worldcat.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`worldcat.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c24e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3417^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.23^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.194.78^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ken.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ken.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ken.ns.cloudflare.com`
		A	108.162.193.127^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	172.64.33.127^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	173.245.59.127^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
NS	`magali.ns.cloudflare.com`
		A	2606:4700:50::a29f:261d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magali.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`magali.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`magali.ns.cloudflare.com`
		A	108.162.194.29^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magali.ns.cloudflare.com`
		A	162.159.38.29^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magali.ns.cloudflare.com`
		A	172.64.34.29^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magali.ns.cloudflare.com`
MX	`worldcat-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00201.inbound.protection.outlook.com`
		A	52.101.8.44^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm5pr04cu00104.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.41.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00204.inbound.protection.outlook.com`
TXT	`google-site-verification=jnPcAYyX6rNDwvaEhsiNsFhQ2zqdqh04HA2pdAQEvuI`
TXT	`google-site-verification=kd280DxyNRGH9mpAQMp8jXNApLvAO3mU2Ekp193KJO0`
TXT	`google-site-verification=xatW1KmkyT-jcBx87W2inPzPYw5m6WEWz8WfdbPU-oM`
TXT	`mandrill_verify.mSx4g49DhNiY4XIW8MTkug`
TXT	`pardot944673=14a8eb0b7bd176e3e7a9e5f8dc95b2cfff6500ec99620b87cd00828956a7e159`
TXT	`v=spf1 +ip4:162.211.86.255 +include:spf.protection.outlook.com +include:aspmx...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.23, 172.67.194.78
		IPv6 hints	2606:4700:3031::ac43:c24e, 2606:4700:3036::6815:3417
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOA	`ken.ns.cloudflare.com`dns@cloudflare.com serial=2411586103

`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=1786906089

Subdomains

www.worldcat.com

Same first word

worldcat.info

worldcat.org

worldcat.mobi

worldcat.be

worldcat.fr

worldcat.net

worldcat.com

worldcat.nl

worldcat.co

worldcat.com.cn

worldcat.de

worldcat.eu

worldcat.gr

worldcat.ru

worldcat.org.nz

Similar names

DNS History

25 records (7 active, 18 former)

●NSken.ns.cloudflare.com2026-02-15 → 2026-08-16 · 3 obs

○ 2017-09-25 07:42:46
● 2026-02-15 08:17:32
● 2026-08-16 19:13:56

●NSmagali.ns.cloudflare.com2026-02-15 → 2026-08-16 · 3 obs

○ 2017-09-25 07:42:46
● 2026-02-15 08:17:32
● 2026-08-16 19:13:56

○NSns27.domaincontrol.com2015-07-17 → 2017-09-25 · 4 obs

● 2015-07-17 09:55:40
● 2017-09-25 07:42:46
○ 2026-02-15 08:17:32
○ 2026-08-16 19:13:56

○NSns28.domaincontrol.com2015-07-17 → 2017-09-25 · 4 obs

● 2015-07-17 09:55:40
● 2017-09-25 07:42:46
○ 2026-02-15 08:17:32
○ 2026-08-16 19:13:56

○MXalt1.aspmx.l.google.com2015-07-17 → 2017-09-25 · 4 obs

● 2015-07-17 09:55:40
● 2017-09-25 07:42:46
○ 2026-02-15 08:17:32
○ 2026-08-16 19:13:56

○MXalt2.aspmx.l.google.com2015-07-17 → 2017-09-25 · 4 obs

● 2015-07-17 09:55:40
● 2017-09-25 07:42:46
○ 2026-02-15 08:17:32
○ 2026-08-16 19:13:56

○MXaspmx.l.google.com2015-07-17 → 2017-09-25 · 4 obs

● 2015-07-17 09:55:40
● 2017-09-25 07:42:46
○ 2026-02-15 08:17:32
○ 2026-08-16 19:13:56

○MXaspmx2.googlemail.com2015-07-17 → 2017-09-25 · 4 obs

● 2015-07-17 09:55:40
● 2017-09-25 07:42:46
○ 2026-02-15 08:17:32
○ 2026-08-16 19:13:56

○MXaspmx3.googlemail.com2015-07-17 → 2017-09-25 · 4 obs

● 2015-07-17 09:55:40
● 2017-09-25 07:42:46
○ 2026-02-15 08:17:32
○ 2026-08-16 19:13:56

●MXworldcat-com.mail.protection.outlook.com2026-02-15 → 2026-08-16 · 3 obs

○ 2017-09-25 07:42:46
● 2026-02-15 08:17:32
● 2026-08-16 19:13:56

●A104.21.52.232026-02-15 → 2026-08-16 · 9 obs

○ 2017-09-25 07:42:46
● 2026-02-15 08:17:32
● 2026-05-24 03:29:46
○ 2026-06-04 00:13:40
○ 2026-06-04 18:44:14
● 2026-06-06 19:45:32
○ 2026-06-30 23:39:56
● 2026-07-02 17:44:38
● 2026-08-16 19:13:56

●A172.67.194.782026-02-15 → 2026-08-16 · 9 obs

○A188.114.96.02026-06-04 → 2026-06-30 · 6 obs

○ 2026-06-04 00:13:40
● 2026-06-04 18:44:14
○ 2026-06-06 19:45:32
● 2026-06-30 23:39:56
○ 2026-07-02 17:44:38
○ 2026-08-16 19:13:56

