classjump.com - dns.ninja

`classjump.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d4e6^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:25cc^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.204^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.230^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kellen.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ca0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kellen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kellen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kellen.ns.cloudflare.com`
		A	108.162.195.160^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kellen.ns.cloudflare.com`
		A	162.159.44.160^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kellen.ns.cloudflare.com`
		A	172.64.35.160^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kellen.ns.cloudflare.com`
NS	`meiling.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fe^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meiling.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fe^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meiling.ns.cloudflare.com`
		A	108.162.194.254^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	162.159.38.254^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	172.64.34.254^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.204, 172.67.212.230
		IPv6 hints	2606:4700:3033::ac43:d4e6, 2606:4700:3034::6815:25cc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com
SOA	`kellen.ns.cloudflare.com`dns@cloudflare.com serial=2406312228

`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=1783243281

WOT: SAFE (93/100)

PTR for

240.232.32.72.in-addr.arpa

Same first word

classjump.com

DNS History

31 records (6 active, 25 former)

●NSkellen.ns.cloudflare.com2026-07-02 → 2026-07-05 · 3 obs

○ 2016-12-18 14:05:56
● 2026-07-02 09:25:42
● 2026-07-05 09:30:14

●NSmeiling.ns.cloudflare.com2026-07-02 → 2026-07-05 · 3 obs

○ 2016-12-18 14:05:56
● 2026-07-02 09:25:42
● 2026-07-05 09:30:14

○NSns-1523.awsdns-62.org2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○NSns-1624.awsdns-11.co.uk2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○NSns-344.awsdns-43.com2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○NSns-713.awsdns-25.net2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○NSns35.worldnic.com2026-07-02 → 2026-07-05 · 2 obs

○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○NSns36.worldnic.com2026-07-02 → 2026-07-05 · 2 obs

○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○MXalt1.aspmx.l.google.com2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○MXalt2.aspmx.l.google.com2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○MXalt3.aspmx.l.google.com2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○MXalt4.aspmx.l.google.com2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○MXaspmx.l.google.com2015-06-17 → 2016-12-18 · 5 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

●A104.21.37.2042026-07-02 → 2026-07-05 · 3 obs

○ 2016-12-18 14:05:56
● 2026-07-02 09:25:42
● 2026-07-05 09:30:14

●A172.67.212.2302026-07-02 → 2026-07-05 · 3 obs

○ 2016-12-18 14:05:56
● 2026-07-02 09:25:42
● 2026-07-05 09:30:14

○A208.91.197.272026-07-02 → 2026-07-05 · 2 obs

○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

●A2606:4700:3033::ac43:d4e62026-07-02 → 2026-07-05 · 3 obs

○ 2016-12-18 14:05:56
● 2026-07-02 09:25:42
● 2026-07-05 09:30:14

●A2606:4700:3034::6815:25cc2026-07-02 → 2026-07-05 · 3 obs

○ 2016-12-18 14:05:56
● 2026-07-02 09:25:42
● 2026-07-05 09:30:14

○A52.10.190.382016-01-23 → 2016-01-23 · 4 obs

○ 2015-11-17 16:12:14
● 2016-01-23 12:55:14
○ 2016-02-09 19:06:30
○ 2026-07-05 09:30:14

○A52.10.235.1242015-10-19 → 2015-10-31 · 5 obs

○ 2008-03-18 11:51:04
● 2015-10-19 13:10:26
● 2015-10-31 15:24:42
○ 2015-11-04 03:12:14
○ 2026-07-05 09:30:14

○A52.25.180.1522015-06-17 → 2015-06-17 · 4 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
○ 2015-10-19 13:10:26
○ 2026-07-05 09:30:14

○A52.25.41.2132015-11-04 → 2015-11-04 · 4 obs

○ 2008-03-18 11:51:04
● 2015-11-04 03:12:14
○ 2015-11-17 16:12:14
○ 2026-07-05 09:30:14

