coizen.com - dns.ninja

`coizen.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:1024^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a613^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.36^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.19^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jihoon.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jihoon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jihoon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jihoon.ns.cloudflare.com`
		A	108.162.195.233^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jihoon.ns.cloudflare.com`
		A	162.159.44.233^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jihoon.ns.cloudflare.com`
		A	172.64.35.233^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jihoon.ns.cloudflare.com`
NS	`vivienne.ns.cloudflare.com`
		A	2606:4700:50::a29f:2632^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c232^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vivienne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2232^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vivienne.ns.cloudflare.com`
		A	108.162.194.50^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	162.159.38.50^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	172.64.34.50^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=Sq_f4ohGxzGsblMI98YSLLS2ym2K2DPZ8mTLT2zywGo`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.36, 172.67.166.19
		IPv6 hints	2606:4700:3035::6815:1024, 2606:4700:3035::ac43:a613
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com
SOA	`jihoon.ns.cloudflare.com`dns@cloudflare.com serial=2412097602

`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=1786734939

Same first word

coizen.com

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incoze.cn

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zineco.com

iczone.com

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zinceo.com

DNS History

23 records (11 active, 12 former)

○NSelinore.ns.cloudflare.com2017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 08:13:44
○ 2026-02-16 05:08:50
○ 2026-08-14 19:30:28

●NSjihoon.ns.cloudflare.com2026-02-16 → 2026-08-14 · 3 obs

○ 2017-08-13 08:13:44
● 2026-02-16 05:08:50
● 2026-08-14 19:30:28

○NSkirk.ns.cloudflare.com2017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 08:13:44
○ 2026-02-16 05:08:50
○ 2026-08-14 19:30:28

●NSvivienne.ns.cloudflare.com2026-02-16 → 2026-08-14 · 3 obs

○ 2017-08-13 08:13:44
● 2026-02-16 05:08:50
● 2026-08-14 19:30:28

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-08-14 · 2 obs

● 2026-02-16 05:08:50
● 2026-08-14 19:30:28

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-08-14 · 2 obs

● 2026-02-16 05:08:50
● 2026-08-14 19:30:28

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-08-14 · 2 obs

● 2026-02-16 05:08:50
● 2026-08-14 19:30:28

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-08-14 · 2 obs

● 2026-02-16 05:08:50
● 2026-08-14 19:30:28

●MXaspmx.l.google.com2026-02-16 → 2026-08-14 · 2 obs

● 2026-02-16 05:08:50
● 2026-08-14 19:30:28

●A104.21.16.362026-02-16 → 2026-08-14 · 12 obs

○ 2017-08-13 08:13:44
● 2026-02-16 05:08:50
○ 2026-03-05 08:16:50
● 2026-03-26 18:25:56
● 2026-03-27 17:30:06
○ 2026-04-06 21:39:14
● 2026-05-01 07:10:20
○ 2026-05-19 02:30:16
● 2026-06-07 05:33:22
● 2026-06-08 23:01:52
○ 2026-06-15 06:46:20
● 2026-08-14 19:30:28

○A104.31.88.32017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 08:13:44
○ 2026-02-16 05:08:50
○ 2026-08-14 19:30:28

○A104.31.89.32017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 08:13:44
○ 2026-02-16 05:08:50
○ 2026-08-14 19:30:28

●A172.67.166.192026-02-16 → 2026-08-14 · 12 obs

○A188.114.96.02026-03-05 → 2026-06-15 · 11 obs

○ 2026-02-16 05:08:50
● 2026-03-05 08:16:50
○ 2026-03-26 18:25:56
○ 2026-03-27 17:30:06
● 2026-04-06 21:39:14
○ 2026-05-01 07:10:20
● 2026-05-19 02:30:16
○ 2026-06-07 05:33:22
○ 2026-06-08 23:01:52
● 2026-06-15 06:46:20
○ 2026-08-14 19:30:28

○A188.114.97.02026-03-05 → 2026-06-15 · 11 obs

○A2400:cb00:2048:1::681f:58032017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 08:13:44
○ 2026-02-16 05:08:50
○ 2026-08-14 19:30:28

○A2400:cb00:2048:1::681f:59032017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 08:13:44
○ 2026-02-16 05:08:50
○ 2026-08-14 19:30:28

○A2606:4700:3032::ac43:a6132026-02-16 → 2026-06-08 · 12 obs

●A2606:4700:3035::6815:10242026-08-14 → 2026-08-14 · 2 obs

○ 2026-06-15 06:46:20
● 2026-08-14 19:30:28

●A2606:4700:3035::ac43:a6132026-08-14 → 2026-08-14 · 2 obs

○ 2026-06-15 06:46:20
● 2026-08-14 19:30:28

○A2606:4700:3036::6815:10242026-02-16 → 2026-06-08 · 12 obs

○A2a06:98c1:3120::2026-03-05 → 2026-06-15 · 11 obs

○A2a06:98c1:3121::2026-03-05 → 2026-06-15 · 11 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coizen.com	vivienne.ns.cloudflare.com, jihoon.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.233

NS records: vivienne.ns.cloudflare.com, jihoon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coizen.com (unsigned zone)

⏱️ Timing

Total: 883ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.36, 172.67.166.19`
AAAA	2	`2606:4700:3035::ac43:a613, 2606:4700:3035::6815:1024`
NS	2	`jihoon.ns.cloudflare.com, vivienne.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=Sq_f4ohGxzGsblM, v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jihoon.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

coizen.com points to the four IP addresses 104.21.16.36, 172.67.166.19, 2606:4700:3035::6815:1024 and 2606:4700:3035::ac43:a613.

Two other host names, along with www.ibik.biz, ibik.biz and sicbatch.com, also share IP numbers with coizen.com.

Name Servers

Two name servers handle the delegation for coizen.com: jihoon.ns.cloudflare.com and vivienne.ns.cloudflare.com.

coizen.com shares its NS records with other domains, for example ventusautoworks.com, westcomputers.com, quantumprocess.com and two others.

The name servers of coizen.com overlap at least partially with those of other domains — among them grideal.com, yimeikee.com, asterence.com and two more.

The name servers james.ns.cloudflare.com, gemma.ns.cloudflare.com and sharon.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

jihoon.ns.cloudflare.com resolves to 108.162.195.233, 162.159.44.233 and 172.64.35.233 among others, with 3 other IP addresses in total.

vivienne.ns.cloudflare.com resolves to 108.162.194.50, 162.159.38.50 and 172.64.34.50 among others, with 3 other IP addresses in total.

Mail Servers

coizen.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between coizen.com and other domains, including abcadvertising.net, onlinepracticalexams.org.uk, wordylove.com and two others.

These mail servers tend to appear in combination with mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.163.27 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.