hostmaster.ecourse.com - dns.ninja

`hostmaster.ecourse.com`

DNSSEC	⚠️ Not signed
A	2600:3c03::f03c:95ff:fe00:29ca^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:fe91:5d52^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:4d4f^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:cf2a^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	45.33.83.100^{🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies} ✓ In HTTPS hints
A	45.79.167.180^{🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies} ✓ In HTTPS hints
A	66.175.209.179^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies} ✓ In HTTPS hints
A	96.126.111.165^{🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies} ✓ In HTTPS hints
NS	`damao.ns.giantpanda.com` ⭐ ⚠️ Not in parent delegation
		A	3.33.232.36^{🇺🇸 Amazon3.33.224.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
NS	`yangguang.ns.giantpanda.com` ⚠️ Not in parent delegation
		A	75.2.45.63^{🇺🇸 Amazon75.2.32.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
MX	`mail.mailerhost.net` ⭐
		A	5.161.133.13^{🇺🇸 HETZNER-CLOUD2-AS5.161.133.0/24}
			PTR	`mail.mailerhost.net`
		A	161.35.84.83^{🇳🇱 DIGITALOCEAN161.35.80.0/20 DigitalOcean}
			PTR	`mail.mailerhost.net`
TXT	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
HTTPS	HTTP/2, HTTP/3 ✓ hints match
		IPv4 hints	66.175.209.179, 45.33.83.100, 45.79.167.180, 96.126.111.165
		IPv6 hints	2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:fe91:5d52
SOA	`damao.ns.giantpanda.com`admin@giantpanda.com 2013-02-04 #1

`ecourse.com`

DNSSEC	⚠️ Not signed
A	2600:3c03::f03c:95ff:fe00:29ca^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:fe91:5d52^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:4d4f^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:cf2a^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	45.33.83.100^{🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies} ✓ In HTTPS hints
A	45.79.167.180^{🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies} ✓ In HTTPS hints
A	66.175.209.179^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies} ✓ In HTTPS hints
A	96.126.111.165^{🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies} ✓ In HTTPS hints
NS	`damao.ns.giantpanda.com` ⭐
NS	`yangguang.ns.giantpanda.com`
MX	`mail.mailerhost.net` ⭐
TXT	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
HTTPS	HTTP/2, HTTP/3 ✓ hints match
		IPv4 hints	66.175.209.179, 45.33.83.100, 45.79.167.180, 96.126.111.165
		IPv6 hints	2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:fe91:5d52
SOA	`damao.ns.giantpanda.com`admin@giantpanda.com 2013-02-04 #1

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DNS History

31 records (11 active, 20 former)

○NSbuy.internettraffic.com2015-06-30 → 2016-04-28 · 4 obs

● 2015-06-30 14:26:56
● 2016-04-28 16:24:48
○ 2026-04-08 00:12:40
○ 2026-08-07 18:58:38

●NSdamao.ns.giantpanda.com2026-04-08 → 2026-08-07 · 3 obs

○ 2016-04-28 16:24:48
● 2026-04-08 00:12:40
● 2026-08-07 18:58:38

○NSsell.internettraffic.com2015-06-30 → 2016-04-28 · 4 obs

● 2015-06-30 14:26:56
● 2016-04-28 16:24:48
○ 2026-04-08 00:12:40
○ 2026-08-07 18:58:38

●NSyangguang.ns.giantpanda.com2026-05-19 → 2026-08-07 · 4 obs

○ 2026-04-08 00:12:40
○ 2026-05-18 11:08:04
● 2026-05-19 09:22:10
● 2026-08-07 18:58:38

