classwise.com - dns.ninja

`classwise.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:54fc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c823^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.252^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.35^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`austin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b46^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c146^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`austin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2146^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`austin.ns.cloudflare.com`
		A	108.162.193.70^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	172.64.33.70^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	173.245.59.70^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.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	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.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.l.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.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`1\|www.classwise.com`
TXT	`MS=ms40781575`
TXT	`firebase=classwise-1`
TXT	`google-site-verification=kPlextTrOAyDORaIJmQnBsL0aIaoqbU2in8dweyp8q0`
TXT	`mojecertpl-site-verification-IabdBeaWmQKBeiRPE5jEWYr4afpfBoxQ`
TXT	`v=spf1 include:_spf.firebasemail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.252, 172.67.200.35
		IPv6 hints	2606:4700:3035::6815:54fc, 2606:4700:3037::ac43:c823
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=128, name=cloudflare-ech.com
SOA	`austin.ns.cloudflare.com`dns@cloudflare.com serial=2409931522

`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=1785844762

Subdomains

www.classwise.com

Same first word

classwise.com

Similar names

lewiscass.net

iwsscales.com

swisslace.com

DNS History

19 records (11 active, 8 former)

●NSaustin.ns.cloudflare.com2026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

●NSmarjory.ns.cloudflare.com2026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

○NSns35.domaincontrol.com2015-08-22 → 2019-04-08 · 4 obs

● 2015-08-22 12:52:12
● 2019-04-08 14:06:14
○ 2026-02-23 12:41:04
○ 2026-08-04 12:00:30

○NSns36.domaincontrol.com2015-08-22 → 2019-04-08 · 4 obs

● 2015-08-22 12:52:12
● 2019-04-08 14:06:14
○ 2026-02-23 12:41:04
○ 2026-08-04 12:00:30

●MXalt1.aspmx.l.google.com2026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

●MXalt2.aspmx.l.google.com2026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

●MXalt3.aspmx.l.google.com2026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

●MXalt4.aspmx.l.google.com2026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

●MXaspmx.l.google.com2026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

○MXmx10.webfaction.com2015-08-22 → 2019-04-08 · 4 obs

● 2015-08-22 12:52:12
● 2019-04-08 14:06:14
○ 2026-02-23 12:41:04
○ 2026-08-04 12:00:30

○MXmx7.webfaction.com2015-08-22 → 2019-04-08 · 4 obs

● 2015-08-22 12:52:12
● 2019-04-08 14:06:14
○ 2026-02-23 12:41:04
○ 2026-08-04 12:00:30

○MXmx8.webfaction.com2015-08-22 → 2019-04-08 · 4 obs

● 2015-08-22 12:52:12
● 2019-04-08 14:06:14
○ 2026-02-23 12:41:04
○ 2026-08-04 12:00:30

○MXmx9.webfaction.com2015-08-22 → 2019-04-08 · 4 obs

● 2015-08-22 12:52:12
● 2019-04-08 14:06:14
○ 2026-02-23 12:41:04
○ 2026-08-04 12:00:30

●A104.21.84.2522026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

●A172.67.200.352026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

○A174.122.183.1302015-08-22 → 2019-04-08 · 4 obs

● 2015-08-22 12:52:12
● 2019-04-08 14:06:14
○ 2026-02-23 12:41:04
○ 2026-08-04 12:00:30

○A2606:4700:3033::ac43:c8232026-02-23 → 2026-02-23 · 4 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
○ 2026-06-24 07:25:48
○ 2026-08-04 12:00:30

●A2606:4700:3035::6815:54fc2026-02-23 → 2026-08-04 · 3 obs

○ 2019-04-08 14:06:14
● 2026-02-23 12:41:04
● 2026-08-04 12:00:30

●A2606:4700:3037::ac43:c8232026-06-24 → 2026-08-04 · 3 obs

○ 2026-02-23 12:41:04
● 2026-06-24 07:25:48
● 2026-08-04 12:00:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classwise.com	austin.ns.cloudflare.com, marjory.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.193

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classwise.com (unsigned zone)

⏱️ Timing

Total: 211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.35, 104.21.84.252`
AAAA	2	`2606:4700:3037::ac43:c823, 2606:4700:3035::6815:54fc`
NS	2	`austin.ns.cloudflare.com, marjory.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	6	`1\|www.classwise.com, MS=ms40781575...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`austin.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.classwise.com is delegated beneath classwise.com.

IP Addresses

classwise.com directs to four IP numbers, which are 104.21.84.252, 172.67.200.35, 2606:4700:3035::6815:54fc and 2606:4700:3037::ac43:c823.

Two other host names, along with olahalo.top, www.logmedo.com and www.sinematurk.com, also share IP numbers with classwise.com.

Name Servers

classwise.com has two authoritative name servers — austin.ns.cloudflare.com and marjory.ns.cloudflare.com.

classwise.com shares its NS records with other domains, for example alisraza.com, districtzero.eu, cuteboy.in.th and two others.

There is at least partial name server overlap between classwise.com and other domains — sueurioireoae.com, handson-ti.com, butyrcore.click and two more among them.

The name servers norah.ns.cloudflare.com, ray.ns.cloudflare.com, grace.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

austin.ns.cloudflare.com points to 108.162.193.70, 172.64.33.70, 173.245.59.70 and 3 other IP addresses.

marjory.ns.cloudflare.com points to 108.162.192.193, 172.64.32.193, 173.245.58.193 and 3 other IP addresses.

Mail Servers

Five mail servers handle classwise.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between classwise.com and other domains, including mel-global.com, ns500698.ns500758.ns500735.ns500736.ns500698.ns500735.ns500708.ns500576.ns500576.ns500576.tracksymphony.com, ns500742.ns500754.ns500731.ns500754.ns500742.ns500742.ns500704.ns500705.ns500704.ns500291.ns500678.ns500649.ns500666.ns500653.ns500153.tenderladiesbz.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com resolves to 64.233.180.27 and 2607:f8b0:4004:c17::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1a.