`crearunlibro.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9f9d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3256^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.86^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.157^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`olga.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
NS	`zod.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zod.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zod.ns.cloudflare.com`
		A	108.162.193.250^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	172.64.33.250^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	173.245.59.250^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.50.86, 172.67.159.157
		IPv6	2606:4700:3031::ac43:9f9d, 2606:4700:3035::6815:3256
SOA	`olga.ns.cloudflare.com`dns@cloudflare.com serial=2395987099

`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=1771291435

Same first word

crearunlibro.com

DNS History

6 records (6 active, 0 former)

●NSolga.ns.cloudflare.com2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 13:51:52
● 2026-03-23 20:41:44

●NSzod.ns.cloudflare.com2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 13:51:52
● 2026-03-23 20:41:44

●A104.21.50.862026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 13:51:52
● 2026-03-23 20:41:44

●A172.67.159.1572026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 13:51:52
● 2026-03-23 20:41:44

●A2606:4700:3031::ac43:9f9d2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 13:51:52
● 2026-03-23 20:41:44

●A2606:4700:3035::6815:32562026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 13:51:52
● 2026-03-23 20:41:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...	-
crearunlibro.com	olga.ns.cloudflare.com, zod.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.250

NS records: olga.ns.cloudflare.com, zod.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crearunlibro.com (unsigned zone)

⏱️ Timing

Total: 548ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.86, 172.67.159.157`
AAAA	2	`2606:4700:3035::6815:3256, 2606:4700:3031::ac43:9f9d`
NS	2	`olga.ns.cloudflare.com, zod.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`olga.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

crearunlibro.com points to four IP numbers: 2606:4700:3031::ac43:9f9d, 2606:4700:3035::6815:3256, 104.21.50.86 and 172.67.159.157.

Other host names, for instance aimcarromapp.com, gtechfoundation.org, ritchielinao.com, dmkb.net.cn and abcpubs.com share IP numbers with crearunlibro.com.

Name Servers

crearunlibro.com is delegated to two name servers: olga.ns.cloudflare.com and zod.ns.cloudflare.com.

crearunlibro.com uses the same name server setup as other domains, for instance booklydoo.com, s-bruck.co.il, fawnit.com, vjunion.net and grupodsp.com.

crearunlibro.com shares name servers with other domains at least partially, for instance chena.com, inkarnate.com, multitecs.com.br, henningsbusser.dk and shuangyashan-huadian.com.

These name servers are often used with hugh.ns.cloudflare.com, carl.ns.cloudflare.com, seth.ns.cloudflare.com, nitin.ns.cloudflare.com and tim.ns.cloudflare.com.

Host names with six IP numbers: olga.ns.cloudflare.com points to 2606:4700:50::adf5:3a89, 2803:f800:50::6ca2:c089, 2a06:98c1:50::ac40:2089, 108.162.192.137, 172.64.32.137 and 173.245.58.137; zod.ns.cloudflare.com points to 2606:4700:58::adf5:3bfa, 2803:f800:50::6ca2:c1fa, 2a06:98c1:50::ac40:21fa, 108.162.193.250, 172.64.33.250 and 173.245.59.250.

crearunlibro.com - robtex.com