`instructorsonline.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=1771291435

Same first word

instructorsonline.com

DNS History

6 records (4 active, 2 former)

●NSns1.afternic.com2026-03-03 → 2026-03-22 · 2 obs

● 2026-03-03 19:31:12
● 2026-03-22 14:56:30

●NSns2.afternic.com2026-03-03 → 2026-03-22 · 2 obs

● 2026-03-03 19:31:12
● 2026-03-22 14:56:30

●A13.248.169.482026-03-03 → 2026-03-22 · 3 obs

○ 2017-06-09 16:12:42
● 2026-03-03 19:31:12
● 2026-03-22 14:56:30

○A207.148.248.1432015-10-18 → 2017-06-09 · 5 obs

○ 2015-04-30 15:21:08
● 2015-10-18 15:40:52
● 2017-06-09 16:12:42
○ 2026-03-03 19:31:12
○ 2026-03-22 14:56:30

○A66.151.181.492015-04-30 → 2015-04-30 · 3 obs

● 2015-04-30 15:21:08
○ 2015-10-18 15:40:52
○ 2026-03-22 14:56:30

●A76.223.54.1462026-03-03 → 2026-03-22 · 3 obs

○ 2017-06-09 16:12:42
● 2026-03-03 19:31:12
● 2026-03-22 14:56:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
instructorsonline.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 instructorsonline.com (unsigned zone)

⏱️ Timing

Total: 118ms | 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

instructorsonline.com resolves to two IPs: 13.248.169.48 and 76.223.54.146.

other host names for instance host-111-184-57-37.dynamic.kbtelecom.net, www.sirman.net, affluentcannabis.com, www.muscle101.com and highschoolrecord.com share IP numbers with instructorsonline.com.

Name Servers

instructorsonline.com is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.

instructorsonline.com shares the same name server setup as other domains, for example 72-20-96-251.bayarea.net, jobs2day.com, takenup.com, prepaid.company and picassowebsolutions.com.

instructorsonline.com at least partially shares name servers with other domains, for instance harrysjewelry.com, palatte.com, fewri.com, bauder.me and infinilive.com.

These name servers are commonly used with the name servers verification-ywpbsnxpm99a4argbrkijr.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

instructorsonline.com - robtex.com