cerby.dev - dns.ninja

`cerby.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d5f9^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:17e0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.224^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.249^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c139^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2139^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alan.ns.cloudflare.com`
		A	108.162.193.57^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	172.64.33.57^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	173.245.59.57^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
NS	`anna.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c066^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2066^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anna.ns.cloudflare.com`
		A	108.162.192.102^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	172.64.32.102^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	173.245.58.102^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
MX	`work-mx.app.hey.com` ⭐
		A	64.202.125.68^{🇺🇸 AS2565764.202.125.0/24 PNAP-CHG 37signals}
			PTR	`work-mx.app.hey.com`
TXT	`v=spf1 include:_spf.hey.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.224, 172.67.213.249
		IPv6 hints	2606:4700:3032::ac43:d5f9, 2606:4700:3034::6815:17e0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=246, name=cloudflare-ech.com
SOA	`alan.ns.cloudflare.com`dns@cloudflare.com serial=2408701448

`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

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cerby.cn

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DNS History

9 records (7 active, 2 former)

●NSalan.ns.cloudflare.com2026-03-24 → 2026-07-17 · 2 obs

● 2026-03-24 19:49:54
● 2026-07-17 09:10:30

●NSanna.ns.cloudflare.com2026-03-24 → 2026-07-17 · 2 obs

● 2026-03-24 19:49:54
● 2026-07-17 09:10:30

●MXwork-mx.app.hey.com2026-03-24 → 2026-07-17 · 2 obs

● 2026-03-24 19:49:54
● 2026-07-17 09:10:30

●A104.21.23.2242026-03-24 → 2026-07-17 · 2 obs

● 2026-03-24 19:49:54
● 2026-07-17 09:10:30

●A172.67.213.2492026-03-24 → 2026-07-17 · 2 obs

● 2026-03-24 19:49:54
● 2026-07-17 09:10:30

●A2606:4700:3032::ac43:d5f92026-07-17 → 2026-07-17 · 3 obs

○ 2026-06-11 17:57:38
● 2026-07-17 09:10:28
● 2026-07-17 09:10:30

●A2606:4700:3034::6815:17e02026-07-17 → 2026-07-17 · 3 obs

○ 2026-06-11 17:57:38
● 2026-07-17 09:10:28
● 2026-07-17 09:10:30

○A2606:4700:3036::ac43:d5f92026-03-24 → 2026-06-11 · 4 obs

● 2026-03-24 19:49:54
● 2026-06-11 17:57:38
○ 2026-07-17 09:10:28
○ 2026-07-17 09:10:30

○A2606:4700:3037::6815:17e02026-03-24 → 2026-06-11 · 4 obs

● 2026-03-24 19:49:54
● 2026-06-11 17:57:38
○ 2026-07-17 09:10:28
○ 2026-07-17 09:10:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
cerby.dev	alan.ns.cloudflare.com, anna.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.57

NS records: alan.ns.cloudflare.com, anna.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 618ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.213.249, 104.21.23.224`
AAAA	2	`2606:4700:3032::ac43:d5f9, 2606:4700:3034::6815:17e0`
NS	2	`alan.ns.cloudflare.com, anna.ns.cloudflare.com`
MX	1	`work-mx.app.hey.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.hey.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alan.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

cerby.dev has four IP addresses: 104.21.23.224, 172.67.213.249, 2606:4700:3032::ac43:d5f9 and 2606:4700:3034::6815:17e0.

Two other host names, along with impex-carinthia.at, unyclub.com.br and www.zoodaidrou.com, also share IP numbers with cerby.dev.

Name Servers

cerby.dev is served by two delegated name servers, alan.ns.cloudflare.com and anna.ns.cloudflare.com.

cerby.dev shares its NS records with other domains, for example sonlodd365.com, epicsoft.de, perlpimp.net and two others.

cerby.dev has at least partial name server overlap with other domains, such as vact.com, codemydream.com, pricealert.ro and two others.

DNS names with 6 IP addresses:

alan.ns.cloudflare.com carries IP addresses 108.162.193.57, 172.64.33.57 and 173.245.59.57, with 3 other addresses beyond those.

anna.ns.cloudflare.com carries IP addresses 108.162.192.102, 172.64.32.102 and 173.245.58.102, with 3 other addresses beyond those.

Mail Servers

The sole mail server for cerby.dev is work-mx.app.hey.com.

Among the domains sharing a mail server setup with cerby.dev are freshfonts.io, bradjasper.com, jasper.software and two others.

The mail servers of cerby.dev are at least partially shared with other domains, including csgoempire.com.

There is one IP number for work-mx.app.hey.com: 64.202.125.68.