`contained.sydney`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1c7e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:922e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.126^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.46^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chip.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c154^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2154^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chip.ns.cloudflare.com`
		A	108.162.193.84^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	172.64.33.84^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	173.245.59.84^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
NS	`rosalyn.ns.cloudflare.com`
		A	2606:4700:50::a29f:263b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c23b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:223b^{Cloudflare2a06:98c1:50::/45}
		A	108.162.194.59^{Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.59^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.59^{Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`_dc-mx.84d3d3a275e3.contained.sydney` ⭐
TXT	`v=spf1 +a +mx +ip4:176.105.233.23 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.126, 172.67.146.46
		IPv6 hints	2606:4700:3031::6815:1c7e, 2606:4700:3034::ac43:922e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=110, name=cloudflare-ech.com
SOA	`chip.ns.cloudflare.com`dns@cloudflare.com serial=2398915372

`sydney`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.sydney` ⭐
	NS	`b.nic.sydney`
	NS	`c.nic.sydney`
	NS	`x.nic.sydney`
	NS	`y.nic.sydney`
	NS	`z.nic.sydney`
	SOA	`a.nic.sydney`admin@tldns.godaddy serial=1780546982

rank #844074 globally
rank #4 in the tld
WOT: SAFE (97/100)

Same first word

contained.co

contained.ru

contained.sydney

contained.io

contained.technology

Similar names

DNS History

13 records (7 active, 6 former)

●NSchip.ns.cloudflare.com2026-05-08 → 2026-06-04 · 3 obs

○ 2018-05-22 03:53:02
● 2026-05-08 16:07:46
● 2026-06-04 06:02:36

○NSns1.netorigin.net2018-05-22 → 2018-05-22 · 3 obs

● 2018-05-22 03:53:02
○ 2026-05-08 16:07:46
○ 2026-06-04 06:02:36

○NSns2.netorigin.net2018-05-22 → 2018-05-22 · 3 obs

● 2018-05-22 03:53:02
○ 2026-05-08 16:07:46
○ 2026-06-04 06:02:36

○NSns3.netorigin.net2018-05-22 → 2018-05-22 · 3 obs

● 2018-05-22 03:53:02
○ 2026-05-08 16:07:46
○ 2026-06-04 06:02:36

○NSns4.netorigin.net2018-05-22 → 2018-05-22 · 3 obs

● 2018-05-22 03:53:02
○ 2026-05-08 16:07:46
○ 2026-06-04 06:02:36

●NSrosalyn.ns.cloudflare.com2026-05-08 → 2026-06-04 · 3 obs

○ 2018-05-22 03:53:02
● 2026-05-08 16:07:46
● 2026-06-04 06:02:36

●MX_dc-mx.84d3d3a275e3.contained.sydney2026-05-08 → 2026-06-04 · 3 obs

○ 2018-05-22 03:53:02
● 2026-05-08 16:07:46
● 2026-06-04 06:02:36

○MXmail.contained.sydney2018-05-22 → 2018-05-22 · 3 obs

● 2018-05-22 03:53:02
○ 2026-05-08 16:07:46
○ 2026-06-04 06:02:36

●A104.21.28.1262026-05-08 → 2026-06-04 · 3 obs

○ 2018-05-22 03:53:02
● 2026-05-08 16:07:46
● 2026-06-04 06:02:36

○A163.53.229.1052018-05-22 → 2018-05-22 · 3 obs

● 2018-05-22 03:53:02
○ 2026-05-08 16:07:46
○ 2026-06-04 06:02:36

●A172.67.146.462026-05-08 → 2026-06-04 · 3 obs

○ 2018-05-22 03:53:02
● 2026-05-08 16:07:46
● 2026-06-04 06:02:36

●A2606:4700:3031::6815:1c7e2026-05-08 → 2026-06-04 · 3 obs

○ 2018-05-22 03:53:02
● 2026-05-08 16:07:46
● 2026-06-04 06:02:36

●A2606:4700:3034::ac43:922e2026-05-08 → 2026-06-04 · 3 obs

○ 2018-05-22 03:53:02
● 2026-05-08 16:07:46
● 2026-06-04 06:02:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sydney	a.nic.sydney, b.nic.sydney, c.nic.sydney, x.nic.sydney...	12 records
contained.sydney	chip.ns.cloudflare.com, rosalyn.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.59

NS records: chip.ns.cloudflare.com, rosalyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contained.sydney (unsigned zone)

⏱️ Timing

Total: 3432ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.28.126, 172.67.146.46`
AAAA	2	`2606:4700:3031::6815:1c7e, 2606:4700:3034::ac43:922e`
NS	2	`chip.ns.cloudflare.com, rosalyn.ns.cloudflare.com`
MX	1	`_dc-mx.84d3d3a275e3.contained.sydney (pr`
TXT	1	`v=spf1 +a +mx +ip4:176.105.233.23 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chip.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.sydney, b.nic.sydney, c.nic.sydney...)

Analysis

IP Addresses

contained.sydney maps to 4 IP numbers, specifically 104.21.28.126, 172.67.146.46, 2606:4700:3031::6815:1c7e and 2606:4700:3034::ac43:922e.

Two other host names, along with maxifleur.com, gff.ge and fvzi.cn, also share IP numbers with contained.sydney.

Name Servers

contained.sydney has two authoritative name servers — chip.ns.cloudflare.com and rosalyn.ns.cloudflare.com.

contained.sydney shares its NS records with other domains, for example vmgb.com, bq-studio.com, ubom.com and two others.

contained.sydney has at least partial name server overlap with other domains, such as fasttech.fr, villagesub.com, bytars.com and two others.

The name servers gwen.ns.cloudflare.com, nelly.ns.cloudflare.com, liberty.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

chip.ns.cloudflare.com has IP addresses 108.162.193.84, 172.64.33.84, 173.245.59.84 plus three more.

rosalyn.ns.cloudflare.com has IP addresses 108.162.194.59, 162.159.38.59, 172.64.34.59 plus three more.

Mail Servers

The sole mail server for contained.sydney is _dc-mx.84d3d3a275e3.contained.sydney.

contained.sydney - robtex.com