`elfinbook.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:15f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:80f9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.95^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.249^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carmelo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carmelo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c381^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carmelo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2381^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carmelo.ns.cloudflare.com`
		A	108.162.195.129^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carmelo.ns.cloudflare.com`
		A	162.159.44.129^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carmelo.ns.cloudflare.com`
		A	172.64.35.129^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carmelo.ns.cloudflare.com`
NS	`kimora.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kimora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kimora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kimora.ns.cloudflare.com`
		A	108.162.194.243^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kimora.ns.cloudflare.com`
		A	162.159.38.243^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kimora.ns.cloudflare.com`
		A	172.64.34.243^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kimora.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.95, 172.67.128.249
		IPv6 hints	2606:4700:3033::6815:15f, 2606:4700:3035::ac43:80f9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com
SOA	`carmelo.ns.cloudflare.com`dns@cloudflare.com serial=2408744052

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759729387

Same first word

elfinbook.co

elfinbook.com

Similar names

lifenbook.com

booknlife.com

DNS History

15 records (6 active, 9 former)

●NScarmelo.ns.cloudflare.com2026-07-23 → 2026-08-10 · 3 obs

○ 2026-04-07 15:57:18
● 2026-07-23 08:51:16
● 2026-08-10 06:58:48

●NSkimora.ns.cloudflare.com2026-07-23 → 2026-08-10 · 3 obs

○ 2026-04-07 15:57:18
● 2026-07-23 08:51:16
● 2026-08-10 06:58:48

○NSns59.domaincontrol.com2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 09:37:26
○ 2026-04-07 15:57:18
○ 2026-08-10 06:58:48

○NSns60.domaincontrol.com2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 09:37:26
○ 2026-04-07 15:57:18
○ 2026-08-10 06:58:48

○MXmx.zoho.com2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 09:37:26
○ 2026-04-07 15:57:18
○ 2026-08-10 06:58:48

○MXmx2.zoho.com2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 09:37:26
○ 2026-04-07 15:57:18
○ 2026-08-10 06:58:48

●A104.21.1.952026-07-24 → 2026-08-10 · 3 obs

○ 2026-07-23 08:51:16
● 2026-07-24 10:17:56
● 2026-08-10 06:58:48

●A172.67.128.2492026-07-24 → 2026-08-10 · 3 obs

○ 2026-07-23 08:51:16
● 2026-07-24 10:17:56
● 2026-08-10 06:58:48

○A188.114.96.02026-07-23 → 2026-07-23 · 4 obs

○ 2026-04-07 15:57:18
● 2026-07-23 08:51:16
○ 2026-07-24 10:17:56
○ 2026-08-10 06:58:48

○A188.114.97.02026-07-23 → 2026-07-23 · 4 obs

○ 2026-04-07 15:57:18
● 2026-07-23 08:51:16
○ 2026-07-24 10:17:56
○ 2026-08-10 06:58:48

○A23.227.38.322018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 09:37:26
○ 2026-04-07 15:57:18
○ 2026-08-10 06:58:48

●A2606:4700:3033::6815:15f2026-07-24 → 2026-08-10 · 3 obs

○ 2026-07-23 08:51:16
● 2026-07-24 10:17:56
● 2026-08-10 06:58:48

●A2606:4700:3035::ac43:80f92026-07-24 → 2026-08-10 · 3 obs

○ 2026-07-23 08:51:16
● 2026-07-24 10:17:56
● 2026-08-10 06:58:48

○A2a06:98c1:3120::2026-07-23 → 2026-07-23 · 4 obs

○ 2026-04-07 15:57:18
● 2026-07-23 08:51:16
○ 2026-07-24 10:17:56
○ 2026-08-10 06:58:48

○A2a06:98c1:3121::2026-07-23 → 2026-07-23 · 4 obs

○ 2026-04-07 15:57:18
● 2026-07-23 08:51:16
○ 2026-07-24 10:17:56
○ 2026-08-10 06:58:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co	-
elfinbook.co	kimora.ns.cloudflare.com, carmelo.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.129

NS records: kimora.ns.cloudflare.com, carmelo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for elfinbook.co (unsigned zone)

⏱️ Timing

Total: 290ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.128.249, 104.21.1.95`
AAAA	2	`2606:4700:3033::6815:15f, 2606:4700:3035::ac43:80f9`
NS	2	`carmelo.ns.cloudflare.com, kimora.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carmelo.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

elfinbook.co has four IP addresses: 104.21.1.95, 172.67.128.249, 2606:4700:3033::6815:15f and 2606:4700:3035::ac43:80f9.

Two other host names, along with viewbuilt.com.au, mewlists.com and tabibiraq.com, also share IP numbers with elfinbook.co.

Name Servers

Two name servers handle the delegation for elfinbook.co: carmelo.ns.cloudflare.com and kimora.ns.cloudflare.com.

elfinbook.co shares its NS records with other domains, for example jenniferjeffries.me, harryshumjr.net, ao8899.info and two others.

elfinbook.co shares at least some of its name servers with other domains, including gw4e5j45yw.shop, fssc22000.com, ghowc.com and two others.

These name servers are frequently seen alongside the name servers mina.ns.cloudflare.com.

DNS names with 6 IP addresses:

carmelo.ns.cloudflare.com resolves to 108.162.195.129, 162.159.44.129 and 172.64.35.129 among others, with 3 other IP addresses in total.

kimora.ns.cloudflare.com resolves to 108.162.194.243, 162.159.38.243 and 172.64.34.243 among others, with 3 other IP addresses in total.

elfinbook.co - robtex.com

elfinbook.co

co

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`elfinbook.co`

`co`