opensourcetutorials.in - robtex.com

opensourcetutorials.in

DNSSEC⚠️ Not signed
A162.159.153.4Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSdns1.bigrock.in ⭐
A162.251.82.122🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.122.reverse.myorderbox.com
A162.251.82.123🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.123.reverse.myorderbox.com
A162.251.82.250🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.250.reverse.myorderbox.com
A162.251.82.251🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.251.reverse.myorderbox.com
NSdns2.bigrock.in
A162.251.82.120🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.120.reverse.myorderbox.com
A162.251.82.121🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.121.reverse.myorderbox.com
A162.251.82.248🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.248.reverse.myorderbox.com
A162.251.82.249🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.249.reverse.myorderbox.com
NSdns3.bigrock.in
A162.251.82.118🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.118.reverse.myorderbox.com
A162.251.82.119🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.119.reverse.myorderbox.com
A162.251.82.246🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.246.reverse.myorderbox.com
A162.251.82.247🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.247.reverse.myorderbox.com
NSdns4.bigrock.in
A162.251.82.124🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.124.reverse.myorderbox.com
A162.251.82.125🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.125.reverse.myorderbox.com
A162.251.82.252🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.252.reverse.myorderbox.com
A162.251.82.253🇺🇸 Cloudflare162.251.82.0/24 PDR
PTR162.251.82.253.reverse.myorderbox.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c0b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f27.1e100.net
A172.253.122.26🇺🇸 Google172.253.122.0/24
PTRbh-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:4013:c1e::1b🇳🇱 Google2a00:1450:4013::/48
PTRyugrqzs-in-f27.1e100.net
A192.178.213.27🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
MXn44iir4x2c3uadd3gv2kmseli7rxhfuyizigx72hxjhkdszg7xca.mx-verification.google.com(15)
MXus2.mx1.mailhostbox.com(100)
A162.215.3.26🇺🇸 EIGI162.214.0.0/15 Unified Layer
PTR162-215-3-26.unifiedlayer.com
MXus2.mx2.mailhostbox.com(100)
A162.215.2.27🇺🇸 EIGI162.214.0.0/15 Unified Layer
PTR162-215-2-27.unifiedlayer.com
MXus2.mx3.mailhostbox.com(100)
A162.215.3.25🇺🇸 EIGI162.214.0.0/15 Unified Layer
PTR162-215-3-25.unifiedlayer.com
TXTv=spf1 redirect=_spf.mailhostbox.com
SOAdns1.bigrock.intayyabsayyad@gmail.com 2026-02-03 #1

in

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1774755059

Same first word

opensourcetutorials.com
opensourcetutorials.in

DNS History

14 records (14 active, 0 former)

NSdns1.bigrock.indns2.bigrock.indns3.bigrock.indns4.bigrock.inMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comn44iir4x2c3uadd3gv2kmseli7rxhfuyizigx72hxjhkdszg7xca.mx-verification.google.comus2.mx1.mailhostbox.comus2.mx2.mailhostbox.comus2.mx3.mailhostbox.comA162.159.153.4
●NSdns1.bigrock.in2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●NSdns2.bigrock.in2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●NSdns3.bigrock.in2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●NSdns4.bigrock.in2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXalt1.aspmx.l.google.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXalt2.aspmx.l.google.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXalt3.aspmx.l.google.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXalt4.aspmx.l.google.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXaspmx.l.google.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXn44iir4x2c3uadd3gv2kmseli7rxhfuyizigx72hxjhkdszg7xca.mx-verification.google.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXus2.mx1.mailhostbox.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXus2.mx2.mailhostbox.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●MXus2.mx3.mailhostbox.com2026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10
●A162.159.153.42026-03-25 → 2026-03-29 · 2 obs
● 2026-03-25 05:58:52
● 2026-03-29 03:55:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
inns10.trs-dns.org, ns01.trs-dns.com, ns10.trs-dns.info, ns01.trs-dns.net-
opensourcetutorials.indns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in, dns4.bigrock.in-

✅ Authoritative Response

Server:162.251.82.250

NS records: dns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in, dns4.bigrock.in

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensourcetutorials.in (unsigned zone)

⏱️ Timing

Total: 1684ms | Queries: -

📄 Records

TypeCountSample Data
A1162.159.153.4
NS4dns2.bigrock.in, dns1.bigrock.in...
MX9alt4.aspmx.l.google.com (pri: 10), us2.mx1.mailhostbox.com (pri: 100)...
TXT1v=spf1 redirect=_spf.mailhostbox.com
SOA1dns1.bigrock.in tayyabsayyad.gmail.com

Analysis

IP Addresses

opensourcetutorials.in resolves to a single IP: 162.159.153.4.

Other host names, for instance blog.enfabrica.net, itonline.medium.com, sornhub.com, adrianhynes.medium.com and latentvisibility.medium.com share IP numbers with opensourcetutorials.in.

Name Servers

opensourcetutorials.in is delegated to four name servers: dns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in and dns4.bigrock.in.

opensourcetutorials.in shares some name servers with other domains, for example fuelcard.co.in, vadalia.in, nativate.net, prismsindia.in and allinoneblog.net.

These name servers are commonly used with the name servers 208.91.197.91.

Host names with four IPs

The host name dns1.bigrock.in points to 162.251.82.122, 162.251.82.123, 162.251.82.250 and 162.251.82.251.

The host name dns2.bigrock.in points to 162.251.82.120, 162.251.82.121, 162.251.82.248 and 162.251.82.249.

The host name dns3.bigrock.in points to 162.251.82.118, 162.251.82.119, 162.251.82.246 and 162.251.82.247.

The host name dns4.bigrock.in points to 162.251.82.124, 162.251.82.125, 162.251.82.252 and 162.251.82.253.

Mail Servers

opensourcetutorials.in is handled by nine mail servers: aspmx.l.google.com, n44iir4x2c3uadd3gv2kmseli7rxhfuyizigx72hxjhkdszg7xca.mx-verification.google.com, us2.mx1.mailhostbox.com, us2.mx2.mailhostbox.com, us2.mx3.mailhostbox.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

opensourcetutorials.in shares some mail servers with other domains, at least partially; for instance epicdigital.com, ns500754.ns500731.ns500731.ns500731.ns500731.ns500671.ns500688.ns500671.ns500705.ns500671.ns500291.ns500649.tenderladiesbz.com, ns500758.ns500698.ns500759.ns500759.ns500698.ns500698.ns500698.ns500698.ns500736.ns500736.ns500698.ns500576.ns500698.ns500576.ns500652.trackreceptor.com, ns500795.ns500794.ns500794.ns500821.ns500795.ns500821.ns500794.ns500795.ns500795.lustypartnersfinder.com and vertigodata.com.

these mail servers are often used together with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c0b::1b and 172.253.122.26

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.26

alt2.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.27

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27

Host names with one IP number:

us2.mx1.mailhostbox.com points to 162.215.3.26

us2.mx2.mailhostbox.com points to 162.215.2.27

us2.mx3.mailhostbox.com points to 162.215.3.25