`sdyuanda.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:c07d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4457^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.87^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.125^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`matias.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c49^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c349^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matias.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2349^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matias.ns.cloudflare.com`
		A	108.162.195.73^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	162.159.44.73^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	172.64.35.73^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
NS	`thea.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thea.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thea.ns.cloudflare.com`
		A	108.162.194.247^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	162.159.38.247^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	172.64.34.247^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.68.87, 172.67.192.125
		IPv6 hints	2606:4700:3032::ac43:c07d, 2606:4700:3035::6815:4457
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com
SOA	`matias.ns.cloudflare.com`dns@cloudflare.com serial=2401216518

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034777380

Subdomains

www.sdyuanda.cn

Same first word

sdyuanda.cn

sdyuanda.com

Similar names

dunyadas.com

adsunday.com

DNS History

16 records (6 active, 10 former)

○NSdm1.longmingdns.com2026-02-25 → 2026-03-27 · 5 obs

○ 2020-02-13 04:19:42
● 2026-02-25 15:08:52
● 2026-03-27 18:56:10
○ 2026-05-11 06:17:12
○ 2026-05-11 06:17:14

○NSdm2.longmingdns.com2026-02-25 → 2026-03-27 · 5 obs

○ 2020-02-13 04:19:42
● 2026-02-25 15:08:52
● 2026-03-27 18:56:10
○ 2026-05-11 06:17:12
○ 2026-05-11 06:17:14

○NSf1g1ns1.dnspod.net2017-02-18 → 2017-02-18 · 3 obs

● 2017-02-18 03:45:26
○ 2020-02-13 04:19:42
○ 2026-05-11 06:17:14

○NSf1g1ns2.dnspod.net2017-02-18 → 2017-02-18 · 3 obs

● 2017-02-18 03:45:26
○ 2020-02-13 04:19:42
○ 2026-05-11 06:17:14

○NSjm1.dns.com2020-02-13 → 2020-02-13 · 4 obs

○ 2017-02-18 03:45:26
● 2020-02-13 04:19:42
○ 2026-02-25 15:08:52
○ 2026-05-11 06:17:14

○NSjm2.dns.com2020-02-13 → 2020-02-13 · 4 obs

○ 2017-02-18 03:45:26
● 2020-02-13 04:19:42
○ 2026-02-25 15:08:52
○ 2026-05-11 06:17:14

●NSmatias.ns.cloudflare.com2026-05-11 → 2026-05-11 · 3 obs

○ 2026-03-27 18:56:10
● 2026-05-11 06:17:12
● 2026-05-11 06:17:14

●NSthea.ns.cloudflare.com2026-05-11 → 2026-05-11 · 3 obs

○ 2026-03-27 18:56:10
● 2026-05-11 06:17:12
● 2026-05-11 06:17:14

●A104.21.68.872026-05-11 → 2026-05-11 · 3 obs

○ 2026-03-27 18:56:10
● 2026-05-11 06:17:12
● 2026-05-11 06:17:14

○A107.148.167.1792026-02-25 → 2026-03-27 · 5 obs

○ 2020-02-13 04:19:42
● 2026-02-25 15:08:52
● 2026-03-27 18:56:10
○ 2026-05-11 06:17:12
○ 2026-05-11 06:17:14

○A154.213.229.2202020-02-13 → 2020-02-13 · 4 obs

○ 2017-02-18 03:45:26
● 2020-02-13 04:19:42
○ 2026-02-25 15:08:52
○ 2026-05-11 06:17:14

●A172.67.192.1252026-05-11 → 2026-05-11 · 3 obs

○ 2026-03-27 18:56:10
● 2026-05-11 06:17:12
● 2026-05-11 06:17:14

○A199.245.61.1282017-02-18 → 2017-02-18 · 4 obs

○ 2015-11-22 11:53:14
● 2017-02-18 03:45:26
○ 2020-02-13 04:19:42
○ 2026-05-11 06:17:14

○A210.209.85.642015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 10:36:42
○ 2015-11-22 11:53:14
○ 2026-05-11 06:17:14

●A2606:4700:3032::ac43:c07d2026-05-11 → 2026-05-11 · 3 obs

○ 2026-03-27 18:56:10
● 2026-05-11 06:17:12
● 2026-05-11 06:17:14

●A2606:4700:3035::6815:44572026-05-11 → 2026-05-11 · 3 obs

○ 2026-03-27 18:56:10
● 2026-05-11 06:17:12
● 2026-05-11 06:17:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
sdyuanda.cn	thea.ns.cloudflare.com, matias.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.247

NS records: thea.ns.cloudflare.com, matias.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdyuanda.cn (unsigned zone)

⏱️ Timing

Total: 2691ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.192.125, 104.21.68.87`
AAAA	2	`2606:4700:3032::ac43:c07d, 2606:4700:3035::6815:4457`
NS	2	`matias.ns.cloudflare.com, thea.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`matias.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

The parent of www.sdyuanda.cn is sdyuanda.cn.

IP Addresses

sdyuanda.cn maps to four IP numbers: 2606:4700:3032::ac43:c07d, 2606:4700:3035::6815:4457, 104.21.68.87 and 172.67.192.125.

Other host names, for instance iszvalttjohra.online, digitalgroupmedia.sbs, emlakkonut.click, episteme.fi and bigztube.mobi share IP numbers with sdyuanda.cn.

Name Servers

Two name servers matias.ns.cloudflare.com and thea.ns.cloudflare.com handle delegation for sdyuanda.cn.

sdyuanda.cn uses the same name server setup as other domains, for example lao100.cn, llxjs.cn, 57272.cn, gdzhongfa.cn and yachi119.cn.

sdyuanda.cn partially shares name servers with other domains; examples include i-manbu.com, dingyouhudong.com, losandesac.com, crete.pl and asociacionmedallamilagrosamexico.org.

These name servers are often used with the name servers ezra.ns.cloudflare.com and carla.ns.cloudflare.com.

Host names with six IP numbers: matias.ns.cloudflare.com points to: 2606:4700:58::a29f:2c49, 2803:f800:50::6ca2:c349, 2a06:98c1:50::ac40:2349, 108.162.195.73, 162.159.44.73 and 172.64.35.73; thea.ns.cloudflare.com points to: 2606:4700:50::a29f:26f7, 2803:f800:50::6ca2:c2f7, 2a06:98c1:50::ac40:22f7, 108.162.194.247, 162.159.38.247 and 172.64.34.247.

sdyuanda.cn - robtex.com

sdyuanda.cn

cn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`sdyuanda.cn`

`cn`