a9z.dev - dns.ninja

`a9z.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3019^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b021^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.25^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.176.33^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`albert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`albert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`albert.ns.cloudflare.com`
		A	108.162.193.58^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	172.64.33.58^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	173.245.59.58^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
NS	`erin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c071^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`erin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2071^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`erin.ns.cloudflare.com`
		A	108.162.192.113^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	172.64.32.113^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	173.245.58.113^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=a8ARdL5v0CaUripg`
TXT	`google-site-verification=RBLPyo86rFT7esIP9QMg85J0h1u5Aabv4S6EGOTC3GI`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.48.25, 172.67.176.33
		IPv6 hints	2606:4700:3030::6815:3019, 2606:4700:3036::ac43:b021
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`albert.ns.cloudflare.com`dns@cloudflare.com serial=2408294864

`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

a9z.net

a9z.fr

a9z.dev

a9z.ru

Similar names

z9a.zapto.org

9az.com

z9a.com

9az.ren

az9.de

9az.ru

za9.com

9za.net

za9.de

az9.biz

az9.or.jp

9za.ru

za9.com.br

9za.cc

az9.com.cn

az9.nl

az9.org

az9.net

az9.us

az9.club

az9.eu

az9.cn

DNS History

14 records (8 active, 6 former)

●NSalbert.ns.cloudflare.com2026-02-16 → 2026-07-01 · 2 obs

● 2026-02-16 06:13:50
● 2026-07-01 14:26:36

●NSerin.ns.cloudflare.com2026-02-16 → 2026-07-01 · 2 obs

● 2026-02-16 06:13:50
● 2026-07-01 14:26:36

●MXmx01.mail.icloud.com2026-02-16 → 2026-07-01 · 2 obs

● 2026-02-16 06:13:50
● 2026-07-01 14:26:36

●MXmx02.mail.icloud.com2026-02-16 → 2026-07-01 · 2 obs

● 2026-02-16 06:13:50
● 2026-07-01 14:26:36

●A104.21.48.252026-02-16 → 2026-07-01 · 13 obs

● 2026-02-16 06:13:50
● 2026-02-18 09:20:34
○ 2026-02-23 10:45:40
● 2026-03-09 07:06:56
○ 2026-03-12 19:57:02
● 2026-03-16 04:16:26
● 2026-03-27 21:41:16
○ 2026-03-31 14:47:14
● 2026-04-02 02:25:48
● 2026-05-01 05:28:06
○ 2026-05-26 19:12:46
● 2026-06-08 20:08:34
● 2026-07-01 14:26:36

●A172.67.176.332026-02-16 → 2026-07-01 · 13 obs

○A188.114.96.02026-02-23 → 2026-05-26 · 12 obs

○ 2026-02-18 09:20:34
● 2026-02-23 10:45:40
○ 2026-03-09 07:06:56
● 2026-03-12 19:57:02
○ 2026-03-16 04:16:26
○ 2026-03-27 21:41:16
● 2026-03-31 14:47:14
○ 2026-04-02 02:25:48
○ 2026-05-01 05:28:06
● 2026-05-26 19:12:46
○ 2026-06-08 20:08:34
○ 2026-07-01 14:26:36

○A188.114.97.02026-02-23 → 2026-05-26 · 12 obs

●A2606:4700:3030::6815:30192026-07-01 → 2026-07-01 · 2 obs

○ 2026-06-08 20:08:34
● 2026-07-01 14:26:36

○A2606:4700:3033::ac43:b0212026-02-16 → 2026-06-08 · 13 obs

○A2606:4700:3036::6815:30192026-02-16 → 2026-06-08 · 13 obs

●A2606:4700:3036::ac43:b0212026-07-01 → 2026-07-01 · 2 obs

○ 2026-06-08 20:08:34
● 2026-07-01 14:26:36

○A2a06:98c1:3120::2026-02-23 → 2026-05-26 · 12 obs

○A2a06:98c1:3121::2026-02-23 → 2026-05-26 · 12 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	10 records
a9z.dev	erin.ns.cloudflare.com, albert.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.113

NS records: erin.ns.cloudflare.com, albert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a9z.dev (unsigned zone)

⏱️ Timing

Total: 911ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.176.33, 104.21.48.25`
AAAA	2	`2606:4700:3036::ac43:b021, 2606:4700:3030::6815:3019`
NS	2	`albert.ns.cloudflare.com, erin.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`apple-domain=a8ARdL5v0CaUripg, google-site-verification=RBLPyo86rFT7esI...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`albert.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

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

Analysis

IP Addresses

a9z.dev resolves to four IP addresses: 104.21.48.25, 172.67.176.33, 2606:4700:3030::6815:3019 and 2606:4700:3036::ac43:b021.

Additional host names — newyorkemergencydentist.com, mx.gsuro.ru, dm118.com and two others — share IP numbers with a9z.dev.

Name Servers

a9z.dev uses two name servers for its delegation: albert.ns.cloudflare.com and erin.ns.cloudflare.com.

a9z.dev shares its name server setup with other domains, including itcanhelpyou.com, china-jade-restaurant.com, misskey.page and two others.

a9z.dev has at least partial name server overlap with other domains, such as httpsbaidu.com, buysellhomesbocaraton.com, prsbrokers.com and two others.

It is common to see these name servers used together with name servers marissa.ns.cloudflare.com and ivan.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname albert.ns.cloudflare.com directs to 108.162.193.58, 172.64.33.58 and 173.245.59.58 along with 3 other IP addresses.

Hostname erin.ns.cloudflare.com directs to 108.162.192.113, 172.64.32.113 and 173.245.58.113 along with 3 other IP addresses.

Mail Servers

a9z.dev has two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

a9z.dev shares the same mail server setup as other domains, including droli.net, johnson92.com, tuggey.net and two others.

At least some of a9z.dev's mail servers are shared with other domains, among them b1n9.com, kmclinical.com, 7p.net and lfcps.org.

Host names with 6 IP numbers:

Hostname mx01.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Hostname mx02.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.42.251.62 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.56.9.31 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.152.5 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.154.33 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.155.25 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.156.30 IP addresses each.