allcourse.com - dns.ninja

`allcourse.com`

DNSSEC	⚠️ Not signed
A	143.198.61.69^{🇺🇸 DIGITALOCEAN143.198.48.0/20 DigitalOcean}
		PTR	`allcourse.com`
NS	`ns51.domaincontrol.com` ⭐
		A	2603:5:2192::1a^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns51.domaincontrol.com`
		A	97.74.105.26^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns51.domaincontrol.com`
NS	`ns52.domaincontrol.com`
		A	2603:5:2292::1a^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns52.domaincontrol.com`
		A	173.201.73.26^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns52.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.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`
TXT	`google-site-verification=v7MI62X3z0YukDzfmJyE8G28o_TJsyfxmFUSG32nnB4`
TXT	`v=spf1 include:dc-aa8e722993._spfm.allcourse.com ~all`
TXT	`google-site-verification=f6tj3jWe7v-X5X14Q2fd1JZy64FIMDGI7g4EKapd5Ik`
SOA	`ns51.domaincontrol.com`dns@jomax.net 2024-07-02 #3

`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=1786727664

PTR for

69.61.198.143.in-addr.arpa

Same first word

allcourse.com

Similar names

DNS History

28 records (8 active, 20 former)

○NSdns1.name-services.com2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 22:11:08
○ 2015-08-20 14:01:34
○ 2026-08-14 17:42:06

○NSdns2.name-services.com2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 22:11:08
○ 2015-08-20 14:01:34
○ 2026-08-14 17:42:06

○NSdns3.name-services.com2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 22:11:08
○ 2015-08-20 14:01:34
○ 2026-08-14 17:42:06

○NSdns4.name-services.com2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 22:11:08
○ 2015-08-20 14:01:34
○ 2026-08-14 17:42:06

○NSdns5.name-services.com2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 22:11:08
○ 2015-08-20 14:01:34
○ 2026-08-14 17:42:06

○NSns1.namebrightdns.com2015-12-20 → 2018-09-03 · 5 obs

○ 2015-08-20 14:01:34
● 2015-12-20 11:17:54
● 2018-09-03 21:37:14
○ 2026-03-30 04:29:10
○ 2026-08-14 17:42:06

○NSns2.namebrightdns.com2015-12-20 → 2018-09-03 · 5 obs

○ 2015-08-20 14:01:34
● 2015-12-20 11:17:54
● 2018-09-03 21:37:14
○ 2026-03-30 04:29:10
○ 2026-08-14 17:42:06

●NSns51.domaincontrol.com2026-03-30 → 2026-08-14 · 3 obs

○ 2018-09-03 21:37:14
● 2026-03-30 04:29:10
● 2026-08-14 17:42:06

●NSns52.domaincontrol.com2026-03-30 → 2026-08-14 · 3 obs

○ 2018-09-03 21:37:14
● 2026-03-30 04:29:10
● 2026-08-14 17:42:06

○NSnsg1.namebrightdns.com2015-08-20 → 2015-08-20 · 4 obs

○ 2008-03-10 22:11:08
● 2015-08-20 14:01:34
○ 2015-12-20 11:17:54
○ 2026-08-14 17:42:06

○NSnsg2.namebrightdns.com2015-08-20 → 2015-08-20 · 4 obs

○ 2008-03-10 22:11:08
● 2015-08-20 14:01:34
○ 2015-12-20 11:17:54
○ 2026-08-14 17:42:06

●MXalt1.aspmx.l.google.com2026-03-30 → 2026-08-14 · 2 obs

● 2026-03-30 04:29:10
● 2026-08-14 17:42:06

●MXalt2.aspmx.l.google.com2026-03-30 → 2026-08-14 · 2 obs

● 2026-03-30 04:29:10
● 2026-08-14 17:42:06

●MXalt3.aspmx.l.google.com2026-03-30 → 2026-08-14 · 2 obs

● 2026-03-30 04:29:10
● 2026-08-14 17:42:06

●MXalt4.aspmx.l.google.com2026-03-30 → 2026-08-14 · 2 obs

● 2026-03-30 04:29:10
● 2026-08-14 17:42:06

●MXaspmx.l.google.com2026-03-30 → 2026-08-14 · 2 obs

● 2026-03-30 04:29:10
● 2026-08-14 17:42:06

○A107.23.160.2182015-12-20 → 2015-12-20 · 4 obs

○ 2015-08-20 14:01:34
● 2015-12-20 11:17:54
○ 2016-04-17 08:43:16
○ 2026-08-14 17:42:06

