classnotes.online - dns.ninja
classnotes.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:59ed🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:bfec🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.89.237Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.191.236🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dorthy.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| NS | nash.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bd1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nash.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1d1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nash.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21d1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nash.ns.cloudflare.com | ||||||
| A | 108.162.193.209🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nash.ns.cloudflare.com | ||||||
| A | 172.64.33.209🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nash.ns.cloudflare.com | ||||||
| A | 173.245.59.209🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nash.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.89.237, 172.67.191.236 | ||||||
| IPv6 hints | 2606:4700:3030::6815:59ed, 2606:4700:3031::ac43:bfec | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com | ||||||
| SOA | dorthy.ns.cloudflare.comdns@cloudflare.com serial=2405047852 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1782653606 | ||||||
Same first word
classnotes.ng |
classnotes.net |
classnotes.in |
classnotes.de |
classnotes.xyz |
classnotes.org.in |
classnotes.info |
classnotes.com |
classnotes.co |
classnotes.online |
classnotes.ai |
classnotes.pk |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdorthy.ns.cloudflare.com2026-03-31 → 2026-06-28 · 2 obs
● 2026-06-28 14:15:44
●NSnash.ns.cloudflare.com2026-03-31 → 2026-06-28 · 2 obs
● 2026-06-28 14:15:44
●A104.21.89.2372026-03-31 → 2026-06-28 · 2 obs
● 2026-06-28 14:15:44
●A172.67.191.2362026-03-31 → 2026-06-28 · 2 obs
● 2026-06-28 14:15:44
●A2606:4700:3030::6815:59ed2026-03-31 → 2026-06-28 · 2 obs
● 2026-06-28 14:15:44
●A2606:4700:3031::ac43:bfec2026-03-31 → 2026-06-28 · 2 obs
● 2026-06-28 14:15:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | - |
| classnotes.online | dorthy.ns.cloudflare.com, nash.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.249
NS records: dorthy.ns.cloudflare.com, nash.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classnotes.online (unsigned zone)
⏱️ Timing
Total: 418ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.89.237, 172.67.191.236 |
| AAAA | 2 | 2606:4700:3031::ac43:bfec, 2606:4700:3030::6815:59ed |
| NS | 2 | dorthy.ns.cloudflare.com, nash.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dorthy.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
classnotes.online has four IP addresses: 104.21.89.237, 172.67.191.236, 2606:4700:3030::6815:59ed and 2606:4700:3031::ac43:bfec.
simabinc.com, mayball.org, a.redelivre.org.br plus two other host names have IP numbers in common with classnotes.online.
Name Servers
classnotes.online has two authoritative name servers — dorthy.ns.cloudflare.com and nash.ns.cloudflare.com.
The name server configuration of classnotes.online is shared with other domains, for instance roll-bit.net, ciso.us, xpm.com.tr and two others.
classnotes.online shares at least some of its name servers with other domains, including qihongrm.com, ashwinbelbase.com.np, es-mk.com and two others.
These name servers tend to appear together with the name servers rayden.ns.cloudflare.com, donna.ns.cloudflare.com and aspen.ns.cloudflare.com, plus two others.
Hosts with 6 IP addresses each:
dorthy.ns.cloudflare.com points to 108.162.192.249, 172.64.32.249, 173.245.58.249 and 3 other IP addresses.
nash.ns.cloudflare.com points to 108.162.193.209, 172.64.33.209, 173.245.59.209 and 3 other IP addresses.