`codeforyokosuka.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:965b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3fce^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.206^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.91^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`apollo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b42^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c142^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`apollo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2142^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`apollo.ns.cloudflare.com`
		A	108.162.193.66^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	172.64.33.66^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	173.245.59.66^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
NS	`elle.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elle.ns.cloudflare.com`
		A	108.162.192.110^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	172.64.32.110^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	173.245.58.110^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.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::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`atlassian-domain-verification=6FkAtBVGqpIGPrfDTbL0rLlhwjY7nsJ5VcOtNnZLNz/C0pn...`
TXT	`google-site-verification=0KkLp8ij77rwYAh3Tw2-OQ9XC4-BNTN3FWH-BPLr4M8`
TXT	`google-site-verification=KT0HXxyl741fA4udcMqSI1QALb--s7XWzdMd-ky_JWg`
TXT	`v=spf1 include:spf22.gmoserver.jp +mx include:codeforyokosuka.org ~all`
TXT	`v=spf1 include:spf22.gmoserver.jp include:_spf.google.com ~all`
TXT	`v=spf1 include:spf22.gmoserver.jp ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.206, 172.67.150.91
		IPv6 hints	2606:4700:3035::ac43:965b, 2606:4700:3036::6815:3fce
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com
SOA	`apollo.ns.cloudflare.com`dns@cloudflare.com serial=2411411707

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786460786

Same first word

codeforyokosuka.org

DNS History

17 records (11 active, 6 former)

●NSapollo.ns.cloudflare.com2026-05-08 → 2026-08-11 · 2 obs

● 2026-05-08 09:16:58
● 2026-08-11 16:02:50

●NSelle.ns.cloudflare.com2026-05-08 → 2026-08-11 · 2 obs

● 2026-05-08 09:16:58
● 2026-08-11 16:02:50

●MXalt1.aspmx.l.google.com2026-05-08 → 2026-08-11 · 2 obs

● 2026-05-08 09:16:58
● 2026-08-11 16:02:50

●MXalt2.aspmx.l.google.com2026-05-08 → 2026-08-11 · 2 obs

● 2026-05-08 09:16:58
● 2026-08-11 16:02:50

●MXalt3.aspmx.l.google.com2026-05-08 → 2026-08-11 · 2 obs

● 2026-05-08 09:16:58
● 2026-08-11 16:02:50

●MXalt4.aspmx.l.google.com2026-05-08 → 2026-08-11 · 2 obs

● 2026-05-08 09:16:58
● 2026-08-11 16:02:50

●MXaspmx.l.google.com2026-05-08 → 2026-08-11 · 2 obs

● 2026-05-08 09:16:58
● 2026-08-11 16:02:50

●A104.21.63.2062026-05-11 → 2026-08-11 · 3 obs

○ 2026-05-08 09:16:58
● 2026-05-11 21:05:36
● 2026-08-11 16:02:50

●A172.67.150.912026-05-11 → 2026-08-11 · 3 obs

○ 2026-05-08 09:16:58
● 2026-05-11 21:05:36
● 2026-08-11 16:02:50

○A188.114.96.02026-05-08 → 2026-05-08 · 3 obs

● 2026-05-08 09:16:58
○ 2026-05-11 21:05:36
○ 2026-08-11 16:02:50

○A188.114.97.02026-05-08 → 2026-05-08 · 3 obs

● 2026-05-08 09:16:58
○ 2026-05-11 21:05:36
○ 2026-08-11 16:02:50

○A2606:4700:3031::ac43:965b2026-05-11 → 2026-06-15 · 4 obs

○ 2026-05-08 09:16:58
● 2026-05-11 21:05:36
● 2026-06-15 07:54:12
○ 2026-08-11 16:02:50

●A2606:4700:3035::ac43:965b2026-08-11 → 2026-08-11 · 2 obs

○ 2026-06-15 07:54:12
● 2026-08-11 16:02:50

●A2606:4700:3036::6815:3fce2026-08-11 → 2026-08-11 · 2 obs

○ 2026-06-15 07:54:12
● 2026-08-11 16:02:50

○A2606:4700:3037::6815:3fce2026-05-11 → 2026-06-15 · 4 obs

○ 2026-05-08 09:16:58
● 2026-05-11 21:05:36
● 2026-06-15 07:54:12
○ 2026-08-11 16:02:50

○A2a06:98c1:3120::2026-05-08 → 2026-05-08 · 3 obs

● 2026-05-08 09:16:58
○ 2026-05-11 21:05:36
○ 2026-08-11 16:02:50

○A2a06:98c1:3121::2026-05-08 → 2026-05-08 · 3 obs

● 2026-05-08 09:16:58
○ 2026-05-11 21:05:36
○ 2026-08-11 16:02:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
codeforyokosuka.org	elle.ns.cloudflare.com, apollo.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.66

NS records: elle.ns.cloudflare.com, apollo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeforyokosuka.org (unsigned zone)

⏱️ Timing

Total: 481ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.91, 104.21.63.206`
AAAA	2	`2606:4700:3036::6815:3fce, 2606:4700:3035::ac43:965b`
NS	2	`apollo.ns.cloudflare.com, elle.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	6	`atlassian-domain-verification=6FkAtBVGqp, google-site-verification=0KkLp8ij77rwYAh...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`apollo.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

codeforyokosuka.org points to the four IP addresses 104.21.63.206, 172.67.150.91, 2606:4700:3035::ac43:965b and 2606:4700:3036::6815:3fce.

Two other host names, along with davi(0x736578)change.com, cheapclubflyers.com and www.puntogcolombia.com.cdn.cloudflare.net, also share IP numbers with codeforyokosuka.org.

Name Servers

codeforyokosuka.org uses two name servers for its delegation: apollo.ns.cloudflare.com and elle.ns.cloudflare.com.

codeforyokosuka.org shares its NS records with other domains, for example murls.co, emkode.com, ciphnet.com and two others.

There is at least partial name server overlap between codeforyokosuka.org and other domains — 0fflce-mlcr0sfot-online-supposrts3jp-tokcloud.workers.dev, webfather.pro, am1647.top and two more among them.

The name servers crystal.ns.cloudflare.com, lochlan.ns.cloudflare.com and clyde.ns.cloudflare.com are often found in combination with these name servers.

DNS names with 6 IP addresses:

Hostname apollo.ns.cloudflare.com directs to 108.162.193.66, 172.64.33.66 and 173.245.59.66 along with 3 other IP addresses.

Hostname elle.ns.cloudflare.com directs to 108.162.192.110, 172.64.32.110 and 173.245.58.110 along with 3 other IP addresses.

Mail Servers

codeforyokosuka.org 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 codeforyokosuka.org and other domains, including ny2sy.co.uk, carlcho.com, plusfourfour.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 directs traffic to 173.194.45.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com directs traffic to 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.