tutorialku.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`tutorialku.com`

DNSSEC	⚠️ Not signed
A	51.79.230.185^{🇸🇬 OVH51.79.128.0/17 Hosting route}
		PTR	`dsg5.duniavirtual.net`
NS	`ns1.duniavirtual.net` ⭐ ⚠️ Not in parent delegation
		A	51.79.230.185^{🇸🇬 OVH51.79.128.0/17 Hosting route}
			PTR	`dsg5.duniavirtual.net`
NS	`ns1.vkios.com` ⚠️ Not in zone NS records
		A	51.79.230.185^{🇸🇬 OVH51.79.128.0/17 Hosting route}
			PTR	`dsg5.duniavirtual.net`
NS	`ns2.duniavirtual.net` ⚠️ Not in parent delegation
		A	51.79.230.185^{🇸🇬 OVH51.79.128.0/17 Hosting route}
			PTR	`dsg5.duniavirtual.net`
NS	`ns2.vkios.com` ⚠️ Not in zone NS records
		A	51.79.230.185^{🇸🇬 OVH51.79.128.0/17 Hosting route}
			PTR	`dsg5.duniavirtual.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx4.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
TXT	`google-site-verification=woEAR4o3lZQDJYDMUrJD_DnfqT_WxCjvavnpZB5E1LY`
TXT	`v=spf1 a mx ip4:51.79.230.185 ~all`
SOA	`ns1.duniavirtual.net`hostmaster@tutorialku.com 2025-10-27 #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=1788470990

Previously MX for

tutorialku.com

Same first word

tutorialku.xyz

tutorialku.net

tutorialku.com

tutorialku.space

Previous names

Next names

DNS History

18 records (11 active, 7 former)

○NSns1.1stserver.net2009-01-20 → 2009-01-20 · 3 obs

● 2009-01-20 14:43:08
○ 2015-05-19 19:28:04
○ 2026-09-03 21:42:52

●NSns1.duniavirtual.net2020-04-13 → 2026-09-03 · 3 obs

○ 2017-04-04 07:25:56
● 2020-04-13 09:35:14
● 2026-09-03 21:42:52

●NSns1.vkios.com2015-05-19 → 2026-09-03 · 6 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2017-04-04 07:25:56
○ 2020-04-13 09:35:14
● 2026-08-29 10:11:34
● 2026-09-03 21:42:52

○NSns2.1stserver.net2009-01-20 → 2009-01-20 · 3 obs

● 2009-01-20 14:43:08
○ 2015-05-19 19:28:04
○ 2026-09-03 21:42:52

●NSns2.duniavirtual.net2020-04-13 → 2026-09-03 · 3 obs

○ 2017-04-04 07:25:56
● 2020-04-13 09:35:14
● 2026-09-03 21:42:52

●NSns2.vkios.com2015-05-19 → 2026-09-03 · 6 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2017-04-04 07:25:56
○ 2020-04-13 09:35:14
● 2026-08-29 10:11:34
● 2026-09-03 21:42:52

●MXalt1.aspmx.l.google.com2015-05-19 → 2026-09-03 · 3 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2026-09-03 21:42:52

●MXalt2.aspmx.l.google.com2015-05-19 → 2026-09-03 · 3 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2026-09-03 21:42:52

●MXaspmx.l.google.com2015-05-19 → 2026-09-03 · 3 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2026-09-03 21:42:52

●MXaspmx2.googlemail.com2015-05-19 → 2026-09-03 · 3 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2026-09-03 21:42:52

●MXaspmx3.googlemail.com2015-05-19 → 2026-09-03 · 3 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2026-09-03 21:42:52

●MXaspmx4.googlemail.com2015-05-19 → 2026-09-03 · 3 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2026-09-03 21:42:52

○MXtutorialku.com2009-01-20 → 2009-01-20 · 3 obs

● 2009-01-20 14:43:08
○ 2015-05-19 19:28:04
○ 2026-09-03 21:42:52

○A103.29.214.2242015-05-19 → 2016-04-08 · 5 obs

○ 2009-01-20 14:43:08
● 2015-05-19 19:28:04
● 2016-04-08 10:39:22
○ 2017-04-04 07:25:56
○ 2026-09-03 21:42:52

○A139.99.120.132020-04-13 → 2020-04-13 · 4 obs

○ 2017-04-04 07:25:56
● 2020-04-13 09:35:14
○ 2026-08-29 10:11:34
○ 2026-09-03 21:42:52

○A163.172.8.1772017-04-04 → 2017-04-04 · 4 obs

○ 2016-04-08 10:39:22
● 2017-04-04 07:25:56
○ 2020-04-13 09:35:14
○ 2026-09-03 21:42:52

○A202.158.39.1382009-01-20 → 2009-01-20 · 3 obs

● 2009-01-20 14:43:08
○ 2015-05-19 19:28:04
○ 2026-09-03 21:42:52

●A51.79.230.1852026-08-29 → 2026-09-03 · 3 obs

○ 2020-04-13 09:35:14
● 2026-08-29 10:11:34
● 2026-09-03 21:42:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tutorialku.com	ns1.vkios.com, ns2.vkios.com	2 records

✅ Authoritative Response

Server:51.79.230.185

NS records: ns1.vkios.com, ns2.vkios.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorialku.com (unsigned zone)

⏱️ Timing

Total: 812ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.79.230.185`
NS	2	`ns1.duniavirtual.net, ns2.duniavirtual.net`
MX	6	`alt2.aspmx.l.google.com (pri: 20), aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=woEAR4o3lZQDJYD, v=spf1 a mx ip4:51.79.230.185 ~all`
SOA	1	`ns1.duniavirtual.net hostmaster.tutorial`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.vkios.com, ns2.vkios.com)

Analysis

IP Addresses

tutorialku.com points to a single IP number: 51.79.230.185.

Additional host names — suryaintiartha.com, globalfitness.id, sentrakayukalimantan.com and two others — share IP numbers with tutorialku.com.

Name Servers

tutorialku.com has four authoritative name servers: ns1.vkios.com, ns2.vkios.com, ns1.duniavirtual.net and ns2.duniavirtual.net.

There is at least partial name server overlap between tutorialku.com and other domains — gpspadang.net, infinity-gift.com, kampunginggrisbsk.com and two more among them.

ns1.vkios.com, ns2.vkios.com, ns1.duniavirtual.net and ns2.duniavirtual.net all direct traffic to the IP address 51.79.230.185.

The host names ns1.vkios.com, ns2.vkios.com, ns1.duniavirtual.net and ns2.duniavirtual.net all point to 51.79.230.185.

Mail Servers

tutorialku.com accepts email via 6 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 3 other.

tutorialku.com shares mail servers — at least in part — with other domains, including salnet.co.il, platurne.fr, clutchprotour.co.uk and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

The A records for aspmx2.googlemail.com return 192.178.234.27 and 2800:3f0:4003:c14::1b.

The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

The A records for aspmx4.googlemail.com return 192.178.223.27 and 2a00:1450:4009:c0f::1a.

The A records for aspmx.l.google.com return 142.251.111.26 and 2607:f8b0:4004:c09::1b.

The A records for alt1.aspmx.l.google.com return 192.178.234.26 and 2800:3f0:4003:c14::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c14::1b IP addresses.