mastercheckapp.com - dns.ninja

`mastercheckapp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:a340^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2951^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.81^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.64^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dilbert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dilbert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dilbert.ns.cloudflare.com`
		A	108.162.193.155^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	172.64.33.155^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	173.245.59.155^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
NS	`raegan.ns.cloudflare.com`
		A	2606:4700:50::a29f:269e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`raegan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`raegan.ns.cloudflare.com`
		A	108.162.194.158^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	162.159.38.158^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	172.64.34.158^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
MX	`mastercheckapp-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::2^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
		A	52.101.190.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.190.3^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
		A	52.101.192.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
MX	`inbound-smtp.us-west-2.amazonaws.com`⁽¹⁰⁾
		A	35.161.157.106^{🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix}
			PTR	`ec2-35-161-157-106.us-west-2.compute.amazonaws.com`
		A	52.13.163.116^{🇺🇸 Amazon52.12.0.0/15 EC2 PDX prefix}
			PTR	`ec2-52-13-163-116.us-west-2.compute.amazonaws.com`
		A	52.43.162.244^{🇺🇸 Amazon52.40.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-43-162-244.us-west-2.compute.amazonaws.com`
		A	54.188.121.70^{🇺🇸 Amazon54.188.0.0/15 EC2 PDX prefix}
			PTR	`ec2-54-188-121-70.us-west-2.compute.amazonaws.com`
TXT	`MS=ms18406109`
TXT	`google-site-verification=FEKLjE2vMZD6MHa3O3jA9UpBIcOG9zzch3Vl5BONojk`
TXT	`google-site-verification=KI7ZM0r7ibZWWO_762dPILpcsOjJrfg-_CgybIz_XYo`
TXT	`v=spf1 a include:spf.protection.outlook.com include:spf.mandrillapp.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.81, 172.67.163.64
		IPv6 hints	2606:4700:3034::ac43:a340, 2606:4700:3035::6815:2951
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com
SOA	`dilbert.ns.cloudflare.com`dns@cloudflare.com serial=2410655627

`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=1785492277

Same first word

mastercheckapp.com

DNS History

15 records (8 active, 7 former)

●NSdilbert.ns.cloudflare.com2026-02-17 → 2026-07-31 · 3 obs

○ 2019-12-16 05:21:28
● 2026-02-17 02:43:32
● 2026-07-31 10:11:42

○NSjeremy.ns.cloudflare.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:21:28
○ 2026-02-17 02:43:32
○ 2026-07-31 10:11:42

○NSmaria.ns.cloudflare.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:21:28
○ 2026-02-17 02:43:32
○ 2026-07-31 10:11:42

●NSraegan.ns.cloudflare.com2026-02-17 → 2026-07-31 · 3 obs

○ 2019-12-16 05:21:28
● 2026-02-17 02:43:32
● 2026-07-31 10:11:42

●MXinbound-smtp.us-west-2.amazonaws.com2026-02-17 → 2026-07-31 · 3 obs

○ 2019-12-16 05:21:28
● 2026-02-17 02:43:32
● 2026-07-31 10:11:42

●MXmastercheckapp-com.mail.protection.outlook.com2019-12-16 → 2026-07-31 · 2 obs

● 2019-12-16 05:21:28
● 2026-07-31 10:11:42

●A104.21.41.812026-02-17 → 2026-07-31 · 3 obs

○ 2019-12-16 05:21:28
● 2026-02-17 02:43:32
● 2026-07-31 10:11:42

○A104.31.68.1802019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:21:28
○ 2026-02-17 02:43:32
○ 2026-07-31 10:11:42

○A104.31.69.1802019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:21:28
○ 2026-02-17 02:43:32
○ 2026-07-31 10:11:42

●A172.67.163.642026-02-17 → 2026-07-31 · 3 obs

○ 2019-12-16 05:21:28
● 2026-02-17 02:43:32
● 2026-07-31 10:11:42

○A2606:4700:30::681f:44b42019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:21:28
○ 2026-02-17 02:43:32
○ 2026-07-31 10:11:42

