`computer-school.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=1776100932

Subdomains

hostmaster.computer-school.com

Same first word

computer-school.com

DNS History

11 records (4 active, 7 former)

○NSns.buydomains.com2017-04-05 → 2017-04-05 · 3 obs

● 2017-04-05 00:25:30
○ 2020-01-19 13:02:26
○ 2026-04-13 17:30:24

●NSns1.afternic.com2026-04-12 → 2026-04-13 · 3 obs

○ 2020-01-19 13:02:26
● 2026-04-12 13:04:56
● 2026-04-13 17:30:24

●NSns2.afternic.com2026-04-12 → 2026-04-13 · 3 obs

○ 2020-01-19 13:02:26
● 2026-04-12 13:04:56
● 2026-04-13 17:30:24

○NSnsg1.namebrightdns.com2020-01-19 → 2020-01-19 · 4 obs

○ 2017-04-05 00:25:30
● 2020-01-19 13:02:26
○ 2026-04-12 13:04:56
○ 2026-04-13 17:30:24

○NSnsg2.namebrightdns.com2020-01-19 → 2020-01-19 · 4 obs

○ 2017-04-05 00:25:30
● 2020-01-19 13:02:26
○ 2026-04-12 13:04:56
○ 2026-04-13 17:30:24

●A13.248.169.482026-04-12 → 2026-04-13 · 3 obs

○ 2020-01-19 13:02:26
● 2026-04-12 13:04:56
● 2026-04-13 17:30:24

○A207.148.248.1432015-11-11 → 2016-07-11 · 5 obs

○ 2015-07-05 02:23:46
● 2015-11-11 23:36:16
● 2016-07-11 16:23:38
○ 2017-04-05 00:25:30
○ 2026-04-13 17:30:24

○A207.148.248.1452017-04-05 → 2017-04-05 · 4 obs

○ 2016-07-11 16:23:38
● 2017-04-05 00:25:30
○ 2020-01-19 13:02:26
○ 2026-04-13 17:30:24

○A66.151.181.492015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 02:23:46
○ 2015-11-11 23:36:16
○ 2026-04-13 17:30:24

●A76.223.54.1462026-04-12 → 2026-04-13 · 3 obs

○ 2020-01-19 13:02:26
● 2026-04-12 13:04:56
● 2026-04-13 17:30:24

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-01-19 → 2020-01-19 · 3 obs

● 2020-01-19 13:02:26
○ 2026-04-12 13:04:56
○ 2026-04-13 17:30:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
computer-school.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 computer-school.com (unsigned zone)

⏱️ Timing

Total: 80ms | 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

Hierarchy

computer-school.com is a parent of hostmaster.computer-school.com.

IP Addresses

computer-school.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance mail-internal.invision.net, saria.io, mail.wanderluststudios.com, dartfan.nl and kissmd.com share IP numbers with computer-school.com.

Name Servers

Delegation for computer-school.com rests with two name servers, ns1.afternic.com and ns2.afternic.com.

computer-school.com shares the same name server setup as other domains, including tylerboats.com, workflowstream.com, ndb1.schoolcenter.com, mail.maabar.com and mail.marinavisconti.com.

computer-school.com at least partially shares name servers with other domains, for instance odvz.com, cj7.net, accessib.com, nhu.be and tv-app.com.

These name servers are commonly used with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.

Host names with two IP numbers: ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.

computer-school.com - robtex.com