○A52.27.112.2092015-10-19 → 2015-10-31 · 5 obs

○ 2008-03-18 11:51:04
● 2015-10-19 13:10:26
● 2015-10-31 15:24:42
○ 2015-11-04 03:12:14
○ 2026-07-05 09:30:14

○A52.27.114.2452015-11-17 → 2015-11-17 · 4 obs

○ 2015-11-04 03:12:14
● 2015-11-17 16:12:14
○ 2016-01-23 12:55:14
○ 2026-07-05 09:30:14

○A52.35.218.562016-01-23 → 2016-01-23 · 4 obs

○ 2015-11-17 16:12:14
● 2016-01-23 12:55:14
○ 2016-02-09 19:06:30
○ 2026-07-05 09:30:14

○A52.89.7.1042016-02-09 → 2016-02-09 · 4 obs

○ 2016-01-23 12:55:14
● 2016-02-09 19:06:30
○ 2016-06-08 13:40:48
○ 2026-07-05 09:30:14

○A54.148.252.2232016-06-08 → 2016-12-18 · 5 obs

○ 2016-02-09 19:06:30
● 2016-06-08 13:40:48
● 2016-12-18 14:05:56
○ 2026-07-02 09:25:42
○ 2026-07-05 09:30:14

○A54.148.70.292015-11-04 → 2015-11-04 · 4 obs

○ 2008-03-18 11:51:04
● 2015-11-04 03:12:14
○ 2015-11-17 16:12:14
○ 2026-07-05 09:30:14

○A54.149.83.2042015-06-17 → 2015-06-17 · 4 obs

○ 2008-03-18 11:51:04
● 2015-06-17 18:14:14
○ 2015-10-19 13:10:26
○ 2026-07-05 09:30:14

○A54.186.213.1022015-11-17 → 2015-11-17 · 4 obs

○ 2015-11-04 03:12:14
● 2015-11-17 16:12:14
○ 2016-01-23 12:55:14
○ 2026-07-05 09:30:14

○A54.68.193.2032016-02-09 → 2016-02-09 · 4 obs

○ 2016-01-23 12:55:14
● 2016-02-09 19:06:30
○ 2016-06-08 13:40:48
○ 2026-07-05 09:30:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classjump.com	meiling.ns.cloudflare.com, kellen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.160

NS records: meiling.ns.cloudflare.com, kellen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classjump.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.204, 172.67.212.230`
AAAA	2	`2606:4700:3034::6815:25cc, 2606:4700:3033::ac43:d4e6`
NS	2	`kellen.ns.cloudflare.com, meiling.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kellen.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

classjump.com resolves to four IP addresses: 104.21.37.204, 172.67.212.230, 2606:4700:3033::ac43:d4e6 and 2606:4700:3034::6815:25cc.

Additional host names — bureaulogicnexus.digital, gz-beilei.com, sebast.com.br and two others — share IP numbers with classjump.com.

Name Servers

Two name servers handle the delegation for classjump.com: kellen.ns.cloudflare.com and meiling.ns.cloudflare.com.

classjump.com shares its name server setup with other domains, including iier.org, deepsense.info, discotheque-espace.com and two others.

classjump.com shares at least some of its name servers with other domains, including pewneuzywane.eu, nextravox.xyz, thuongtruongkinhdoanh.com.vn and two others.

These name servers are frequently seen alongside the name servers vasilii.ns.cloudflare.com, nash.ns.cloudflare.com, kenia.ns.cloudflare.com and mina.ns.cloudflare.com.

Host names with 6 IP numbers:

kellen.ns.cloudflare.com resolves to 108.162.195.160, 162.159.44.160 and 172.64.35.160 among others, with 3 other IP addresses in total.

meiling.ns.cloudflare.com resolves to 108.162.194.254, 162.159.38.254 and 172.64.34.254 among others, with 3 other IP addresses in total.