masterstudies.com.ar - dns.ninja

`masterstudies.com.ar`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c5dd^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:31fc^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.252^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.197.221^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dana.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a69^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c069^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2069^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dana.ns.cloudflare.com`
		A	108.162.192.105^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	172.64.32.105^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	173.245.58.105^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
NS	`jay.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jay.ns.cloudflare.com`
		A	108.162.193.123^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	172.64.33.123^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	173.245.59.123^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
MX	`mfwd.ebrandservices.com` ⭐
		A	80.92.65.53^{🇱🇺 DCLUX-AS80.92.65.0/24}
			PTR	`mfwd.ebrandservices.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.252, 172.67.197.221
		IPv6 hints	2606:4700:3031::ac43:c5dd, 2606:4700:3033::6815:31fc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`dana.ns.cloudflare.com`dns@cloudflare.com serial=2410676247

`com.ar`

	DNSSEC	⚠️ Not signed
	NS	`e.dns.ar` ⭐ ⚠️ Not in parent delegation
	NS	`a.lactld.org` ⚠️ Not in parent delegation
	NS	`c.dns.ar` ⚠️ Not in parent delegation
	NS	`d.dns.ar` ⚠️ Not in parent delegation
	NS	`f.dns.ar` ⚠️ Not in parent delegation
	TXT	`COM.AR zone generated atEpoch 1785621848localtime 2026-08-01T19:04:08-03:00GM...`
	SOA	`e.dns.ar`noc@nic.gob.ar 2026-08-01 #19

WOT: SAFE (50/100)

Same first word

DNS History

16 records (7 active, 9 former)

●NSdana.ns.cloudflare.com2026-02-15 → 2026-08-01 · 3 obs

○ 2019-03-31 07:02:48
● 2026-02-15 00:37:14
● 2026-08-01 23:11:30

●NSjay.ns.cloudflare.com2026-02-15 → 2026-08-01 · 3 obs

○ 2019-03-31 07:02:48
● 2026-02-15 00:37:14
● 2026-08-01 23:11:30

○NSns1.eurodns.com2015-07-12 → 2019-03-31 · 4 obs

● 2015-07-12 12:56:22
● 2019-03-31 07:02:48
○ 2026-02-15 00:37:14
○ 2026-08-01 23:11:30

○NSns2.eurodns.com2015-07-12 → 2019-03-31 · 4 obs

● 2015-07-12 12:56:22
● 2019-03-31 07:02:48
○ 2026-02-15 00:37:14
○ 2026-08-01 23:11:30

○NSns3.eurodns.com2015-07-12 → 2019-03-31 · 4 obs

● 2015-07-12 12:56:22
● 2019-03-31 07:02:48
○ 2026-02-15 00:37:14
○ 2026-08-01 23:11:30

○NSns4.eurodns.com2015-07-12 → 2019-03-31 · 4 obs

● 2015-07-12 12:56:22
● 2019-03-31 07:02:48
○ 2026-02-15 00:37:14
○ 2026-08-01 23:11:30

●MXmfwd.ebrandservices.com2015-07-12 → 2026-08-01 · 2 obs

● 2015-07-12 12:56:22
● 2026-08-01 23:11:30

●A104.21.49.2522026-02-15 → 2026-08-01 · 9 obs

○ 2019-03-31 07:02:48
● 2026-02-15 00:37:14
● 2026-02-23 18:04:18
○ 2026-03-29 02:05:38
● 2026-04-25 01:11:18
● 2026-05-14 20:33:58
○ 2026-05-28 03:05:06
● 2026-05-29 10:18:42
● 2026-08-01 23:11:30

●A172.67.197.2212026-02-15 → 2026-08-01 · 9 obs

○A185.12.248.1522015-07-12 → 2019-03-31 · 4 obs

● 2015-07-12 12:56:22
● 2019-03-31 07:02:48
○ 2026-02-15 00:37:14
○ 2026-08-01 23:11:30

