prep4king.com - dns.ninja

prep4king.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5816🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:abfa🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.22Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.250🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScash.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcash.ns.cloudflare.com
A2803:f800:50::6ca2:c151🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcash.ns.cloudflare.com
A2a06:98c1:50::ac40:2151🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcash.ns.cloudflare.com
A108.162.193.81🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcash.ns.cloudflare.com
A172.64.33.81🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcash.ns.cloudflare.com
A173.245.59.81🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcash.ns.cloudflare.com
NSulla.ns.cloudflare.com
A2606:4700:50::adf5:3ae9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRulla.ns.cloudflare.com
A2803:f800:50::6ca2:c0e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRulla.ns.cloudflare.com
A2a06:98c1:50::ac40:20e9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRulla.ns.cloudflare.com
A108.162.192.233🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRulla.ns.cloudflare.com
A172.64.32.233🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRulla.ns.cloudflare.com
A173.245.58.233🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRulla.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.22, 172.67.171.250
IPv6 hints2606:4700:3031::6815:5816, 2606:4700:3037::ac43:abfa
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=150, name=cloudflare-ech.com
SOAcash.ns.cloudflare.comdns@cloudflare.com serial=2405992969

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=1782274015
rank #614735 globally
rank #266425 in the tld

Same first word

prep4king.com

DNS History

12 records (6 active, 6 former)

201820192020202120222023202420252026NScash.ns.cloudflare.comulla.ns.cloudflare.comA104.21.88.22172.67.171.2502606:4700:3031::6815:58162606:4700:3037::ac43:abfa104.27.168.202104.27.169.2022400:cb00:2048:1::681b:a8ca2400:cb00:2048:1::681b:a9ca2606:4700:3030::6815:58162606:4700:3035::ac43:abfa
●NScash.ns.cloudflare.com2017-10-09 → 2026-06-24 · 2 obs
● 2017-10-09 16:21:10
● 2026-06-24 04:22:02
●NSulla.ns.cloudflare.com2017-10-09 → 2026-06-24 · 2 obs
● 2017-10-09 16:21:10
● 2026-06-24 04:22:02
●A104.21.88.222026-02-19 → 2026-06-24 · 3 obs
○ 2017-10-09 16:21:10
● 2026-02-19 14:03:28
● 2026-06-24 04:22:02
○A104.27.168.2022017-10-09 → 2017-10-09 · 3 obs
● 2017-10-09 16:21:10
○ 2026-02-19 14:03:28
○ 2026-06-24 04:22:02
○A104.27.169.2022017-10-09 → 2017-10-09 · 3 obs
● 2017-10-09 16:21:10
○ 2026-02-19 14:03:28
○ 2026-06-24 04:22:02
●A172.67.171.2502026-02-19 → 2026-06-24 · 3 obs
○ 2017-10-09 16:21:10
● 2026-02-19 14:03:28
● 2026-06-24 04:22:02
○A2400:cb00:2048:1::681b:a8ca2017-10-09 → 2017-10-09 · 3 obs
● 2017-10-09 16:21:10
○ 2026-02-19 14:03:28
○ 2026-06-24 04:22:02
○A2400:cb00:2048:1::681b:a9ca2017-10-09 → 2017-10-09 · 3 obs
● 2017-10-09 16:21:10
○ 2026-02-19 14:03:28
○ 2026-06-24 04:22:02
○A2606:4700:3030::6815:58162026-02-19 → 2026-05-25 · 4 obs
○ 2017-10-09 16:21:10
● 2026-02-19 14:03:28
● 2026-05-25 15:00:06
○ 2026-06-24 04:22:02
●A2606:4700:3031::6815:58162026-06-24 → 2026-06-24 · 2 obs
○ 2026-05-25 15:00:06
● 2026-06-24 04:22:02
○A2606:4700:3035::ac43:abfa2026-02-19 → 2026-05-25 · 4 obs
○ 2017-10-09 16:21:10
● 2026-02-19 14:03:28
● 2026-05-25 15:00:06
○ 2026-06-24 04:22:02
●A2606:4700:3037::ac43:abfa2026-06-24 → 2026-06-24 · 2 obs
○ 2026-05-25 15:00:06
● 2026-06-24 04:22:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...-
prep4king.comulla.ns.cloudflare.com, cash.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.81

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prep4king.com (unsigned zone)

⏱️ Timing

Total: 178ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.88.22, 172.67.171.250
AAAA22606:4700:3031::6815:5816, 2606:4700:3037::ac43:abfa
NS2cash.ns.cloudflare.com, ulla.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cash.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

prep4king.com has four IP addresses: 104.21.88.22, 172.67.171.250, 2606:4700:3031::6815:5816 and 2606:4700:3037::ac43:abfa.

Additional host names — 21fhc.com, gsscp.com, 9x5.ru and two others — share IP numbers with prep4king.com.

Name Servers

Two name servers handle the delegation for prep4king.com: cash.ns.cloudflare.com and ulla.ns.cloudflare.com.

prep4king.com shares its name server setup with other domains, including exams-boost.com, zertpruefung.ch, jpntest.com and two others.

prep4king.com shares at least some of its name servers with other domains, including lasd.lv, andersonheatingandairconditioning.com, industrialfloorworks.com and two others.

These name servers are frequently paired with the name servers clay.ns.cloudflare.com and jessica.ns.cloudflare.com.

Host names with 6 IP numbers:

cash.ns.cloudflare.com resolves to 108.162.193.81, 172.64.33.81 and 173.245.59.81 among others, with 3 other IP addresses in total.

ulla.ns.cloudflare.com resolves to 108.162.192.233, 172.64.32.233 and 173.245.58.233 among others, with 3 other IP addresses in total.