code4history.dev - dns.ninja

`code4history.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c011^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:1463^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.99^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.17^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`ivy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c078^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2078^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivy.ns.cloudflare.com`
		A	108.162.192.120^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	172.64.32.120^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	173.245.58.120^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-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::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.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	`google-site-verification=fMI9PYrQ4-c6eAy5Hq6aWqqwAhWaoUQjSndrfWHIjIw`
TXT	`google-site-verification=hn(0x666150)EMmraogN0YGaE32hGNsU9OpQydI7F2P6usuLdM`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.20.99, 172.67.192.17
		IPv6 hints	2606:4700:3031::ac43:c011, 2606:4700:3032::6815:1463
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=169, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2406757750

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

code4history.dev

DNS History

15 records (11 active, 4 former)

●NSduke.ns.cloudflare.com2026-03-25 → 2026-06-13 · 2 obs

● 2026-03-25 19:06:18
● 2026-06-13 18:42:26

●NSivy.ns.cloudflare.com2026-03-25 → 2026-06-13 · 2 obs

● 2026-03-25 19:06:18
● 2026-06-13 18:42:26

●MXalt1.aspmx.l.google.com2026-03-25 → 2026-06-13 · 2 obs

● 2026-03-25 19:06:18
● 2026-06-13 18:42:26

●MXalt2.aspmx.l.google.com2026-03-25 → 2026-06-13 · 2 obs

● 2026-03-25 19:06:18
● 2026-06-13 18:42:26

●MXalt3.aspmx.l.google.com2026-03-25 → 2026-06-13 · 2 obs

● 2026-03-25 19:06:18
● 2026-06-13 18:42:26

●MXalt4.aspmx.l.google.com2026-03-25 → 2026-06-13 · 2 obs

● 2026-03-25 19:06:18
● 2026-06-13 18:42:26

●MXaspmx.l.google.com2026-03-25 → 2026-06-13 · 2 obs

● 2026-03-25 19:06:18
● 2026-06-13 18:42:26

●A104.21.20.992026-03-29 → 2026-06-13 · 9 obs

○ 2026-03-25 19:06:18
● 2026-03-29 11:21:24
● 2026-03-31 05:44:56
○ 2026-04-01 12:43:28
● 2026-04-08 15:15:00
● 2026-04-14 08:41:18
○ 2026-04-14 14:49:02
● 2026-06-09 08:22:34
● 2026-06-13 18:42:26

●A172.67.192.172026-03-29 → 2026-06-13 · 9 obs

○A188.114.96.02026-03-25 → 2026-04-14 · 9 obs

● 2026-03-25 19:06:18
○ 2026-03-29 11:21:24
○ 2026-03-31 05:44:56
● 2026-04-01 12:43:28
○ 2026-04-08 15:15:00
○ 2026-04-14 08:41:18
● 2026-04-14 14:49:02
○ 2026-06-09 08:22:34
○ 2026-06-13 18:42:26

○A188.114.97.02026-03-25 → 2026-04-14 · 9 obs

●A2606:4700:3031::ac43:c0112026-03-29 → 2026-06-13 · 9 obs

●A2606:4700:3032::6815:14632026-03-29 → 2026-06-13 · 9 obs

○A2a06:98c1:3120::2026-03-25 → 2026-04-14 · 9 obs

○A2a06:98c1:3121::2026-03-25 → 2026-04-14 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
code4history.dev	ivy.ns.cloudflare.com, duke.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.120

NS records: ivy.ns.cloudflare.com, duke.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for code4history.dev (unsigned zone)

⏱️ Timing

Total: 1746ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.20.99, 172.67.192.17`
AAAA	2	`2606:4700:3032::6815:1463, 2606:4700:3031::ac43:c011`
NS	2	`duke.ns.cloudflare.com, ivy.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=fMI9PYrQ4-c6eAy, google-site-verification=hn(0x666150)EMmraogN0Y...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

code4history.dev points to four IP numbers: 104.21.20.99, 172.67.192.17, 2606:4700:3031::ac43:c011 and 2606:4700:3032::6815:1463.

www.vertex-g.jp, sozkocaeli.com, xaawlubveezeo.com and two other host names share IP numbers with code4history.dev.

Name Servers

code4history.dev is delegated to two name servers: duke.ns.cloudflare.com and ivy.ns.cloudflare.com.

code4history.dev uses the same name servers as several other domains — among them cytodetox.com, outletbicocca.com, healthycalisolutions.com and two more.

The name servers of code4history.dev overlap at least partially with those of other domains — among them gslglobal.ca, reftek.com, goog1e681.com and two more.

These name servers commonly appear in combination with the name servers rob.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

duke.ns.cloudflare.com resolves to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 other IP addresses.

ivy.ns.cloudflare.com resolves to 108.162.192.120, 172.64.32.120, 173.245.58.120 and 3 other IP addresses.

Mail Servers

code4history.dev has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

code4history.dev has at least partial mail server overlap with other domains such as ns500724.ns500599.ns500737.ns500724.ns500737.ns500599.ns500724.ns500697.ns500697.www.yummyflingsfinder.com, ns500765.ns500765.ns500693.ns500699.ns500699.ns500699.ns500699.ns500588.ns500588.ns500693.ns500683.ns500632.ns500588.dtrkdll.com, ffpak.org.pk and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com points to 173.194.45.27 and 2607:f8b0:4004:c1d::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

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

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

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