○A188.114.96.02026-03-29 → 2026-05-28 · 7 obs

○ 2026-02-23 18:04:18
● 2026-03-29 02:05:38
○ 2026-04-25 01:11:18
○ 2026-05-14 20:33:58
● 2026-05-28 03:05:06
○ 2026-05-29 10:18:42
○ 2026-08-01 23:11:30

○A188.114.97.02026-03-29 → 2026-05-28 · 7 obs

○ 2026-02-23 18:04:18
● 2026-03-29 02:05:38
○ 2026-04-25 01:11:18
○ 2026-05-14 20:33:58
● 2026-05-28 03:05:06
○ 2026-05-29 10:18:42
○ 2026-08-01 23:11:30

●A2606:4700:3031::ac43:c5dd2026-02-15 → 2026-08-01 · 9 obs

●A2606:4700:3033::6815:31fc2026-02-15 → 2026-08-01 · 9 obs

○A2a06:98c1:3120::2026-03-29 → 2026-05-28 · 7 obs

○ 2026-02-23 18:04:18
● 2026-03-29 02:05:38
○ 2026-04-25 01:11:18
○ 2026-05-14 20:33:58
● 2026-05-28 03:05:06
○ 2026-05-29 10:18:42
○ 2026-08-01 23:11:30

○A2a06:98c1:3121::2026-03-29 → 2026-05-28 · 7 obs

○ 2026-02-23 18:04:18
● 2026-03-29 02:05:38
○ 2026-04-25 01:11:18
○ 2026-05-14 20:33:58
● 2026-05-28 03:05:06
○ 2026-05-29 10:18:42
○ 2026-08-01 23:11:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ar	c.dns.ar, d.dns.ar, e.dns.ar, f.dns.ar	-
masterstudies.com.ar	jay.ns.cloudflare.com, dana.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.105

NS records: jay.ns.cloudflare.com, dana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterstudies.com.ar (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.49.252, 172.67.197.221`
AAAA	2	`2606:4700:3033::6815:31fc, 2606:4700:3031::ac43:c5dd`
NS	2	`dana.ns.cloudflare.com, jay.ns.cloudflare.com`
MX	1	`mfwd.ebrandservices.com (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dana.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

masterstudies.com.ar resolves to four IP addresses: 104.21.49.252, 172.67.197.221, 2606:4700:3031::ac43:c5dd and 2606:4700:3033::6815:31fc.

Among the host names that share IP numbers with masterstudies.com.ar are indiangroceryonline.eu, bayviewgeneral.com, mail.teen-telefon(0x736578).net and two others.

Name Servers

Two name servers handle the delegation for masterstudies.com.ar: dana.ns.cloudflare.com and jay.ns.cloudflare.com.

masterstudies.com.ar has the same name server delegation as a number of other domains, such as mbastudies.se, phddoctorado.com, likeforlike.org and two more.

masterstudies.com.ar partially shares its NS delegation with several other domains, including gafsj.org, jinyuelantian.com, gmgai.com and two others.

The name servers jose.ns.cloudflare.com, dave.ns.cloudflare.com, todd.ns.cloudflare.com and rob.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

dana.ns.cloudflare.com resolves to 108.162.192.105, 172.64.32.105 and 173.245.58.105 among others, with 3 other IP addresses in total.

jay.ns.cloudflare.com resolves to 108.162.193.123, 172.64.33.123 and 173.245.59.123 among others, with 3 other IP addresses in total.

Mail Servers

masterstudies.com.ar routes its mail through a single mail server, mfwd.ebrandservices.com.

masterstudies.com.ar has the same mail server arrangement as a number of other domains, for example fibertex.se, myverisure.com, dbschenker.com.my and two more.

At least a portion of masterstudies.com.ar's mail servers are also used by other domains, for example dedietrich-heating.it.

mfwd.ebrandservices.com carries a single IP number, which is 80.92.65.53.