doctutorials.com - dns.ninja

`doctutorials.com`

DNSSEC	⚠️ Not signed
A	13.207.241.46^{🇺🇸 Amazon13.204.0.0/14 EC2 BOM prefix}
		PTR	`ec2-13-207-241-46.ap-south-1.compute.amazonaws.com`
A	13.235.176.105^{🇮🇳 Amazon13.232.0.0/14 EC2 BOM prefix}
NS	`ns-1545.awsdns-01.co.uk` ⭐
		A	2600:9000:5306:900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1545.awsdns-01.co.uk`
		A	205.251.198.9^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1545.awsdns-01.co.uk`
NS	`ns-1224.awsdns-25.org`
		A	2600:9000:5304:c800::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1224.awsdns-25.org`
		A	205.251.196.200^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1224.awsdns-25.org`
NS	`ns-474.awsdns-59.com`
		A	2600:9000:5301:da00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-474.awsdns-59.com`
		A	205.251.193.218^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-474.awsdns-59.com`
NS	`ns-910.awsdns-49.net`
		A	2600:9000:5303:8e00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-910.awsdns-49.net`
		A	205.251.195.142^{🇺🇸 Amazon205.251.195.0/24 prefix}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	192.178.218.27^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
MX	`mxa.eu.mailgun.org`⁽¹⁰⁾
		A	34.111.130.244^{🇺🇸 Google34.108.0.0/14}
			PTR	`244.130.111.34.bc.googleusercontent.com`
MX	`mxb.eu.mailgun.org`⁽¹⁰⁾
		A	34.111.130.244^{🇺🇸 Google34.108.0.0/14}
			PTR	`244.130.111.34.bc.googleusercontent.com`
TXT	`MS=EAE37EDC54F86B4846908432C652BFC5F1DFA6E8`
TXT	`MS=ms33692168`
TXT	`v=spf1 include:_spf.google.com include:mailgun.org include:spf.protection.out...`
SOA	`ns-1545.awsdns-01.co.uk`awsdns-hostmaster@amazon.com 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=1782921516

📈 Tranco rank: #715,065

Subdomains

www.doctutorials.com

svcadmin2320.doctutorials.com

admin.doctutorials.com

Same first word

doctutorials.com

Similar names

tutorialdocs.com

stariotcloud.cn

DNS History

54 records (13 active, 41 former)

●NSns-1224.awsdns-25.org2026-02-22 → 2026-07-01 · 3 obs

○ 2018-11-23 15:06:48
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

○NSns-1484.awsdns-57.org2018-11-23 → 2018-11-23 · 4 obs

○ 2017-02-04 12:56:08
● 2018-11-23 15:06:48
○ 2026-02-22 14:50:36
○ 2026-07-01 16:24:20

●NSns-1545.awsdns-01.co.uk2026-02-22 → 2026-07-01 · 3 obs

○ 2018-11-23 15:06:48
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

○NSns-1628.awsdns-11.co.uk2018-11-23 → 2018-11-23 · 4 obs

○ 2017-02-04 12:56:08
● 2018-11-23 15:06:48
○ 2026-02-22 14:50:36
○ 2026-07-01 16:24:20

●NSns-474.awsdns-59.com2026-02-22 → 2026-07-01 · 3 obs

○ 2018-11-23 15:06:48
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

○NSns-475.awsdns-59.com2018-11-23 → 2018-11-23 · 4 obs

○ 2017-02-04 12:56:08
● 2018-11-23 15:06:48
○ 2026-02-22 14:50:36
○ 2026-07-01 16:24:20

○NSns-732.awsdns-27.net2018-11-23 → 2018-11-23 · 4 obs

○ 2017-02-04 12:56:08
● 2018-11-23 15:06:48
○ 2026-02-22 14:50:36
○ 2026-07-01 16:24:20

●NSns-910.awsdns-49.net2026-02-22 → 2026-07-01 · 3 obs

○ 2018-11-23 15:06:48
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

○NSns1.aplus.net2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 08:55:24
○ 2015-11-13 22:54:58
○ 2026-07-01 16:24:20

○NSns2.aplus.net2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 08:55:24
○ 2015-11-13 22:54:58
○ 2026-07-01 16:24:20

○NSns3.aplus.net2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 08:55:24
○ 2015-11-13 22:54:58
○ 2026-07-01 16:24:20

