`polymyxin.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:55cd^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d239^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.205^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.57^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`memphis.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3bd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`memphis.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23bd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`memphis.ns.cloudflare.com`
		A	108.162.195.189^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	162.159.44.189^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	172.64.35.189^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
NS	`venus.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aeb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`venus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`venus.ns.cloudflare.com`
		A	108.162.192.235^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	172.64.32.235^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	173.245.58.235^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.85.205, 172.67.210.57
		IPv6 hints	2606:4700:3031::6815:55cd, 2606:4700:3037::ac43:d239
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOA	`memphis.ns.cloudflare.com`dns@cloudflare.com serial=2399833985

`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=2034669343

Same first word

polymyxin.cn

DNS History

15 records (6 active, 9 former)

○NSdm1.longmingdns.com2026-02-19 → 2026-03-04 · 5 obs

○ 2016-05-03 01:46:58
● 2026-02-19 20:21:46
● 2026-03-04 14:24:58
○ 2026-03-25 05:11:50
○ 2026-04-14 10:47:38

○NSdm2.longmingdns.com2026-02-19 → 2026-03-04 · 5 obs

○ 2016-05-03 01:46:58
● 2026-02-19 20:21:46
● 2026-03-04 14:24:58
○ 2026-03-25 05:11:50
○ 2026-04-14 10:47:38

●NSmemphis.ns.cloudflare.com2026-03-25 → 2026-04-14 · 3 obs

○ 2026-03-04 14:24:58
● 2026-03-25 05:11:50
● 2026-04-14 10:47:38

○NSns11.xincache.com2015-07-02 → 2015-07-02 · 3 obs

● 2015-07-02 10:27:56
○ 2015-11-08 15:23:14
○ 2026-04-14 10:47:38

○NSns12.xincache.com2015-07-02 → 2015-07-02 · 3 obs

● 2015-07-02 10:27:56
○ 2015-11-08 15:23:14
○ 2026-04-14 10:47:38

○NSns19.xincache.com2015-11-08 → 2016-05-03 · 5 obs

○ 2015-07-02 10:27:56
● 2015-11-08 15:23:14
● 2016-05-03 01:46:58
○ 2026-02-19 20:21:46
○ 2026-04-14 10:47:38

○NSns20.xincache.com2015-11-08 → 2016-05-03 · 5 obs

○ 2015-07-02 10:27:56
● 2015-11-08 15:23:14
● 2016-05-03 01:46:58
○ 2026-02-19 20:21:46
○ 2026-04-14 10:47:38

●NSvenus.ns.cloudflare.com2026-03-25 → 2026-04-14 · 3 obs

○ 2026-03-04 14:24:58
● 2026-03-25 05:11:50
● 2026-04-14 10:47:38

●A104.21.85.2052026-03-25 → 2026-04-14 · 3 obs

○ 2026-03-04 14:24:58
● 2026-03-25 05:11:50
● 2026-04-14 10:47:38

○A119.10.35.242015-07-02 → 2016-05-03 · 4 obs

● 2015-07-02 10:27:56
● 2016-05-03 01:46:58
○ 2026-02-19 20:21:46
○ 2026-04-14 10:47:38

●A172.67.210.572026-03-25 → 2026-04-14 · 3 obs

○ 2026-03-04 14:24:58
● 2026-03-25 05:11:50
● 2026-04-14 10:47:38

●A2606:4700:3031::6815:55cd2026-03-25 → 2026-04-14 · 3 obs

○ 2026-03-04 14:24:58
● 2026-03-25 05:11:50
● 2026-04-14 10:47:38

●A2606:4700:3037::ac43:d2392026-03-25 → 2026-04-14 · 3 obs

○ 2026-03-04 14:24:58
● 2026-03-25 05:11:50
● 2026-04-14 10:47:38

○A38.6.83.482026-02-19 → 2026-04-14 · 2 obs

○ 2026-02-19 20:21:46
○ 2026-04-14 10:47:38

○A38.6.86.822026-02-19 → 2026-03-04 · 5 obs

○ 2016-05-03 01:46:58
● 2026-02-19 20:21:46
● 2026-03-04 14:24:58
○ 2026-03-25 05:11:50
○ 2026-04-14 10:47:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
polymyxin.cn	venus.ns.cloudflare.com, memphis.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.235

NS records: venus.ns.cloudflare.com, memphis.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3282ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.210.57, 104.21.85.205`
AAAA	2	`2606:4700:3031::6815:55cd, 2606:4700:3037::ac43:d239`
NS	2	`memphis.ns.cloudflare.com, venus.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`memphis.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

Four IP numbers are pointed to by polymyxin.cn: 2606:4700:3031::6815:55cd, 2606:4700:3037::ac43:d239, 104.21.85.205 and 172.67.210.57.

other host names including swiftcrook.com, seashellsupply.com, contestcycle.com, abolishtheaeta.org and timenite.com share IP numbers with polymyxin.cn.

Name Servers

polymyxin.cn is delegated to two name servers memphis.ns.cloudflare.com and venus.ns.cloudflare.com.

polymyxin.cn shares the same name server setup as other domains, for instance jogosparacelularjava.com, greenherbalremedies.com, snrp.cn, kasada.cn and tgsyyc.cn.

polymyxin.cn at least partially shares name servers with other domains, for instance theonlinecasinowebsites.com, diamondmaxwin.cc, tiwtactic.com, 8-r-v-w.com and skincourse.com.

these name servers are commonly used alongside indie.ns.cloudflare.com.

Host names with six IP numbers:

Host name memphis.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbd, 2803:f800:50::6ca2:c3bd, 2a06:98c1:50::ac40:23bd, 108.162.195.189, 162.159.44.189 and 172.64.35.189.

Host name venus.ns.cloudflare.com points to: 2606:4700:50::adf5:3aeb, 2803:f800:50::6ca2:c0eb, 2a06:98c1:50::ac40:20eb, 108.162.192.235, 172.64.32.235 and 173.245.58.235.

polymyxin.cn - robtex.com

polymyxin.cn

cn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`polymyxin.cn`

`cn`