`yddschool.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:44c1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c60b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.193^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.11^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darwin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c197^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darwin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2197^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darwin.ns.cloudflare.com`
		A	108.162.193.151^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	172.64.33.151^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	173.245.59.151^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
NS	`opal.ns.cloudflare.com`
		A	2606:4700:50::a29f:2664^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c264^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`opal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2264^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`opal.ns.cloudflare.com`
		A	108.162.194.100^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	162.159.38.100^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	172.64.34.100^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.68.193, 172.67.198.11
		IPv6	2606:4700:3035::6815:44c1, 2606:4700:3036::ac43:c60b
SOA	`darwin.ns.cloudflare.com`dns@cloudflare.com serial=2399622193

`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=1774631462

Same first word

yddschool.com

DNS History

22 records (6 active, 16 former)

●NSdarwin.ns.cloudflare.com2026-03-27 → 2026-03-27 · 3 obs

○ 2020-01-28 07:00:56
● 2026-03-27 17:22:24
● 2026-03-27 17:22:28

○NSns1.parkingcrew.net2015-07-20 → 2016-03-12 · 4 obs

● 2015-07-20 13:55:08
● 2016-03-12 03:26:32
○ 2016-07-14 05:50:00
○ 2026-03-27 17:22:28

○NSns2.parkingcrew.net2015-07-20 → 2016-03-12 · 4 obs

● 2015-07-20 13:55:08
● 2016-03-12 03:26:32
○ 2016-07-14 05:50:00
○ 2026-03-27 17:22:28

○NSns3.domainingdepot.com2016-07-14 → 2016-07-14 · 4 obs

○ 2016-03-12 03:26:32
● 2016-07-14 05:50:00
○ 2020-01-28 07:00:56
○ 2026-03-27 17:22:28

○NSns4.domainingdepot.com2016-07-14 → 2016-07-14 · 4 obs

○ 2016-03-12 03:26:32
● 2016-07-14 05:50:00
○ 2020-01-28 07:00:56
○ 2026-03-27 17:22:28

●NSopal.ns.cloudflare.com2026-03-27 → 2026-03-27 · 3 obs

○ 2020-01-28 07:00:56
● 2026-03-27 17:22:24
● 2026-03-27 17:22:28

○NSvip1.alidns.com2020-01-28 → 2020-01-28 · 4 obs

○ 2016-07-14 05:50:00
● 2020-01-28 07:00:56
○ 2026-03-27 17:22:24
○ 2026-03-27 17:22:28

○NSvip2.alidns.com2020-01-28 → 2020-01-28 · 4 obs

○ 2016-07-14 05:50:00
● 2020-01-28 07:00:56
○ 2026-03-27 17:22:24
○ 2026-03-27 17:22:28

○NSyddschool.com2016-07-14 → 2016-07-14 · 4 obs

○ 2016-03-12 03:26:32
● 2016-07-14 05:50:00
○ 2020-01-28 07:00:56
○ 2026-03-27 17:22:28

○MXmail.h-email.net2015-07-20 → 2016-03-12 · 4 obs

● 2015-07-20 13:55:08
● 2016-03-12 03:26:32
○ 2016-07-14 05:50:00
○ 2026-03-27 17:22:28

○MXmx7.yddschool.com2016-07-14 → 2016-07-14 · 4 obs

○ 2016-03-12 03:26:32
● 2016-07-14 05:50:00
○ 2020-01-28 07:00:56
○ 2026-03-27 17:22:28

●A104.21.68.1932026-03-27 → 2026-03-27 · 3 obs

○ 2020-01-28 07:00:56
● 2026-03-27 17:22:24
● 2026-03-27 17:22:28

●A172.67.198.112026-03-27 → 2026-03-27 · 3 obs

○ 2020-01-28 07:00:56
● 2026-03-27 17:22:24
● 2026-03-27 17:22:28

○A188.114.96.02026-03-27 → 2026-03-27 · 2 obs

○ 2026-03-27 17:22:24
○ 2026-03-27 17:22:28

○A188.114.97.02026-03-27 → 2026-03-27 · 2 obs

○ 2026-03-27 17:22:24
○ 2026-03-27 17:22:28

○A209.132.243.2422016-07-14 → 2016-07-14 · 4 obs

○ 2016-03-12 03:26:32
● 2016-07-14 05:50:00
○ 2020-01-28 07:00:56
○ 2026-03-27 17:22:28

●A2606:4700:3035::6815:44c12026-03-27 → 2026-03-27 · 3 obs

○ 2020-01-28 07:00:56
● 2026-03-27 17:22:24
● 2026-03-27 17:22:28

●A2606:4700:3036::ac43:c60b2026-03-27 → 2026-03-27 · 3 obs

○ 2020-01-28 07:00:56
● 2026-03-27 17:22:24
● 2026-03-27 17:22:28

○A2a06:98c1:3120::2026-03-27 → 2026-03-27 · 2 obs

○ 2026-03-27 17:22:24
○ 2026-03-27 17:22:28

○A2a06:98c1:3121::2026-03-27 → 2026-03-27 · 2 obs

○ 2026-03-27 17:22:24
○ 2026-03-27 17:22:28

○A54.72.11.2532015-07-20 → 2016-03-12 · 4 obs

● 2015-07-20 13:55:08
● 2016-03-12 03:26:32
○ 2016-07-14 05:50:00
○ 2026-03-27 17:22:28

○CNAMEdns-global.sxl.cn2020-01-28 → 2020-01-28 · 3 obs

● 2020-01-28 07:00:56
○ 2026-03-27 17:22:24
○ 2026-03-27 17:22:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
yddschool.com	darwin.ns.cloudflare.com, opal.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.151

NS records: darwin.ns.cloudflare.com, opal.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yddschool.com (unsigned zone)

⏱️ Timing

Total: 146ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.198.11, 104.21.68.193`
AAAA	2	`2606:4700:3036::ac43:c60b, 2606:4700:3035::6815:44c1`
NS	2	`darwin.ns.cloudflare.com, opal.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darwin.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

yddschool.com resolves to four IP numbers: 2606:4700:3035::6815:44c1, 2606:4700:3036::ac43:c60b, 104.21.68.193 and 172.67.198.11.

other host names for instance olympicpitch.co.uk, adonaidispensary.co.tz, mew.net, xhjdl.com and topmarketslinks.com share IP numbers with yddschool.com.

Name Servers

yddschool.com is delegated to two name servers: darwin.ns.cloudflare.com and opal.ns.cloudflare.com.

yddschool.com shares the same name server setup as other domains, for example investami.com, gcki.cn, weakey.com, evilst.cn and eawtn.com.

yddschool.com at least partially shares name servers with other domains, for instance forcedrop.gg, nudua.com, xdisplay.cn, hitsale.net and tonina.ltd.

These name servers are commonly used with kia.ns.cloudflare.com, ada.ns.cloudflare.com, jasper.ns.cloudflare.com and olof.ns.cloudflare.com.

Host names with six IP numbers:

darwin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b97, 2803:f800:50::6ca2:c197, 2a06:98c1:50::ac40:2197, 108.162.193.151, 172.64.33.151 and 173.245.59.151; opal.ns.cloudflare.com points to: 2606:4700:50::a29f:2664, 2803:f800:50::6ca2:c264, 2a06:98c1:50::ac40:2264, 108.162.194.100, 162.159.38.100 and 172.64.34.100.

yddschool.com - robtex.com

yddschool.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

`yddschool.com`

`com`