`diandaoedu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5261^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:c7e3^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.97^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.227^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`colin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c4b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`colin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`colin.ns.cloudflare.com`
		A	108.162.195.75^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	162.159.44.75^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	172.64.35.75^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.97, 172.67.199.227
		IPv6 hints	2606:4700:3030::6815:5261, 2606:4700:3032::ac43:c7e3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2409257180

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783932302

Same first word

diandaoedu.com

DNS History

19 records (6 active, 13 former)

●NSamanda.ns.cloudflare.com2026-05-17 → 2026-07-13 · 3 obs

○ 2020-01-10 07:05:18
● 2026-05-17 03:27:30
● 2026-07-13 09:02:58

●NScolin.ns.cloudflare.com2026-05-17 → 2026-07-13 · 3 obs

○ 2020-01-10 07:05:18
● 2026-05-17 03:27:30
● 2026-07-13 09:02:58

○NSjm1.dns.com2020-01-10 → 2020-01-10 · 4 obs

○ 2016-12-15 20:59:02
● 2020-01-10 07:05:18
○ 2026-05-17 03:27:30
○ 2026-07-13 09:02:58

○NSjm2.dns.com2020-01-10 → 2020-01-10 · 4 obs

○ 2016-12-15 20:59:02
● 2020-01-10 07:05:18
○ 2026-05-17 03:27:30
○ 2026-07-13 09:02:58

○NSreg.qycn.cn2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:59:02
○ 2020-01-10 07:05:18
○ 2026-07-13 09:02:58

○NSreg.qycn.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:59:02
○ 2020-01-10 07:05:18
○ 2026-07-13 09:02:58

○NSreg.qycn.net2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:59:02
○ 2020-01-10 07:05:18
○ 2026-07-13 09:02:58

○NSreg.qycn.org2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:59:02
○ 2020-01-10 07:05:18
○ 2026-07-13 09:02:58

●A104.21.82.972026-05-17 → 2026-07-13 · 6 obs

○ 2016-12-15 20:59:02
● 2026-05-17 03:27:30
● 2026-06-07 22:33:52
○ 2026-06-23 13:22:34
● 2026-07-02 03:44:10
● 2026-07-13 09:02:58

○A119.254.162.2062016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:59:02
○ 2026-05-17 03:27:30
○ 2026-07-13 09:02:58

●A172.67.199.2272026-05-17 → 2026-07-13 · 6 obs

○ 2016-12-15 20:59:02
● 2026-05-17 03:27:30
● 2026-06-07 22:33:52
○ 2026-06-23 13:22:34
● 2026-07-02 03:44:10
● 2026-07-13 09:02:58

○A188.114.96.02026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-07 22:33:52
● 2026-06-23 13:22:34
○ 2026-07-02 03:44:10
○ 2026-07-13 09:02:58

○A188.114.97.02026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-07 22:33:52
● 2026-06-23 13:22:34
○ 2026-07-02 03:44:10
○ 2026-07-13 09:02:58

●A2606:4700:3030::6815:52612026-07-02 → 2026-07-13 · 3 obs

○ 2026-06-23 13:22:34
● 2026-07-02 03:44:10
● 2026-07-13 09:02:58

●A2606:4700:3032::ac43:c7e32026-07-02 → 2026-07-13 · 3 obs

○ 2026-06-23 13:22:34
● 2026-07-02 03:44:10
● 2026-07-13 09:02:58

○A2606:4700:3034::6815:52612026-05-17 → 2026-06-07 · 5 obs

○ 2016-12-15 20:59:02
● 2026-05-17 03:27:30
● 2026-06-07 22:33:52
○ 2026-06-23 13:22:34
○ 2026-07-13 09:02:58

○A2606:4700:3034::ac43:c7e32026-05-17 → 2026-06-07 · 5 obs

○ 2016-12-15 20:59:02
● 2026-05-17 03:27:30
● 2026-06-07 22:33:52
○ 2026-06-23 13:22:34
○ 2026-07-13 09:02:58

○A2a06:98c1:3120::2026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-07 22:33:52
● 2026-06-23 13:22:34
○ 2026-07-02 03:44:10
○ 2026-07-13 09:02:58

○A2a06:98c1:3121::2026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-07 22:33:52
● 2026-06-23 13:22:34
○ 2026-07-02 03:44:10
○ 2026-07-13 09:02:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
diandaoedu.com	amanda.ns.cloudflare.com, colin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.75

NS records: amanda.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for diandaoedu.com (unsigned zone)

⏱️ Timing

Total: 111ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.82.97, 172.67.199.227`
AAAA	2	`2606:4700:3032::ac43:c7e3, 2606:4700:3030::6815:5261`
NS	2	`amanda.ns.cloudflare.com, colin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (amanda.ns.cloudflare.com, amanda.ns.cloudflare.com, amanda.ns.cloudflare.com...)

Analysis

IP Addresses

diandaoedu.com resolves to four IP addresses: 104.21.82.97, 172.67.199.227, 2606:4700:3030::6815:5261 and 2606:4700:3032::ac43:c7e3.

Additional host names — goodride-reifen.de, union-investment.cz, miltonscene.com and two others — share IP numbers with diandaoedu.com.

Name Servers

DNS delegation for diandaoedu.com points to two name servers: amanda.ns.cloudflare.com and colin.ns.cloudflare.com.

diandaoedu.com shares its name server setup with other domains, including chinahongliang.com, wzflgy.com, yinuoyou.com and two others.

diandaoedu.com shares at least some of its name servers with other domains, including gcgc.cc, jnjdqy.com, tortillas.be and two others.

These name servers are frequently seen alongside the name servers jewel.ns.cloudflare.com, laylah.ns.cloudflare.com, noor.ns.cloudflare.com and andy.ns.cloudflare.com.

Host names with 6 IP numbers:

amanda.ns.cloudflare.com has IP addresses 108.162.192.63, 172.64.32.63 and 173.245.58.63, plus 3 other.

colin.ns.cloudflare.com has IP addresses 108.162.195.75, 162.159.44.75 and 172.64.35.75, plus 3 other.

diandaoedu.com - robtex.com

diandaoedu.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`diandaoedu.com`

`com`