`qdfedu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:468c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:8831^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.140^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.49^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`meiling.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26fe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fe^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meiling.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fe^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meiling.ns.cloudflare.com`
		A	108.162.194.254^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	162.159.38.254^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	172.64.34.254^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
NS	`nash.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nash.ns.cloudflare.com`
		A	108.162.193.209^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	172.64.33.209^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	173.245.59.209^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.140, 172.67.136.49
		IPv6 hints	2606:4700:3030::6815:468c, 2606:4700:3030::ac43:8831
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com
SOA	`meiling.ns.cloudflare.com`dns@cloudflare.com serial=2409884097

`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=1785523332

rank #855137 globally
rank #368269 in the tld

Same first word

qdfedu.com

Similar names

qdfude.com

DNS History

21 records (6 active, 15 former)

○NSdns10.hichina.com2017-02-09 → 2017-02-09 · 4 obs

○ 2015-11-20 16:50:08
● 2017-02-09 17:28:14
○ 2018-10-18 05:14:28
○ 2026-07-31 18:50:18

○NSdns9.hichina.com2017-02-09 → 2017-02-09 · 4 obs

○ 2015-11-20 16:50:08
● 2017-02-09 17:28:14
○ 2018-10-18 05:14:28
○ 2026-07-31 18:50:18

●NSmeiling.ns.cloudflare.com2026-06-17 → 2026-07-31 · 3 obs

○ 2018-10-18 05:14:28
● 2026-06-17 18:26:28
● 2026-07-31 18:50:18

●NSnash.ns.cloudflare.com2026-06-17 → 2026-07-31 · 3 obs

○ 2018-10-18 05:14:28
● 2026-06-17 18:26:28
● 2026-07-31 18:50:18

○NSns4.dnsdun.com2018-10-18 → 2018-10-18 · 4 obs

○ 2017-02-09 17:28:14
● 2018-10-18 05:14:28
○ 2026-06-17 18:26:28
○ 2026-07-31 18:50:18

○NSns4.dnsdun.net2018-10-18 → 2018-10-18 · 4 obs

○ 2017-02-09 17:28:14
● 2018-10-18 05:14:28
○ 2026-06-17 18:26:28
○ 2026-07-31 18:50:18

○NSns41.domaincontrol.com2015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 19:04:20
○ 2015-11-20 16:50:08
○ 2026-07-31 18:50:18

○NSns42.domaincontrol.com2015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 19:04:20
○ 2015-11-20 16:50:08
○ 2026-07-31 18:50:18

○MXmailstore1.secureserver.net2015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 19:04:20
○ 2015-11-20 16:50:08
○ 2026-07-31 18:50:18

○MXmxn.mxhichina.com2017-02-09 → 2017-02-09 · 4 obs

○ 2015-11-20 16:50:08
● 2017-02-09 17:28:14
○ 2018-10-18 05:14:28
○ 2026-07-31 18:50:18

○MXmxw.mxhichina.com2017-02-09 → 2017-02-09 · 4 obs

○ 2015-11-20 16:50:08
● 2017-02-09 17:28:14
○ 2018-10-18 05:14:28
○ 2026-07-31 18:50:18

○MXsmtp.secureserver.net2015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 19:04:20
○ 2015-11-20 16:50:08
○ 2026-07-31 18:50:18

●A104.21.70.1402026-06-17 → 2026-07-31 · 3 obs

○ 2018-10-18 05:14:28
● 2026-06-17 18:26:28
● 2026-07-31 18:50:18

○A107.186.197.1462018-10-18 → 2018-10-18 · 4 obs

○ 2017-02-09 17:28:14
● 2018-10-18 05:14:28
○ 2026-06-17 18:26:28
○ 2026-07-31 18:50:18

○A114.215.211.2302017-02-09 → 2017-02-09 · 4 obs

○ 2015-11-20 16:50:08
● 2017-02-09 17:28:14
○ 2018-10-18 05:14:28
○ 2026-07-31 18:50:18

●A172.67.136.492026-06-17 → 2026-07-31 · 3 obs

○ 2018-10-18 05:14:28
● 2026-06-17 18:26:28
● 2026-07-31 18:50:18

○A184.168.221.692015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 19:04:20
○ 2015-11-20 16:50:08
○ 2026-07-31 18:50:18

●A2606:4700:3030::6815:468c2026-07-02 → 2026-07-31 · 3 obs

○ 2026-06-17 18:26:28
● 2026-07-02 09:13:48
● 2026-07-31 18:50:18

●A2606:4700:3030::ac43:88312026-07-02 → 2026-07-31 · 3 obs

○ 2026-06-17 18:26:28
● 2026-07-02 09:13:48
● 2026-07-31 18:50:18

○A2606:4700:3033::ac43:88312026-06-17 → 2026-06-17 · 4 obs

○ 2018-10-18 05:14:28
● 2026-06-17 18:26:28
○ 2026-07-02 09:13:48
○ 2026-07-31 18:50:18

○A2606:4700:3035::6815:468c2026-06-17 → 2026-06-17 · 4 obs

○ 2018-10-18 05:14:28
● 2026-06-17 18:26:28
○ 2026-07-02 09:13:48
○ 2026-07-31 18:50:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
qdfedu.com	nash.ns.cloudflare.com, meiling.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.209

NS records: nash.ns.cloudflare.com, meiling.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qdfedu.com (unsigned zone)

⏱️ Timing

Total: 205ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.136.49, 104.21.70.140`
AAAA	2	`2606:4700:3030::6815:468c, 2606:4700:3030::ac43:8831`
NS	2	`meiling.ns.cloudflare.com, nash.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`meiling.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

qdfedu.com has four IP addresses: 104.21.70.140, 172.67.136.49, 2606:4700:3030::6815:468c and 2606:4700:3030::ac43:8831.

Among the host names that share IP numbers with qdfedu.com are www.thubonggiakhai.com, cpcalendars.idevice-location.us, kasubianengine.click and two others.

Name Servers

qdfedu.com uses two name servers for its delegation: meiling.ns.cloudflare.com and nash.ns.cloudflare.com.

qdfedu.com has the same name server delegation as a number of other domains, such as ytneduplus.com, aspxsoft.com, kebuchina.com and two more.

qdfedu.com shares at least some of its name servers with other domains, including benzoco.com, alblagh.news, revjim71.org and two others.

These name servers are frequently paired with the name servers vasilii.ns.cloudflare.com, theo.ns.cloudflare.com and aspen.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname meiling.ns.cloudflare.com directs to 108.162.194.254, 162.159.38.254 and 172.64.34.254 along with 3 other IP addresses.

Hostname nash.ns.cloudflare.com directs to 108.162.193.209, 172.64.33.209 and 173.245.59.209 along with 3 other IP addresses.

qdfedu.com - robtex.com

qdfedu.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`qdfedu.com`

`com`