○NSsk.s5.ans1.ns148.ztomy.com2016-02-24 → 2016-05-11 · 5 obs

○ 2015-11-13 22:54:58
● 2016-02-24 04:42:36
● 2016-05-11 04:05:22
○ 2017-02-04 12:56:08
○ 2026-07-01 16:24:20

○NSsk.s5.ans2.ns148.ztomy.com2016-02-24 → 2016-05-11 · 5 obs

○ 2015-11-13 22:54:58
● 2016-02-24 04:42:36
● 2016-05-11 04:05:22
○ 2017-02-04 12:56:08
○ 2026-07-01 16:24:20

○NSsk.s7.ans1.ns68.klczy.com2015-11-13 → 2015-11-13 · 4 obs

○ 2015-06-29 08:55:24
● 2015-11-13 22:54:58
○ 2016-02-24 04:42:36
○ 2026-07-01 16:24:20

○NSsk.s7.ans2.ns68.klczy.com2015-11-13 → 2015-11-13 · 4 obs

○ 2015-06-29 08:55:24
● 2015-11-13 22:54:58
○ 2016-02-24 04:42:36
○ 2026-07-01 16:24:20

●MXalt1.aspmx.l.google.com2026-02-22 → 2026-07-01 · 3 obs

○ 2015-11-13 22:54:58
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

●MXalt2.aspmx.l.google.com2026-02-22 → 2026-07-01 · 3 obs

○ 2015-11-13 22:54:58
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

●MXalt3.aspmx.l.google.com2026-02-22 → 2026-07-01 · 3 obs

○ 2015-11-13 22:54:58
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

●MXalt4.aspmx.l.google.com2026-02-22 → 2026-07-01 · 3 obs

○ 2015-11-13 22:54:58
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

●MXaspmx.l.google.com2026-02-22 → 2026-07-01 · 3 obs

○ 2015-11-13 22:54:58
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

○MXmx1c40.carrierzone.com2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 08:55:24
○ 2015-11-13 22:54:58
○ 2026-07-01 16:24:20

○MXmx2c40.carrierzone.com2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 08:55:24
○ 2015-11-13 22:54:58
○ 2026-07-01 16:24:20

○MXmx3c40.carrierzone.com2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 08:55:24
○ 2015-11-13 22:54:58
○ 2026-07-01 16:24:20

●MXmxa.eu.mailgun.org2026-02-22 → 2026-07-01 · 3 obs

○ 2015-11-13 22:54:58
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

●MXmxb.eu.mailgun.org2026-02-22 → 2026-07-01 · 3 obs

○ 2015-11-13 22:54:58
● 2026-02-22 14:50:36
● 2026-07-01 16:24:20

○A13.127.187.2082018-11-23 → 2018-11-23 · 4 obs

○ 2017-02-04 12:56:08
● 2018-11-23 15:06:48
○ 2026-02-22 14:50:36
○ 2026-07-01 16:24:20

○A13.127.240.382018-11-23 → 2018-11-23 · 4 obs

○ 2017-02-04 12:56:08
● 2018-11-23 15:06:48
○ 2026-02-22 14:50:36
○ 2026-07-01 16:24:20

○A13.127.242.1672026-05-23 → 2026-06-02 · 5 obs

○ 2026-05-15 22:06:36
● 2026-05-23 08:43:48
● 2026-06-02 04:03:20
○ 2026-06-05 06:13:22
○ 2026-07-01 16:24:20

○A13.200.49.2222026-02-22 → 2026-02-22 · 4 obs

○ 2018-11-23 15:06:48
● 2026-02-22 14:50:36
○ 2026-02-23 23:05:42
○ 2026-07-01 16:24:20

○A13.200.87.212026-04-12 → 2026-04-15 · 5 obs

○ 2026-03-28 06:51:44
● 2026-04-12 18:08:18
● 2026-04-15 06:03:02
○ 2026-04-27 21:17:42
○ 2026-07-01 16:24:20

○A13.202.142.1402026-03-27 → 2026-03-28 · 5 obs

○ 2026-03-25 02:23:04
● 2026-03-27 23:17:08
● 2026-03-28 06:51:44
○ 2026-04-12 18:08:18
○ 2026-07-01 16:24:20

○A13.203.244.202026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-30 14:14:34
● 2026-05-15 22:06:36
○ 2026-05-23 08:43:48
○ 2026-07-01 16:24:20

