`bookofschool.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b5b1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:3854^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.84^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.177^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mary.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
NS	`porter.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cf3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`porter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`porter.ns.cloudflare.com`
		A	108.162.195.243^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	162.159.44.243^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	172.64.35.243^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
TXT	`google-site-verification=1GE6KNB3CpaqRxs8fIbtLPXxtZPJDHZA7XkdC6ktOvY`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.56.84, 172.67.181.177
		IPv6 hints	2606:4700:3030::ac43:b5b1, 2606:4700:3033::6815:3854
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com
SOA	`mary.ns.cloudflare.com`dns@cloudflare.com serial=2401355211

`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=1776209442

Same first word

bookofschool.com

DNS History

16 records (6 active, 10 former)

○NSdns1.name-services.com2015-06-18 → 2017-04-20 · 4 obs

● 2015-06-18 08:25:32
● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

○NSdns2.name-services.com2015-06-18 → 2017-04-20 · 4 obs

● 2015-06-18 08:25:32
● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

○NSdns3.name-services.com2015-06-18 → 2017-04-20 · 4 obs

● 2015-06-18 08:25:32
● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

○NSdns4.name-services.com2015-06-18 → 2017-04-20 · 4 obs

● 2015-06-18 08:25:32
● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

○NSdns5.name-services.com2015-06-18 → 2017-04-20 · 4 obs

● 2015-06-18 08:25:32
● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

●NSmary.ns.cloudflare.com2026-04-10 → 2026-04-14 · 3 obs

○ 2017-04-20 13:30:32
● 2026-04-10 15:54:10
● 2026-04-14 23:58:56

●NSporter.ns.cloudflare.com2026-04-10 → 2026-04-14 · 3 obs

○ 2017-04-20 13:30:32
● 2026-04-10 15:54:10
● 2026-04-14 23:58:56

○MXeforwardct.name-services.com2017-04-20 → 2017-04-20 · 3 obs

● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

○MXeforwardct2.name-services.com2017-04-20 → 2017-04-20 · 3 obs

● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

○MXeforwardct3.name-services.com2017-04-20 → 2017-04-20 · 3 obs

● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

●A104.21.56.842026-04-10 → 2026-04-14 · 3 obs

○ 2017-04-20 13:30:32
● 2026-04-10 15:54:10
● 2026-04-14 23:58:56

●A172.67.181.1772026-04-10 → 2026-04-14 · 3 obs

○ 2017-04-20 13:30:32
● 2026-04-10 15:54:10
● 2026-04-14 23:58:56

●A2606:4700:3030::ac43:b5b12026-04-10 → 2026-04-14 · 3 obs

○ 2017-04-20 13:30:32
● 2026-04-10 15:54:10
● 2026-04-14 23:58:56

●A2606:4700:3033::6815:38542026-04-10 → 2026-04-14 · 3 obs

○ 2017-04-20 13:30:32
● 2026-04-10 15:54:10
● 2026-04-14 23:58:56

○A50.57.187.1642015-06-18 → 2016-01-20 · 4 obs

● 2015-06-18 08:25:32
● 2016-01-20 22:21:00
○ 2016-04-10 07:31:20
○ 2026-04-14 23:58:56

○A98.124.199.1022016-04-10 → 2017-04-20 · 5 obs

○ 2016-01-20 22:21:00
● 2016-04-10 07:31:20
● 2017-04-20 13:30:32
○ 2026-04-10 15:54:10
○ 2026-04-14 23:58:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net...	-
bookofschool.com	mary.ns.cloudflare.com, porter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.243

NS records: mary.ns.cloudflare.com, porter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookofschool.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.181.177, 104.21.56.84`
AAAA	2	`2606:4700:3030::ac43:b5b1, 2606:4700:3033::6815:3854`
NS	2	`mary.ns.cloudflare.com, porter.ns.cloudflare.com`
TXT	1	`google-site-verification=1GE6KNB3CpaqRxs`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mary.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bookofschool.com maps to four IP numbers: 2606:4700:3030::ac43:b5b1, 2606:4700:3033::6815:3854, 104.21.56.84 and 172.67.181.177.

Other host names, for instance manukahoningwondverzorging.com, mail.richardwei.com, mail.hidroluna.com.br, broatcast.de and pettime.cz share IP numbers with bookofschool.com.

Name Servers

Two name servers mary.ns.cloudflare.com and porter.ns.cloudflare.com are delegated to bookofschool.com.

bookofschool.com uses the same name server configuration as other domains, such as mottandhesterdeli.com, fastbreaktomsriver.com, servingitright.com, artroleta.com and tortugafilms.com.

bookofschool.com at least partially shares name servers with other domains such as redkimonosushi.com, funtymelimo.com, hyjhg.com, cremationofsouthernmaine.com and mkluzkoviny.com.

These name servers are commonly used alongside miki.ns.cloudflare.com, gabe.ns.cloudflare.com and tess.ns.cloudflare.com.

Host names with six IP numbers: Host name mary.ns.cloudflare.com points to 2606:4700:50::adf5:3a86, 2803:f800:50::6ca2:c086, 2a06:98c1:50::ac40:2086, 108.162.192.134, 172.64.32.134 and 173.245.58.134; host name porter.ns.cloudflare.com points to 2606:4700:58::a29f:2cf3, 2803:f800:50::6ca2:c3f3, 2a06:98c1:50::ac40:23f3, 108.162.195.243, 162.159.44.243 and 172.64.35.243.

bookofschool.com - robtex.com