`iotengineer.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:aead^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:1f1a^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.26^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.173^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dorthy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dorthy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dorthy.ns.cloudflare.com`
		A	108.162.192.249^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	172.64.32.249^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	173.245.58.249^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
NS	`rayden.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ca3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rayden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rayden.ns.cloudflare.com`
		A	108.162.195.163^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	162.159.44.163^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	172.64.35.163^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.26, 172.67.174.173
		IPv6 hints	2606:4700:3032::ac43:aead, 2606:4700:3033::6815:1f1a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2408977293

`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 2035-06-18 #54

Same first word

iotengineer.cn

DNS History

8 records (6 active, 2 former)

●NSdorthy.ns.cloudflare.com2026-05-29 → 2026-07-19 · 2 obs

● 2026-05-29 17:44:06
● 2026-07-19 21:44:22

●NSrayden.ns.cloudflare.com2026-05-29 → 2026-07-19 · 2 obs

● 2026-05-29 17:44:06
● 2026-07-19 21:44:22

●A104.21.31.262026-05-29 → 2026-07-19 · 3 obs

● 2026-05-29 17:44:06
○ 2026-07-15 12:54:24
● 2026-07-19 21:44:22

●A172.67.174.1732026-05-29 → 2026-07-19 · 3 obs

● 2026-05-29 17:44:06
○ 2026-07-15 12:54:24
● 2026-07-19 21:44:22

○A2606:4700:3031::ac43:aead2026-05-29 → 2026-05-29 · 3 obs

● 2026-05-29 17:44:06
○ 2026-06-28 00:27:48
○ 2026-07-19 21:44:22

○A2606:4700:3032::6815:1f1a2026-05-29 → 2026-05-29 · 3 obs

● 2026-05-29 17:44:06
○ 2026-06-28 00:27:48
○ 2026-07-19 21:44:22

●A2606:4700:3032::ac43:aead2026-06-28 → 2026-07-19 · 4 obs

○ 2026-05-29 17:44:06
● 2026-06-28 00:27:48
○ 2026-07-15 12:54:24
● 2026-07-19 21:44:22

●A2606:4700:3033::6815:1f1a2026-06-28 → 2026-07-19 · 4 obs

○ 2026-05-29 17:44:06
● 2026-06-28 00:27:48
○ 2026-07-15 12:54:24
● 2026-07-19 21:44:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...	-
iotengineer.cn	dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.249

NS records: dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iotengineer.cn (unsigned zone)

⏱️ Timing

Total: 1072ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.31.26, 172.67.174.173`
AAAA	2	`2606:4700:3033::6815:1f1a, 2606:4700:3032::ac43:aead`
NS	2	`dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dorthy.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

iotengineer.cn directs to four IP numbers, which are 104.21.31.26, 172.67.174.173, 2606:4700:3032::ac43:aead and 2606:4700:3033::6815:1f1a.

Additional host names — nexoraobservium.click, www.sky-one.fr, zengardenflowers.com and two others — share IP numbers with iotengineer.cn.

Name Servers

Two name servers handle the delegation for iotengineer.cn: dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.

iotengineer.cn shares its name server setup with other domains, including baxivsmoluogejingzhunfenxi.cn, ahzzs.cn, fjhyzs.cn and two others.

There is at least partial name server overlap between iotengineer.cn and other domains — c2give.com, gobdconstruction.com, lambshops.net and two more among them.

These name servers regularly appear alongside abdullah.ns.cloudflare.com, jen.ns.cloudflare.com, dayana.ns.cloudflare.com and 3 other name servers in NS record sets.

Host names with 6 IP numbers:

dorthy.ns.cloudflare.com resolves to 108.162.192.249, 172.64.32.249 and 173.245.58.249 among others, with 3 other IP addresses in total.

rayden.ns.cloudflare.com resolves to 108.162.195.163, 162.159.44.163 and 172.64.35.163 among others, with 3 other IP addresses in total.

iotengineer.cn - robtex.com

iotengineer.cn

cn