`classnotes2.online`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:89a7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:4917^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.23^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.167^{🇺🇸 Cloudflare172.67.128.0/20 , 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	104.21.73.23, 172.67.137.167
		IPv6	2606:4700:3033::ac43:89a7, 2606:4700:3034::6815:4917
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2399480122

`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.com`trs-ops@tucows.com serial=1774475915

Same first word

classnotes2.online

Similar names

2classnotes.com

DNS History

6 records (6 active, 0 former)

●NSdorthy.ns.cloudflare.com2026-03-13 → 2026-03-25 · 2 obs

● 2026-03-13 08:43:00
● 2026-03-25 22:10:46

●NSnash.ns.cloudflare.com2026-03-13 → 2026-03-25 · 2 obs

● 2026-03-13 08:43:00
● 2026-03-25 22:10:46

●A104.21.73.232026-03-13 → 2026-03-25 · 2 obs

● 2026-03-13 08:43:00
● 2026-03-25 22:10:46

●A172.67.137.1672026-03-13 → 2026-03-25 · 2 obs

● 2026-03-13 08:43:00
● 2026-03-25 22:10:46

●A2606:4700:3033::ac43:89a72026-03-13 → 2026-03-25 · 2 obs

● 2026-03-13 08:43:00
● 2026-03-25 22:10:46

●A2606:4700:3034::6815:49172026-03-13 → 2026-03-25 · 2 obs

● 2026-03-13 08:43:00
● 2026-03-25 22:10:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
online	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	-
classnotes2.online	nash.ns.cloudflare.com, dorthy.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.249

NS records: nash.ns.cloudflare.com, dorthy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classnotes2.online (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.137.167, 104.21.73.23`
AAAA	2	`2606:4700:3034::6815:4917, 2606:4700:3033::ac43:89a7`
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

classnotes2.online maps to four IP numbers: 2606:4700:3033::ac43:89a7, 2606:4700:3034::6815:4917, 104.21.73.23 and 172.67.137.167.

Other host names, for instance allgoals.com.pl, www.top-tipster.com, www.441344.com, casinobahiadecadiz.es and pumpkinfaces.org share IP numbers with classnotes2.online.

Name Servers

Two name servers dorthy.ns.cloudflare.com and nash.ns.cloudflare.com handle delegation for classnotes2.online.

classnotes2.online uses the same name server setup as other domains, for example jobiant.com, isecurity.io, retrobowl26.space, bayaudio.com and cyberbrink.com.

classnotes2.online partially shares name servers with other domains; examples include heinze.dev, 911pw.com, ruopei.com, glaze.us and diecutfoamusa.com.

These name servers commonly accompany rayden.ns.cloudflare.com, aspen.ns.cloudflare.com, arya.ns.cloudflare.com and zara.ns.cloudflare.com.

Host names with six IP numbers: dorthy.ns.cloudflare.com points to: 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249; nash.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd1, 2803:f800:50::6ca2:c1d1, 2a06:98c1:50::ac40:21d1, 108.162.193.209, 172.64.33.209 and 173.245.59.209.

classnotes2.online - robtex.com