05:19:08
●A172.67.205.2102026-02-25 → 2026-08-09 · 2 obs
● 2026-08-09 05:19:08
●A2606:4700:3031::ac43:cdd22026-08-09 → 2026-08-09 · 2 obs
● 2026-08-09 05:19:08
○A2606:4700:3032::ac43:cdd22026-02-25 → 2026-02-25 · 2 obs
○ 2026-08-09 05:19:08
●A2606:4700:3033::6815:45412026-08-09 → 2026-08-09 · 2 obs
● 2026-08-09 05:19:08
○A2606:4700:3034::6815:45412026-02-25 → 2026-02-25 · 2 obs
○ 2026-08-09 05:19:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a0.nic.io, a2.nic.io, b0.nic.io | - |
| activelearning.io | dom.ns.cloudflare.com, nova.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.129
NS records: dom.ns.cloudflare.com, nova.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for activelearning.io (unsigned zone)
⏱️ Timing
Total: 422ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.69.65, 172.67.205.210 |
| AAAA | 2 | 2606:4700:3031::ac43:cdd2, 2606:4700:3033::6815:4541 |
| NS | 2 | dom.ns.cloudflare.com, nova.ns.cloudflare.com |
| MX | 2 | mail.activelearning.io (pri: 1), inbound-smtp.us-west-2.amazonaws.com (pr |
| TXT | 2 | v=spf1 +mx +a +a:mail.activelearning.io , v=spf1 include:zcsend.net ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dom.ns.cloudflare.com dns.cloudflare.com |
Analysis
Hierarchy
mail.activelearning.io is a subdomain of activelearning.io.
IP Addresses
activelearning.io points to the four IP addresses 104.21.69.65, 172.67.205.210, 2606:4700:3031::ac43:cdd2 and 2606:4700:3033::6815:4541.
Two other host names, along with localpulse.site, airtable-worker1.admin-3d0.workers.dev and hb9.casino, also share IP numbers with activelearning.io.
Name Servers
Two name servers handle the delegation for activelearning.io: dom.ns.cloudflare.com and nova.ns.cloudflare.com.
activelearning.io shares its NS records with other domains, for example ocamericanhighschool.com, casino42724.buzz, ciuedu.net and two others.
The name servers of activelearning.io overlap at least partially with those of other domains — among them cgis.be, cardosystems.jp, (0x736578)hdvn.net and two more.
These name servers commonly appear in delegations together with dina.ns.cloudflare.com, june.ns.cloudflare.com, rommy.ns.cloudflare.com and 3 other.
DNS names with 6 IP addresses:
dom.ns.cloudflare.com resolves to 108.162.193.157, 172.64.33.157 and 173.245.59.157 among others, with 3 other IP addresses in total.
nova.ns.cloudflare.com resolves to 108.162.194.129, 162.159.38.129 and 172.64.34.129 among others, with 3 other IP addresses in total.
Mail Servers
activelearning.io is served by two mail servers, mail.activelearning.io and inbound-smtp.us-west-2.amazonaws.com.
There is at least a partial MX overlap between activelearning.io and other domains, including coe.a2z.com, adtorqueedge.atlassian.net, prisma.atlassian.net and two others.
These mail servers tend to appear in combination with mail servers inbound-smtp.us-east-1.amazonaws.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that resolve to four IP numbers:
inbound-smtp.us-west-2.amazonaws.com resolves to 35.161.157.106, 52.13.163.116, 52.43.162.244 and 54.188.121.70.
Host names that point to one IP address:
The hostname mail.activelearning.io resolves to 15.204.46.60.