`blue-usb.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:8d78^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1b39^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.57^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.120^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c178^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2178^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivan.ns.cloudflare.com`
		A	108.162.193.120^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	172.64.33.120^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	173.245.59.120^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
NS	`veda.ns.cloudflare.com`
		A	2606:4700:50::a29f:2693^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c293^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`veda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2293^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`veda.ns.cloudflare.com`
		A	108.162.194.147^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	162.159.38.147^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	172.64.34.147^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.27.57, 172.67.141.120
		IPv6	2606:4700:3033::ac43:8d78, 2606:4700:3035::6815:1b39
SOA	`ivan.ns.cloudflare.com`dns@cloudflare.com serial=2399810842

`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

Same first word

blue-usb.com

DNS History

19 records (6 active, 13 former)

●NSivan.ns.cloudflare.com2026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-07 02:57:26
● 2026-02-27 01:05:02
● 2026-03-24 11:56:38

○NSjuming.dnsdun.com2019-04-07 → 2019-04-07 · 4 obs

○ 2017-02-07 03:28:42
● 2019-04-07 02:57:26
○ 2026-02-27 01:05:02
○ 2026-03-24 11:56:38

○NSjuming.dnsdun.net2019-04-07 → 2019-04-07 · 4 obs

○ 2017-02-07 03:28:42
● 2019-04-07 02:57:26
○ 2026-02-27 01:05:02
○ 2026-03-24 11:56:38

○NSns11.bigwww.com2015-06-25 → 2017-02-07 · 4 obs

● 2015-06-25 23:19:10
● 2017-02-07 03:28:42
○ 2019-04-07 02:57:26
○ 2026-03-24 11:56:38

●NSveda.ns.cloudflare.com2026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-07 02:57:26
● 2026-02-27 01:05:02
● 2026-03-24 11:56:38

○MXem004.gotoip.net2015-06-25 → 2017-02-07 · 4 obs

● 2015-06-25 23:19:10
● 2017-02-07 03:28:42
○ 2019-04-07 02:57:26
○ 2026-03-24 11:56:38

●A104.21.27.572026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-07 02:57:26
● 2026-02-27 01:05:02
● 2026-03-24 11:56:38

○A125.88.190.272015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-25 23:19:10
● 2015-11-07 00:35:56
○ 2016-03-04 23:47:18
○ 2026-03-24 11:56:38

○A125.88.190.572015-06-25 → 2015-06-25 · 3 obs

● 2015-06-25 23:19:10
○ 2017-02-07 03:28:42
○ 2026-03-24 11:56:38

○A156.237.159.402019-04-07 → 2019-04-07 · 4 obs

○ 2017-02-07 03:28:42
● 2019-04-07 02:57:26
○ 2026-02-27 01:05:02
○ 2026-03-24 11:56:38

●A172.67.141.1202026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-07 02:57:26
● 2026-02-27 01:05:02
● 2026-03-24 11:56:38

○A222.73.144.1722016-03-04 → 2016-03-04 · 4 obs

○ 2015-11-07 00:35:56
● 2016-03-04 23:47:18
○ 2016-06-27 15:21:46
○ 2026-03-24 11:56:38

○A222.73.144.1822016-06-27 → 2016-06-27 · 4 obs

○ 2016-03-04 23:47:18
● 2016-06-27 15:21:46
○ 2017-02-07 03:28:42
○ 2026-03-24 11:56:38

○A222.73.144.1932017-02-07 → 2017-02-07 · 4 obs

○ 2016-06-27 15:21:46
● 2017-02-07 03:28:42
○ 2019-04-07 02:57:26
○ 2026-03-24 11:56:38

●A2606:4700:3033::ac43:8d782026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-07 02:57:26
● 2026-02-27 01:05:02
● 2026-03-24 11:56:38

●A2606:4700:3035::6815:1b392026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-07 02:57:26
● 2026-02-27 01:05:02
● 2026-03-24 11:56:38

○CNAME37aec4dbec46addce173584d8096226f.360safedns.com2017-02-07 → 2017-02-07 · 4 obs

○ 2016-06-27 15:21:46
● 2017-02-07 03:28:42
○ 2019-04-07 02:57:26
○ 2026-03-24 11:56:38

○CNAME37aec4dbec46addce173584d8096226f.dnspao.com2015-11-07 → 2016-06-27 · 5 obs

○ 2015-06-25 23:19:10
● 2015-11-07 00:35:56
● 2016-06-27 15:21:46
○ 2017-02-07 03:28:42
○ 2026-03-24 11:56:38

○CNAMEblue-usb.com.sudu-by4e.com2015-06-25 → 2015-06-25 · 3 obs

● 2015-06-25 23:19:10
○ 2015-11-07 00:35:56
○ 2026-03-24 11:56:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
blue-usb.com	ivan.ns.cloudflare.com, veda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.147

NS records: ivan.ns.cloudflare.com, veda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blue-usb.com (unsigned zone)

⏱️ Timing

Total: 153ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.141.120, 104.21.27.57`
AAAA	2	`2606:4700:3035::6815:1b39, 2606:4700:3033::ac43:8d78`
NS	2	`ivan.ns.cloudflare.com, veda.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ivan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

blue-usb.com resolves to four IPs: 2606:4700:3033::ac43:8d78, 2606:4700:3035::6815:1b39, 104.21.27.57 and 172.67.141.120.

Other host names such as mail.abravo.net, st-express.net, asfg.org.uk, www.ekiden.pl and id.ngomik.cloud share IP numbers with blue-usb.com.

Name Servers

blue-usb.com is delegated to two name servers: ivan.ns.cloudflare.com and veda.ns.cloudflare.com.

blue-usb.com uses the same name server setup as other domains, including xaliangyuan.com, shwkzy.com, bozantiyu.com, motivegamesbook.com and 090122.com.

At least part of the name servers for blue-usb.com are shared with other domains, for instance oomsbv.nl, (0x706f726e)oklad.me, 9spay.in, ceria89slots.com and 10-steps-to-learn.info.

Host names with six IP numbers:

ivan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b78, 2803:f800:50::6ca2:c178, 2a06:98c1:50::ac40:2178, 108.162.193.120, 172.64.33.120 and 173.245.59.120.

veda.ns.cloudflare.com points to: 2606:4700:50::a29f:2693, 2803:f800:50::6ca2:c293, 2a06:98c1:50::ac40:2293, 108.162.194.147, 162.159.38.147 and 172.64.34.147.

blue-usb.com - robtex.com

blue-usb.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`blue-usb.com`

`com`