hdszedu.com - dns.ninja

`hdszedu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:85db^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5d4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.212^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.219^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`damon.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c160^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`damon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2160^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`damon.ns.cloudflare.com`
		A	108.162.193.96^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damon.ns.cloudflare.com`
		A	172.64.33.96^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damon.ns.cloudflare.com`
		A	173.245.59.96^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damon.ns.cloudflare.com`
NS	`ines.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ines.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ines.ns.cloudflare.com`
		A	108.162.192.164^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	172.64.32.164^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	173.245.58.164^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.212, 172.67.133.219
		IPv6 hints	2606:4700:3031::ac43:85db, 2606:4700:3037::6815:5d4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com
SOA	`damon.ns.cloudflare.com`dns@cloudflare.com serial=2408721324

`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=1785525082

Same first word

hdszedu.cn

hdszedu.com

Similar names

dudshez.net

shzdedu.com

sdzhedu.com

DNS History

17 records (6 active, 11 former)

●NSdamon.ns.cloudflare.com2026-03-26 → 2026-07-31 · 3 obs

○ 2017-04-09 03:25:04
● 2026-03-26 09:34:08
● 2026-07-31 19:32:34

○NSf1g1ns1.dnspod.net2016-09-19 → 2017-04-09 · 5 obs

○ 2015-12-15 00:51:00
● 2016-09-19 01:30:00
● 2017-04-09 03:25:04
○ 2026-03-26 09:34:08
○ 2026-07-31 19:32:34

○NSf1g1ns2.dnspod.net2016-09-19 → 2017-04-09 · 5 obs

○ 2015-12-15 00:51:00
● 2016-09-19 01:30:00
● 2017-04-09 03:25:04
○ 2026-03-26 09:34:08
○ 2026-07-31 19:32:34

●NSines.ns.cloudflare.com2026-03-26 → 2026-07-31 · 3 obs

○ 2017-04-09 03:25:04
● 2026-03-26 09:34:08
● 2026-07-31 19:32:34

○NSns.hdszedu.com2015-06-03 → 2015-12-15 · 4 obs

● 2015-06-03 12:35:08
● 2015-12-15 00:51:00
○ 2016-09-19 01:30:00
○ 2026-07-31 19:32:34

○MXmail.skrimple.com2016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 02:38:54
○ 2016-09-19 01:30:00
○ 2026-07-31 19:32:34

●A104.21.5.2122026-03-26 → 2026-07-31 · 8 obs

○ 2016-09-19 01:30:00
● 2026-03-26 09:34:08
○ 2026-03-30 11:03:44
● 2026-04-23 22:37:54
● 2026-05-11 20:37:50
○ 2026-06-10 15:26:32
○ 2026-06-16 00:44:10
● 2026-07-31 19:32:34

●A172.67.133.2192026-03-26 → 2026-07-31 · 8 obs

○ 2016-09-19 01:30:00
● 2026-03-26 09:34:08
○ 2026-03-30 11:03:44
● 2026-04-23 22:37:54
● 2026-05-11 20:37:50
○ 2026-06-10 15:26:32
○ 2026-06-16 00:44:10
● 2026-07-31 19:32:34

○A188.114.96.02026-03-30 → 2026-06-16 · 7 obs

○ 2026-03-26 09:34:08
● 2026-03-30 11:03:44
○ 2026-04-23 22:37:54
○ 2026-05-11 20:37:50
● 2026-06-10 15:26:32
● 2026-06-16 00:44:10
○ 2026-07-31 19:32:34

○A188.114.97.02026-03-30 → 2026-06-16 · 7 obs

○ 2026-03-26 09:34:08
● 2026-03-30 11:03:44
○ 2026-04-23 22:37:54
○ 2026-05-11 20:37:50
● 2026-06-10 15:26:32
● 2026-06-16 00:44:10
○ 2026-07-31 19:32:34

○A2606:4700:3030::ac43:85db2026-03-26 → 2026-05-11 · 7 obs

○ 2016-09-19 01:30:00
● 2026-03-26 09:34:08
○ 2026-03-30 11:03:44
● 2026-04-23 22:37:54
● 2026-05-11 20:37:50
○ 2026-06-10 15:26:32
○ 2026-07-31 19:32:34

○A2606:4700:3031::6815:5d42026-03-26 → 2026-05-11 · 7 obs

○ 2016-09-19 01:30:00
● 2026-03-26 09:34:08
○ 2026-03-30 11:03:44
● 2026-04-23 22:37:54
● 2026-05-11 20:37:50
○ 2026-06-10 15:26:32
○ 2026-07-31 19:32:34

●A2606:4700:3031::ac43:85db2026-07-31 → 2026-07-31 · 2 obs

○ 2026-06-16 00:44:10
● 2026-07-31 19:32:34

●A2606:4700:3037::6815:5d42026-07-31 → 2026-07-31 · 2 obs

○ 2026-06-16 00:44:10
● 2026-07-31 19:32:34

○A2a06:98c1:3120::2026-03-30 → 2026-06-16 · 7 obs

○ 2026-03-26 09:34:08
● 2026-03-30 11:03:44
○ 2026-04-23 22:37:54
○ 2026-05-11 20:37:50
● 2026-06-10 15:26:32
● 2026-06-16 00:44:10
○ 2026-07-31 19:32:34

○A2a06:98c1:3121::2026-03-30 → 2026-06-16 · 7 obs

○ 2026-03-26 09:34:08
● 2026-03-30 11:03:44
○ 2026-04-23 22:37:54
○ 2026-05-11 20:37:50
● 2026-06-10 15:26:32
● 2026-06-16 00:44:10
○ 2026-07-31 19:32:34

○A69.46.84.522016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 02:38:54
○ 2016-09-19 01:30:00
○ 2026-07-31 19:32:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
hdszedu.com	damon.ns.cloudflare.com, ines.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.96

NS records: damon.ns.cloudflare.com, ines.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hdszedu.com (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.219, 104.21.5.212`
AAAA	2	`2606:4700:3031::ac43:85db, 2606:4700:3037::6815:5d4`
NS	2	`damon.ns.cloudflare.com, ines.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`damon.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

hdszedu.com has four IP addresses: 104.21.5.212, 172.67.133.219, 2606:4700:3031::ac43:85db and 2606:4700:3037::6815:5d4.

Two other host names, along with arkacadde.org, kevinhq.com and mxsa.com.cn, also share IP numbers with hdszedu.com.

Name Servers

hdszedu.com is served by two delegated name servers, damon.ns.cloudflare.com and ines.ns.cloudflare.com.

hdszedu.com shares its NS records with other domains, for example ifiacn.net, shreduaa.com, huwaiclub.com and two others.

hdszedu.com shares at least some of its name servers with other domains, including mad-email.com, negociosreforma.com, 1466888.com and two others.

These name servers are frequently seen alongside dns1.ednsglobal.net, dns2.ednsglobal.net, dns3.ednsglobal.net and 3 other name servers.

DNS names with 6 IP addresses:

damon.ns.cloudflare.com carries IP addresses 108.162.193.96, 172.64.33.96 and 173.245.59.96, with 3 other addresses beyond those.

ines.ns.cloudflare.com carries IP addresses 108.162.192.164, 172.64.32.164 and 173.245.58.164, with 3 other addresses beyond those.