dockerdev.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`dockerdev.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8d74^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1b35^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.53^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.116^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`etta.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`etta.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`etta.ns.cloudflare.com`
		A	108.162.192.156^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	172.64.32.156^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	173.245.58.156^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
MX	`mxext1.mailbox.org` ⭐
		A	2001:67c:2050:104:0:1:25:1^{🇩🇪 HPLS-AS2001:67c:2050::/48}
			PTR	`mx1.mailbox.org`
		A	80.241.60.212^{🇩🇪 HPLS-AS80.241.60.0/24}
			PTR	`mx1.mailbox.org`
MX	`mxext2.mailbox.org` ⭐
		A	2001:67c:2050:104:0:2:25:1^{🇩🇪 HPLS-AS2001:67c:2050::/48}
			PTR	`mx2.mailbox.org`
		A	80.241.60.215^{🇩🇪 HPLS-AS80.241.60.0/24}
			PTR	`mx2.mailbox.org`
MX	`mxext3.mailbox.org`⁽²⁰⁾
		A	2001:67c:2050:104:0:3:25:1^{🇩🇪 HPLS-AS2001:67c:2050::/48}
			PTR	`mx3.mailbox.org`
		A	80.241.60.216^{🇩🇪 HPLS-AS80.241.60.0/24}
			PTR	`mx3.mailbox.org`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.53, 172.67.141.116
		IPv6 hints	2606:4700:3031::ac43:8d74, 2606:4700:3037::6815:1b35
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2411986540

`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=1788769979

Same first word

dockerdev.com

dockerdev.org

dockerdev.us

Previous names

Next names

DNS History

13 records (9 active, 4 former)

●NSalex.ns.cloudflare.com2026-08-30 → 2026-09-07 · 2 obs

● 2026-08-30 01:26:16
● 2026-09-07 08:49:52

●NSetta.ns.cloudflare.com2026-08-30 → 2026-09-07 · 2 obs

● 2026-08-30 01:26:16
● 2026-09-07 08:49:52

●MXmxext1.mailbox.org2026-08-30 → 2026-09-07 · 2 obs

● 2026-08-30 01:26:16
● 2026-09-07 08:49:52

●MXmxext2.mailbox.org2026-08-30 → 2026-09-07 · 2 obs

● 2026-08-30 01:26:16
● 2026-09-07 08:49:52

●MXmxext3.mailbox.org2026-08-30 → 2026-09-07 · 2 obs

● 2026-08-30 01:26:16
● 2026-09-07 08:49:52

●A104.21.27.532026-08-31 → 2026-09-07 · 3 obs

○ 2026-08-30 01:26:16
● 2026-08-31 22:16:10
● 2026-09-07 08:49:52

●A172.67.141.1162026-08-31 → 2026-09-07 · 3 obs

○ 2026-08-30 01:26:16
● 2026-08-31 22:16:10
● 2026-09-07 08:49:52

○A188.114.96.02026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 01:26:16
○ 2026-08-31 22:16:10
○ 2026-09-07 08:49:52

○A188.114.97.02026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 01:26:16
○ 2026-08-31 22:16:10
○ 2026-09-07 08:49:52

●A2606:4700:3031::ac43:8d742026-08-31 → 2026-09-07 · 3 obs

○ 2026-08-30 01:26:16
● 2026-08-31 22:16:10
● 2026-09-07 08:49:52

●A2606:4700:3037::6815:1b352026-08-31 → 2026-09-07 · 3 obs

○ 2026-08-30 01:26:16
● 2026-08-31 22:16:10
● 2026-09-07 08:49:52

○A2a06:98c1:3120::2026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 01:26:16
○ 2026-08-31 22:16:10
○ 2026-09-07 08:49:52

○A2a06:98c1:3121::2026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 01:26:16
○ 2026-08-31 22:16:10
○ 2026-09-07 08:49:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
dockerdev.org	alex.ns.cloudflare.com, etta.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.100

NS records: alex.ns.cloudflare.com, etta.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dockerdev.org (unsigned zone)

⏱️ Timing

Total: 842ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.53, 172.67.141.116`
AAAA	2	`2606:4700:3031::ac43:8d74, 2606:4700:3037::6815:1b35`
NS	2	`alex.ns.cloudflare.com, etta.ns.cloudflare.com`
MX	3	`mxext1.mailbox.org (pri: 10), mxext2.mailbox.org (pri: 10)...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

dockerdev.org directs to four IP numbers, which are 104.21.27.53, 172.67.141.116, 2606:4700:3031::ac43:8d74 and 2606:4700:3037::6815:1b35.

Two other host names, along with payday.md, dmthm.com and hostney.io, also share IP numbers with dockerdev.org.

Name Servers

dockerdev.org uses two name servers for its delegation: alex.ns.cloudflare.com and etta.ns.cloudflare.com.

dockerdev.org shares its NS records with other domains, for example noreliaapac.live, onlineresourcebooking.us, sharpaiagents.com and two others.

There is at least partial name server overlap between dockerdev.org and other domains — zhiteng17.com, yoradigital.com, mufisworkspace.workers.dev and two more among them.

These name servers are routinely deployed together with the name servers woz.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname alex.ns.cloudflare.com directs to 108.162.193.100, 172.64.33.100 and 173.245.59.100 along with 3 other IP addresses.

Hostname etta.ns.cloudflare.com directs to 108.162.192.156, 172.64.32.156 and 173.245.58.156 along with 3 other IP addresses.

Mail Servers

Incoming mail for dockerdev.org is delivered via three mail servers: mxext1.mailbox.org, mxext2.mailbox.org and mxext3.mailbox.org.

There is at least a partial MX overlap between dockerdev.org and other domains, including tvollmer.de, freipaul.com, thedoctorboy.me and two others.

These mail servers often co-occur with the mail servers mxext4.mailbox.org.

mxext1.mailbox.org, mxext2.mailbox.org and mxext3.mailbox.org all resolve to exactly two IP numbers apiece: mxext1.mailbox.org → 80.241.60.212 and 2001:67c:2050:104:0:1:25:1; mxext2.mailbox.org → 80.241.60.215 and 2001:67c:2050:104:0:2:25:1; mxext3.mailbox.org → 80.241.60.216 and 2001:67c:2050:104:0:3:25:1.