maincourse.com - dns.ninja

maincourse.com

DNSSEC⚠️ Not signed
A2600:3c03::f03c:95ff:fe00:29ca🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies
A2600:3c03::f03c:95ff:fe91:5d52🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies
A2600:3c03::f03c:95ff:feed:4d4f🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies
A2600:3c03::f03c:95ff:feed:cf2a🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies
A45.33.83.100🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies
A45.79.167.180🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies
A66.175.209.179🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies
A96.126.111.165🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies
NSdamao.ns.giantpanda.com ⭐
A3.33.232.36🇺🇸 Amazon3.33.224.0/20
PTRab9e1958095d04f26.awsglobalaccelerator.com
NSyangguang.ns.giantpanda.com
A75.2.45.63🇺🇸 Amazon75.2.32.0/20
PTRab9e1958095d04f26.awsglobalaccelerator.com
MXmail.mailerhost.net ⭐
A5.161.133.13🇺🇸 HETZNER-CLOUD2-AS5.161.133.0/24
PTRmail.mailerhost.net
A161.35.84.83🇳🇱 DIGITALOCEAN161.35.80.0/20 DigitalOcean
PTRmail.mailerhost.net
TXTv=spf1 ip6:fd43:c0d1:c090::/48 -all
SOAdamao.ns.giantpanda.comadmin@giantpanda.com 2013-02-04 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1781371813

Subdomains

hostmaster.maincourse.com

Same first word

maincourse.us
maincourse.com

Similar names

cameronius.com
usinemaroc.com
miansource.com
mainsource.ru
mainsource.com
renomusica.com

DNS History

30 records (11 active, 19 former)

2008201020122014201620182020202220242026NSdamao.ns.giantpanda.comyangguang.ns.giantpanda.coma.ns.ultsearch.comb.ns.ultsearch.combuy.internettraffic.comns1.uniregistrymarket.linkns2.uniregistrymarket.linksell.internettraffic.comMXmail.mailerhost.netA2600:3c03::f03c:95ff:fe00:29ca2600:3c03::f03c:95ff:fe91:5d522600:3c03::f03c:95ff:feed:4d4f2600:3c03::f03c:95ff:feed:cf2a45.33.83.10045.79.167.18066.175.209.17996.126.111.165139.162.174.209139.162.181.76172.104.149.86172.104.203.186172.104.251.1982a01:7e01::2000:dff:fec1:5cdb2a01:7e01::f03c:95ff:fe00:26922a01:7e01::f03c:95ff:fe91:5d912a01:7e01::f03c:95ff:feeb:9d4b2a01:7e01::f03c:95ff:feed:783e66.116.125.7369.172.201.15369.172.201.208
○NSa.ns.ultsearch.com2007-11-04 → 2007-11-04 · 3 obs
● 2007-11-04 10:26:18
○ 2015-06-18 08:16:38
○ 2026-06-13 17:34:50
○NSb.ns.ultsearch.com2007-11-04 → 2007-11-04 · 3 obs
● 2007-11-04 10:26:18
○ 2015-06-18 08:16:38
○ 2026-06-13 17:34:50
○NSbuy.internettraffic.com2015-06-18 → 2016-04-18 · 5 obs
○ 2007-11-04 10:26:18
● 2015-06-18 08:16:38
● 2016-04-18 01:09:08
○ 2016-11-25 10:25:08
○ 2026-06-13 17:34:50
●NSdamao.ns.giantpanda.com2026-02-27 → 2026-06-13 · 3 obs
○ 2017-10-12 21:33:36
● 2026-02-27 01:13:50
● 2026-06-13 17:34:50
○NSns1.uniregistrymarket.link2016-11-25 → 2017-10-12 · 5 obs
○ 2016-04-18 01:09:08
● 2016-11-25 10:25:08
● 2017-10-12 21:33:36
○ 2026-02-27 01:13:50
○ 2026-06-13 17:34:50
○NSns2.uniregistrymarket.link2016-11-25 → 2017-10-12 · 5 obs
○ 2016-04-18 01:09:08
● 2016-11-25 10:25:08
● 2017-10-12 21:33:36
○ 2026-02-27 01:13:50
○ 2026-06-13 17:34:50
○NSsell.internettraffic.com2015-06-18 → 2016-04-18 · 5 obs
○ 2007-11-04 10:26:18
● 2015-06-18 08:16:38
● 2016-04-18 01:09:08
○ 2016-11-25 10:25:08
○ 2026-06-13 17:34:50
●NSyangguang.ns.giantpanda.com2026-02-27 → 2026-06-13 · 3 obs
○ 2017-10-12 21:33:36
● 2026-02-27 01:13:50
● 2026-06-13 17:34:50
●MXmail.mailerhost.net2026-02-27 → 2026-06-13 · 2 obs
● 2026-02-27 01:13:50
● 2026-06-13 17:34:50
○A139.162.174.2092026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
○A139.162.181.762026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
○A172.104.149.862026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
○A172.104.203.1862026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
○A172.104.251.1982026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
●A2600:3c03::f03c:95ff:fe00:29ca2026-04-03 → 2026-06-13 · 6 obs
○ 2026-02-27 01:13:50
● 2026-04-03 08:24:18
● 2026-05-04 16:50:58
○ 2026-05-18 05:12:00
○ 2026-06-12 12:54:38
● 2026-06-13 17:34:50
●A2600:3c03::f03c:95ff:fe91:5d522026-02-27 → 2026-06-13 · 6 obs
○ 2017-10-12 21:33:36
● 2026-02-27 01:13:50
● 2026-05-04 16:50:58
○ 2026-05-18 05:12:00
○ 2026-06-12 12:54:38
● 2026-06-13 17:34:50
●A2600:3c03::f03c:95ff:feed:4d4f2026-02-27 → 2026-06-13 · 6 obs
○ 2017-10-12 21:33:36
● 2026-02-27 01:13:50
● 2026-05-04 16:50:58
○ 2026-05-18 05:12:00
○ 2026-06-12 12:54:38
● 2026-06-13 17:34:50
●A2600:3c03::f03c:95ff:feed:cf2a2026-04-03 → 2026-06-13 · 6 obs
○ 2026-02-27 01:13:50
● 2026-04-03 08:24:18
● 2026-05-04 16:50:58
○ 2026-05-18 05:12:00
○ 2026-06-12 12:54:38
● 2026-06-13 17:34:50
○A2a01:7e01::2000:dff:fec1:5cdb2026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
○A2a01:7e01::f03c:95ff:fe00:26922026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
○A2a01:7e01::f03c:95ff:fe91:5d912026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
○A2a01:7e01::f03c:95ff:feeb:9d4b2026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
○A2a01:7e01::f03c:95ff:feed:783e2026-05-18 → 2026-06-12 · 4 obs
○ 2026-05-04 16:50:58
● 2026-05-18 05:12:00
● 2026-06-12 12:54:38
○ 2026-06-13 17:34:50
●A45.33.83.1002026-04-03 → 2026-06-13 · 6 obs
○ 2026-02-27 01:13:50
● 2026-04-03 08:24:18
● 2026-05-04 16:50:58
○ 2026-05-18 05:12:00
○ 2026-06-12 12:54:38
● 2026-06-13 17:34:50
●A45.79.167.1802026-04-03 → 2026-06-13 · 6 obs
○ 2026-02-27 01:13:50
● 2026-04-03 08:24:18
● 2026-05-04 16:50:58
○ 2026-05-18 05:12:00
○ 2026-06-12 12:54:38
● 2026-06-13 17:34:50
○A66.116.125.732007-11-04 → 2007-11-04 · 3 obs
● 2007-11-04 10:26:18
○ 2015-06-18 08:16:38
○ 2026-06-13 17:34:50
●A66.175.209.1792026-02-27 → 2026-06-13 · 6 obs
○ 2017-10-12 21:33:36
● 2026-02-27 01:13:50
● 2026-05-04 16:50:58
○ 2026-05-18 05:12:00
○ 2026-06-12 12:54:38
● 2026-06-13 17:34:50
○A69.172.201.1532016-04-18 → 2017-10-12 · 5 obs
○ 2016-01-19 17:15:52
● 2016-04-18 01:09:08
● 2017-10-12 21:33:36
○ 2026-02-27 01:13:50
○ 2026-06-13 17:34:50
○A69.172.201.2082015-06-18 → 2016-01-19 · 5 obs
○ 2007-11-04 10:26:18
● 2015-06-18 08:16:38
● 2016-01-19 17:15:52
○ 2016-04-18 01:09:08
○ 2026-06-13 17:34:50
●A96.126.111.1652026-02-27 → 2026-06-13 · 6 obs
○ 2017-10-12 21:33:36
● 2026-02-27 01:13:50
● 2026-05-04 16:50:58
○ 2026-05-18 05:12:00
○ 2026-06-12 12:54:38
● 2026-06-13 17:34:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
maincourse.comdamao.ns.giantpanda.com, yangguang.ns.giantpanda.com2 records

