`klsstudents.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:befb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:141a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.26^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.251^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`derek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`derek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`derek.ns.cloudflare.com`
		A	108.162.193.154^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	172.64.33.154^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	173.245.59.154^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
NS	`emily.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emily.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emily.ns.cloudflare.com`
		A	108.162.192.155^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	172.64.32.155^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	173.245.58.155^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
MX	`klsstudents-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`JZkdekDPPvsTSeNrETr+mG1U8Vukb2dB9erObsYFJLcaxLMATjuwTotYyV7UKmD9lUJqmu210b4LJ...`
TXT	`apple-domain-verification=Eq7BNBLdGe4bI3Nz`
TXT	`google-site-verification= rXOxyZounnZasA8Z7oaD3c14JdjS9aKSWvsR1EbUSIQ`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`v=verifydomain MS=5678005`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.20.26, 172.67.190.251
		IPv6 hints	2606:4700:3035::ac43:befb, 2606:4700:3037::6815:141a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=211, name=cloudflare-ech.com
SOA	`derek.ns.cloudflare.com`dns@cloudflare.com serial=2408810622

`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=1785240557

Same first word

klsstudents.com

DNS History

19 records (7 active, 12 former)

●NSderek.ns.cloudflare.com2018-12-20 → 2026-07-28 · 3 obs

○ 2016-12-19 04:46:22
● 2018-12-20 03:36:00
● 2026-07-28 12:28:18

●NSemily.ns.cloudflare.com2018-12-20 → 2026-07-28 · 3 obs

○ 2016-12-19 04:46:22
● 2018-12-20 03:36:00
● 2026-07-28 12:28:18

○NSns01.domaincontrol.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 04:46:22
○ 2018-12-20 03:36:00
○ 2026-07-28 12:28:18

○NSns02.domaincontrol.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 04:46:22
○ 2018-12-20 03:36:00
○ 2026-07-28 12:28:18

○MXin.mx.ifl.net2016-12-19 → 2018-12-20 · 4 obs

● 2016-12-19 04:46:22
● 2018-12-20 03:36:00
○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

●MXklsstudents-com.mail.protection.outlook.com2026-07-08 → 2026-07-28 · 3 obs

○ 2018-12-20 03:36:00
● 2026-07-08 21:17:04
● 2026-07-28 12:28:18

●A104.21.20.262026-07-08 → 2026-07-28 · 3 obs

○ 2018-12-20 03:36:00
● 2026-07-08 21:17:04
● 2026-07-28 12:28:18

○A104.28.10.1382018-12-20 → 2018-12-20 · 4 obs

○ 2016-12-19 04:46:22
● 2018-12-20 03:36:00
○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

○A104.28.11.1382018-12-20 → 2018-12-20 · 4 obs

○ 2016-12-19 04:46:22
● 2018-12-20 03:36:00
○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

●A172.67.190.2512026-07-08 → 2026-07-28 · 3 obs

○ 2018-12-20 03:36:00
● 2026-07-08 21:17:04
● 2026-07-28 12:28:18

○A184.168.221.562016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 04:46:22
○ 2018-12-20 03:36:00
○ 2026-07-28 12:28:18

○A188.114.96.02026-07-08 → 2026-07-28 · 2 obs

○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

○A188.114.97.02026-07-08 → 2026-07-28 · 2 obs

○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

○A2606:4700:30::681c:a8a2018-12-20 → 2018-12-20 · 4 obs

○ 2016-12-19 04:46:22
● 2018-12-20 03:36:00
○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

○A2606:4700:30::681c:b8a2018-12-20 → 2018-12-20 · 4 obs

○ 2016-12-19 04:46:22
● 2018-12-20 03:36:00
○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

●A2606:4700:3035::ac43:befb2026-07-08 → 2026-07-28 · 3 obs

○ 2018-12-20 03:36:00
● 2026-07-08 21:17:04
● 2026-07-28 12:28:18

●A2606:4700:3037::6815:141a2026-07-08 → 2026-07-28 · 3 obs

○ 2018-12-20 03:36:00
● 2026-07-08 21:17:04
● 2026-07-28 12:28:18

○A2a06:98c1:3120::2026-07-08 → 2026-07-28 · 2 obs

○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

○A2a06:98c1:3121::2026-07-08 → 2026-07-28 · 2 obs

○ 2026-07-08 21:17:04
○ 2026-07-28 12:28:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...	-
klsstudents.com	emily.ns.cloudflare.com, derek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.154

NS records: emily.ns.cloudflare.com, derek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for klsstudents.com (unsigned zone)

⏱️ Timing

Total: 141ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.20.26, 172.67.190.251`
AAAA	2	`2606:4700:3035::ac43:befb, 2606:4700:3037::6815:141a`
NS	2	`derek.ns.cloudflare.com, emily.ns.cloudflare.com`
MX	1	`klsstudents-com.mail.protection.outlook.`
TXT	5	`JZkdekDPPvsTSeNrETr+mG1U8Vukb2dB9erObsYF, apple-domain-verification=Eq7BNBLdGe4bI3...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`derek.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

klsstudents.com has four IP addresses: 104.21.20.26, 172.67.190.251, 2606:4700:3035::ac43:befb and 2606:4700:3037::6815:141a.

formulaf1.es, www.golpifer.pt.cdn.cloudflare.net, flirtymood.live plus two other host names have IP numbers in common with klsstudents.com.

Name Servers

klsstudents.com uses two name servers for its delegation: derek.ns.cloudflare.com and emily.ns.cloudflare.com.

The name server configuration of klsstudents.com is shared with other domains, for instance bandai.pro, baets.com, yhi.com.sg and two others.

klsstudents.com has at least partial name server overlap with other domains, such as 2fraud.pro, casacolor.ro, codey.net.au and two others.

It is common to find these name servers paired with the name servers aryanna.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname derek.ns.cloudflare.com directs to 108.162.193.154, 172.64.33.154 and 173.245.59.154 along with 3 other IP addresses.

Hostname emily.ns.cloudflare.com directs to 108.162.192.155, 172.64.32.155 and 173.245.58.155 along with 3 other IP addresses.

Mail Servers

klsstudents.com uses one mail server — klsstudents-com.mail.protection.outlook.com.

klsstudents-com.mail.protection.outlook.com has 8 IP addresses: 52.101.89.0, 52.101.89.1, 52.101.89.2 plus 5 more.

klsstudents.com - robtex.com

klsstudents.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`klsstudents.com`

`com`