`masterok73.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1103^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d9c3^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.3^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.195^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eric.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c170^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eric.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2170^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eric.ns.cloudflare.com`
		A	108.162.193.112^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.112^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.112^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`liv.ns.cloudflare.com`
		A	2606:4700:50::adf5:3abc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`liv.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`liv.ns.cloudflare.com`
		A	108.162.192.188^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.188^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.188^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.17.3, 172.67.217.195
		IPv6 hints	2606:4700:3031::6815:1103, 2606:4700:3037::ac43:d9c3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=170, name=cloudflare-ech.com
SOA	`eric.ns.cloudflare.com`dns@cloudflare.com serial=2409523285

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069687

Same first word

masterok73.ru

DNS History

15 records (6 active, 9 former)

●NSeric.ns.cloudflare.com2026-06-26 → 2026-07-20 · 3 obs

○ 2018-07-27 13:43:24
● 2026-06-26 17:42:20
● 2026-07-20 21:00:40

●NSliv.ns.cloudflare.com2026-06-26 → 2026-07-20 · 3 obs

○ 2018-07-27 13:43:24
● 2026-06-26 17:42:20
● 2026-07-20 21:00:40

○NSns1.mchost.ru2015-05-08 → 2018-07-27 · 4 obs

● 2015-05-08 18:30:48
● 2018-07-27 13:43:24
○ 2026-06-26 17:42:20
○ 2026-07-20 21:00:40

○NSns2.mchost.ru2015-05-08 → 2018-07-27 · 4 obs

● 2015-05-08 18:30:48
● 2018-07-27 13:43:24
○ 2026-06-26 17:42:20
○ 2026-07-20 21:00:40

○NSns3.mchost.ru2015-05-08 → 2018-07-27 · 4 obs

● 2015-05-08 18:30:48
● 2018-07-27 13:43:24
○ 2026-06-26 17:42:20
○ 2026-07-20 21:00:40

○NSns4.mchost.ru2015-05-08 → 2018-07-27 · 4 obs

● 2015-05-08 18:30:48
● 2018-07-27 13:43:24
○ 2026-06-26 17:42:20
○ 2026-07-20 21:00:40

○MXmx1.masterok73.ru2015-05-08 → 2018-07-27 · 4 obs

● 2015-05-08 18:30:48
● 2018-07-27 13:43:24
○ 2026-06-26 17:42:20
○ 2026-07-20 21:00:40

○MXmx2.masterok73.ru2015-05-08 → 2018-07-27 · 4 obs

● 2015-05-08 18:30:48
● 2018-07-27 13:43:24
○ 2026-06-26 17:42:20
○ 2026-07-20 21:00:40

●A104.21.17.32026-06-26 → 2026-07-20 · 3 obs

○ 2018-07-27 13:43:24
● 2026-06-26 17:42:20
● 2026-07-20 21:00:40

●A172.67.217.1952026-06-26 → 2026-07-20 · 3 obs

○ 2018-07-27 13:43:24
● 2026-06-26 17:42:20
● 2026-07-20 21:00:40

○A178.208.83.202015-05-08 → 2015-10-25 · 4 obs

● 2015-05-08 18:30:48
● 2015-10-25 13:26:46
○ 2016-01-21 17:37:58
○ 2026-07-20 21:00:40

○A178.208.83.92016-01-21 → 2018-07-27 · 5 obs

○ 2015-10-25 13:26:46
● 2016-01-21 17:37:58
● 2018-07-27 13:43:24
○ 2026-06-26 17:42:20
○ 2026-07-20 21:00:40

●A2606:4700:3031::6815:11032026-07-01 → 2026-07-20 · 3 obs

○ 2026-06-26 17:42:20
● 2026-07-01 20:17:00
● 2026-07-20 21:00:40

○A2606:4700:3034::6815:11032026-06-26 → 2026-06-26 · 4 obs

○ 2018-07-27 13:43:24
● 2026-06-26 17:42:20
○ 2026-07-01 20:17:00
○ 2026-07-20 21:00:40

●A2606:4700:3037::ac43:d9c32026-06-26 → 2026-07-20 · 3 obs

○ 2018-07-27 13:43:24
● 2026-06-26 17:42:20
● 2026-07-20 21:00:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
masterok73.ru	liv.ns.cloudflare.com, eric.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.188

NS records: liv.ns.cloudflare.com, eric.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterok73.ru (unsigned zone)

⏱️ Timing

Total: 726ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.217.195, 104.21.17.3`
AAAA	2	`2606:4700:3031::6815:1103, 2606:4700:3037::ac43:d9c3`
NS	2	`eric.ns.cloudflare.com, liv.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eric.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

masterok73.ru has four IP addresses: 104.21.17.3, 172.67.217.195, 2606:4700:3031::6815:1103 and 2606:4700:3037::ac43:d9c3.

Additional host names — www.tier-pfleger.at, vbc.edu.au, primequantum.click and two others — share IP numbers with masterok73.ru.

Name Servers

masterok73.ru uses two name servers for its delegation: eric.ns.cloudflare.com and liv.ns.cloudflare.com.

masterok73.ru shares its name server setup with other domains, including liftservicepro.ru, sierravetspecialists.com, nfneurology.com and two others.

masterok73.ru partially shares its NS delegation with several other domains, including binkwebstudio.ru, level8.cz, htmlpreviews.com and two others.

These name servers regularly co-occur with the name servers pam.ns.cloudflare.com, ashton.ns.cloudflare.com and michael.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname eric.ns.cloudflare.com directs to 108.162.193.112, 172.64.33.112 and 173.245.59.112 along with 3 other IP addresses.

Hostname liv.ns.cloudflare.com directs to 108.162.192.188, 172.64.32.188 and 173.245.58.188 along with 3 other IP addresses.

masterok73.ru - robtex.com

masterok73.ru

ru

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`masterok73.ru`

`ru`