mastercko.com - dns.ninja

`mastercko.com`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3035::ac43:c835^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3a2b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.43^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.53^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ian.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c176^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2176^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ian.ns.cloudflare.com`
		A	108.162.193.118^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	172.64.33.118^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	173.245.59.118^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
NS	`veda.ns.cloudflare.com`
		A	2606:4700:50::a29f:2693^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c293^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`veda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2293^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`veda.ns.cloudflare.com`
		A	108.162.194.147^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	162.159.38.147^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	172.64.34.147^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`_dc-mx.f9c474629982.mastercko.com`⁽²⁵⁾
		A	106.73.57.42^{🇯🇵 KDDI106.72.0.0/15}
			PTR	`m106073057042.v4.enabler.ne.jp`
TXT	`google-site-verification=x5yuNJv4LUNfAAWXkY7xnp85UYV7rJ1fK2IeMf4ug0I`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.43, 172.67.200.53
		IPv6 hints	2606:4700:3035::ac43:c835, 2606:4700:3037::6815:3a2b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=90, name=cloudflare-ech.com
SOA	`ian.ns.cloudflare.com`dns@cloudflare.com serial=2408497550

`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=1783664762

Previously MX for

mastercko.com

Same first word

mastercko.com

Similar names

DNS History

18 records (12 active, 6 former)

●NSian.ns.cloudflare.com2026-02-21 → 2026-07-10 · 3 obs

○ 2017-05-17 06:49:22
● 2026-02-21 17:23:30
● 2026-07-10 06:32:12

○NSns8195.hostgator.com2015-07-06 → 2017-05-17 · 4 obs

● 2015-07-06 11:35:14
● 2017-05-17 06:49:22
○ 2026-02-21 17:23:30
○ 2026-07-10 06:32:12

○NSns8196.hostgator.com2015-07-06 → 2017-05-17 · 4 obs

● 2015-07-06 11:35:14
● 2017-05-17 06:49:22
○ 2026-02-21 17:23:30
○ 2026-07-10 06:32:12

●NSveda.ns.cloudflare.com2026-02-21 → 2026-07-10 · 3 obs

○ 2017-05-17 06:49:22
● 2026-02-21 17:23:30
● 2026-07-10 06:32:12

●MX_dc-mx.f9c474629982.mastercko.com2026-02-21 → 2026-07-10 · 3 obs

○ 2017-05-17 06:49:22
● 2026-02-21 17:23:30
● 2026-07-10 06:32:12

●MXalt1.aspmx.l.google.com2015-07-06 → 2026-07-10 · 2 obs

● 2015-07-06 11:35:14
● 2026-07-10 06:32:12

●MXalt2.aspmx.l.google.com2015-07-06 → 2026-07-10 · 2 obs

● 2015-07-06 11:35:14
● 2026-07-10 06:32:12

●MXaspmx.l.google.com2015-07-06 → 2026-07-10 · 2 obs

● 2015-07-06 11:35:14
● 2026-07-10 06:32:12

●MXaspmx2.googlemail.com2015-07-06 → 2026-07-10 · 2 obs

● 2015-07-06 11:35:14
● 2026-07-10 06:32:12

●MXaspmx3.googlemail.com2015-07-06 → 2026-07-10 · 2 obs

● 2015-07-06 11:35:14
● 2026-07-10 06:32:12

○MXmastercko.com2015-07-06 → 2017-05-17 · 4 obs

● 2015-07-06 11:35:14
● 2017-05-17 06:49:22
○ 2026-02-21 17:23:30
○ 2026-07-10 06:32:12

●A104.21.58.432026-02-21 → 2026-07-10 · 3 obs

○ 2017-05-17 06:49:22
● 2026-02-21 17:23:30
● 2026-07-10 06:32:12

●A172.67.200.532026-02-21 → 2026-07-10 · 3 obs

○ 2017-05-17 06:49:22
● 2026-02-21 17:23:30
● 2026-07-10 06:32:12

○A192.185.39.2522015-07-06 → 2017-05-17 · 4 obs

● 2015-07-06 11:35:14
● 2017-05-17 06:49:22
○ 2026-02-21 17:23:30
○ 2026-07-10 06:32:12

○A2606:4700:3031::ac43:c8352026-02-21 → 2026-02-21 · 4 obs

○ 2017-05-17 06:49:22
● 2026-02-21 17:23:30
○ 2026-07-05 01:55:58
○ 2026-07-10 06:32:12

○A2606:4700:3033::6815:3a2b2026-02-21 → 2026-02-21 · 4 obs

○ 2017-05-17 06:49:22
● 2026-02-21 17:23:30
○ 2026-07-05 01:55:58
○ 2026-07-10 06:32:12

●A2606:4700:3035::ac43:c8352026-07-05 → 2026-07-10 · 3 obs

○ 2026-02-21 17:23:30
● 2026-07-05 01:55:58
● 2026-07-10 06:32:12

●A2606:4700:3037::6815:3a2b2026-07-05 → 2026-07-10 · 3 obs

○ 2026-02-21 17:23:30
● 2026-07-05 01:55:58
● 2026-07-10 06:32:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net...	-
mastercko.com	ian.ns.cloudflare.com, veda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.118

NS records: ian.ns.cloudflare.com, veda.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 382ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.43, 172.67.200.53`
AAAA	2	`2606:4700:3037::6815:3a2b, 2606:4700:3035::ac43:c835`
NS	2	`ian.ns.cloudflare.com, veda.ns.cloudflare.com`
MX	6	`aspmx.l.google.com (pri: 0), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`google-site-verification=x5yuNJv4LUNfAAW, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ian.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mastercko.com directs to four IP numbers, which are 104.21.58.43, 172.67.200.53, 2606:4700:3035::ac43:c835 and 2606:4700:3037::6815:3a2b.

ccacademyva.com, aquadroom-wellness.be, rayds.co.in and two other host names share IP numbers with mastercko.com.

Name Servers

mastercko.com is delegated to two name servers: ian.ns.cloudflare.com and veda.ns.cloudflare.com.

mastercko.com uses the same name servers as several other domains — among them adaptableinnovations.com, truelifeimateacher.com, phones-more.com and two more.

There is at least partial name server overlap between mastercko.com and other domains — sveta.me, qlnp-adguard.pro, 2-aces.eu and two more among them.

These name servers tend to appear in combination with the name servers lily.ns.cloudflare.com, ganz.ns.cloudflare.com, meera.ns.cloudflare.com and adele.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ian.ns.cloudflare.com resolves to 108.162.193.118, 172.64.33.118, 173.245.59.118 and 3 other IP addresses.

veda.ns.cloudflare.com resolves to 108.162.194.147, 162.159.38.147, 172.64.34.147 and 3 other IP addresses.

Mail Servers

mastercko.com accepts email via 6 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and 3 other.

mastercko.com has at least partial mail server overlap with other domains such as pacom1.com, tennis4everyone.gr, fortyweeks.com and two more.

These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com points to 64.233.180.27 and 2607:f8b0:4004:c25::1a.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

Hosts with just one IP address:

_dc-mx.f9c474629982.mastercko.com points to 106.73.57.42.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1a IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.27 IP addresses.