ustadmobile.com - dns.ninja

`ustadmobile.com`

DNSSEC	⚠️ Not signed
A	95.217.189.215^{🇫🇮 Hetzner95.217.0.0/16 HETZNER-DC}
		PTR	`static.215.189.217.95.clients.your-server.de`
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	`ustadmobile-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`OSSRH-85553`
TXT	`MS=ms53673807`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`google-site-verification=YhzQ1ZGMBMcNQKiPGlSvz4yIcx248ViBaYN8-9oCKvg`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1785225312

`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=1785901559

Subdomains

devserver2.ustadmobile.com

Same first word

ustadmobile.com

Similar names

absolutemid.com

elambstudio.com

blamestudio.co.kr

amblestudio.com

DNS History

9 records (4 active, 5 former)

●NSdns1.registrar-servers.com2017-03-19 → 2026-08-05 · 3 obs

○ 2016-04-05 23:11:30
● 2017-03-19 19:38:16
● 2026-08-05 03:46:32

●NSdns2.registrar-servers.com2017-03-19 → 2026-08-05 · 3 obs

○ 2016-04-05 23:11:30
● 2017-03-19 19:38:16
● 2026-08-05 03:46:32

○NSns25.domaincontrol.com2015-06-13 → 2016-04-05 · 4 obs

● 2015-06-13 19:39:28
● 2016-04-05 23:11:30
○ 2017-03-19 19:38:16
○ 2026-08-05 03:46:32

○NSns26.domaincontrol.com2015-06-13 → 2016-04-05 · 4 obs

● 2015-06-13 19:39:28
● 2016-04-05 23:11:30
○ 2017-03-19 19:38:16
○ 2026-08-05 03:46:32

○MXsvr1.ustadmobile.com2015-06-13 → 2017-03-19 · 4 obs

● 2015-06-13 19:39:28
● 2017-03-19 19:38:16
○ 2026-02-18 02:36:20
○ 2026-08-05 03:46:32

●MXustadmobile-com.mail.protection.outlook.com2026-02-18 → 2026-08-05 · 3 obs

○ 2017-03-19 19:38:16
● 2026-02-18 02:36:20
● 2026-08-05 03:46:32

○A2a01:4f8:1b7:a32::22015-06-13 → 2017-03-19 · 4 obs

● 2015-06-13 19:39:28
● 2017-03-19 19:38:16
○ 2026-02-18 02:36:20
○ 2026-08-05 03:46:32

○A88.198.162.1152015-06-13 → 2017-03-19 · 4 obs

● 2015-06-13 19:39:28
● 2017-03-19 19:38:16
○ 2026-02-18 02:36:20
○ 2026-08-05 03:46:32

●A95.217.189.2152026-02-18 → 2026-08-05 · 3 obs

○ 2017-03-19 19:38:16
● 2026-02-18 02:36:20
● 2026-08-05 03:46:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
ustadmobile.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 ustadmobile.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`95.217.189.215`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	1	`ustadmobile-com.mail.protection.outlook.`
TXT	4	`OSSRH-85553, MS=ms53673807...`
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

Hierarchy

ustadmobile.com serves as the parent of devserver2.ustadmobile.com.

IP Addresses

ustadmobile.com has exactly one IP address — 95.217.189.215.

Additional host names — including devserver2.ustadmobile.com and static.215.189.217.95.clients.your-server.de — share IP numbers with ustadmobile.com.

Name Servers

ustadmobile.com is served by two delegated name servers, dns1.registrar-servers.com and dns2.registrar-servers.com.

The name server configuration of ustadmobile.com is shared with other domains, for instance potaporridge.com, vestenskov.com, siegeroffice.com and two others.

ustadmobile.com has at least partial name server overlap with other domains, such as ehlisunnetbg.com, walkdowntown.com, 323pets.com and two others.

These name servers tend to appear together with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Each of the two host names carries two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

ustadmobile.com uses one mail server — ustadmobile-com.mail.protection.outlook.com.

ustadmobile-com.mail.protection.outlook.com has 8 IP addresses: 52.101.68.0, 52.101.68.3, 52.101.68.39 plus 5 more.