krt-school.com - robtex.com

krt-school.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2f5e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:9262🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.94Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.98🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkyree.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ccf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
A2803:f800:50::6ca2:c3cf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkyree.ns.cloudflare.com
A2a06:98c1:50::ac40:23cf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkyree.ns.cloudflare.com
A108.162.195.207🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.44.207Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.35.207🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSnicole.ns.cloudflare.com
A2606:4700:50::adf5:3ad3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A2803:f800:50::6ca2:c0d3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnicole.ns.cloudflare.com
A2a06:98c1:50::ac40:20d3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnicole.ns.cloudflare.com
A108.162.192.211🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A172.64.32.211🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A173.245.58.211🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.47.94, 172.67.146.98
IPv6 hints2606:4700:3030::6815:2f5e, 2606:4700:3034::ac43:9262
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=4, name=cloudflare-ech.com
SOAkyree.ns.cloudflare.comdns@cloudflare.com serial=2407903825

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782560205

Same first word

krt-school.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSkyree.ns.cloudflare.comnicole.ns.cloudflare.comns1.dns.comns1.easycgi.comns2.dns.comns2.easycgi.comMXmx.krt-school.comA104.21.47.94172.67.146.982606:4700:3030::6815:2f5e2606:4700:3034::ac43:9262107.163.47.24066.96.143.163
●NSkyree.ns.cloudflare.com2026-06-27 → 2026-06-27 · 3 obs
○ 2026-06-16 17:56:46
● 2026-06-27 12:07:02
● 2026-06-27 12:07:04
●NSnicole.ns.cloudflare.com2026-06-27 → 2026-06-27 · 3 obs
○ 2026-06-16 17:56:46
● 2026-06-27 12:07:02
● 2026-06-27 12:07:04
○NSns1.dns.com2026-06-16 → 2026-06-16 · 4 obs
○ 2017-06-30 15:05:04
● 2026-06-16 17:56:46
○ 2026-06-27 12:07:02
○ 2026-06-27 12:07:04
○NSns1.easycgi.com2015-08-13 → 2017-06-30 · 4 obs
● 2015-08-13 20:26:44
● 2017-06-30 15:05:04
○ 2026-06-16 17:56:46
○ 2026-06-27 12:07:04
○NSns2.dns.com2026-06-16 → 2026-06-16 · 4 obs
○ 2017-06-30 15:05:04
● 2026-06-16 17:56:46
○ 2026-06-27 12:07:02
○ 2026-06-27 12:07:04
○NSns2.easycgi.com2015-08-13 → 2017-06-30 · 4 obs
● 2015-08-13 20:26:44
● 2017-06-30 15:05:04
○ 2026-06-16 17:56:46
○ 2026-06-27 12:07:04
○MXmx.krt-school.com2015-08-13 → 2017-06-30 · 4 obs
● 2015-08-13 20:26:44
● 2017-06-30 15:05:04
○ 2026-06-16 17:56:46
○ 2026-06-27 12:07:04
●A104.21.47.942026-06-27 → 2026-06-27 · 3 obs
○ 2026-06-16 17:56:46
● 2026-06-27 12:07:02
● 2026-06-27 12:07:04
○A107.163.47.2402026-06-16 → 2026-06-16 · 4 obs
○ 2017-06-30 15:05:04
● 2026-06-16 17:56:46
○ 2026-06-27 12:07:02
○ 2026-06-27 12:07:04
●A172.67.146.982026-06-27 → 2026-06-27 · 3 obs
○ 2026-06-16 17:56:46
● 2026-06-27 12:07:02
● 2026-06-27 12:07:04
●A2606:4700:3030::6815:2f5e2026-06-27 → 2026-06-27 · 3 obs
○ 2026-06-16 17:56:46
● 2026-06-27 12:07:02
● 2026-06-27 12:07:04
●A2606:4700:3034::ac43:92622026-06-27 → 2026-06-27 · 3 obs
○ 2026-06-16 17:56:46
● 2026-06-27 12:07:02
● 2026-06-27 12:07:04
○A66.96.143.1632015-08-13 → 2017-06-30 · 4 obs
● 2015-08-13 20:26:44
● 2017-06-30 15:05:04
○ 2026-06-16 17:56:46
○ 2026-06-27 12:07:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
krt-school.comnicole.ns.cloudflare.com, kyree.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.207

NS records: nicole.ns.cloudflare.com, kyree.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for krt-school.com (unsigned zone)

⏱️ Timing

Total: 114ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.146.98, 104.21.47.94
AAAA22606:4700:3030::6815:2f5e, 2606:4700:3034::ac43:9262
NS2kyree.ns.cloudflare.com, nicole.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kyree.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

krt-school.com points to the four IP addresses 104.21.47.94, 172.67.146.98, 2606:4700:3030::6815:2f5e and 2606:4700:3034::ac43:9262.

Additional host names — drgunderman.com, encerradoparaobras.com, jeffreychang.org and two others — share IP numbers with krt-school.com.

Name Servers

krt-school.com uses two name servers for its delegation: kyree.ns.cloudflare.com and nicole.ns.cloudflare.com.

krt-school.com shares its name server setup with other domains, including softbank119.com, mrdbj.com, euqijs.com and two others.

At least some of krt-school.com's name servers are shared with other domains, for example infotrad.fr, ur-problem.net, mattress.review and two more.

These name servers tend to be deployed in combination with the name servers sky.ns.cloudflare.com and harley.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname kyree.ns.cloudflare.com directs to 108.162.195.207, 162.159.44.207 and 172.64.35.207 along with 3 other IP addresses.

Hostname nicole.ns.cloudflare.com directs to 108.162.192.211, 172.64.32.211 and 173.245.58.211 along with 3 other IP addresses.