○A13.205.196.962026-06-02 → 2026-06-05 · 5 obs

○ 2026-05-23 08:43:48
● 2026-06-02 04:03:20
● 2026-06-05 06:13:22
○ 2026-06-05 23:05:54
○ 2026-07-01 16:24:20

○A13.205.251.2122026-03-25 → 2026-03-28 · 5 obs

○ 2026-03-18 06:27:28
● 2026-03-25 02:23:04
● 2026-03-28 06:51:44
○ 2026-04-12 18:08:18
○ 2026-07-01 16:24:20

○A13.206.214.02026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-30 14:14:34
● 2026-05-15 22:06:36
○ 2026-05-23 08:43:48
○ 2026-07-01 16:24:20

○A13.206.246.1112026-06-05 → 2026-06-05 · 5 obs

○ 2026-06-02 04:03:20
● 2026-06-05 06:13:22
● 2026-06-05 23:05:54
○ 2026-06-29 23:31:52
○ 2026-07-01 16:24:20

●A13.207.241.462026-06-29 → 2026-07-01 · 3 obs

○ 2026-06-05 23:05:54
● 2026-06-29 23:31:52
● 2026-07-01 16:24:20

○A13.207.94.942026-05-23 → 2026-05-23 · 4 obs

○ 2026-05-15 22:06:36
● 2026-05-23 08:43:48
○ 2026-06-02 04:03:20
○ 2026-07-01 16:24:20

●A13.235.176.1052026-06-29 → 2026-07-01 · 3 obs

○ 2026-06-05 23:05:54
● 2026-06-29 23:31:52
● 2026-07-01 16:24:20

○A15.206.156.2162026-04-12 → 2026-04-15 · 5 obs

○ 2026-03-28 06:51:44
● 2026-04-12 18:08:18
● 2026-04-15 06:03:02
○ 2026-04-27 21:17:42
○ 2026-07-01 16:24:20

○A15.207.209.1432026-04-27 → 2026-04-30 · 5 obs

○ 2026-04-15 06:03:02
● 2026-04-27 21:17:42
● 2026-04-30 14:14:34
○ 2026-05-15 22:06:36
○ 2026-07-01 16:24:20

○A208.91.197.1362015-11-13 → 2015-11-13 · 4 obs

○ 2015-06-29 08:55:24
● 2015-11-13 22:54:58
○ 2016-02-24 04:42:36
○ 2026-07-01 16:24:20

○A208.91.197.462016-02-24 → 2016-05-11 · 5 obs

○ 2015-11-13 22:54:58
● 2016-02-24 04:42:36
● 2016-05-11 04:05:22
○ 2017-02-04 12:56:08
○ 2026-07-01 16:24:20

○A3.111.122.582026-02-23 → 2026-03-05 · 5 obs

○ 2026-02-22 14:50:36
● 2026-02-23 23:05:42
● 2026-03-05 21:27:30
○ 2026-03-11 07:27:52
○ 2026-07-01 16:24:20

○A3.111.25.892026-03-16 → 2026-03-18 · 5 obs

○ 2026-03-11 07:27:52
● 2026-03-16 02:18:06
● 2026-03-18 06:27:28
○ 2026-03-25 02:23:04
○ 2026-07-01 16:24:20

○A3.6.197.2102026-04-27 → 2026-04-30 · 5 obs

○ 2026-04-15 06:03:02
● 2026-04-27 21:17:42
● 2026-04-30 14:14:34
○ 2026-05-15 22:06:36
○ 2026-07-01 16:24:20

○A3.7.7.1002026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 06:13:22
● 2026-06-05 23:05:54
○ 2026-06-29 23:31:52
○ 2026-07-01 16:24:20

○A35.154.108.2302026-02-22 → 2026-07-01 · 2 obs

○ 2026-02-22 14:50:36
○ 2026-07-01 16:24:20

○A35.154.203.542026-03-05 → 2026-03-11 · 5 obs

○ 2026-02-23 23:05:42
● 2026-03-05 21:27:30
● 2026-03-11 07:27:52
○ 2026-03-16 02:18:06
○ 2026-07-01 16:24:20

○A43.205.9.492026-03-11 → 2026-03-18 · 5 obs

○ 2026-03-05 21:27:30
● 2026-03-11 07:27:52
● 2026-03-18 06:27:28
○ 2026-03-25 02:23:04
○ 2026-07-01 16:24:20

