`mdrtchina.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:21f9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:980d^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.249^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.13^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alexia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26af^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alexia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alexia.ns.cloudflare.com`
		A	108.162.194.175^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexia.ns.cloudflare.com`
		A	162.159.38.175^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexia.ns.cloudflare.com`
		A	172.64.34.175^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexia.ns.cloudflare.com`
NS	`brady.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brady.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brady.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brady.ns.cloudflare.com`
		A	108.162.195.215^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brady.ns.cloudflare.com`
		A	162.159.44.215^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brady.ns.cloudflare.com`
		A	172.64.35.215^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brady.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.33.249, 172.67.152.13
		IPv6 hints	2606:4700:3033::6815:21f9, 2606:4700:3033::ac43:980d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOA	`alexia.ns.cloudflare.com`dns@cloudflare.com serial=2398991093

`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=1775975732

Subdomains

hz.mdrtchina.com

dw.mdrtchina.com

Same first word

mdrtchina.com

Similar names

nridmatch.pro

drmatchin.com

DNS History

16 records (6 active, 10 former)

○NSa.dnspod.com2018-11-19 → 2018-11-19 · 4 obs

○ 2016-07-11 11:48:24
● 2018-11-19 09:29:48
○ 2018-11-20 13:54:32
○ 2026-04-12 06:56:02

●NSalexia.ns.cloudflare.com2026-03-31 → 2026-04-12 · 3 obs

○ 2018-12-21 02:28:40
● 2026-03-31 04:59:18
● 2026-04-12 06:56:02

○NSb.dnspod.com2018-11-19 → 2018-11-19 · 4 obs

○ 2016-07-11 11:48:24
● 2018-11-19 09:29:48
○ 2018-11-20 13:54:32
○ 2026-04-12 06:56:02

●NSbrady.ns.cloudflare.com2026-03-31 → 2026-04-12 · 3 obs

○ 2018-12-21 02:28:40
● 2026-03-31 04:59:18
● 2026-04-12 06:56:02

○NSc.dnspod.com2018-11-19 → 2018-11-19 · 4 obs

○ 2016-07-11 11:48:24
● 2018-11-19 09:29:48
○ 2018-11-20 13:54:32
○ 2026-04-12 06:56:02

○NSjm1.dns.com2018-11-20 → 2018-12-21 · 5 obs

○ 2018-11-19 09:29:48
● 2018-11-20 13:54:32
● 2018-12-21 02:28:40
○ 2026-03-31 04:59:18
○ 2026-04-12 06:56:02

○NSjm2.dns.com2018-11-20 → 2018-12-21 · 5 obs

○ 2018-11-19 09:29:48
● 2018-11-20 13:54:32
● 2018-12-21 02:28:40
○ 2026-03-31 04:59:18
○ 2026-04-12 06:56:02

○NSns1.dns.com.cn2015-05-21 → 2016-07-11 · 4 obs

● 2015-05-21 16:08:58
● 2016-07-11 11:48:24
○ 2018-11-19 09:29:48
○ 2026-04-12 06:56:02

○NSns2.dns.com.cn2015-05-21 → 2016-07-11 · 4 obs

● 2015-05-21 16:08:58
● 2016-07-11 11:48:24
○ 2018-11-19 09:29:48
○ 2026-04-12 06:56:02

○A103.233.249.2122015-05-21 → 2017-01-06 · 4 obs

● 2015-05-21 16:08:58
● 2017-01-06 06:34:54
○ 2018-11-19 09:29:48
○ 2026-04-12 06:56:02

●A104.21.33.2492026-03-31 → 2026-04-12 · 3 obs

○ 2018-12-21 02:28:40
● 2026-03-31 04:59:18
● 2026-04-12 06:56:02

○A156.232.247.1042018-11-19 → 2018-11-19 · 4 obs

○ 2017-01-06 06:34:54
● 2018-11-19 09:29:48
○ 2018-11-20 13:54:32
○ 2026-04-12 06:56:02

●A172.67.152.132026-03-31 → 2026-04-12 · 3 obs

○ 2018-12-21 02:28:40
● 2026-03-31 04:59:18
● 2026-04-12 06:56:02

●A2606:4700:3033::6815:21f92026-03-31 → 2026-04-12 · 3 obs

○ 2018-12-21 02:28:40
● 2026-03-31 04:59:18
● 2026-04-12 06:56:02

●A2606:4700:3033::ac43:980d2026-03-31 → 2026-04-12 · 3 obs

○ 2018-12-21 02:28:40
● 2026-03-31 04:59:18
● 2026-04-12 06:56:02

○A45.203.83.2052018-11-20 → 2018-12-21 · 5 obs

○ 2018-11-19 09:29:48
● 2018-11-20 13:54:32
● 2018-12-21 02:28:40
○ 2026-03-31 04:59:18
○ 2026-04-12 06:56:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mdrtchina.com	alexia.ns.cloudflare.com, brady.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.175

NS records: alexia.ns.cloudflare.com, brady.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdrtchina.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.33.249, 172.67.152.13`
AAAA	2	`2606:4700:3033::ac43:980d, 2606:4700:3033::6815:21f9`
NS	2	`alexia.ns.cloudflare.com, brady.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alexia.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mdrtchina.com is a parent of hz.mdrtchina.com and dw.mdrtchina.com.

IP Addresses

mdrtchina.com refers to four IP numbers: 2606:4700:3033::6815:21f9, 2606:4700:3033::ac43:980d, 104.21.33.249 and 172.67.152.13.

Other host names, for instance www.waterworkshealth.com, promo.pinupfiles.com, www.lifeomaha.com, ytf.eu and as-edu.com share IP numbers with mdrtchina.com.

Name Servers

mdrtchina.com's delegation uses two name servers: alexia.ns.cloudflare.com and brady.ns.cloudflare.com.

mdrtchina.com uses the same name server setup as other domains, such as zhkj.cc, taishanyuqi.com, haochonghai.net, fa-e-da.com and sd-st.com.

mdrtchina.com at least partially shares name servers with other domains, including igcs-chennai.org, fastchairs.com, ispbv.nl, easypairing.com and akhbaraljazair.com.

These name servers are commonly used together with the name servers plato.ns.cloudflare.com, garret.ns.cloudflare.com, lilyana.ns.cloudflare.com and yahir.ns.cloudflare.com.

Host names with six IP numbers:

alexia.ns.cloudflare.com points to 2606:4700:50::a29f:26af, 2803:f800:50::6ca2:c2af, 2a06:98c1:50::ac40:22af, 108.162.194.175, 162.159.38.175 and 172.64.34.175.

brady.ns.cloudflare.com points to 2606:4700:58::a29f:2cd7, 2803:f800:50::6ca2:c3d7, 2a06:98c1:50::ac40:23d7, 108.162.195.215, 162.159.44.215 and 172.64.35.215.

mdrtchina.com - robtex.com

mdrtchina.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`mdrtchina.com`

`com`