`open-tutorial.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	`ns5.afternic.com` ⭐
		A	2603:5:2134::42^{🇺🇸 GODADDY-DNS2603:5:2130::/44}
			PTR	`ns5.afternic.com`
		A	97.74.99.66^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns5.afternic.com`
NS	`ns6.afternic.com`
		A	2603:5:2234::42^{🇺🇸 GODADDY-DNS2603:5:2230::/44}
			PTR	`ns6.afternic.com`
		A	173.201.67.66^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns6.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns5.afternic.com`dns@jomax.net 2025-09-30 #0

`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=1774491397

Same first word

open-tutorial.com

DNS History

7 records (4 active, 3 former)

○NSns1.hosting.co.kr2019-02-14 → 2019-02-14 · 3 obs

● 2019-02-14 02:44:08
○ 2026-03-19 13:57:34
○ 2026-03-26 02:19:24

○NSns2.hosting.co.kr2019-02-14 → 2019-02-14 · 3 obs

● 2019-02-14 02:44:08
○ 2026-03-19 13:57:34
○ 2026-03-26 02:19:24

●NSns5.afternic.com2026-03-19 → 2026-03-26 · 3 obs

○ 2019-02-14 02:44:08
● 2026-03-19 13:57:34
● 2026-03-26 02:19:24

●NSns6.afternic.com2026-03-19 → 2026-03-26 · 3 obs

○ 2019-02-14 02:44:08
● 2026-03-19 13:57:34
● 2026-03-26 02:19:24

●A13.248.169.482026-03-19 → 2026-03-26 · 3 obs

○ 2019-02-14 02:44:08
● 2026-03-19 13:57:34
● 2026-03-26 02:19:24

○A175.126.37.122019-02-14 → 2019-02-14 · 3 obs

● 2019-02-14 02:44:08
○ 2026-03-19 13:57:34
○ 2026-03-26 02:19:24

●A76.223.54.1462026-03-19 → 2026-03-26 · 3 obs

○ 2019-02-14 02:44:08
● 2026-03-19 13:57:34
● 2026-03-26 02:19:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
open-tutorial.com	ns5.afternic.com, ns6.afternic.com	2 records

✅ Authoritative Response

Server:173.201.67.66

NS records: ns5.afternic.com, ns6.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open-tutorial.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns5.afternic.com, ns6.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns5.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns5.afternic.com, ns6.afternic.com)

Analysis

IP Addresses

open-tutorial.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names such as howtodrawpeople.com, metropol.group, bankit.me, protaras.net and rollingsales.com share IP numbers with open-tutorial.com.

Name Servers

open-tutorial.com is delegated to two name servers: ns5.afternic.com and ns6.afternic.com.

open-tutorial.com uses the same name server setup as other domains, including labpunk.com, nullmx.unitedtheatre.com, marcheplus.com, mail.rsamobile.com and mail.tdaonline.com.

At least part of the name servers for open-tutorial.com are shared with other domains, for instance archetype.work, ecsb.xyz, web3arb.xyz, popmovie.xyz and msoccer.com.

These name servers are often used together with verification-gakbzzzqmt6gkcplw4efpp.ns101.verify.hn, verification-ryl9l7cn2xbgckdbkcguz6.ns101.verify.hn and verification-wkq9qshjohmun2jszx3avm.ns101.verify.hn.

Host names with two IP numbers:

ns5.afternic.com points to 2603:5:2134::42 and 97.74.99.66.

ns6.afternic.com points to 2603:5:2234::42 and 173.201.67.66.

open-tutorial.com - robtex.com