`blackwu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a05f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:3a91^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.145^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.95^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arnold.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c145^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arnold.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2145^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arnold.ns.cloudflare.com`
		A	108.162.193.69^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	172.64.33.69^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	173.245.59.69^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
NS	`val.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`val.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`val.ns.cloudflare.com`
		A	108.162.192.234^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	172.64.32.234^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	173.245.58.234^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽²⁵⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹²⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=6MqePlA85uxdmcYBBT1FhNF_1gTSbaVeMvGw_771PO4`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.58.145, 172.67.160.95
		IPv6	2606:4700:3031::ac43:a05f, 2606:4700:3032::6815:3a91
SOA	`arnold.ns.cloudflare.com`dns@cloudflare.com serial=2397970638

`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=1771291435

Subdomains

www.blackwu.com

Same first word

blackwu.com

Similar names

bucklaw.com

bucklaw.co.uk

DNS History

11 records (9 active, 2 former)

●NSarnold.ns.cloudflare.com2026-03-09 → 2026-03-23 · 3 obs

○ 2017-11-22 05:20:44
● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

●NSval.ns.cloudflare.com2026-03-09 → 2026-03-23 · 3 obs

○ 2017-11-22 05:20:44
● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

○NSvip1.alidns.com2017-11-22 → 2017-11-22 · 3 obs

● 2017-11-22 05:20:44
○ 2026-03-09 11:00:50
○ 2026-03-23 01:45:16

○NSvip2.alidns.com2017-11-22 → 2017-11-22 · 3 obs

● 2017-11-22 05:20:44
○ 2026-03-09 11:00:50
○ 2026-03-23 01:45:16

●MXroute1.mx.cloudflare.net2026-03-09 → 2026-03-23 · 2 obs

● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

●MXroute2.mx.cloudflare.net2026-03-09 → 2026-03-23 · 2 obs

● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

●MXroute3.mx.cloudflare.net2026-03-09 → 2026-03-23 · 2 obs

● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

●A104.21.58.1452026-03-09 → 2026-03-23 · 2 obs

● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

●A172.67.160.952026-03-09 → 2026-03-23 · 2 obs

● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

●A2606:4700:3031::ac43:a05f2026-03-09 → 2026-03-23 · 2 obs

● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

●A2606:4700:3032::6815:3a912026-03-09 → 2026-03-23 · 2 obs

● 2026-03-09 11:00:50
● 2026-03-23 01:45:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...	-
blackwu.com	val.ns.cloudflare.com, arnold.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.69

NS records: val.ns.cloudflare.com, arnold.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blackwu.com (unsigned zone)

⏱️ Timing

Total: 788ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.160.95, 104.21.58.145`
AAAA	2	`2606:4700:3031::ac43:a05f, 2606:4700:3032::6815:3a91`
NS	2	`arnold.ns.cloudflare.com, val.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 20), route3.mx.cloudflare.net (pri: 25)...`
TXT	2	`google-site-verification=6MqePlA85uxdmcY, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arnold.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of www.blackwu.com is blackwu.com.

IP Addresses

blackwu.com maps to four IP numbers: 2606:4700:3031::ac43:a05f, 2606:4700:3032::6815:3a91, 104.21.58.145 and 172.67.160.95.

Other host names, for instance xhslc.com, doupocangqion.com, mail.zeitkorp.net, ultimateaderaser.com and waios.app share IP numbers with blackwu.com.

Name Servers

Two name servers arnold.ns.cloudflare.com and val.ns.cloudflare.com handle delegation for blackwu.com.

blackwu.com uses the same name server setup as other domains, for example bd79.cc, 284566.com, 88899962.com, kfc23.cc and bd25.app.

blackwu.com partially shares name servers with other domains; examples include solutionsrealtor.com, brothercrush.com, tonytsai.com, qasehsu.com and edu-co.org.

These name servers are often used with the name servers diana.ns.cloudflare.com and ivy.ns.cloudflare.com.

Host names with six IP numbers: arnold.ns.cloudflare.com points to: 2606:4700:58::adf5:3b45, 2803:f800:50::6ca2:c145, 2a06:98c1:50::ac40:2145, 108.162.193.69, 172.64.33.69 and 173.245.59.69; val.ns.cloudflare.com points to: 2606:4700:50::adf5:3aea, 2803:f800:50::6ca2:c0ea, 2a06:98c1:50::ac40:20ea, 108.162.192.234, 172.64.32.234 and 173.245.58.234.

Mail Servers

blackwu.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

blackwu.com shares some mail servers with other domains, at least partially, such as nojacks.org, 2009scape.org, 486sx.com, side2.net and minno.co.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

blackwu.com - robtex.com

blackwu.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

Mail Servers

`blackwu.com`

`com`