pretutor.com - dns.ninja

`pretutor.com`

DNSSEC	⚠️ Not signed
A	188.214.128.77^{🇱🇹 CHERRYSERVERS1-AS188.214.128.0/21 CHERRY SERVERS}
		PTR	`vps2.customhost.com`
NS	`ns1.dyna-ns.net` ⭐
		A	2400:cb00:2049:1::a29f:1a5c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b9e^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.92^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
		A	162.159.27.158^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
NS	`ns2.dyna-ns.net`
		A	2400:cb00:2049:1::a29f:1805^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1905^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.5^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
		A	162.159.25.5^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
MX	`rack-host.net` ⭐
		A	208.66.194.178^{🇺🇸 BIZNESSHOSTING208.66.194.0/23 Biznesshosting, Inc. DBA VOLICO 500 Green Rd. Deerfield, FL 33064 US}
SOA	`ns1.dyna-ns.net`hostmaster@pretutor.com 2026-06-29 #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=1785617237

Previously MX for

pretutor.com

Subdomains

mx.pretutor.com

Same first word

pretutor.com

Similar names

trueport.shop

petrotur.kz

tureport.com

DNS History

9 records (4 active, 5 former)

●NSns1.dyna-ns.net2026-03-26 → 2026-08-01 · 3 obs

○ 2017-06-23 05:43:28
● 2026-03-26 17:33:00
● 2026-08-01 21:09:16

○NSns1.speedydns.net2015-08-10 → 2016-12-09 · 4 obs

● 2015-08-10 18:16:08
● 2016-12-09 10:37:46
○ 2017-06-23 05:43:28
○ 2026-08-01 21:09:16

●NSns2.dyna-ns.net2026-03-26 → 2026-08-01 · 3 obs

○ 2017-06-23 05:43:28
● 2026-03-26 17:33:00
● 2026-08-01 21:09:16

○NSns2.speedydns.net2015-08-10 → 2016-12-09 · 4 obs

● 2015-08-10 18:16:08
● 2016-12-09 10:37:46
○ 2017-06-23 05:43:28
○ 2026-08-01 21:09:16

○NSns3.speedydns.net2015-08-10 → 2016-12-09 · 4 obs

● 2015-08-10 18:16:08
● 2016-12-09 10:37:46
○ 2017-06-23 05:43:28
○ 2026-08-01 21:09:16

○MXpretutor.com2015-08-10 → 2016-12-09 · 4 obs

● 2015-08-10 18:16:08
● 2016-12-09 10:37:46
○ 2017-06-23 05:43:28
○ 2026-08-01 21:09:16

●MXrack-host.net2026-03-26 → 2026-08-01 · 3 obs

○ 2017-06-23 05:43:28
● 2026-03-26 17:33:00
● 2026-08-01 21:09:16

●A188.214.128.772026-03-26 → 2026-08-01 · 3 obs

○ 2017-06-23 05:43:28
● 2026-03-26 17:33:00
● 2026-08-01 21:09:16

○A65.75.138.852015-08-10 → 2016-12-09 · 4 obs

● 2015-08-10 18:16:08
● 2016-12-09 10:37:46
○ 2017-06-23 05:43:28
○ 2026-08-01 21:09:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
pretutor.com	ns2.dyna-ns.net, ns1.dyna-ns.net	-

✅ Authoritative Response

Server:162.159.24.5

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pretutor.com (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.214.128.77`
NS	2	`ns1.dyna-ns.net, ns2.dyna-ns.net`
MX	1	`rack-host.net (pri: 0)`
SOA	1	`ns1.dyna-ns.net hostmaster.pretutor.com`

Analysis

Hierarchy

pretutor.com is the parent zone for mx.pretutor.com.

IP Addresses

pretutor.com resolves to just one IP address, 188.214.128.77.

Two other host names, along with ix.atrato.com, loran.com and jfree.com, also share IP numbers with pretutor.com.

Name Servers

DNS delegation for pretutor.com points to two name servers: ns1.dyna-ns.net and ns2.dyna-ns.net.

pretutor.com shares its NS records with other domains, for example agen69biz.com, citycollective.shop, xh532.com and two others.

The hosts ns1.dyna-ns.net and ns2.dyna-ns.net each resolve to four IP numbers: ns1.dyna-ns.net directs to 162.159.26.92, 162.159.27.158, 2400:cb00:2049:1::a29f:1a5c and 2400:cb00:2049:1::a29f:1b9e, and ns2.dyna-ns.net directs to 162.159.24.5, 162.159.25.5, 2400:cb00:2049:1::a29f:1805 and 2400:cb00:2049:1::a29f:1905.

Mail Servers

The sole mail server for pretutor.com is rack-host.net.

Among the domains sharing a mail server setup with pretutor.com are parow.com, enginetracker.com, yiggy.com and two others.

rack-host.net has exactly one IP number: 208.66.194.178.