school-stack.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`school-stack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:cbd4^{Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:5aba^{Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.186^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.212^{Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`andronicus.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c371^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`andronicus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2371^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`andronicus.ns.cloudflare.com`
		A	108.162.195.113^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	162.159.44.113^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	172.64.35.113^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
NS	`kallie.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	2607:f8b0:4004:c2f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`rz-in-f26.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
TXT	`google-site-verification=DKVNqTgHBlaoUOTK_uemCKa4MRocplfsmAK88wM7RtY`
TXT	`google-site-verification=M0rMLsQm9dlS2bSp2HLzmeTV62KCzNPF0MVkXLEv-2A`
TXT	`google-site-verification=yjS0pf9r8GbRZGY8mMckq7tyb7E5sgiPTaHqPozCpSg`
TXT	`v=spf1 +a +mx +ip4:198.54.114.106 include:spf.web-hosting.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.186, 172.67.203.212
		IPv6 hints	2606:4700:3032::ac43:cbd4, 2606:4700:3035::6815:5aba
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=219, name=cloudflare-ech.com
SOA	`andronicus.ns.cloudflare.com`dns@cloudflare.com serial=2417181059

`com`

	DNSSEC	⚠️ Not signed
	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=1794293211

Same first word

school-stack.net

school-stack.com

Similar names

stack-school.pages.dev

DNS History

11 records (7 active, 4 former)

●NSandronicus.ns.cloudflare.com2026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 20:27:14
● 2026-11-10 07:11:14

●NSkallie.ns.cloudflare.com2026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 20:27:14
● 2026-11-10 07:11:14

●MXsmtp.google.com2026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 20:27:14
● 2026-11-10 07:11:14

●A104.21.90.1862026-10-08 → 2026-11-10 · 5 obs

○ 2026-08-25 20:27:14
● 2026-10-08 06:54:40
○ 2026-10-19 09:51:32
● 2026-11-04 11:06:48
● 2026-11-10 07:11:14

●A172.67.203.2122026-10-08 → 2026-11-10 · 5 obs

○ 2026-08-25 20:27:14
● 2026-10-08 06:54:40
○ 2026-10-19 09:51:32
● 2026-11-04 11:06:48
● 2026-11-10 07:11:14

○A188.114.96.02026-08-25 → 2026-10-19 · 5 obs

● 2026-08-25 20:27:14
○ 2026-10-08 06:54:40
● 2026-10-19 09:51:32
○ 2026-11-04 11:06:48
○ 2026-11-10 07:11:14

○A188.114.97.02026-08-25 → 2026-10-19 · 5 obs

● 2026-08-25 20:27:14
○ 2026-10-08 06:54:40
● 2026-10-19 09:51:32
○ 2026-11-04 11:06:48
○ 2026-11-10 07:11:14

●A2606:4700:3032::ac43:cbd42026-10-08 → 2026-11-10 · 5 obs

○ 2026-08-25 20:27:14
● 2026-10-08 06:54:40
○ 2026-10-19 09:51:32
● 2026-11-04 11:06:48
● 2026-11-10 07:11:14

●A2606:4700:3035::6815:5aba2026-10-08 → 2026-11-10 · 5 obs

○ 2026-08-25 20:27:14
● 2026-10-08 06:54:40
○ 2026-10-19 09:51:32
● 2026-11-04 11:06:48
● 2026-11-10 07:11:14

○A2a06:98c1:3120::2026-08-25 → 2026-10-19 · 5 obs

● 2026-08-25 20:27:14
○ 2026-10-08 06:54:40
● 2026-10-19 09:51:32
○ 2026-11-04 11:06:48
○ 2026-11-10 07:11:14

○A2a06:98c1:3121::2026-08-25 → 2026-10-19 · 5 obs

● 2026-08-25 20:27:14
○ 2026-10-08 06:54:40
● 2026-10-19 09:51:32
○ 2026-11-04 11:06:48
○ 2026-11-10 07:11:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
school-stack.com	kallie.ns.cloudflare.com, andronicus.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.113

NS records: kallie.ns.cloudflare.com, andronicus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.186, 172.67.203.212`
AAAA	2	`2606:4700:3032::ac43:cbd4, 2606:4700:3035::6815:5aba`
NS	2	`andronicus.ns.cloudflare.com, kallie.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	4	`google-site-verification=DKVNqTgHBlaoUOT, google-site-verification=M0rMLsQm9dlS2bS...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`andronicus.ns.cloudflare.com dns.cloudfl`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

school-stack.com has four IP addresses: 104.21.90.186, 172.67.203.212, 2606:4700:3032::ac43:cbd4 and 2606:4700:3035::6815:5aba.

Name Servers

DNS delegation for school-stack.com points to two name servers: andronicus.ns.cloudflare.com and kallie.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

andronicus.ns.cloudflare.com has IP addresses 108.162.195.113, 162.159.44.113 and 172.64.35.113, plus 3 other.

Mail Servers

Mail for school-stack.com is handled by a single mail server, smtp.google.com.

smtp.google.com resolves to 9 IP addresses — 172.253.62.26, 172.253.115.26, 172.253.115.27 and 6 others.