class-central.com - dns.ninja

`class-central.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:88ba^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:468f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.143^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.186^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arely.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26a4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arely.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arely.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arely.ns.cloudflare.com`
		A	108.162.194.164^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arely.ns.cloudflare.com`
		A	162.159.38.164^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arely.ns.cloudflare.com`
		A	172.64.34.164^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arely.ns.cloudflare.com`
NS	`cash.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c151^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2151^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cash.ns.cloudflare.com`
		A	108.162.193.81^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	172.64.33.81^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	173.245.59.81^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
MX	`alt1.aspmx.l.google.com` ⭐
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com` ⭐
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`aspmx2.googlemail.com` ⭐
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`aspmx3.googlemail.com` ⭐
		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	`aspmx4.googlemail.com` ⭐
		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	`aspmx5.googlemail.com` ⭐
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=5axfzDdtPxEViLntMS7hz0F7MzsfILnZfrKIafLPC-c`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.143, 172.67.136.186
		IPv6 hints	2606:4700:3031::ac43:88ba, 2606:4700:3034::6815:468f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=218, name=cloudflare-ech.com
SOA	`arely.ns.cloudflare.com`dns@cloudflare.com serial=2411305350

`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=1786333829

rank #62497 globally
rank #30207 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #240,723

Subdomains

www.class-central.com

Same first word

class-central.com

DNS History

20 records (13 active, 7 former)

●NSarely.ns.cloudflare.com2026-02-18 → 2026-08-10 · 3 obs

○ 2017-02-13 05:32:10
● 2026-02-18 01:09:38
● 2026-08-10 03:59:00

●NScash.ns.cloudflare.com2026-02-18 → 2026-08-10 · 3 obs

○ 2017-02-13 05:32:10
● 2026-02-18 01:09:38
● 2026-08-10 03:59:00

○NSdns1.registrar-servers.com2015-08-03 → 2017-02-13 · 4 obs

● 2015-08-03 01:05:28
● 2017-02-13 05:32:10
○ 2026-02-18 01:09:38
○ 2026-08-10 03:59:00

○NSdns2.registrar-servers.com2015-08-03 → 2017-02-13 · 4 obs

● 2015-08-03 01:05:28
● 2017-02-13 05:32:10
○ 2026-02-18 01:09:38
○ 2026-08-10 03:59:00

○NSdns3.registrar-servers.com2015-08-03 → 2017-02-13 · 4 obs

● 2015-08-03 01:05:28
● 2017-02-13 05:32:10
○ 2026-02-18 01:09:38
○ 2026-08-10 03:59:00

○NSdns4.registrar-servers.com2015-08-03 → 2017-02-13 · 4 obs

● 2015-08-03 01:05:28
● 2017-02-13 05:32:10
○ 2026-02-18 01:09:38
○ 2026-08-10 03:59:00

○NSdns5.registrar-servers.com2015-08-03 → 2017-02-13 · 4 obs

● 2015-08-03 01:05:28
● 2017-02-13 05:32:10
○ 2026-02-18 01:09:38
○ 2026-08-10 03:59:00

●MXalt1.aspmx.l.google.com2015-08-03 → 2026-08-10 · 2 obs

● 2015-08-03 01:05:28
● 2026-08-10 03:59:00

●MXalt2.aspmx.l.google.com2015-08-03 → 2026-08-10 · 2 obs

● 2015-08-03 01:05:28
● 2026-08-10 03:59:00

●MXaspmx.l.google.com2015-08-03 → 2026-08-10 · 2 obs

● 2015-08-03 01:05:28
● 2026-08-10 03:59:00

●MXaspmx2.googlemail.com2015-08-03 → 2026-08-10 · 2 obs

● 2015-08-03 01:05:28
● 2026-08-10 03:59:00

●MXaspmx3.googlemail.com2015-08-03 → 2026-08-10 · 2 obs

● 2015-08-03 01:05:28
● 2026-08-10 03:59:00

●MXaspmx4.googlemail.com2015-08-03 → 2026-08-10 · 2 obs

● 2015-08-03 01:05:28
● 2026-08-10 03:59:00

●MXaspmx5.googlemail.com2015-08-03 → 2026-08-10 · 2 obs

● 2015-08-03 01:05:28
● 2026-08-10 03:59:00

●A104.21.70.1432026-02-18 → 2026-08-10 · 3 obs

○ 2017-02-13 05:32:10
● 2026-02-18 01:09:38
● 2026-08-10 03:59:00

○A162.255.119.912015-08-03 → 2017-02-13 · 4 obs

● 2015-08-03 01:05:28
● 2017-02-13 05:32:10
○ 2026-02-18 01:09:38
○ 2026-08-10 03:59:00

