tutorialenglish.com - dns.ninja

`tutorialenglish.com`

DNSSEC	⚠️ Not signed
A	51.81.90.175^{🇺🇸 OVH51.81.0.0/17 Hosting route}
		PTR	`ip175.ip-51-81-90.us`
NS	`ns1.rootservers.co` ⭐
		A	198.50.152.66^{🇨🇦 OVH198.50.128.0/17 Hosting route}
			PTR	`ns1.rootservers.co`
NS	`ns2.rootservers.co`
		A	147.135.121.219^{🇺🇸 OVH147.135.0.0/17 Hosting route}
			PTR	`server34.imagina.com.co`
MX	`tutorialenglish.com` ⭐
		A	51.81.90.175^{🇺🇸 OVH51.81.0.0/17 Hosting route}
			PTR	`ip175.ip-51-81-90.us`
TXT	`v=spf1 ip4:147.135.68.66 include:relay.mailbaby.net ip4:158.69.225.77 +a +mx ...`
SOA	`ns1.rootservers.co`carlosdevia@imaginacolombia.com 2026-06-10 #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=1786168679

MX for

tutorialenglish.com

Same first word

tutorialenglish.com

Similar names

englishtutorial.org

DNS History

14 records (4 active, 10 former)

○NSns1.netfirms.com2015-05-26 → 2017-03-20 · 5 obs

○ 2008-03-16 03:16:36
● 2015-05-26 15:54:40
● 2017-03-20 10:35:24
○ 2026-02-17 10:15:54
○ 2026-08-08 05:58:32

●NSns1.rootservers.co2026-02-17 → 2026-08-08 · 3 obs

○ 2017-03-20 10:35:24
● 2026-02-17 10:15:54
● 2026-08-08 05:58:32

○NSns11.domaincontrol.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 03:16:36
○ 2015-05-26 15:54:40
○ 2026-08-08 05:58:32

○NSns12.domaincontrol.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 03:16:36
○ 2015-05-26 15:54:40
○ 2026-08-08 05:58:32

○NSns2.netfirms.com2015-05-26 → 2017-03-20 · 5 obs

○ 2008-03-16 03:16:36
● 2015-05-26 15:54:40
● 2017-03-20 10:35:24
○ 2026-02-17 10:15:54
○ 2026-08-08 05:58:32

●NSns2.rootservers.co2026-02-17 → 2026-08-08 · 3 obs

○ 2017-03-20 10:35:24
● 2026-02-17 10:15:54
● 2026-08-08 05:58:32

○MXmailstore1.secureserver.net2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 03:16:36
○ 2015-05-26 15:54:40
○ 2026-08-08 05:58:32

○MXmx.tutorialenglish.com2015-05-26 → 2017-03-20 · 5 obs

○ 2008-03-16 03:16:36
● 2015-05-26 15:54:40
● 2017-03-20 10:35:24
○ 2026-02-17 10:15:54
○ 2026-08-08 05:58:32

○MXsmtp.secureserver.net2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 03:16:36
○ 2015-05-26 15:54:40
○ 2026-08-08 05:58:32

●MXtutorialenglish.com2026-02-17 → 2026-08-08 · 3 obs

○ 2017-03-20 10:35:24
● 2026-02-17 10:15:54
● 2026-08-08 05:58:32

●A51.81.90.1752026-02-17 → 2026-08-08 · 3 obs

○ 2017-03-20 10:35:24
● 2026-02-17 10:15:54
● 2026-08-08 05:58:32

○A66.96.149.12016-04-19 → 2017-03-20 · 5 obs

○ 2016-01-24 08:44:14
● 2016-04-19 05:52:46
● 2017-03-20 10:35:24
○ 2026-02-17 10:15:54
○ 2026-08-08 05:58:32

○A66.96.160.1342015-05-26 → 2016-01-24 · 5 obs

○ 2008-03-16 03:16:36
● 2015-05-26 15:54:40
● 2016-01-24 08:44:14
○ 2016-04-19 05:52:46
○ 2026-08-08 05:58:32

○A68.178.211.22008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 03:16:36
○ 2015-05-26 15:54:40
○ 2026-08-08 05:58:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...	-
tutorialenglish.com	ns2.rootservers.co, ns1.rootservers.co	-

✅ Authoritative Response

Server:147.135.121.219

NS records: ns2.rootservers.co, ns1.rootservers.co

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorialenglish.com (unsigned zone)

⏱️ Timing

Total: 396ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.81.90.175`
NS	2	`ns1.rootservers.co, ns2.rootservers.co`
MX	1	`tutorialenglish.com (pri: 0)`
TXT	1	`v=spf1 ip4:147.135.68.66 include:relay.m`
SOA	1	`ns1.rootservers.co carlosdevia.imaginaco`

Analysis

Mail Server Role

tutorialenglish.com serves as a mail server for tutorialenglish.com.

IP Addresses

tutorialenglish.com has exactly one IP address — 51.81.90.175.

asotrauma.com.co, babiloniacv.com, webpyme.co plus two other host names have IP numbers in common with tutorialenglish.com.

Name Servers

tutorialenglish.com has two authoritative name servers — ns1.rootservers.co and ns2.rootservers.co.

The name server configuration of tutorialenglish.com is shared with other domains, for instance marcasycarrossas.com, intermegabits.com, server40.rootservers.co and two others.

At least some of tutorialenglish.com's name servers are shared with other domains, for example lacrepresentaciones.com, avicol.co, serpocarga.com and two more.

These name servers tend to be deployed in combination with the name servers ns1.imaginadw.com and ns2.imaginadw.com.

Each of ns1.rootservers.co and ns2.rootservers.co has one IP address: ns1.rootservers.co uses 198.50.152.66 and ns2.rootservers.co uses 147.135.121.219.

Mail Servers

tutorialenglish.com uses exactly one mail server, which is tutorialenglish.com.

tutorialenglish.com points to one IP number — 51.81.90.175.