master.co - dns.ninja

`master.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:56bc^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:dfbb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.188^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.187^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mcgrory.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2caa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mcgrory.ns.cloudflare.com`
		A	108.162.195.170^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	162.159.44.170^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	172.64.35.170^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
NS	`tori.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tori.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tori.ns.cloudflare.com`
		A	108.162.192.231^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	172.64.32.231^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	173.245.58.231^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁶²⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁶⁵⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=MEK71OJRl9VUkoMoTpDLi-12qdpH8xDrdW_KEV_EEtg`
TXT	`v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.188, 172.67.223.187
		IPv6 hints	2606:4700:3030::6815:56bc, 2606:4700:3035::ac43:dfbb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=207, name=cloudflare-ech.com
SOA	`mcgrory.ns.cloudflare.com`dns@cloudflare.com serial=2405979655

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759673952

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DNS History

22 records (9 active, 13 former)

●NSmcgrory.ns.cloudflare.com2026-02-17 → 2026-06-04 · 3 obs

○ 2016-11-26 01:27:04
● 2026-02-17 18:13:42
● 2026-06-04 01:13:54

○NSns17.domaincontrol.com2015-08-04 → 2016-11-26 · 4 obs

● 2015-08-04 22:38:38
● 2016-11-26 01:27:04
○ 2026-02-17 18:13:42
○ 2026-06-04 01:13:54

○NSns18.domaincontrol.com2015-08-04 → 2016-11-26 · 4 obs

● 2015-08-04 22:38:38
● 2016-11-26 01:27:04
○ 2026-02-17 18:13:42
○ 2026-06-04 01:13:54

●NStori.ns.cloudflare.com2026-02-17 → 2026-06-04 · 3 obs

○ 2016-11-26 01:27:04
● 2026-02-17 18:13:42
● 2026-06-04 01:13:54

○MXalt1.aspmx.l.google.com2015-08-04 → 2016-11-26 · 4 obs

● 2015-08-04 22:38:38
● 2016-11-26 01:27:04
○ 2026-02-17 18:13:42
○ 2026-06-04 01:13:54

○MXalt2.aspmx.l.google.com2015-08-04 → 2016-11-26 · 4 obs

● 2015-08-04 22:38:38
● 2016-11-26 01:27:04
○ 2026-02-17 18:13:42
○ 2026-06-04 01:13:54

○MXaspmx.l.google.com2015-08-04 → 2016-11-26 · 4 obs

● 2015-08-04 22:38:38
● 2016-11-26 01:27:04
○ 2026-02-17 18:13:42
○ 2026-06-04 01:13:54

○MXaspmx2.googlemail.com2015-08-04 → 2016-11-26 · 4 obs

● 2015-08-04 22:38:38
● 2016-11-26 01:27:04
○ 2026-02-17 18:13:42
○ 2026-06-04 01:13:54

○MXaspmx3.googlemail.com2015-08-04 → 2016-11-26 · 4 obs

● 2015-08-04 22:38:38
● 2016-11-26 01:27:04
○ 2026-02-17 18:13:42
○ 2026-06-04 01:13:54

●MXroute1.mx.cloudflare.net2026-02-17 → 2026-06-04 · 3 obs

○ 2016-11-26 01:27:04
● 2026-02-17 18:13:42
● 2026-06-04 01:13:54

●MXroute2.mx.cloudflare.net2026-02-17 → 2026-06-04 · 3 obs

○ 2016-11-26 01:27:04
● 2026-02-17 18:13:42
● 2026-06-04 01:13:54

●MXroute3.mx.cloudflare.net2026-02-17 → 2026-06-04 · 3 obs

○ 2016-11-26 01:27:04
● 2026-02-17 18:13:42
● 2026-06-04 01:13:54

●A104.21.86.1882026-02-17 → 2026-06-04 · 15 obs

○ 2016-11-26 01:27:04
● 2026-02-17 18:13:42
● 2026-02-28 05:47:30
○ 2026-02-28 16:22:30
● 2026-03-03 09:04:46
● 2026-03-18 07:11:42
○ 2026-03-31 19:35:08
● 2026-04-01 06:03:22
● 2026-04-06 08:11:12
○ 2026-04-16 12:52:56
● 2026-04-25 02:12:00
● 2026-05-23 08:15:50
○ 2026-05-25 19:23:48
● 2026-05-31 06:40:40
● 2026-06-04 01:13:54