✅ Authoritative Response

Server:3.33.232.36

NS records: damao.ns.giantpanda.com, yangguang.ns.giantpanda.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for maincourse.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

TypeCountSample Data
A466.175.209.179, 45.33.83.100...
AAAA42600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:feed:cf2a...
NS2damao.ns.giantpanda.com, yangguang.ns.giantpanda.com
MX1mail.mailerhost.net (pri: 1)
TXT1v=spf1 ip6:fd43:c0d1:c090::/48 -all
SOA1damao.ns.giantpanda.com admin.giantpanda

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (damao.ns.giantpanda.com, yangguang.ns.giantpanda.com)

Analysis

Hierarchy

The domain hostmaster.maincourse.com falls under the parent maincourse.com.

IP Addresses

maincourse.com points to 8 IP addresses, including 45.33.83.100, 45.79.167.180 and 66.175.209.179, plus 5 other.

tb4all.blogspot.com.com, jehtoday.net, articlesbd.com.com plus two other host names have IP numbers in common with maincourse.com.

Name Servers

DNS delegation for maincourse.com points to two name servers: damao.ns.giantpanda.com and yangguang.ns.giantpanda.com.

The name server configuration of maincourse.com is shared with other domains, for instance 11.122-87.serverprovider.com, asnb.com, zxhi.com and two others.

At least some of maincourse.com's name servers are shared with other domains, for example www.outlok.com and stean.com.

Each of damao.ns.giantpanda.com and yangguang.ns.giantpanda.com has one IP address: damao.ns.giantpanda.com uses 3.33.232.36 and yangguang.ns.giantpanda.com uses 75.2.45.63.

Mail Servers

maincourse.com uses one mail server — mail.mailerhost.net.

The mail server setup of maincourse.com matches that of other domains such as massagetherapie.com, eliautomotive.net, smarters.com and two others.

mail.mailerhost.net directs to two IP numbers, 5.161.133.13 and 161.35.84.83.