mastergroupsas.com - dns.ninja

`mastergroupsas.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:20a6^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9911^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.166^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.17^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jason.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jason.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jason.ns.cloudflare.com`
		A	108.162.193.179^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	172.64.33.179^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	173.245.59.179^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
NS	`mona.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ace^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mona.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mona.ns.cloudflare.com`
		A	108.162.192.206^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	172.64.32.206^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	173.245.58.206^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c06::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f26.1e100.net`
		A	74.125.137.27^{🇺🇸 Google74.125.137.0/24}
			PTR	`dy-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2803::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausr-in-f27.1e100.net`
		A	172.217.216.27^{🇺🇸 Google172.217.0.0/16}
			PTR	`lcausr-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4001:c79::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbfwv-in-f26.1e100.net`
		A	173.194.42.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yucbfwv-in-f27.1e100.net`
TXT	`google-site-verification=thxeTsdv1zdTFYGUB89BbByO9KdpTUiHKSjKFigqJ_I`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.166, 172.67.153.17
		IPv6 hints	2606:4700:3036::6815:20a6, 2606:4700:3037::ac43:9911
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=182, name=cloudflare-ech.com
SOA	`jason.ns.cloudflare.com`dns@cloudflare.com serial=2406883523

`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=1782461605

Same first word

mastergroupsas.com

DNS History

29 records (11 active, 18 former)

○NSdns.technorail.com2015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○NSdns2.technorail.com2015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○NSdns3.arubadns.net2015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○NSdns4.arubadns.cz2015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

●NSjason.ns.cloudflare.com2026-02-18 → 2026-06-26 · 3 obs

○ 2019-02-20 10:42:54
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

●NSmona.ns.cloudflare.com2026-02-18 → 2026-06-26 · 3 obs

○ 2019-02-20 10:42:54
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

○NSns67.domaincontrol.com2019-02-20 → 2019-02-20 · 4 obs

○ 2017-02-06 19:05:56
● 2019-02-20 10:42:54
○ 2026-02-18 18:34:02
○ 2026-06-26 08:18:10

○NSns68.domaincontrol.com2019-02-20 → 2019-02-20 · 4 obs

○ 2017-02-06 19:05:56
● 2019-02-20 10:42:54
○ 2026-02-18 18:34:02
○ 2026-06-26 08:18:10

●MXalt1.aspmx.l.google.com2026-02-18 → 2026-06-26 · 3 obs

○ 2017-02-06 19:05:56
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

●MXalt2.aspmx.l.google.com2026-02-18 → 2026-06-26 · 3 obs

○ 2017-02-06 19:05:56
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

●MXalt3.aspmx.l.google.com2026-02-18 → 2026-06-26 · 3 obs

○ 2017-02-06 19:05:56
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

●MXalt4.aspmx.l.google.com2026-02-18 → 2026-06-26 · 3 obs

○ 2017-02-06 19:05:56
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

●MXaspmx.l.google.com2026-02-18 → 2026-06-26 · 3 obs

○ 2017-02-06 19:05:56
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

○MXmx.mastergroupsas.com2015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

●A104.21.32.1662026-02-18 → 2026-06-26 · 3 obs

○ 2019-02-20 10:42:54
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

●A172.67.153.172026-02-18 → 2026-06-26 · 3 obs

○ 2019-02-20 10:42:54
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

○A184.168.131.2332019-02-20 → 2019-02-20 · 4 obs

○ 2017-02-06 19:05:56
● 2019-02-20 10:42:54
○ 2026-02-18 18:34:02
○ 2026-06-26 08:18:10

○A198.71.248.672019-02-20 → 2019-02-20 · 4 obs

○ 2017-02-06 19:05:56
● 2019-02-20 10:42:54
○ 2026-02-18 18:34:02
○ 2026-06-26 08:18:10

○A2606:4700:3035::ac43:99112026-02-18 → 2026-02-18 · 3 obs

○ 2019-02-20 10:42:54
● 2026-02-18 18:34:02
○ 2026-06-26 08:18:10

●A2606:4700:3036::6815:20a62026-02-18 → 2026-06-26 · 3 obs

○ 2019-02-20 10:42:54
● 2026-02-18 18:34:02
● 2026-06-26 08:18:10

●A2606:4700:3037::ac43:99112026-06-26 → 2026-06-26 · 2 obs

○ 2026-02-18 18:34:02
● 2026-06-26 08:18:10

○A62.149.128.1512015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○A62.149.128.1542015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○A62.149.128.1572015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○A62.149.128.1602015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○A62.149.128.1632015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○A62.149.128.1662015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○A62.149.128.722015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

○A62.149.128.742015-11-27 → 2016-06-24 · 4 obs

● 2015-11-27 15:45:30
● 2016-06-24 23:34:12
○ 2017-02-06 19:05:56
○ 2026-06-26 08:18:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mastergroupsas.com	jason.ns.cloudflare.com, mona.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.179

NS records: jason.ns.cloudflare.com, mona.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastergroupsas.com (unsigned zone)

⏱️ Timing

Total: 250ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.153.17, 104.21.32.166`
AAAA	2	`2606:4700:3036::6815:20a6, 2606:4700:3037::ac43:9911`
NS	2	`jason.ns.cloudflare.com, mona.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=thxeTsdv1zdTFYG, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jason.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mastergroupsas.com has four IP addresses: 104.21.32.166, 172.67.153.17, 2606:4700:3036::6815:20a6 and 2606:4700:3037::ac43:9911.

Among the host names that share IP numbers with mastergroupsas.com are www.open-access-biology.com, nmlucky.xyz, dicavalieri.com and two others.

Name Servers

mastergroupsas.com is served by two delegated name servers, jason.ns.cloudflare.com and mona.ns.cloudflare.com.

mastergroupsas.com has the same name server delegation as a number of other domains, such as nexusmods.ru, evakw.com, digitarjeta.co and two more.

mastergroupsas.com has at least partial name server overlap with other domains, such as ab390.com, vipbnz99.xyz, cloudblock101.pics and two others.

These name servers are routinely co-deployed with the name servers magdalena.ns.cloudflare.com, teresa.ns.cloudflare.com, liz.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

jason.ns.cloudflare.com carries IP addresses 108.162.193.179, 172.64.33.179 and 173.245.59.179, with 3 other addresses beyond those.

mona.ns.cloudflare.com carries IP addresses 108.162.192.206, 172.64.32.206 and 173.245.58.206, with 3 other addresses beyond those.

Mail Servers

Mail for mastergroupsas.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

mastergroupsas.com shares at least some of its mail servers with other domains — for example ns500742.ns500754.ns500671.ns500731.ns500754.ns500688.ns500704.ns500678.ns500291.ns500671.ns500671.ns500666.tenderladiesbz.com, ns500768.ns500698.ns500735.ns500735.ns500736.ns500698.ns500735.ns500698.ns500576.ns500576.ns500698.ns500698.ns500576.ns500619.ns500619.trackreceptor.com, ns500731.ns500671.ns500731.ns500742.ns500704.ns500704.ns500671.ns500649.ns500671.ns500671.ns500666.ns500153.tenderladiesbz.com and two more.

It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com maps to two IP addresses — 74.125.137.27 and 2607:f8b0:4023:c06::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 172.217.216.27 and 2607:f8b0:4023:2803::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.145.27 and 2607:f8b0:4023:3003::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 172.253.135.27 and 2607:f8b0:4023:1015::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 173.194.42.27 and 2607:f8b0:4001:c79::1a.