androidcourse.com - dns.ninja

`androidcourse.com`

DNSSEC	⚠️ Not signed
A	146.190.187.85^{🇺🇸 DIGITALOCEAN146.190.184.0/22 DigitalOcean}
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1735449571

`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=1785876054

Same first word

androidcourse.com

DNS History

23 records (8 active, 15 former)

○NSbuy.internettraffic.com2015-06-03 → 2016-01-22 · 4 obs

● 2015-06-03 05:06:10
● 2016-01-22 05:00:10
○ 2016-04-10 18:02:24
○ 2026-08-04 21:04:18

●NSdns1.registrar-servers.com2026-02-24 → 2026-08-04 · 3 obs

○ 2017-06-14 13:46:32
● 2026-02-24 16:09:34
● 2026-08-04 21:04:18

●NSdns2.registrar-servers.com2026-02-24 → 2026-08-04 · 3 obs

○ 2017-06-14 13:46:32
● 2026-02-24 16:09:34
● 2026-08-04 21:04:18

○NSns1.dynadot.com2016-04-10 → 2016-04-10 · 4 obs

○ 2016-01-22 05:00:10
● 2016-04-10 18:02:24
○ 2016-11-28 17:54:34
○ 2026-08-04 21:04:18

○NSns1626.ztomy.com2016-11-28 → 2016-11-28 · 4 obs

○ 2016-04-10 18:02:24
● 2016-11-28 17:54:34
○ 2017-06-14 13:46:32
○ 2026-08-04 21:04:18

○NSns2.dynadot.com2016-04-10 → 2016-04-10 · 4 obs

○ 2016-01-22 05:00:10
● 2016-04-10 18:02:24
○ 2016-11-28 17:54:34
○ 2026-08-04 21:04:18

○NSns2626.ztomy.com2016-11-28 → 2016-11-28 · 4 obs

○ 2016-04-10 18:02:24
● 2016-11-28 17:54:34
○ 2017-06-14 13:46:32
○ 2026-08-04 21:04:18

○NSsell.internettraffic.com2015-06-03 → 2016-01-22 · 4 obs

● 2015-06-03 05:06:10
● 2016-01-22 05:00:10
○ 2016-04-10 18:02:24
○ 2026-08-04 21:04:18

○NSsk.s5.ans1.ns148.ztomy.com2017-06-14 → 2017-06-14 · 4 obs

○ 2016-11-28 17:54:34
● 2017-06-14 13:46:32
○ 2026-02-24 16:09:34
○ 2026-08-04 21:04:18

○NSsk.s5.ans2.ns148.ztomy.com2017-06-14 → 2017-06-14 · 4 obs

○ 2016-11-28 17:54:34
● 2017-06-14 13:46:32
○ 2026-02-24 16:09:34
○ 2026-08-04 21:04:18

●MXeforward1.registrar-servers.com2026-02-24 → 2026-08-04 · 2 obs

● 2026-02-24 16:09:34
● 2026-08-04 21:04:18

●MXeforward2.registrar-servers.com2026-02-24 → 2026-08-04 · 2 obs

● 2026-02-24 16:09:34
● 2026-08-04 21:04:18

●MXeforward3.registrar-servers.com2026-02-24 → 2026-08-04 · 2 obs

● 2026-02-24 16:09:34
● 2026-08-04 21:04:18

●MXeforward4.registrar-servers.com2026-02-24 → 2026-08-04 · 2 obs

● 2026-02-24 16:09:34
● 2026-08-04 21:04:18

●MXeforward5.registrar-servers.com2026-02-24 → 2026-08-04 · 2 obs

● 2026-02-24 16:09:34
● 2026-08-04 21:04:18

●A146.190.187.852026-02-24 → 2026-08-04 · 3 obs

○ 2017-06-14 13:46:32
● 2026-02-24 16:09:34
● 2026-08-04 21:04:18

○A199.59.243.1202016-04-10 → 2016-04-10 · 4 obs

○ 2016-01-22 05:00:10
● 2016-04-10 18:02:24
○ 2016-11-28 17:54:34
○ 2026-08-04 21:04:18

○A204.11.56.482016-11-28 → 2016-11-28 · 4 obs

○ 2016-04-10 18:02:24
● 2016-11-28 17:54:34
○ 2017-06-14 13:46:32
○ 2026-08-04 21:04:18

○A208.91.197.462017-06-14 → 2017-06-14 · 4 obs

○ 2016-11-28 17:54:34
● 2017-06-14 13:46:32
○ 2026-02-24 16:09:34
○ 2026-08-04 21:04:18

○A69.172.201.2082015-06-03 → 2016-01-22 · 4 obs

● 2015-06-03 05:06:10
● 2016-01-22 05:00:10
○ 2016-04-10 18:02:24
○ 2026-08-04 21:04:18

○CNAME7450.bodis.com2016-04-10 → 2016-04-10 · 3 obs

● 2016-04-10 18:02:24
○ 2016-11-28 17:54:34
○ 2026-08-04 21:04:18

○PTRns1626.ztomy.com2016-11-28 → 2016-11-28 · 3 obs

● 2016-11-28 17:54:34
○ 2017-06-14 13:46:32
○ 2026-08-04 21:04:18

○PTRsk.s5.ans1.ns148.ztomy.com2017-06-14 → 2017-06-14 · 4 obs

○ 2016-11-28 17:54:34
● 2017-06-14 13:46:32
○ 2026-02-24 16:09:34
○ 2026-08-04 21:04:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
androidcourse.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for androidcourse.com (unsigned zone)

⏱️ Timing

Total: 163ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`146.190.187.85`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

androidcourse.com resolves to one IP address: 146.190.187.85.

Host names such as skilldeck.com, cuatrista.com and www.skilldeck.com share their IP numbers with androidcourse.com.

Name Servers

androidcourse.com is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

androidcourse.com uses the same name servers as several other domains — among them thetherapytree.org, aminlogic.com, npoiu.shop and two more.

Some name servers delegated to androidcourse.com are also used by other domains, notably tangobudapest.com and freyascatrescue.org.

dns1.registrar-servers.com and dns2.registrar-servers.com each resolve to two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, while dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

Five mail servers handle androidcourse.com: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

androidcourse.com has at least partial mail server overlap with other domains such as springsiding.com, lottery7.co.com, agencyos.dev and two more.

The mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are commonly seen alongside these mail servers.

Hosts with just one IP address:

eforward1.registrar-servers.com points to 162.255.118.51.

eforward2.registrar-servers.com points to 162.255.118.52.

eforward3.registrar-servers.com points to 162.255.118.51.

eforward4.registrar-servers.com points to 162.255.118.52.

eforward5.registrar-servers.com points to 162.255.118.51.

The host names eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com each resolve to 162.255.118.51.

eforward2.registrar-servers.com and eforward4.registrar-servers.com are host names that each point to 162.255.118.52 IP addresses.