○A2606:4700:30::681f:45b42019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:21:28
○ 2026-02-17 02:43:32
○ 2026-07-31 10:11:42

●A2606:4700:3034::ac43:a3402026-06-20 → 2026-07-31 · 3 obs

○ 2026-06-17 02:34:22
● 2026-06-20 20:14:20
● 2026-07-31 10:11:42

●A2606:4700:3035::6815:29512026-02-17 → 2026-07-31 · 3 obs

○ 2019-12-16 05:21:28
● 2026-02-17 02:43:32
● 2026-07-31 10:11:42

○A2606:4700:3035::ac43:a3402026-02-17 → 2026-06-17 · 5 obs

○ 2019-12-16 05:21:28
● 2026-02-17 02:43:32
● 2026-06-17 02:34:22
○ 2026-06-20 20:14:20
○ 2026-07-31 10:11:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
mastercheckapp.com	dilbert.ns.cloudflare.com, raegan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.158

NS records: dilbert.ns.cloudflare.com, raegan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastercheckapp.com (unsigned zone)

⏱️ Timing

Total: 143ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.81, 172.67.163.64`
AAAA	2	`2606:4700:3035::6815:2951, 2606:4700:3034::ac43:a340`
NS	2	`dilbert.ns.cloudflare.com, raegan.ns.cloudflare.com`
MX	2	`mastercheckapp-com.mail.protection.outlo, inbound-smtp.us-west-2.amazonaws.com (pr`
TXT	4	`MS=ms18406109, google-site-verification=FEKLjE2vMZD6MHa...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dilbert.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dilbert.ns.cloudflare.com, dilbert.ns.cloudflare.com, dilbert.ns.cloudflare.com...)

Analysis

IP Addresses

mastercheckapp.com has four IP addresses: 104.21.41.81, 172.67.163.64, 2606:4700:3034::ac43:a340 and 2606:4700:3035::6815:2951.

Two other host names, along with apaasparts.com, www.mandrytechnology.com and filovesk.click, also share IP numbers with mastercheckapp.com.

Name Servers

Two name servers handle the delegation for mastercheckapp.com: dilbert.ns.cloudflare.com and raegan.ns.cloudflare.com.

mastercheckapp.com shares its NS records with other domains, for example tabners.com, minings-ai.com, ipapi.info and two others.

mastercheckapp.com partially shares its NS delegation with several other domains, including eczacinacidogan.com, bitgetsupporthelp.com, mrfilin.com and two others.

These name servers often co-occur with the name servers jaziel.ns.cloudflare.com.

DNS names with 6 IP addresses:

dilbert.ns.cloudflare.com resolves to 108.162.193.155, 172.64.33.155 and 173.245.59.155 among others, with 3 other IP addresses in total.

raegan.ns.cloudflare.com resolves to 108.162.194.158, 162.159.38.158 and 172.64.34.158 among others, with 3 other IP addresses in total.

Mail Servers

mastercheckapp.com is served by two mail servers, inbound-smtp.us-west-2.amazonaws.com and mastercheckapp-com.mail.protection.outlook.com.

There is at least a partial MX overlap between mastercheckapp.com and other domains, including beontra.atlassian.net, weebum.jp, 7h12.com and two others.

These mail servers often co-occur with the mail servers inbound-smtp.us-east-1.amazonaws.com.

DNS names with 8 IP addresses:

mastercheckapp-com.mail.protection.outlook.com resolves to 52.101.190.0, 52.101.190.1 and 52.101.190.3 among others, with 5 other IP addresses in total.

Host names that resolve to four IP numbers:

inbound-smtp.us-west-2.amazonaws.com maps to the following IP addresses: 35.161.157.106, 52.13.163.116, 52.43.162.244 and 54.188.121.70.