codebookprep.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codebookprep.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:3ae1^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d156^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.225^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.86^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`jocelyn.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jocelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jocelyn.ns.cloudflare.com`
		A	108.162.192.174^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	172.64.32.174^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	173.245.58.174^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
TXT	`google-site-verification=yQRsm6aBYab0JFSAT4rGI3CAKjqHJMJRKC_B358PFtg`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.225, 172.67.209.86
		IPv6 hints	2606:4700:3036::6815:3ae1, 2606:4700:3036::ac43:d156
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2413868253

`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=1789498343

Same first word

codebookprep.com

codebookprep.pages.dev

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NScurt.ns.cloudflare.com2026-09-07 → 2026-09-15 · 2 obs

● 2026-09-07 09:17:12
● 2026-09-15 19:19:52

●NSjocelyn.ns.cloudflare.com2026-09-07 → 2026-09-15 · 2 obs

● 2026-09-07 09:17:12
● 2026-09-15 19:19:52

●A104.21.58.2252026-09-07 → 2026-09-15 · 2 obs

● 2026-09-07 09:17:12
● 2026-09-15 19:19:52

●A172.67.209.862026-09-07 → 2026-09-15 · 2 obs

● 2026-09-07 09:17:12
● 2026-09-15 19:19:52

●A2606:4700:3036::6815:3ae12026-09-07 → 2026-09-15 · 2 obs

● 2026-09-07 09:17:12
● 2026-09-15 19:19:52

●A2606:4700:3036::ac43:d1562026-09-07 → 2026-09-15 · 2 obs

● 2026-09-07 09:17:12
● 2026-09-15 19:19:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
codebookprep.com	curt.ns.cloudflare.com, jocelyn.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.94

NS records: curt.ns.cloudflare.com, jocelyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codebookprep.com (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.209.86, 104.21.58.225`
AAAA	2	`2606:4700:3036::ac43:d156, 2606:4700:3036::6815:3ae1`
NS	2	`curt.ns.cloudflare.com, jocelyn.ns.cloudflare.com`
TXT	1	`google-site-verification=yQRsm6aBYab0JFS`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

codebookprep.com resolves to four IP addresses: 104.21.58.225, 172.67.209.86, 2606:4700:3036::6815:3ae1 and 2606:4700:3036::ac43:d156.

Two other host names, along with yellowcar.co.uk, ovo777.it.com and tamiilgun.com, also share IP numbers with codebookprep.com.

Name Servers

DNS delegation for codebookprep.com points to two name servers: curt.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

codebookprep.com shares its NS records with other domains, for example krakowtourguide.info, tlumaczprzysiegly.uk, site-bb02ae98.pages.dev and two others.

codebookprep.com shares at least some of its name servers with other domains, including kreators.army, hintfilmkeyfi.com, helena-zengel-net-worth.pages.dev and two others.

These name servers are frequently paired with the name servers piper.ns.cloudflare.com, guy.ns.cloudflare.com and walk.ns.cloudflare.com.

DNS names with 6 IP addresses:

curt.ns.cloudflare.com has IP addresses 108.162.193.94, 172.64.33.94 and 173.245.59.94, plus 3 other.

jocelyn.ns.cloudflare.com has IP addresses 108.162.192.174, 172.64.32.174 and 173.245.58.174, plus 3 other.