○A172.64.80.12026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-28 05:47:30
● 2026-02-28 16:22:30
○ 2026-03-03 09:04:46
○ 2026-06-04 01:13:54

●A172.67.223.1872026-02-17 → 2026-06-04 · 15 obs

○A188.114.96.02026-03-31 → 2026-05-25 · 10 obs

○ 2026-03-18 07:11:42
● 2026-03-31 19:35:08
○ 2026-04-01 06:03:22
○ 2026-04-06 08:11:12
● 2026-04-16 12:52:56
○ 2026-04-25 02:12:00
○ 2026-05-23 08:15:50
● 2026-05-25 19:23:48
○ 2026-05-31 06:40:40
○ 2026-06-04 01:13:54

○A188.114.97.02026-03-31 → 2026-05-25 · 10 obs

○A190.147.78.2502015-08-04 → 2016-11-26 · 4 obs

● 2015-08-04 22:38:38
● 2016-11-26 01:27:04
○ 2026-02-17 18:13:42
○ 2026-06-04 01:13:54

●A2606:4700:3030::6815:56bc2026-02-17 → 2026-06-04 · 12 obs

○ 2016-11-26 01:27:04
● 2026-02-17 18:13:42
● 2026-03-18 07:11:42
○ 2026-03-31 19:35:08
● 2026-04-01 06:03:22
● 2026-04-06 08:11:12
○ 2026-04-16 12:52:56
● 2026-04-25 02:12:00
● 2026-05-23 08:15:50
○ 2026-05-25 19:23:48
● 2026-05-31 06:40:40
● 2026-06-04 01:13:54

●A2606:4700:3035::ac43:dfbb2026-02-17 → 2026-06-04 · 12 obs

○A2a06:98c1:3120::2026-03-31 → 2026-05-25 · 10 obs

○A2a06:98c1:3121::2026-03-31 → 2026-05-25 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co	-
master.co	tori.ns.cloudflare.com, mcgrory.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.170

NS records: tori.ns.cloudflare.com, mcgrory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for master.co (unsigned zone)

⏱️ Timing

Total: 882ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.86.188, 172.67.223.187`
AAAA	2	`2606:4700:3030::6815:56bc, 2606:4700:3035::ac43:dfbb`
NS	2	`mcgrory.ns.cloudflare.com, tori.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 47), route2.mx.cloudflare.net (pri: 62)...`
TXT	2	`google-site-verification=MEK71OJRl9VUkoM, v=spf1 include:_spf.mx.cloudflare.net in`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mcgrory.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

With 4 IP addresses, master.co directs to 104.21.86.188, 172.67.223.187, 2606:4700:3030::6815:56bc and 2606:4700:3035::ac43:dfbb.

Among the host names that share IP numbers with master.co are yzshibang.top, webdav.okyle.dev, tercuman.com.tr and two others.

Name Servers

master.co has two authoritative name servers — mcgrory.ns.cloudflare.com and tori.ns.cloudflare.com.

master.co has the same name server delegation as a number of other domains, such as tong121.top, propositomaior.com.br, crazytimeslot-fr.com and two more.

master.co shares at least some of its name servers with other domains, including jaitchison.co.uk, 512723.com, bunkerbuster.com and two others.

These name servers are frequently paired with the name servers eve.ns.cloudflare.com, karl.ns.cloudflare.com and molly.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

mcgrory.ns.cloudflare.com points to 108.162.195.170, 162.159.44.170, 172.64.35.170 and three other IP addresses.

tori.ns.cloudflare.com points to 108.162.192.231, 172.64.32.231, 173.245.58.231 and three other IP addresses.

Mail Servers

master.co is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

master.co shares at least some of its mail servers with other domains — for example globalhfa.com, serendipitycoop.com, ck3.org and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and three other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and three other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and three other IP addresses.