●MXmail.mailerhost.net2026-04-08 → 2026-08-07 · 2 obs

● 2026-04-08 00:12:40
● 2026-08-07 18:58:38

○A139.162.174.2092026-04-08 → 2026-07-31 · 42 obs

○ 2026-04-08 00:12:40
● 2026-04-08 03:19:04
○ 2026-04-08 21:10:28
○ 2026-04-10 03:59:02
● 2026-04-10 04:44:06
○ 2026-04-11 21:08:08
○ 2026-04-19 21:11:12
● 2026-04-20 20:35:48
○ 2026-04-21 21:12:32
○ 2026-04-23 21:11:38
● 2026-04-24 20:14:24
● 2026-04-27 11:19:50
○ 2026-04-28 21:08:48
○ 2026-05-04 21:09:26
● 2026-05-06 05:09:14
○ 2026-05-06 21:09:14
○ 2026-05-08 21:10:10
● 2026-05-09 08:19:02
● 2026-05-12 10:27:58
○ 2026-05-18 11:08:04
● 2026-05-19 09:22:10
○ 2026-05-20 13:13:12
○ 2026-05-22 09:09:54
● 2026-05-23 13:50:38
● 2026-05-28 13:54:46
○ 2026-05-29 15:12:12
○ 2026-06-04 23:32:48
● 2026-06-05 00:10:00
● 2026-06-16 06:10:46
○ 2026-06-19 13:26:38
● 2026-06-21 10:46:48
○ 2026-07-07 20:47:56
○ 2026-07-09 09:43:16
● 2026-07-10 12:49:42
○ 2026-07-14 08:06:34
● 2026-07-15 17:04:10
● 2026-07-16 23:17:00
○ 2026-07-21 10:31:42
● 2026-07-21 23:35:48
○ 2026-07-31 02:13:12
● 2026-07-31 17:23:48
○ 2026-08-07 18:58:38

○A139.162.181.762026-04-08 → 2026-07-31 · 42 obs

○A172.104.149.862026-04-08 → 2026-07-31 · 42 obs

○A172.104.203.1862026-04-08 → 2026-07-31 · 42 obs

○A172.104.251.1982026-04-08 → 2026-07-31 · 42 obs

○A192.155.84.2362026-05-18 → 2026-07-31 · 25 obs

○ 2026-05-12 10:27:58
● 2026-05-18 11:08:04
○ 2026-05-19 09:22:10
○ 2026-05-21 02:05:26
● 2026-05-22 04:51:44
○ 2026-05-22 07:44:38
○ 2026-06-03 02:28:32
● 2026-06-03 10:34:24
○ 2026-06-04 23:32:48
○ 2026-06-11 03:13:44
● 2026-06-11 09:26:24
● 2026-06-12 04:34:30
○ 2026-06-12 13:32:30
○ 2026-06-14 17:14:02
● 2026-06-15 13:02:46
○ 2026-06-16 06:10:46
● 2026-07-09 09:43:16
○ 2026-07-09 19:09:50
● 2026-07-14 08:06:34
○ 2026-07-15 09:14:40
● 2026-07-16 16:07:34
○ 2026-07-16 23:17:00
● 2026-07-31 02:13:12
○ 2026-07-31 17:23:48
○ 2026-08-07 18:58:38

○A23.239.4.932026-05-18 → 2026-07-31 · 25 obs

○A2600:3c01::2000:3aff:feb3:2e942026-05-18 → 2026-07-31 · 25 obs

○A2600:3c01::f03c:95ff:fe91:5de52026-05-18 → 2026-07-31 · 25 obs

○A2600:3c01::f03c:95ff:feeb:5ed62026-05-18 → 2026-07-31 · 25 obs

●A2600:3c03::f03c:95ff:fe00:29ca2026-04-08 → 2026-08-07 · 44 obs

○ 2016-04-28 16:24:48
● 2026-04-08 00:12:40
○ 2026-04-08 03:19:04
● 2026-04-08 21:10:28
● 2026-04-13 23:48:24
○ 2026-04-14 21:40:40
● 2026-04-15 21:12:12
○ 2026-04-16 22:28:04
● 2026-04-17 21:10:58
● 2026-04-19 21:11:12
○ 2026-04-20 20:35:48
● 2026-04-21 21:12:32
● 2026-04-23 21:11:38
○ 2026-04-24 20:14:24
○ 2026-04-25 21:08:52
● 2026-04-26 21:09:08
○ 2026-04-27 11:19:50
● 2026-04-28 21:08:48
● 2026-05-04 21:09:26
○ 2026-05-06 05:09:14
● 2026-05-06 21:09:14
● 2026-05-08 21:10:10
○ 2026-05-09 08:19:02
○ 2026-05-20 11:31:38
● 2026-05-21 02:05:26
● 2026-05-22 09:09:54
○ 2026-05-23 13:50:38
○ 2026-05-28 13:54:46
● 2026-05-29 15:12:12
● 2026-06-02 23:26:26
○ 2026-06-03 10:34:24
● 2026-06-04 23:32:48
○ 2026-06-05 00:10:00
● 2026-06-19 13:26:38
○ 2026-06-21 10:46:48
● 2026-07-07 20:47:56
○ 2026-07-08 01:16:20
● 2026-07-10 00:47:36
○ 2026-07-10 12:49:42
● 2026-07-15 09:14:40
○ 2026-07-15 17:04:10
● 2026-07-21 10:31:42
○ 2026-07-21 23:35:48
● 2026-08-07 18:58:38

