admin.doctutorials.com - dns.ninja

admin.doctutorials.com

DNSSEC⚠️ Not signed
A2600:9000:2305:8200:11:5b12:4c40:93a1🇺🇸 Amazon2600:9000:2305::/48 - CloudFront
A2600:9000:2305:9a00:11:5b12:4c40:93a1🇺🇸 Amazon2600:9000:2305::/48 - CloudFront
A2600:9000:2305:a000:11:5b12:4c40:93a1🇺🇸 Amazon2600:9000:2305::/48 - CloudFront
A2600:9000:2305:b200:11:5b12:4c40:93a1🇺🇸 Amazon2600:9000:2305::/48 - CloudFront
A2600:9000:2305:ca00:11:5b12:4c40:93a1🇺🇸 Amazon2600:9000:2305::/48 - CloudFront
A2600:9000:2305:d800:11:5b12:4c40:93a1🇺🇸 Amazon2600:9000:2305::/48 - CloudFront
A2600:9000:2305:f000:11:5b12:4c40:93a1🇺🇸 Amazon2600:9000:2305::/48 - CloudFront
A2600:9000:2305:f400:11:5b12:4c40:93a1🇺🇸 Amazon2600:9000:2305::/48 - CloudFront
A18.67.76.10🇺🇸 Amazon18.67.76.0/22
A18.67.76.17🇺🇸 Amazon18.67.76.0/22
A18.67.76.41🇺🇸 Amazon18.67.76.0/22
A18.67.76.91🇺🇸 Amazon18.67.76.0/22
MXmx1.mailer91.com ⭐
A103.94.140.253🇮🇳 Amazon103.94.140.0/24 Route Object
PTRsmtp-node-1.mailer91.com
MXmx2.mailer91.com(10)
A103.39.132.238🇮🇳 EMAXGLOBAL-AS103.39.132.0/24 EMAX GLOBAL MEDIA PVT. LTD.
PTRsmtp.mailer91.com
MXmxa.mailgun.org(10)
A34.36.182.139🇺🇸 Google34.32.0.0/11
PTR139.182.36.34.bc.googleusercontent.com
MXmxb.mailgun.org(10)
A34.36.182.139🇺🇸 Google34.32.0.0/11
PTR139.182.36.34.bc.googleusercontent.com
TXTv=spf1 include:mailgun.org include:mailer91.com ~all

doctutorials.com

DNSSEC⚠️ Not signed
A13.207.241.46🇺🇸 Amazon13.204.0.0/14 EC2 BOM prefix
A13.235.176.105🇮🇳 Amazon13.232.0.0/14 EC2 BOM prefix
NSns-1545.awsdns-01.co.uk ⭐
NSns-1224.awsdns-25.org
NSns-474.awsdns-59.com
NSns-910.awsdns-49.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
MXmxa.eu.mailgun.org(10)
MXmxb.eu.mailgun.org(10)
TXTMS=EAE37EDC54F86B4846908432C652BFC5F1DFA6E8
TXTMS=ms33692168
TXTv=spf1 include:_spf.google.com include:mailgun.org include:spf.protection.out...
SOAns-1545.awsdns-01.co.ukawsdns-hostmaster@amazon.com serial=1
📈 Tranco rank: #688,844

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DNS History

24 records (16 active, 8 former)