○A64.29.151.2212015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 08:55:24
○ 2015-11-13 22:54:58
○ 2026-07-01 16:24:20

○A65.0.156.402026-02-22 → 2026-02-23 · 5 obs

○ 2018-11-23 15:06:48
● 2026-02-22 14:50:36
● 2026-02-23 23:05:42
○ 2026-03-05 21:27:30
○ 2026-07-01 16:24:20

○A65.1.24.1602026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-18 06:27:28
● 2026-03-25 02:23:04
○ 2026-03-27 23:17:08
○ 2026-07-01 16:24:20

○A65.1.244.752026-02-22 → 2026-07-01 · 2 obs

○ 2026-02-22 14:50:36
○ 2026-07-01 16:24:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...	-
doctutorials.com	ns-474.awsdns-59.com, ns-910.awsdns-49.net, ns-1545.awsdns-01.co.uk, ns-1224.awsdns-25.org	2 records

✅ Authoritative Response

Server:205.251.193.218

NS records: ns-474.awsdns-59.com, ns-910.awsdns-49.net, ns-1545.awsdns-01.co.uk, ns-1224.awsdns-25.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doctutorials.com (unsigned zone)

⏱️ Timing

Total: 1989ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.207.241.46, 13.235.176.105`
NS	4	`ns-1224.awsdns-25.org, ns-1545.awsdns-01.co.uk...`
MX	7	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`MS=EAE37EDC54F86B4846908432C652BFC5F1DFA, MS=ms33692168...`
SOA	1	`ns-1545.awsdns-01.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-474.awsdns-59.com, ns-474.awsdns-59.com)

Analysis

Hierarchy

doctutorials.com sits above www.doctutorials.com, svcadmin2320.doctutorials.com and admin.doctutorials.com in the domain hierarchy.

IP Addresses

doctutorials.com has two IP addresses: 13.207.241.46 and 13.235.176.105

Other host names share IP numbers with doctutorials.com; ec2-13-235-176-105.ap-south-1.compute.amazonaws.com is one such example.

Name Servers

The domain doctutorials.com is delegated to these four name servers: ns-474.awsdns-59.com, ns-910.awsdns-49.net, ns-1224.awsdns-25.org and ns-1545.awsdns-01.co.uk.

There is at least partial name server overlap between doctutorials.com and other domains — jlconline.com, d1jan2omlmaodk.cloudfront.net, janetevansyoga.co.uk and two more among them.

All four hostnames — ns-474.awsdns-59.com, ns-910.awsdns-49.net, ns-1224.awsdns-25.org and ns-1545.awsdns-01.co.uk — resolve to two IP numbers apiece: ns-474.awsdns-59.com to 205.251.193.218 and 2600:9000:5301:da00::1; ns-910.awsdns-49.net to 205.251.195.142 and 2600:9000:5303:8e00::1; ns-1224.awsdns-25.org to 205.251.196.200 and 2600:9000:5304:c800::1; ns-1545.awsdns-01.co.uk to 205.251.198.9 and 2600:9000:5306:900::1.

Mail Servers

doctutorials.com accepts email via 7 mail servers: aspmx.l.google.com, mxa.eu.mailgun.org, mxb.eu.mailgun.org and 4 other.

doctutorials.com shares at least some of its mail servers with other domains — for example ns500759.ns500698.ns500698.ns500758.ns500698.ns500708.ns500576.ns500708.ns500698.ns500619.ns500686.ns500619.ns500619.trackreceptor.com, ns500754.ns500671.ns500742.ns500754.ns500731.ns500688.ns500688.ns500704.ns500649.ns500671.ns500666.tenderladiesbz.com, ns500742.ns500754.ns500731.ns500731.ns500742.ns500688.ns500704.ns500671.ns500705.ns500688.ns500671.ns500671.lusty(0x736c7574)z.com and two more.

It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 5 more.

Hosts with two IP numbers each:

aspmx.l.google.com maps to two IP addresses — 192.178.218.27 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1b.

Hosts that resolve to one IP address:

mxa.eu.mailgun.org points to the IP address 34.111.130.244.

mxb.eu.mailgun.org points to the IP address 34.111.130.244.

These two host names — mxa.eu.mailgun.org and mxb.eu.mailgun.org — each point to 34.111.130.244 IP addresses.