mastersprogram.us - dns.ninja

`mastersprogram.us`

DNSSEC	⚠️ Not signed
A	68.66.226.92^{🇺🇸 A2HOSTING68.66.224.0/20 A2 Hosting, Inc.}
		PTR	`az1-ts4.a2hosting.com`
NS	`ns1.a2hosting.com` ⭐ ⚠️ Not in parent delegation
		A	13.248.158.180^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns2.a2hosting.com` ⚠️ Not in parent delegation
		A	75.2.118.134^{🇺🇸 Amazon75.2.112.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
NS	`ns3.a2hosting.com`
		A	76.223.26.245^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns4.a2hosting.com`
		A	99.83.147.209^{🇺🇸 Amazon99.83.144.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
MX	`mastersprogram.us` ⭐
		A	68.66.226.92^{🇺🇸 A2HOSTING68.66.224.0/20 A2 Hosting, Inc.}
			PTR	`az1-ts4.a2hosting.com`
SOA	`ns1.a2hosting.com`root@az1-ts4.a2hosting.com 2026-06-14 #1

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1782679937

MX for

mastersprogram.us

Same first word

mastersprogram.net

mastersprogram.com

mastersprogram.org

mastersprogram.de

mastersprogram.us

Similar names

artsprogrammes.com

programmasters.com

masterprograms.com

programmasters.blogspot.com

DNS History

12 records (6 active, 6 former)

●NSns1.a2hosting.com2026-04-02 → 2026-06-28 · 3 obs

○ 2016-09-13 04:25:20
● 2026-04-02 10:41:16
● 2026-06-28 21:29:50

●NSns2.a2hosting.com2026-04-02 → 2026-06-28 · 3 obs

○ 2016-09-13 04:25:20
● 2026-04-02 10:41:16
● 2026-06-28 21:29:50

●NSns3.a2hosting.com2016-09-13 → 2026-06-28 · 3 obs

○ 2016-04-01 23:13:02
● 2016-09-13 04:25:20
● 2026-06-28 21:29:50

●NSns4.a2hosting.com2016-09-13 → 2026-06-28 · 3 obs

○ 2016-04-01 23:13:02
● 2016-09-13 04:25:20
● 2026-06-28 21:29:50

○NSns57.1and1.com2015-05-25 → 2016-04-01 · 4 obs

● 2015-05-25 13:39:12
● 2016-04-01 23:13:02
○ 2016-09-13 04:25:20
○ 2026-06-28 21:29:50

○NSns58.1and1.com2015-05-25 → 2016-04-01 · 4 obs

● 2015-05-25 13:39:12
● 2016-04-01 23:13:02
○ 2016-09-13 04:25:20
○ 2026-06-28 21:29:50

●MXmastersprogram.us2016-09-13 → 2026-06-28 · 3 obs

○ 2016-04-01 23:13:02
● 2016-09-13 04:25:20
● 2026-06-28 21:29:50

○MXmx00.1and1.com2015-05-25 → 2016-04-01 · 4 obs

● 2015-05-25 13:39:12
● 2016-04-01 23:13:02
○ 2016-09-13 04:25:20
○ 2026-06-28 21:29:50

○MXmx01.1and1.com2015-05-25 → 2016-04-01 · 4 obs

● 2015-05-25 13:39:12
● 2016-04-01 23:13:02
○ 2016-09-13 04:25:20
○ 2026-06-28 21:29:50

○A104.218.8.1952016-09-13 → 2017-06-14 · 5 obs

○ 2016-04-01 23:13:02
● 2016-09-13 04:25:20
● 2017-06-14 02:12:14
○ 2026-04-02 10:41:16
○ 2026-06-28 21:29:50

●A68.66.226.922026-04-02 → 2026-06-28 · 3 obs

○ 2017-06-14 02:12:14
● 2026-04-02 10:41:16
● 2026-06-28 21:29:50

○A74.208.51.1892015-05-25 → 2016-04-01 · 4 obs

● 2015-05-25 13:39:12
● 2016-04-01 23:13:02
○ 2016-09-13 04:25:20
○ 2026-06-28 21:29:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
mastersprogram.us	ns3.a2hosting.com, ns4.a2hosting.com	-

✅ Authoritative Response

Server:99.83.147.209

NS records: ns3.a2hosting.com, ns4.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastersprogram.us (unsigned zone)

⏱️ Timing

Total: 526ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`68.66.226.92`
NS	4	`ns2.a2hosting.com, ns1.a2hosting.com...`
MX	1	`mastersprogram.us (pri: 0)`
SOA	1	`ns1.a2hosting.com root.az1-ts4.a2hosting`

Analysis

Mail Server Role

The MX record for mastersprogram.us points back to mastersprogram.us — it is its own mail server.

IP Addresses

mastersprogram.us directs to one IP number, which is 68.66.226.92.

Among the host names that share IP numbers with mastersprogram.us are mail.thescreamonline.com, breeynn.com, _dc-mx.2d8042f6ce51.familyreunionrentals.com and two others.

Name Servers

The domain mastersprogram.us is delegated to these four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.

mastersprogram.us shares at least some of its name servers with other domains, including marisolcustodio.net, citimarine.org, lawassociates.net and two others.

These name servers are frequently seen alongside the name servers ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com and ns4.mysecurecloudhost.com.

ns1.a2hosting.com resolves to 13.248.158.180. ns2.a2hosting.com resolves to 75.2.118.134. ns3.a2hosting.com resolves to 76.223.26.245. ns4.a2hosting.com resolves to 99.83.147.209. All four hosts carry exactly one IP address.

Mail Servers

The MX record for mastersprogram.us points to a single mail server: mastersprogram.us.

mastersprogram.us has exactly one IP number: 68.66.226.92.