activelearning.io - dns.ninja
activelearning.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:cdd2🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:4541🇺🇸 Cloudflare2606:4700:3034::/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 | 2606:4700:3032::ac43:cdd2, 2606:4700:3034::6815:4541 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=71, name=cloudflare-ech.com | ||||||
| SOA | dom.ns.cloudflare.comdns@cloudflare.com serial=2405967595 | ||||||
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=1781284711 | ||||||
Subdomains
mail.activelearning.io |
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSdom.ns.cloudflare.com2026-02-25 → 2026-06-12 · 2 obs
● 2026-06-12 17:31:36
●NSnova.ns.cloudflare.com2026-02-25 → 2026-06-12 · 2 obs
● 2026-06-12 17:31:36
●MXinbound-smtp.us-west-2.amazonaws.com2026-02-25 → 2026-06-12 · 2 obs
● 2026-06-12 17:31:36
●MXmail.activelearning.io2026-02-25 → 2026-06-12 · 2 obs
● 2026-06-12 17:31:36
●A104.21.69.652026-02-25 → 2026-06-12 · 2 obs
● 2026-06-12 17:31:36
●A172.67.205.2102026-02-25 → 2026-06-12 · 2 obs
● 2026-06-12 17:31:36
●A2606:4700:3032::ac43:cdd22026-02-25 → 2026-06-12 · 2 obs
● 2026-06-12 17:31:36
●A2606:4700:3034::6815:45412026-02-25 → 2026-06-12 · 2 obs
● 2026-06-12 17:31:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| activelearning.io | dom.ns.cloudflare.com, nova.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.129
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: 1783ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.69.65, 172.67.205.210 |
| AAAA | 2 | 2606:4700:3032::ac43:cdd2, 2606:4700:3034::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 four IP numbers: 104.21.69.65, 172.67.205.210, 2606:4700:3032::ac43:cdd2 and 2606:4700:3034::6815:4541.
Two other host names, along with localpulse.site, airtable-worker1.admin-3d0.workers.dev and jeafoshea.institute, 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, sbi-estimation.com, activelms.com and two others.
The name servers of activelearning.io overlap at least partially with those of other domains — among them cgis.be, cardosystems.jp, fbcpa.pro and two more.
These name servers commonly co-occur with the name servers rommy.ns.cloudflare.com, dina.ns.cloudflare.com, june.ns.cloudflare.com and rudy.ns.cloudflare.com.
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 with 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 with one IP number:
The hostname mail.activelearning.io resolves to 15.204.46.60.