○A188.114.96.42026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-24 03:29:46
● 2026-06-04 00:13:40
○ 2026-06-04 18:44:14
○ 2026-08-16 19:13:56

○A188.114.97.02026-06-04 → 2026-06-30 · 6 obs

○ 2026-06-04 00:13:40
● 2026-06-04 18:44:14
○ 2026-06-06 19:45:32
● 2026-06-30 23:39:56
○ 2026-07-02 17:44:38
○ 2026-08-16 19:13:56

○A188.114.97.42026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-24 03:29:46
● 2026-06-04 00:13:40
○ 2026-06-04 18:44:14
○ 2026-08-16 19:13:56

○A198.1.121.1672015-07-17 → 2017-09-25 · 4 obs

● 2015-07-17 09:55:40
● 2017-09-25 07:42:46
○ 2026-02-15 08:17:32
○ 2026-08-16 19:13:56

○A2606:4700:3030::6815:34172026-02-15 → 2026-06-06 · 8 obs

○ 2017-09-25 07:42:46
● 2026-02-15 08:17:32
● 2026-05-24 03:29:46
○ 2026-06-04 00:13:40
○ 2026-06-04 18:44:14
● 2026-06-06 19:45:32
○ 2026-06-30 23:39:56
○ 2026-08-16 19:13:56

●A2606:4700:3031::ac43:c24e2026-07-02 → 2026-08-16 · 3 obs

○ 2026-06-30 23:39:56
● 2026-07-02 17:44:38
● 2026-08-16 19:13:56

●A2606:4700:3036::6815:34172026-07-02 → 2026-08-16 · 3 obs

○ 2026-06-30 23:39:56
● 2026-07-02 17:44:38
● 2026-08-16 19:13:56

○A2606:4700:3036::ac43:c24e2026-02-15 → 2026-06-06 · 8 obs

○ 2017-09-25 07:42:46
● 2026-02-15 08:17:32
● 2026-05-24 03:29:46
○ 2026-06-04 00:13:40
○ 2026-06-04 18:44:14
● 2026-06-06 19:45:32
○ 2026-06-30 23:39:56
○ 2026-08-16 19:13:56

○A2a06:98c1:3120::2026-06-04 → 2026-06-30 · 6 obs

○ 2026-06-04 00:13:40
● 2026-06-04 18:44:14
○ 2026-06-06 19:45:32
● 2026-06-30 23:39:56
○ 2026-07-02 17:44:38
○ 2026-08-16 19:13:56

○A2a06:98c1:3120::42026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-24 03:29:46
● 2026-06-04 00:13:40
○ 2026-06-04 18:44:14
○ 2026-08-16 19:13:56

○A2a06:98c1:3121::2026-06-04 → 2026-06-30 · 6 obs

○ 2026-06-04 00:13:40
● 2026-06-04 18:44:14
○ 2026-06-06 19:45:32
● 2026-06-30 23:39:56
○ 2026-07-02 17:44:38
○ 2026-08-16 19:13:56

○A2a06:98c1:3121::42026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-24 03:29:46
● 2026-06-04 00:13:40
○ 2026-06-04 18:44:14
○ 2026-08-16 19:13:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
worldcat.com	ken.ns.cloudflare.com, magali.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.29

NS records: ken.ns.cloudflare.com, magali.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for worldcat.com (unsigned zone)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.52.23, 172.67.194.78`
AAAA	2	`2606:4700:3036::6815:3417, 2606:4700:3031::ac43:c24e`
NS	2	`ken.ns.cloudflare.com, magali.ns.cloudflare.com`
MX	1	`worldcat-com.mail.protection.outlook.com`
TXT	6	`google-site-verification=jnPcAYyX6rNDwva, google-site-verification=kd280DxyNRGH9mp...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ken.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

worldcat.com is a parent domain of www.worldcat.com.

IP Addresses

worldcat.com resolves to four IP addresses: 104.21.52.23, 172.67.194.78, 2606:4700:3031::ac43:c24e and 2606:4700:3036::6815:3417.

Additional host names — fdxbz.com, rdfsh.com, 535312.cn and two others — share IP numbers with worldcat.com.

Name Servers

worldcat.com uses two name servers for its delegation: ken.ns.cloudflare.com and magali.ns.cloudflare.com.

worldcat.com shares its name server setup with other domains, including jawynsilvariivelo.com, lefameriasari.com, vonatarim.com and two others.

worldcat.com shares at least some of its name servers with other domains, including 17.175.107.in-addr.arpa, birdland.info, chfffc.vip and two others.

These name servers are frequently paired with the name servers lisa.ns.cloudflare.com and elijah.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname ken.ns.cloudflare.com directs to 108.162.193.127, 172.64.33.127 and 173.245.59.127 along with 3 other IP addresses.

Hostname magali.ns.cloudflare.com directs to 108.162.194.29, 162.159.38.29 and 172.64.34.29 along with 3 other IP addresses.

Mail Servers

worldcat.com has one mail server: worldcat-com.mail.protection.outlook.com.

worldcat-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.8.44, 52.101.9.11, 52.101.10.16 and 5 other.