classnote.com - dns.ninja

`classnote.com`

DNSSEC	⚠️ Not signed
A	210.109.81.61^{🇰🇷 KEP-AS-KR210.109.80.0/22 SejongNetworks.co.ltd}
NS	`pablo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bdc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pablo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pablo.ns.cloudflare.com`
		A	108.162.193.220^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	172.64.33.220^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	173.245.59.220^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
NS	`sarah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26da^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sarah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sarah.ns.cloudflare.com`
		A	108.162.194.218^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	162.159.38.218^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	172.64.34.218^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	172.253.139.26^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f26.1e100.net`
MX	`alt1.aspmx.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com include:_spf.daum.net include:mail.zendesk.com...`
SOA	`pablo.ns.cloudflare.com`dns@cloudflare.com serial=2401742009

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1780939341

Same first word

classnote.net

classnote.com

Similar names

DNS History

16 records (8 active, 8 former)

○NSns1.kidsnote.kr2026-05-13 → 2026-06-08 · 2 obs

○ 2026-05-13 12:34:02
○ 2026-06-08 17:40:00

○NSns1.sedoparking.com2015-06-19 → 2017-04-19 · 4 obs

● 2015-06-19 02:24:50
● 2017-04-19 01:12:28
○ 2026-05-13 12:34:02
○ 2026-06-08 17:40:00

○NSns2.kidsnote.kr2026-05-13 → 2026-06-08 · 2 obs

○ 2026-05-13 12:34:02
○ 2026-06-08 17:40:00

○NSns2.sedoparking.com2015-06-19 → 2017-04-19 · 4 obs

● 2015-06-19 02:24:50
● 2017-04-19 01:12:28
○ 2026-05-13 12:34:02
○ 2026-06-08 17:40:00

●NSpablo.ns.cloudflare.com2026-05-13 → 2026-06-08 · 3 obs

○ 2017-04-19 01:12:28
● 2026-05-13 12:34:02
● 2026-06-08 17:40:00

●NSsarah.ns.cloudflare.com2026-05-13 → 2026-06-08 · 3 obs

○ 2017-04-19 01:12:28
● 2026-05-13 12:34:02
● 2026-06-08 17:40:00

●MXalt1.aspmx.google.com2026-05-13 → 2026-06-08 · 3 obs

○ 2017-04-19 01:12:28
● 2026-05-13 12:34:02
● 2026-06-08 17:40:00

●MXalt2.aspmx.google.com2026-05-13 → 2026-06-08 · 3 obs

○ 2017-04-19 01:12:28
● 2026-05-13 12:34:02
● 2026-06-08 17:40:00

●MXalt3.aspmx.google.com2026-05-13 → 2026-06-08 · 3 obs

○ 2017-04-19 01:12:28
● 2026-05-13 12:34:02
● 2026-06-08 17:40:00

●MXalt4.aspmx.google.com2026-05-13 → 2026-06-08 · 3 obs

○ 2017-04-19 01:12:28
● 2026-05-13 12:34:02
● 2026-06-08 17:40:00

●MXaspmx.l.google.com2026-05-13 → 2026-06-08 · 3 obs

○ 2017-04-19 01:12:28
● 2026-05-13 12:34:02
● 2026-06-08 17:40:00

○MXlocalhost2016-09-17 → 2017-04-19 · 5 obs

○ 2016-04-14 22:10:46
● 2016-09-17 10:17:42
● 2017-04-19 01:12:28
○ 2026-05-13 12:34:02
○ 2026-06-08 17:40:00

○MXmail.nickstel.com2015-06-19 → 2016-04-14 · 4 obs

● 2015-06-19 02:24:50
● 2016-04-14 22:10:46
○ 2016-09-17 10:17:42
○ 2026-06-08 17:40:00

●A210.109.81.612026-05-13 → 2026-06-08 · 3 obs

○ 2017-04-19 01:12:28
● 2026-05-13 12:34:02
● 2026-06-08 17:40:00

○A72.52.4.1222017-04-19 → 2017-04-19 · 4 obs

○ 2016-09-17 10:17:42
● 2017-04-19 01:12:28
○ 2026-05-13 12:34:02
○ 2026-06-08 17:40:00

○A72.52.4.912015-06-19 → 2016-09-17 · 4 obs

● 2015-06-19 02:24:50
● 2016-09-17 10:17:42
○ 2017-04-19 01:12:28
○ 2026-06-08 17:40:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
classnote.com	pablo.ns.cloudflare.com, sarah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.218

NS records: pablo.ns.cloudflare.com, sarah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classnote.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.109.81.61`
NS	2	`pablo.ns.cloudflare.com, sarah.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.google.com (pri: 10)...`
TXT	1	`v=spf1 include:_spf.google.com include:_`
SOA	1	`pablo.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (pablo.ns.cloudflare.com, pablo.ns.cloudflare.com, pablo.ns.cloudflare.com...)

Analysis

IP Addresses

classnote.com has exactly one IP address — 210.109.81.61.

Name Servers

DNS delegation for classnote.com points to two name servers: pablo.ns.cloudflare.com and sarah.ns.cloudflare.com.

The name server configuration of classnote.com is shared with other domains, for instance kidsnote.ac, writeforanimation.com, cryptoperformance.io and two others.

The name servers of classnote.com overlap at least partially with those of other domains — among them buenito.com, chaopai8.com, harrywitt.org and two more.

These name servers commonly co-occur with the name servers gina.ns.cloudflare.com, grace.ns.cloudflare.com, kipp.ns.cloudflare.com and donna.ns.cloudflare.com.

Hosts with 6 IP addresses each:

pablo.ns.cloudflare.com resolves to 108.162.193.220, 172.64.33.220 and 173.245.59.220, along with three other IP addresses.

sarah.ns.cloudflare.com resolves to 108.162.194.218, 162.159.38.218 and 172.64.34.218, along with three other IP addresses.

Mail Servers

Mail for classnote.com is routed through 5 mail servers, including alt1.aspmx.google.com, alt2.aspmx.google.com, alt3.aspmx.google.com and two others.

At least some of the mail servers used by classnote.com are shared with other domains: biovina.com.vn, ns500759.ns500758.ns500698.ns500698.ns500758.ns500735.ns500698.ns500735.ns500736.ns500735.ns500735.ns500686.ns500619.ns500576.ns500619.trackreceptor.com, ns500731.ns500731.ns500731.ns500742.ns500731.ns500754.ns500731.ns500671.ns500671.ns500688.ns500678.ns500678.ns500671.lusty(0x736c7574)z.com and two others among them.

These mail servers are often used together with the mail servers aspmx.l.google.com, alt4.aspmx.google.com, alt1.aspmx.l.google.com and seven other.

Host names pointing to two IP addresses:

alt1.aspmx.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.google.com has two IP addresses: 173.194.76.27 and 2a00:1450:400c:c00::1b.

aspmx.l.google.com has two IP addresses: 172.253.139.26 and 2607:f8b0:4004:c0b::1a.