`mrb2b.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:4dbc^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d32a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.188^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.42^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jacob.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ca2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jacob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jacob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jacob.ns.cloudflare.com`
		A	108.162.195.162^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jacob.ns.cloudflare.com`
		A	162.159.44.162^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jacob.ns.cloudflare.com`
		A	172.64.35.162^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jacob.ns.cloudflare.com`
NS	`josephine.ns.cloudflare.com`
		A	2606:4700:50::a29f:2640^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c240^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josephine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2240^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josephine.ns.cloudflare.com`
		A	108.162.194.64^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	162.159.38.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	172.64.34.64^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.77.188, 172.67.211.42
		IPv6	2606:4700:3037::6815:4dbc, 2606:4700:3037::ac43:d32a
SOA	`jacob.ns.cloudflare.com`dns@cloudflare.com serial=2398995880

`net`

	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=1771291465

Same first word

mrb2b.net

DNS History

23 records (6 active, 17 former)

●NSjacob.ns.cloudflare.com2026-02-16 → 2026-03-23 · 3 obs

○ 2017-03-26 13:45:16
● 2026-02-16 09:01:16
● 2026-03-23 00:40:06

●NSjosephine.ns.cloudflare.com2026-02-16 → 2026-03-23 · 3 obs

○ 2017-03-26 13:45:16
● 2026-02-16 09:01:16
● 2026-03-23 00:40:06

○NSlocalhost2017-03-26 → 2017-03-26 · 4 obs

○ 2016-07-09 07:10:44
● 2017-03-26 13:45:16
○ 2026-02-16 09:01:16
○ 2026-03-23 00:40:06

○NSns1.myhostadmin.net2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

○NSns1.mytrafficmanagement.com2017-03-26 → 2017-03-26 · 4 obs

○ 2016-07-09 07:10:44
● 2017-03-26 13:45:16
○ 2026-02-16 09:01:16
○ 2026-03-23 00:40:06

○NSns2.myhostadmin.net2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

○NSns2.mytrafficmanagement.com2017-03-26 → 2017-03-26 · 4 obs

○ 2016-07-09 07:10:44
● 2017-03-26 13:45:16
○ 2026-02-16 09:01:16
○ 2026-03-23 00:40:06

○NSns3.myhostadmin.net2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

○NSns4.myhostadmin.net2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

○NSns5.myhostadmin.net2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

○NSns6.myhostadmin.net2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

○MXmail.pickelhost.com2017-03-26 → 2026-02-16 · 5 obs

○ 2016-07-09 07:10:44
● 2017-03-26 13:45:16
● 2026-02-16 09:01:16
○ 2026-02-22 15:18:32
○ 2026-03-23 00:40:06

○MXmxbiz1.qq.com2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

○MXmxbiz2.qq.com2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

●A104.21.77.1882026-02-16 → 2026-03-23 · 8 obs

○ 2017-03-26 13:45:16
● 2026-02-16 09:01:16
○ 2026-02-22 15:18:32
● 2026-02-25 10:44:30
● 2026-03-21 08:53:16
○ 2026-03-22 22:35:10
● 2026-03-22 23:39:28
● 2026-03-23 00:40:06

○A172.64.80.12026-02-22 → 2026-03-22 · 7 obs

○ 2026-02-16 09:01:16
● 2026-02-22 15:18:32
○ 2026-02-25 10:44:30
○ 2026-03-21 08:53:16
● 2026-03-22 22:35:10
○ 2026-03-22 23:39:28
○ 2026-03-23 00:40:06

●A172.67.211.422026-02-16 → 2026-03-23 · 8 obs

○ 2017-03-26 13:45:16
● 2026-02-16 09:01:16
○ 2026-02-22 15:18:32
● 2026-02-25 10:44:30
● 2026-03-21 08:53:16
○ 2026-03-22 22:35:10
● 2026-03-22 23:39:28
● 2026-03-23 00:40:06

○A218.247.64.32015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-22 → 2026-03-22 · 7 obs

○ 2026-02-16 09:01:16
● 2026-02-22 15:18:32
○ 2026-02-25 10:44:30
○ 2026-03-21 08:53:16
● 2026-03-22 22:35:10
○ 2026-03-22 23:39:28
○ 2026-03-23 00:40:06

●A2606:4700:3037::6815:4dbc2026-02-16 → 2026-03-23 · 8 obs

○ 2017-03-26 13:45:16
● 2026-02-16 09:01:16
○ 2026-02-22 15:18:32
● 2026-02-25 10:44:30
● 2026-03-21 08:53:16
○ 2026-03-22 22:35:10
● 2026-03-22 23:39:28
● 2026-03-23 00:40:06

●A2606:4700:3037::ac43:d32a2026-02-16 → 2026-03-23 · 8 obs

○ 2017-03-26 13:45:16
● 2026-02-16 09:01:16
○ 2026-02-22 15:18:32
● 2026-02-25 10:44:30
● 2026-03-21 08:53:16
○ 2026-03-22 22:35:10
● 2026-03-22 23:39:28
● 2026-03-23 00:40:06

○A45.33.9.2342017-03-26 → 2017-03-26 · 4 obs

○ 2016-07-09 07:10:44
● 2017-03-26 13:45:16
○ 2026-02-16 09:01:16
○ 2026-03-23 00:40:06

○CNAMEmryq.gotoip4.com2015-07-25 → 2016-07-09 · 4 obs

● 2015-07-25 08:20:14
● 2016-07-09 07:10:44
○ 2017-03-26 13:45:16
○ 2026-03-23 00:40:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
mrb2b.net	josephine.ns.cloudflare.com, jacob.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.162

NS records: josephine.ns.cloudflare.com, jacob.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mrb2b.net (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.42, 104.21.77.188`
AAAA	2	`2606:4700:3037::ac43:d32a, 2606:4700:3037::6815:4dbc`
NS	2	`jacob.ns.cloudflare.com, josephine.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jacob.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

mrb2b.net points to four IP numbers: 2606:4700:3037::6815:4dbc, 2606:4700:3037::ac43:d32a, 104.21.77.188 and 172.67.211.42.

For instance, other host names kawaii-play.com, tri-pack.net, auroyaume.tg, bluediamondstay-llc.com and texasocial.com.cdn.cloudflare.net share IP numbers with mrb2b.net.

Name Servers

mrb2b.net is delegated to two name servers: jacob.ns.cloudflare.com and josephine.ns.cloudflare.com.

mrb2b.net uses the same name server setup as other domains such as cftcom.com, wlsg.net, mpb-china.com, gmsurat.com and cw321.com.

mrb2b.net shares name servers with other domains at least partially, for example rjly.cn, officevacatures.nl, z(0x74313735).com, firstclasscatering.net and inicialove.com.

These name servers are commonly used with ned.ns.cloudflare.com, dion.ns.cloudflare.com and dawn.ns.cloudflare.com.

Host names with six IP numbers: host name jacob.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca2, 2803:f800:50::6ca2:c3a2, 2a06:98c1:50::ac40:23a2, 108.162.195.162, 162.159.44.162 and 172.64.35.162; host name josephine.ns.cloudflare.com points to: 2606:4700:50::a29f:2640, 2803:f800:50::6ca2:c240, 2a06:98c1:50::ac40:2240, 108.162.194.64, 162.159.38.64 and 172.64.34.64.

mrb2b.net - robtex.com

mrb2b.net

net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`mrb2b.net`

`net`