MXmx1.mailer91.commx2.mailer91.commxa.mailgun.orgmxb.mailgun.orgA18.67.76.1018.67.76.1718.67.76.4118.67.76.912600:9000:2305:8200:11:5b12:4c40:93a12600:9000:2305:9a00:11:5b12:4c40:93a12600:9000:2305:a000:11:5b12:4c40:93a12600:9000:2305:b200:11:5b12:4c40:93a12600:9000:2305:ca00:11:5b12:4c40:93a12600:9000:2305:d800:11:5b12:4c40:93a12600:9000:2305:f000:11:5b12:4c40:93a12600:9000:2305:f400:11:5b12:4c40:93a113.127.182.21313.202.214.16813.204.24.17913.235.192.415.206.60.19515.207.37.133.109.146.1823.109.78.40
●MXmx1.mailer91.com2026-03-07 → 2026-07-03 · 2 obs
● 2026-03-07 13:20:26
● 2026-07-03 12:04:38
●MXmx2.mailer91.com2026-03-07 → 2026-07-03 · 2 obs
● 2026-03-07 13:20:26
● 2026-07-03 12:04:38
●MXmxa.mailgun.org2026-03-07 → 2026-07-03 · 2 obs
● 2026-03-07 13:20:26
● 2026-07-03 12:04:38
●MXmxb.mailgun.org2026-03-07 → 2026-07-03 · 2 obs
● 2026-03-07 13:20:26
● 2026-07-03 12:04:38
○A13.127.182.2132026-03-07 → 2026-03-07 · 3 obs
● 2026-03-07 13:20:26
○ 2026-03-18 06:27:28
○ 2026-07-03 12:04:38
○A13.202.214.1682026-03-25 → 2026-03-25 · 4 obs
○ 2026-03-18 06:27:28
● 2026-03-25 02:23:04
○ 2026-04-15 06:03:04
○ 2026-07-03 12:04:38
○A13.204.24.1792026-03-25 → 2026-03-25 · 4 obs
○ 2026-03-18 06:27:28
● 2026-03-25 02:23:04
○ 2026-04-15 06:03:04
○ 2026-07-03 12:04:38
○A13.235.192.42026-03-07 → 2026-03-07 · 3 obs
● 2026-03-07 13:20:26
○ 2026-03-18 06:27:28
○ 2026-07-03 12:04:38
○A15.206.60.1952026-03-18 → 2026-03-18 · 4 obs
○ 2026-03-07 13:20:26
● 2026-03-18 06:27:28
○ 2026-03-25 02:23:04
○ 2026-07-03 12:04:38
○A15.207.37.132026-03-18 → 2026-03-18 · 4 obs
○ 2026-03-07 13:20:26
● 2026-03-18 06:27:28
○ 2026-03-25 02:23:04
○ 2026-07-03 12:04:38
●A18.67.76.102026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A18.67.76.172026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A18.67.76.412026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A18.67.76.912026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A2600:9000:2305:8200:11:5b12:4c40:93a12026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A2600:9000:2305:9a00:11:5b12:4c40:93a12026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A2600:9000:2305:a000:11:5b12:4c40:93a12026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A2600:9000:2305:b200:11:5b12:4c40:93a12026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A2600:9000:2305:ca00:11:5b12:4c40:93a12026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A2600:9000:2305:d800:11:5b12:4c40:93a12026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A2600:9000:2305:f000:11:5b12:4c40:93a12026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
●A2600:9000:2305:f400:11:5b12:4c40:93a12026-07-03 → 2026-07-03 · 3 obs
○ 2026-04-15 06:03:04
● 2026-07-03 12:04:36
● 2026-07-03 12:04:38
○A3.109.146.1822026-04-15 → 2026-04-15 · 4 obs
○ 2026-03-25 02:23:04
● 2026-04-15 06:03:04
○ 2026-07-03 12:04:36
○ 2026-07-03 12:04:38
○A3.109.78.402026-04-15 → 2026-04-15 · 4 obs
○ 2026-03-25 02:23:04
● 2026-04-15 06:03:04
○ 2026-07-03 12:04:36
○ 2026-07-03 12:04:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
doctutorials.comns-474.awsdns-59.com, ns-910.awsdns-49.net, ns-1545.awsdns-01.co.uk, ns-1224.awsdns-25.org2 records

✅ Authoritative Response

Server:205.251.196.200

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: 517ms | Queries: -

📄 Records

TypeCountSample Data
A418.67.76.41, 18.67.76.10...
AAAA82600:9000:2305:e600:11:5b12:4c40:93a1, 2600:9000:2305:1400:11:5b12:4c40:93a1...
MX4mx2.mailer91.com (pri: 10), mxa.mailgun.org (pri: 10)...
TXT1v=spf1 include:mailgun.org include:maile

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

With 12 IP addresses in total, admin.doctutorials.com resolves to 18.67.76.10, 18.67.76.17, 18.67.76.41 and 9 other.

Among the host names that share IP numbers with admin.doctutorials.com are d1tnc8h7w193fm.cloudfront.net, d1p83e6iokg0ox.cloudfront.net, david-bernhardt.com and two others.

Mail Servers

The four mail servers for admin.doctutorials.com are mx1.mailer91.com, mx2.mailer91.com, mxa.mailgun.org and mxb.mailgun.org.

admin.doctutorials.com shares at least some of its mail servers with other domains — for example bincortex.com, ckmail4.com, marwaan.net and two more.

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

Each of mx1.mailer91.com, mx2.mailer91.com, mxa.mailgun.org and mxb.mailgun.org has one IP address — mx1.mailer91.com points to 103.94.140.253, mx2.mailer91.com points to 103.39.132.238 and mxa.mailgun.org and mxb.mailgun.org both point to 34.36.182.139.

mxa.mailgun.org and mxb.mailgun.org each have 34.36.182.139 IP addresses.