●A2600:3c03::f03c:95ff:fe91:5d522026-04-08 → 2026-08-07 · 44 obs

●A2600:3c03::f03c:95ff:feed:4d4f2026-04-08 → 2026-08-07 · 44 obs

●A2600:3c03::f03c:95ff:feed:cf2a2026-04-08 → 2026-08-07 · 44 obs

○A2a01:7e01::2000:dff:fec1:5cdb2026-04-08 → 2026-07-31 · 42 obs

○A2a01:7e01::f03c:95ff:fe00:26922026-04-08 → 2026-07-31 · 42 obs

○A2a01:7e01::f03c:95ff:fe91:5d912026-04-08 → 2026-07-31 · 42 obs

○A2a01:7e01::f03c:95ff:feeb:9d4b2026-04-08 → 2026-07-31 · 42 obs

○A2a01:7e01::f03c:95ff:feed:783e2026-04-08 → 2026-07-31 · 42 obs

●A45.33.83.1002026-04-08 → 2026-08-07 · 44 obs

●A45.79.167.1802026-04-08 → 2026-08-07 · 44 obs

●A66.175.209.1792026-04-08 → 2026-08-07 · 44 obs

○A69.172.201.1532016-04-28 → 2016-04-28 · 4 obs

○ 2016-02-02 22:19:20
● 2016-04-28 16:24:48
○ 2026-04-08 00:12:40
○ 2026-08-07 18:58:38

○A69.172.201.2082015-06-30 → 2016-02-02 · 4 obs

● 2015-06-30 14:26:56
● 2016-02-02 22:19:20
○ 2016-04-28 16:24:48
○ 2026-08-07 18:58:38

○A74.207.241.2452026-05-18 → 2026-07-31 · 25 obs

●A96.126.111.1652026-04-08 → 2026-08-07 · 44 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ecourse.com	damao.ns.giantpanda.com, yangguang.ns.giantpanda.com	2 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 ecourse.com (unsigned zone)

⏱️ Timing

Total: 195ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`45.33.83.100, 66.175.209.179...`
AAAA	4	`2600:3c03::f03c:95ff:fe91:5d52, 2600:3c03::f03c:95ff:feed:cf2a...`
NS	2	`damao.ns.giantpanda.com, yangguang.ns.giantpanda.com`
MX	1	`mail.mailerhost.net (pri: 1)`
TXT	1	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2",`
SOA	1	`damao.ns.giantpanda.com admin.giantpanda`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

hostmaster.ecourse.com has 8 IP addresses — 45.33.83.100, 45.79.167.180, 66.175.209.179 and 5 more.

boco.it, 191.netsurf.net, herei.com and two other host names share IP numbers with hostmaster.ecourse.com.

Name Servers

hostmaster.ecourse.com uses two name servers for its delegation: damao.ns.giantpanda.com and yangguang.ns.giantpanda.com.

hostmaster.ecourse.com uses the same name servers as several other domains — among them creditprograms.com, judeu.com, nbfw.tvga.com and two more.

There is at least partial name server overlap between hostmaster.ecourse.com and other domains — nullmx.palermos.com, hostle.com, hostmaster.gay.org and two more among them.

damao.ns.giantpanda.com → 3.33.232.36 and yangguang.ns.giantpanda.com → 75.2.45.63: one IP number per host name.

Mail Servers

Mail for hostmaster.ecourse.com is handled by a single mail server, mail.mailerhost.net.

hostmaster.ecourse.com uses an identical mail server configuration to several other domains — among them lvnn.com, midora.com, www.efj.in and two more.

mail.mailerhost.net carries two IP numbers: 5.161.133.13 and 161.35.84.83.