`yourschoolguide.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:99c8^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:50cb^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.203^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.200^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dilbert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dilbert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dilbert.ns.cloudflare.com`
		A	108.162.193.155^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	172.64.33.155^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	173.245.59.155^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
NS	`melody.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melody.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melody.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melody.ns.cloudflare.com`
		A	108.162.194.250^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melody.ns.cloudflare.com`
		A	162.159.38.250^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melody.ns.cloudflare.com`
		A	172.64.34.250^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melody.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.203, 172.67.153.200
		IPv6 hints	2606:4700:3036::ac43:99c8, 2606:4700:3037::6815:50cb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOA	`dilbert.ns.cloudflare.com`dns@cloudflare.com serial=2401407613

`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=1776005177

Same first word

yourschoolguide.com

DNS History

19 records (6 active, 13 former)

●NSdilbert.ns.cloudflare.com2026-03-27 → 2026-04-12 · 3 obs

○ 2017-01-04 04:29:26
● 2026-03-27 16:55:30
● 2026-04-12 15:00:32

●NSmelody.ns.cloudflare.com2026-03-27 → 2026-04-12 · 3 obs

○ 2017-01-04 04:29:26
● 2026-03-27 16:55:30
● 2026-04-12 15:00:32

○NSns1.kouming.net2026-03-27 → 2026-04-12 · 2 obs

○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○NSns2.kouming.net2026-03-27 → 2026-04-12 · 2 obs

○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○NSns25.domaincontrol.com2015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 20:32:10
● 2017-01-04 04:29:26
○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○NSns26.domaincontrol.com2015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 20:32:10
● 2017-01-04 04:29:26
○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○MXalt1.aspmx.l.google.com2016-08-18 → 2017-01-04 · 5 obs

○ 2016-02-20 01:09:42
● 2016-08-18 04:42:44
● 2017-01-04 04:29:26
○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○MXalt2.aspmx.l.google.com2016-08-18 → 2017-01-04 · 5 obs

○ 2016-02-20 01:09:42
● 2016-08-18 04:42:44
● 2017-01-04 04:29:26
○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○MXaspmx.l.google.com2016-08-18 → 2017-01-04 · 5 obs

○ 2016-02-20 01:09:42
● 2016-08-18 04:42:44
● 2017-01-04 04:29:26
○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○MXaspmx2.googlemail.com2016-08-18 → 2017-01-04 · 5 obs

○ 2016-02-20 01:09:42
● 2016-08-18 04:42:44
● 2017-01-04 04:29:26
○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○MXaspmx3.googlemail.com2016-08-18 → 2017-01-04 · 5 obs

○ 2016-02-20 01:09:42
● 2016-08-18 04:42:44
● 2017-01-04 04:29:26
○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

○MXmailstore1.secureserver.net2015-08-21 → 2016-02-20 · 4 obs

● 2015-08-21 20:32:10
● 2016-02-20 01:09:42
○ 2016-08-18 04:42:44
○ 2026-04-12 15:00:32

○MXsmtp.secureserver.net2015-08-21 → 2016-02-20 · 4 obs

● 2015-08-21 20:32:10
● 2016-02-20 01:09:42
○ 2016-08-18 04:42:44
○ 2026-04-12 15:00:32

●A104.21.80.2032026-03-27 → 2026-04-12 · 3 obs

○ 2017-01-04 04:29:26
● 2026-03-27 16:55:30
● 2026-04-12 15:00:32

○A139.162.59.1932016-08-18 → 2017-01-04 · 5 obs

○ 2016-02-20 01:09:42
● 2016-08-18 04:42:44
● 2017-01-04 04:29:26
○ 2026-03-27 16:55:30
○ 2026-04-12 15:00:32

●A172.67.153.2002026-03-27 → 2026-04-12 · 3 obs

○ 2017-01-04 04:29:26
● 2026-03-27 16:55:30
● 2026-04-12 15:00:32

●A2606:4700:3036::ac43:99c82026-03-27 → 2026-04-12 · 3 obs

○ 2017-01-04 04:29:26
● 2026-03-27 16:55:30
● 2026-04-12 15:00:32

●A2606:4700:3037::6815:50cb2026-03-27 → 2026-04-12 · 3 obs

○ 2017-01-04 04:29:26
● 2026-03-27 16:55:30
● 2026-04-12 15:00:32

○A50.63.202.342015-08-21 → 2016-02-20 · 4 obs

● 2015-08-21 20:32:10
● 2016-02-20 01:09:42
○ 2016-08-18 04:42:44
○ 2026-04-12 15:00:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yourschoolguide.com	dilbert.ns.cloudflare.com, melody.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.155

NS records: dilbert.ns.cloudflare.com, melody.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yourschoolguide.com (unsigned zone)

⏱️ Timing

Total: 143ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.153.200, 104.21.80.203`
AAAA	2	`2606:4700:3037::6815:50cb, 2606:4700:3036::ac43:99c8`
NS	2	`dilbert.ns.cloudflare.com, melody.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dilbert.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

yourschoolguide.com points to four IP numbers: 2606:4700:3036::ac43:99c8, 2606:4700:3037::6815:50cb, 104.21.80.203 and 172.67.153.200.

For instance, other host names www.digital-flow-architecture.com, lolan.com.cn, laberny.net, readvanced.com and castiglione-racingparts.it share IP numbers with yourschoolguide.com.

Name Servers

yourschoolguide.com is delegated to two name servers: dilbert.ns.cloudflare.com and melody.ns.cloudflare.com.

yourschoolguide.com uses the same name server setup as other domains such as tongchuangwang.com, 433468.com, leverfun.com, 9uwang.com and uanai.com.

yourschoolguide.com shares name servers with other domains at least partially, for example holmwood.id.au, beutler.com, whiterose.io, smileline.com.tw and shapeyourbiz.com.

These name servers are commonly used with rocky.ns.cloudflare.com.

Host names with six IP numbers: host name dilbert.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9b, 2803:f800:50::6ca2:c19b, 2a06:98c1:50::ac40:219b, 108.162.193.155, 172.64.33.155 and 173.245.59.155; host name melody.ns.cloudflare.com points to: 2606:4700:50::a29f:26fa, 2803:f800:50::6ca2:c2fa, 2a06:98c1:50::ac40:22fa, 108.162.194.250, 162.159.38.250 and 172.64.34.250.

yourschoolguide.com - robtex.com