●A143.198.61.692026-03-30 → 2026-08-14 · 3 obs

○ 2018-09-03 21:37:14
● 2026-03-30 04:29:10
● 2026-08-14 17:42:06

○A52.200.243.1232016-04-17 → 2016-04-17 · 4 obs

○ 2015-12-20 11:17:54
● 2016-04-17 08:43:16
○ 2017-01-07 23:25:26
○ 2026-08-14 17:42:06

○A54.152.144.2432016-04-17 → 2016-04-17 · 4 obs

○ 2015-12-20 11:17:54
● 2016-04-17 08:43:16
○ 2017-01-07 23:25:26
○ 2026-08-14 17:42:06

○A54.174.31.2542015-08-20 → 2015-08-20 · 4 obs

○ 2008-03-10 22:11:08
● 2015-08-20 14:01:34
○ 2018-09-03 21:37:14
○ 2026-08-14 17:42:06

○A54.208.74.2152015-08-20 → 2015-08-20 · 4 obs

○ 2008-03-10 22:11:08
● 2015-08-20 14:01:34
○ 2018-09-03 21:37:14
○ 2026-08-14 17:42:06

○A54.209.90.812015-12-20 → 2015-12-20 · 4 obs

○ 2015-08-20 14:01:34
● 2015-12-20 11:17:54
○ 2016-04-17 08:43:16
○ 2026-08-14 17:42:06

○A54.84.53.382017-01-07 → 2017-01-07 · 4 obs

○ 2016-04-17 08:43:16
● 2017-01-07 23:25:26
○ 2018-09-03 21:37:14
○ 2026-08-14 17:42:06

○A54.88.107.1402017-01-07 → 2017-01-07 · 4 obs

○ 2016-04-17 08:43:16
● 2017-01-07 23:25:26
○ 2018-09-03 21:37:14
○ 2026-08-14 17:42:06

○A63.251.92.1972008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 22:11:08
○ 2015-08-20 14:01:34
○ 2026-08-14 17:42:06

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-20 → 2016-04-17 · 5 obs

○ 2008-03-10 22:11:08
● 2015-08-20 14:01:34
● 2016-04-17 08:43:16
○ 2017-01-07 23:25:26
○ 2026-08-14 17:42:06

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-07 → 2018-09-03 · 5 obs

○ 2016-04-17 08:43:16
● 2017-01-07 23:25:26
● 2018-09-03 21:37:14
○ 2026-03-30 04:29:10
○ 2026-08-14 17:42:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
allcourse.com	ns51.domaincontrol.com, ns52.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.105.26

NS records: ns51.domaincontrol.com, ns52.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for allcourse.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`143.198.61.69`
NS	2	`ns51.domaincontrol.com, ns52.domaincontrol.com`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	3	`google-site-verification=v7MI62X3z0YukDz, v=spf1 include:dc-aa8e722993._spfm.allco...`
SOA	1	`ns51.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)

Analysis

IP Addresses

allcourse.com directs to one IP number, which is 143.198.61.69.

Name Servers

allcourse.com is served by two delegated name servers, ns51.domaincontrol.com and ns52.domaincontrol.com.

allcourse.com has the same name server delegation as a number of other domains, such as blackfireprofessional.com, murainnovations.com, xn--72c6ae2b2byb0j.com and two more.

Each of the two host names carries two IP addresses: ns51.domaincontrol.com points to 97.74.105.26 and 2603:5:2192::1a, and ns52.domaincontrol.com points to 173.201.73.26 and 2603:5:2292::1a.

Mail Servers

allcourse.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

allcourse.com shares at least some of its mail servers with other domains — for example tabb.ai, amadalbaeed.com, ns500821.ns500841.ns500841.ns500794.ns500794.ns500821.ns500795.ns500794.ns500795.ns500794.ns500821.ns500795.ns500795.ns500790.ns500795.lustypartnersfinder.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com maps to two IP addresses — 192.178.155.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 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.