`school-book.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.afternic.com` ⭐
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com`
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net serial=1

`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=1785332827

Same first word

school-book.com

DNS History

6 records (4 active, 2 former)

●NSns1.afternic.com2026-03-13 → 2026-07-29 · 2 obs

● 2026-03-13 00:24:30
● 2026-07-29 13:55:52

●NSns2.afternic.com2026-03-13 → 2026-07-29 · 2 obs

● 2026-03-13 00:24:30
● 2026-07-29 13:55:52

●A13.248.169.482026-03-13 → 2026-07-29 · 3 obs

○ 2018-05-29 08:16:50
● 2026-03-13 00:24:30
● 2026-07-29 13:55:52

○A207.148.248.1432015-11-04 → 2018-05-29 · 5 obs

○ 2015-06-17 17:25:58
● 2015-11-04 13:10:46
● 2018-05-29 08:16:50
○ 2026-03-13 00:24:30
○ 2026-07-29 13:55:52

○A66.151.181.492015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 17:25:58
○ 2015-11-04 13:10:46
○ 2026-07-29 13:55:52

●A76.223.54.1462026-03-13 → 2026-07-29 · 3 obs

○ 2018-05-29 08:16:50
● 2026-03-13 00:24:30
● 2026-07-29 13:55:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net...	-
school-book.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for school-book.com (unsigned zone)

⏱️ Timing

Total: 211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns2.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

school-book.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146

Two other host names, along with alco.duckwall.com, cazq.com and mail.herandher.com, also share IP numbers with school-book.com.

Name Servers

school-book.com is served by two delegated name servers, ns1.afternic.com and ns2.afternic.com.

school-book.com shares its NS records with other domains, for example mayphotos.com, horsefoundation.org, clickprojects.com and two others.

school-book.com shares at least some of its name servers with other domains, including (0x62656567)eeay.com, xyznet.com, superbowl.la and two others.

These name servers are frequently seen alongside the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn, verification-k4ibaefv92b8mcahic8cdo.ns101.verify.hn and verification-wju5dwj8uvqsxme9szb7hp.ns101.verify.hn.

Each of the two host names carries two IP addresses: ns1.afternic.com points to 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com points to 173.201.66.69 and 2603:5:2226::45.

school-book.com - robtex.com

school-book.com

com