`blrt.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1e36^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:969b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.30.54^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.155^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bart.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b47^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c147^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bart.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2147^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bart.ns.cloudflare.com`
		A	108.162.193.71^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	172.64.33.71^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	173.245.59.71^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
NS	`maria.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maria.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maria.ns.cloudflare.com`
		A	108.162.192.192^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	172.64.32.192^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	173.245.58.192^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.30.54, 172.67.150.155
		IPv6 hints	2606:4700:3034::6815:1e36, 2606:4700:3035::ac43:969b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=216, name=cloudflare-ech.com
SOA	`bart.ns.cloudflare.com`dns@cloudflare.com serial=2398589250

`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=2034626538

Previously NS for

blrt.cn

Same first word

blrt.me

blrt.nl

blrt.ru

blrt.ee

blrt.tv

blrt.cn

blrt.eu

blrt.com

Similar names

lbrt.co.jp

ltrb.cn

lbtr.org

btrl.cc

rtbl.de

btrl.md

brtl.com.br

btlr.co

rtlb.org

rtlb.com

brlt.de

rbtl.org

trbl.us

ltbr.com

tbrl.fr

trlb.org

rtlb.net

btlr.nl

trbl.net

trbl.co.uk

trbl.cz

rtbl.be

brtl.de

tbrl.de

btrl.net

lrbt.ru

rtlb.cn

lrbt.org.pk

btlr.io

bltr.ru

btlr.de

bltr.de

ltbr.be

tlbr.com

trbl.design

trbl.co

trlb.com

brtl.net

rlbt.dk

btlr.com

btrl.org

tlbr.ru

brlt.ru

btlr.org

brtl.eu

ltbr.de

btlr.jp

rbtl.ru

rblt.de

trlb.de

btrl.eu

lbrt.me.uk

rlbt.com

trbl.org

lbrt.cn

btrl.cn

btlr.dev

lbtr.io

rtbl.com

tblr.pl

rtlb.ru

tbrl.com

brtl.nl

trbl.com

btrl.ro

trbl.io

rbtl.de

brlt.cn

tblr.cn

rblt.cn

ltbr.cn

rbtl.net

btrl.com

rbtl.eu

ltbr.kr

ltbr.com.br

brlt.org

rbtl.com

rbtl.co.uk

rltb.com

lbtr.net

btlr.co.uk

rbtl.nl

rltb.org.nz

rblt.com

btrl.jp

lrbt.com

lbrt.dk

bltr.cn

rbtl.it

btrl.de

DNS History

19 records (6 active, 13 former)

●NSbart.ns.cloudflare.com2026-03-31 → 2026-04-02 · 3 obs

○ 2021-05-04 18:00:40
● 2026-03-31 07:30:12
● 2026-04-02 21:49:34

○NSblrt.cn2015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 10:25:18
○ 2015-11-22 20:56:54
○ 2026-04-02 21:49:34

○NSdns1.iidns.com2015-11-22 → 2016-06-20 · 5 obs

○ 2015-07-23 10:25:18
● 2015-11-22 20:56:54
● 2016-06-20 23:39:42
○ 2018-08-07 02:20:40
○ 2026-04-02 21:49:34

○NSdns13.hichina.com2021-05-04 → 2021-05-04 · 4 obs

○ 2018-08-07 02:20:40
● 2021-05-04 18:00:40
○ 2026-03-31 07:30:12
○ 2026-04-02 21:49:34

○NSdns14.hichina.com2021-05-04 → 2021-05-04 · 4 obs

○ 2018-08-07 02:20:40
● 2021-05-04 18:00:40
○ 2026-03-31 07:30:12
○ 2026-04-02 21:49:34

○NSdns2.iidns.com2015-11-22 → 2016-06-20 · 5 obs

○ 2015-07-23 10:25:18
● 2015-11-22 20:56:54
● 2016-06-20 23:39:42
○ 2018-08-07 02:20:40
○ 2026-04-02 21:49:34

○NSdns3.iidns.com2015-11-22 → 2016-06-20 · 5 obs

○ 2015-07-23 10:25:18
● 2015-11-22 20:56:54
● 2016-06-20 23:39:42
○ 2018-08-07 02:20:40
○ 2026-04-02 21:49:34

○NSdns4.iidns.com2015-11-22 → 2016-06-20 · 5 obs

○ 2015-07-23 10:25:18
● 2015-11-22 20:56:54
● 2016-06-20 23:39:42
○ 2018-08-07 02:20:40
○ 2026-04-02 21:49:34

