`mdbd.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:c3fb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1514^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.20^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.251^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jakub.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c355^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jakub.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2355^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jakub.ns.cloudflare.com`
		A	108.162.195.85^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	162.159.44.85^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	172.64.35.85^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
NS	`laila.ns.cloudflare.com`
		A	2606:4700:50::a29f:267a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laila.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laila.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laila.ns.cloudflare.com`
		A	108.162.194.122^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laila.ns.cloudflare.com`
		A	162.159.38.122^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laila.ns.cloudflare.com`
		A	172.64.34.122^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laila.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.20, 172.67.195.251
		IPv6 hints	2606:4700:3034::ac43:c3fb, 2606:4700:3035::6815:1514
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com
SOA	`jakub.ns.cloudflare.com`dns@cloudflare.com serial=2407009626

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035094077

Same first word

mdbd.cn

mdbd.com

Similar names

dmdb.co

ddmb.com

mbdd.com

mbdd.net

mbdd.de

mddb.nl

bdmd.cn

mbdd.org

bmdd.ru

bmdd.de

dbdm.cn

ddmb.de

dbdm.com

bmdd.com.cn

bmdd.com

dmbd.ren

bmdd.dk

bmdd.org

dmbd.space

mbdd.co.za

dmdb.de

bdmd.com.au

mddb.de

mddb.com

ddbm.de

bddm.top

ddmb.dev

dmdb.fr

ddmb.io

bmdd.cn

ddmb.org

ddbm.nl

bdmd.com

dbdm.org

dmdb.nl

bdmd.org

dbdm.ru

dbmd.net

dmdb.org

bdmd.de

ddbm.be

mbdd.cn

ddmb.cz

bddm.ca

dbmd.de

dmdb.com

ddbm.org

dmbd.de

mddb.org

ddbm.ru

dmdb.dk

ddmb.au

bmdd.biz

mddb.ru

dbdm.de

bddm.de

dmdb.net

bddm.org

DNS History

14 records (6 active, 8 former)

●NSjakub.ns.cloudflare.com2026-07-17 → 2026-07-26 · 3 obs

○ 2016-12-12 06:19:38
● 2026-07-17 23:52:38
● 2026-07-26 21:54:56

●NSlaila.ns.cloudflare.com2026-07-17 → 2026-07-26 · 3 obs

○ 2016-12-12 06:19:38
● 2026-07-17 23:52:38
● 2026-07-26 21:54:56

○NSns1.ezdnscenter.com2015-07-09 → 2016-12-12 · 4 obs

● 2015-07-09 23:09:16
● 2016-12-12 06:19:38
○ 2026-07-17 23:52:38
○ 2026-07-26 21:54:56

○NSns2.ezdnscenter.com2015-07-09 → 2016-12-12 · 4 obs

● 2015-07-09 23:09:16
● 2016-12-12 06:19:38
○ 2026-07-17 23:52:38
○ 2026-07-26 21:54:56

○NSns3.ezdnscenter.com2015-07-09 → 2016-12-12 · 4 obs

● 2015-07-09 23:09:16
● 2016-12-12 06:19:38
○ 2026-07-17 23:52:38
○ 2026-07-26 21:54:56

○NSns4.ezdnscenter.com2015-07-09 → 2016-12-12 · 4 obs

● 2015-07-09 23:09:16
● 2016-12-12 06:19:38
○ 2026-07-17 23:52:38
○ 2026-07-26 21:54:56

○NSns5.ezdnscenter.com2015-07-09 → 2016-12-12 · 4 obs

● 2015-07-09 23:09:16
● 2016-12-12 06:19:38
○ 2026-07-17 23:52:38
○ 2026-07-26 21:54:56

○NSns6.ezdnscenter.com2015-07-09 → 2016-12-12 · 4 obs

● 2015-07-09 23:09:16
● 2016-12-12 06:19:38
○ 2026-07-17 23:52:38
○ 2026-07-26 21:54:56

●A104.21.21.202026-07-17 → 2026-07-26 · 3 obs

○ 2016-12-12 06:19:38
● 2026-07-17 23:52:38
● 2026-07-26 21:54:56

○A127.0.0.12016-10-03 → 2016-10-03 · 4 obs

○ 2016-08-30 04:13:32
● 2016-10-03 08:44:12
○ 2016-12-12 06:19:38
○ 2026-07-26 21:54:56

●A172.67.195.2512026-07-17 → 2026-07-26 · 3 obs

○ 2016-12-12 06:19:38
● 2026-07-17 23:52:38
● 2026-07-26 21:54:56

●A2606:4700:3034::ac43:c3fb2026-07-17 → 2026-07-26 · 3 obs

○ 2016-12-12 06:19:38
● 2026-07-17 23:52:38
● 2026-07-26 21:54:56

●A2606:4700:3035::6815:15142026-07-17 → 2026-07-26 · 3 obs

○ 2016-12-12 06:19:38
● 2026-07-17 23:52:38
● 2026-07-26 21:54:56

○A59.188.255.2432015-07-09 → 2016-12-12 · 6 obs

● 2015-07-09 23:09:16
● 2016-08-30 04:13:32
○ 2016-10-03 08:44:12
● 2016-12-12 06:19:38
○ 2026-07-17 23:52:38
○ 2026-07-26 21:54:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
mdbd.cn	jakub.ns.cloudflare.com, laila.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.85

NS records: jakub.ns.cloudflare.com, laila.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdbd.cn (unsigned zone)

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.21.20, 172.67.195.251`
AAAA	2	`2606:4700:3034::ac43:c3fb, 2606:4700:3035::6815:1514`
NS	2	`jakub.ns.cloudflare.com, laila.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jakub.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

mdbd.cn directs to four IP numbers, which are 104.21.21.20, 172.67.195.251, 2606:4700:3034::ac43:c3fb and 2606:4700:3035::6815:1514.

Among the host names that share IP numbers with mdbd.cn are spider-apps.com, rsfur.com, pifu020.com and two others.

Name Servers

mdbd.cn has two authoritative name servers — jakub.ns.cloudflare.com and laila.ns.cloudflare.com.

mdbd.cn has the same name server delegation as a number of other domains, such as vapr.cn, wnii.cn, whhmy.cn and two more.

There is at least partial name server overlap between mdbd.cn and other domains — pki.com.br, pgpkecserpongutara.org, oneprog.ru and two more among them.

These name servers are routinely deployed together with the name servers hattie.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

jakub.ns.cloudflare.com points to 108.162.195.85, 162.159.44.85, 172.64.35.85 and 3 other IP addresses.

laila.ns.cloudflare.com points to 108.162.194.122, 162.159.38.122, 172.64.34.122 and 3 other IP addresses.

mdbd.cn - robtex.com

mdbd.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`mdbd.cn`

`cn`