●A172.67.136.1862026-02-18 → 2026-08-10 · 3 obs

○ 2017-02-13 05:32:10
● 2026-02-18 01:09:38
● 2026-08-10 03:59:00

●A2606:4700:3031::ac43:88ba2026-06-27 → 2026-08-10 · 3 obs

○ 2026-05-31 16:26:54
● 2026-06-27 10:12:46
● 2026-08-10 03:59:00

●A2606:4700:3034::6815:468f2026-02-18 → 2026-08-10 · 3 obs

○ 2017-02-13 05:32:10
● 2026-02-18 01:09:38
● 2026-08-10 03:59:00

○A2606:4700:3036::ac43:88ba2026-02-18 → 2026-05-31 · 5 obs

○ 2017-02-13 05:32:10
● 2026-02-18 01:09:38
● 2026-05-31 16:26:54
○ 2026-06-27 10:12:46
○ 2026-08-10 03:59:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
class-central.com	cash.ns.cloudflare.com, arely.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.164

NS records: cash.ns.cloudflare.com, arely.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class-central.com (unsigned zone)

⏱️ Timing

Total: 258ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.136.186, 104.21.70.143`
AAAA	2	`2606:4700:3031::ac43:88ba, 2606:4700:3034::6815:468f`
NS	2	`arely.ns.cloudflare.com, cash.ns.cloudflare.com`
MX	7	`alt1.aspmx.l.google.com (pri: 0), alt2.aspmx.l.google.com (pri: 0)...`
TXT	2	`google-site-verification=5axfzDdtPxEViLn, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arely.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

class-central.com serves as the parent of www.class-central.com.

IP Addresses

class-central.com has four IP addresses: 104.21.70.143, 172.67.136.186, 2606:4700:3031::ac43:88ba and 2606:4700:3034::6815:468f.

xiaoleedu.com, ulltahoostt.online, macmediasudbury.com and two other host names share IP numbers with class-central.com.

Name Servers

class-central.com is served by two delegated name servers, arely.ns.cloudflare.com and cash.ns.cloudflare.com.

class-central.com uses the same name servers as several other domains — among them squareinsurance.in, meetyourmatch.com.au, sumptracker.com and two more.

class-central.com has at least partial name server overlap with other domains, such as meaningofdreaming.com, hypeflixplay.com, moneyhub-dekajugokep.click and two others.

It is common to find these name servers paired with the name servers jerome.ns.cloudflare.com, anna.ns.cloudflare.com, tanner.ns.cloudflare.com and sullivan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

arely.ns.cloudflare.com carries IP addresses 108.162.194.164, 162.159.38.164 and 172.64.34.164, with 3 other addresses beyond those.

cash.ns.cloudflare.com carries IP addresses 108.162.193.81, 172.64.33.81 and 173.245.59.81, with 3 other addresses beyond those.

Mail Servers

Mail for class-central.com is routed through 7 mail servers, including aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

class-central.com has at least partial mail server overlap with other domains such as yajuego.co, ns500821.ns500821.ns500794.ns500821.ns500795.ns500795.ns500794.ns500821.ns500795.ns500794.ns500795.lustypartnersfinder.com, edge-associates.com and two more.

These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, aspmx.l.google.com, alt2.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 192.178.234.27 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx4.googlemail.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.

aspmx5.googlemail.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.

aspmx.l.google.com maps to two IP addresses — 142.251.163.27 and 2607:f8b0:4004:c29::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 2800:3f0:4003:c14::1a IP addresses.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 192.178.234.27 IP addresses.