○NSdns5.iidns.com2015-11-22 → 2016-06-20 · 5 obs

○ 2015-07-23 10:25:18
● 2015-11-22 20:56:54
● 2016-06-20 23:39:42
○ 2018-08-07 02:20:40
○ 2026-04-02 21:49:34

○NSdns6.iidns.com2015-11-22 → 2016-09-29 · 5 obs

○ 2015-07-23 10:25:18
● 2015-11-22 20:56:54
● 2016-09-29 23:04:08
○ 2018-08-07 02:20:40
○ 2026-04-02 21:49:34

●NSmaria.ns.cloudflare.com2026-03-31 → 2026-04-02 · 3 obs

○ 2021-05-04 18:00:40
● 2026-03-31 07:30:12
● 2026-04-02 21:49:34

○NSns3.dns.com2018-08-07 → 2018-08-07 · 4 obs

○ 2016-09-29 23:04:08
● 2018-08-07 02:20:40
○ 2021-05-04 18:00:40
○ 2026-04-02 21:49:34

○NSns4.dns.com2018-08-07 → 2018-08-07 · 4 obs

○ 2016-09-29 23:04:08
● 2018-08-07 02:20:40
○ 2021-05-04 18:00:40
○ 2026-04-02 21:49:34

○MXmxbiz2.qq.com2016-06-20 → 2018-08-07 · 4 obs

● 2016-06-20 23:39:42
● 2018-08-07 02:20:40
○ 2021-05-04 18:00:40
○ 2026-04-02 21:49:34

●A104.21.30.542026-03-31 → 2026-04-02 · 3 obs

○ 2015-11-22 20:56:54
● 2026-03-31 07:30:12
● 2026-04-02 21:49:34

●A172.67.150.1552026-03-31 → 2026-04-02 · 3 obs

○ 2015-11-22 20:56:54
● 2026-03-31 07:30:12
● 2026-04-02 21:49:34

●A2606:4700:3034::6815:1e362026-03-31 → 2026-04-02 · 3 obs

○ 2015-11-22 20:56:54
● 2026-03-31 07:30:12
● 2026-04-02 21:49:34

●A2606:4700:3035::ac43:969b2026-03-31 → 2026-04-02 · 3 obs

○ 2015-11-22 20:56:54
● 2026-03-31 07:30:12
● 2026-04-02 21:49:34

○A98.126.171.2132015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 10:25:18
○ 2015-11-22 20:56:54
○ 2026-04-02 21:49:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, d.dns.cn, a.dns.cn, c.dns.cn...	-
blrt.cn	bart.ns.cloudflare.com, maria.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.192

NS records: bart.ns.cloudflare.com, maria.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3306ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.155, 104.21.30.54`
AAAA	2	`2606:4700:3035::ac43:969b, 2606:4700:3034::6815:1e36`
NS	2	`bart.ns.cloudflare.com, maria.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bart.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

blrt.cn maps to four IP numbers: 2606:4700:3034::6815:1e36, 2606:4700:3035::ac43:969b, 104.21.30.54 and 172.67.150.155.

Other host names, for instance thesupplyoffice.com, kmdpower.com, mail.parkviewmetal.com, vfree.shop and 908226.com share IP numbers with blrt.cn.

Name Servers

Two name servers bart.ns.cloudflare.com and maria.ns.cloudflare.com are delegated to blrt.cn.

blrt.cn uses the same name server configuration as other domains, such as asbab.net, aoadv.com, wtwk.cn, buihr.com and hebeirhjy.com.

blrt.cn at least partially shares name servers with other domains such as pt-content.com, igrejabiblicacrista.org, tomorrowsmed.com, eutava.la and fieldex.com.

these name servers are commonly used with the name servers hera.ns.cloudflare.com.

Host names with six IP numbers: Host name bart.ns.cloudflare.com points to 2606:4700:58::adf5:3b47, 2803:f800:50::6ca2:c147, 2a06:98c1:50::ac40:2147, 108.162.193.71, 172.64.33.71 and 173.245.59.71; host name maria.ns.cloudflare.com points to 2606:4700:50::adf5:3ac0, 2803:f800:50::6ca2:c0c0, 2a06:98c1:50::ac40:20c0, 108.162.192.192, 172.64.32.192 and 173.245.58.192.

blrt.cn - robtex.com

blrt.cn

cn

Previously NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`blrt.cn`

`cn`