classnotes.xyz - dns.ninja

`classnotes.xyz`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d844^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:10e0^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.224^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.68^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`greg.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c173^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`greg.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2173^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`greg.ns.cloudflare.com`
		A	108.162.193.115^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	172.64.33.115^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	173.245.59.115^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
NS	`marjory.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marjory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marjory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marjory.ns.cloudflare.com`
		A	108.162.192.193^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marjory.ns.cloudflare.com`
		A	172.64.32.193^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marjory.ns.cloudflare.com`
		A	173.245.58.193^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marjory.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
TXT	`apple-domain=hr9Gk48y9umdsD7s`
TXT	`google-site-verification=2htrWrRVG0P80WhdNusz3n1FOM6toxJ9gaw5KnX8fPw`
TXT	`v=spf1 include:amazonses.com include:_spf.google.com include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.224, 172.67.216.68
		IPv6 hints	2606:4700:3031::ac43:d844, 2606:4700:3032::6815:10e0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com
SOA	`greg.ns.cloudflare.com`dns@cloudflare.com serial=2407672958

`xyz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`generationxyz.nic.xyz`
	NS	`x.nic.xyz`
	NS	`y.nic.xyz`
	NS	`z.nic.xyz`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=3000852284

Same first word

classnotes.com

classnotes.co

classnotes.online

classnotes.ai

classnotes.pk

classnotes.ng

classnotes.net

classnotes.in

classnotes.de

classnotes.xyz

classnotes.org.in

classnotes.info

Similar names

lessoncast.org

classtones.com

lessoncast.com

DNS History

14 records (8 active, 6 former)

●NSgreg.ns.cloudflare.com2026-02-15 → 2026-06-27 · 3 obs

○ 2018-05-06 15:12:02
● 2026-02-15 09:48:18
● 2026-06-27 23:20:32

●NSmarjory.ns.cloudflare.com2026-02-15 → 2026-06-27 · 3 obs

○ 2018-05-06 15:12:02
● 2026-02-15 09:48:18
● 2026-06-27 23:20:32

○NSns1.sm22.siteground.biz2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:12:02
○ 2026-02-15 09:48:18
○ 2026-06-27 23:20:32

○NSns2.sm22.siteground.biz2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:12:02
○ 2026-02-15 09:48:18
○ 2026-06-27 23:20:32

●MXmx01.mail.icloud.com2026-02-15 → 2026-06-27 · 3 obs

○ 2018-05-06 15:12:02
● 2026-02-15 09:48:18
● 2026-06-27 23:20:32

●MXmx02.mail.icloud.com2026-02-15 → 2026-06-27 · 3 obs

○ 2018-05-06 15:12:02
● 2026-02-15 09:48:18
● 2026-06-27 23:20:32

○MXmx10.mailspamprotection.com2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:12:02
○ 2026-02-15 09:48:18
○ 2026-06-27 23:20:32

○MXmx20.mailspamprotection.com2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:12:02
○ 2026-02-15 09:48:18
○ 2026-06-27 23:20:32

○MXmx30.mailspamprotection.com2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:12:02
○ 2026-02-15 09:48:18
○ 2026-06-27 23:20:32

●A104.21.16.2242026-02-15 → 2026-06-27 · 3 obs

○ 2018-05-06 15:12:02
● 2026-02-15 09:48:18
● 2026-06-27 23:20:32

●A172.67.216.682026-02-15 → 2026-06-27 · 3 obs

○ 2018-05-06 15:12:02
● 2026-02-15 09:48:18
● 2026-06-27 23:20:32

●A2606:4700:3031::ac43:d8442026-02-15 → 2026-06-27 · 3 obs

○ 2018-05-06 15:12:02
● 2026-02-15 09:48:18
● 2026-06-27 23:20:32

●A2606:4700:3032::6815:10e02026-02-15 → 2026-06-27 · 3 obs

○ 2018-05-06 15:12:02
● 2026-02-15 09:48:18
● 2026-06-27 23:20:32

○A77.104.142.2202018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:12:02
○ 2026-02-15 09:48:18
○ 2026-06-27 23:20:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
xyz	generationxyz.nic.xyz, x.nic.xyz, y.nic.xyz, z.nic.xyz	8 records
classnotes.xyz	marjory.ns.cloudflare.com, greg.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.115

NS records: marjory.ns.cloudflare.com, greg.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classnotes.xyz (unsigned zone)

⏱️ Timing

Total: 702ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.216.68, 104.21.16.224`
AAAA	2	`2606:4700:3031::ac43:d844, 2606:4700:3032::6815:10e0`
NS	2	`greg.ns.cloudflare.com, marjory.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`apple-domain=hr9Gk48y9umdsD7s, google-site-verification=2htrWrRVG0P80Wh...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`greg.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (x.nic.xyz, y.nic.xyz, z.nic.xyz...)

Analysis

IP Addresses

classnotes.xyz directs to four IP numbers, which are 104.21.16.224, 172.67.216.68, 2606:4700:3031::ac43:d844 and 2606:4700:3032::6815:10e0.

Two other host names, along with mailander.com, www.yxghy.com and 2022119.com, also share IP numbers with classnotes.xyz.

Name Servers

The NS records for classnotes.xyz delegate to greg.ns.cloudflare.com and marjory.ns.cloudflare.com.

classnotes.xyz shares its NS records with other domains, for example mediasignal.net, ptfs.com, honeycomb-tr.com and two others.

There is at least partial name server overlap between classnotes.xyz and other domains — karymullis.com, carshowhunter.com, lumanosti.com and two more among them.

These name servers are routinely deployed together with the name servers ray.ns.cloudflare.com.

DNS names with 6 IP addresses:

greg.ns.cloudflare.com maps to 108.162.193.115, 172.64.33.115, 173.245.59.115 and 3 additional IP addresses.

marjory.ns.cloudflare.com maps to 108.162.192.193, 172.64.32.193, 173.245.58.193 and 3 additional IP addresses.

Mail Servers

classnotes.xyz is served by two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.

Among the domains sharing a mail server setup with classnotes.xyz are borealis.gay, bretty.me.uk, rdwiz.com and two others.

There is at least a partial MX overlap between classnotes.xyz and other domains, including jamie-ray.com, a-zett.de, aemg.africa and two others.

DNS names with 6 IP addresses:

mx01.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx02.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.42.251.62 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.56.9.31 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.152.5 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.154.33 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.155.25 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.156.30 IP addresses.