zkchedu.com - robtex.com

zkchedu.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5d5d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d07e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.93.93Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.126🇺🇸 Cloudflare172.67.208.0/20 , 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
PTRkyree.ns.cloudflare.com
A162.159.44.207Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
A172.64.35.207🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
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 hints104.21.93.93, 172.67.208.126
IPv6 hints2606:4700:3033::6815:5d5d, 2606:4700:3037::ac43:d07e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com
SOAkyree.ns.cloudflare.comdns@cloudflare.com serial=2407907713

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=1782645405
rank #954110 globally
rank #434121 in the tld

Same first word

zkchedu.com

Similar names

hzckedu.com
zkhcedu.com
zhckedu.com

DNS History

12 records (6 active, 6 former)

2020202120222023202420252026NSkyree.ns.cloudflare.comnicole.ns.cloudflare.comns1.dns.comns2.dns.comns33.domaincontrol.comns34.domaincontrol.comA104.21.93.93172.67.208.1262606:4700:3033::6815:5d5d2606:4700:3037::ac43:d07e107.163.47.21450.63.202.38
●NSkyree.ns.cloudflare.com2026-06-28 → 2026-06-28 · 2 obs
○ 2026-06-16 14:16:56
● 2026-06-28 11:34:00
●NSnicole.ns.cloudflare.com2026-06-28 → 2026-06-28 · 2 obs
○ 2026-06-16 14:16:56
● 2026-06-28 11:34:00
○NSns1.dns.com2026-05-22 → 2026-06-16 · 4 obs
○ 2019-12-14 00:36:58
● 2026-05-22 07:10:46
● 2026-06-16 14:16:56
○ 2026-06-28 11:34:00
○NSns2.dns.com2026-05-22 → 2026-06-16 · 4 obs
○ 2019-12-14 00:36:58
● 2026-05-22 07:10:46
● 2026-06-16 14:16:56
○ 2026-06-28 11:34:00
○NSns33.domaincontrol.com2019-12-14 → 2019-12-14 · 3 obs
● 2019-12-14 00:36:58
○ 2026-05-22 07:10:46
○ 2026-06-28 11:34:00
○NSns34.domaincontrol.com2019-12-14 → 2019-12-14 · 3 obs
● 2019-12-14 00:36:58
○ 2026-05-22 07:10:46
○ 2026-06-28 11:34:00
●A104.21.93.932026-06-28 → 2026-06-28 · 2 obs
○ 2026-06-16 14:16:56
● 2026-06-28 11:34:00
○A107.163.47.2142026-05-22 → 2026-06-16 · 4 obs
○ 2019-12-14 00:36:58
● 2026-05-22 07:10:46
● 2026-06-16 14:16:56
○ 2026-06-28 11:34:00
●A172.67.208.1262026-06-28 → 2026-06-28 · 2 obs
○ 2026-06-16 14:16:56
● 2026-06-28 11:34:00
●A2606:4700:3033::6815:5d5d2026-06-28 → 2026-06-28 · 2 obs
○ 2026-06-16 14:16:56
● 2026-06-28 11:34:00
●A2606:4700:3037::ac43:d07e2026-06-28 → 2026-06-28 · 2 obs
○ 2026-06-16 14:16:56
● 2026-06-28 11:34:00
○A50.63.202.382019-12-14 → 2019-12-14 · 3 obs
● 2019-12-14 00:36:58
○ 2026-05-22 07:10:46
○ 2026-06-28 11:34:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...-
zkchedu.comnicole.ns.cloudflare.com, kyree.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.211

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zkchedu.com (unsigned zone)

⏱️ Timing

Total: 133ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.93.93, 172.67.208.126
AAAA22606:4700:3037::ac43:d07e, 2606:4700:3033::6815:5d5d
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

zkchedu.com directs to four IP numbers, which are 104.21.93.93, 172.67.208.126, 2606:4700:3033::6815:5d5d and 2606:4700:3037::ac43:d07e.

Additional host names — equitybd.net, regtest.sba.com, netop.chicago.sba.com and two others — share IP numbers with zkchedu.com.

Name Servers

Two name servers handle the delegation for zkchedu.com: kyree.ns.cloudflare.com and nicole.ns.cloudflare.com.

zkchedu.com shares its name server setup with other domains, including sadeducation.com, tallemasoft.com, cchinapa.com and two others.

The name servers of zkchedu.com overlap at least partially with those of other domains — among them modellbahnzentrum-uerdingen.de, smartchecker.email, darhl.net and two more.

These name servers are frequently paired with the name servers sky.ns.cloudflare.com, peyton.ns.cloudflare.com, harley.ns.cloudflare.com and two others.

Host names with 6 IP numbers:

kyree.ns.cloudflare.com resolves to 108.162.195.207, 162.159.44.207 and 172.64.35.207 among others, with 3 other IP addresses in total.

nicole.ns.cloudflare.com resolves to 108.162.192.211, 172.64.32.211 and 173.245.58.211 among others, with 3 other IP addresses in total.