`51cd-box.com`

DNSSEC	⚠️ Not signed
NS	`cecelia.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:50::a29f:2687^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c287^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cecelia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2287^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cecelia.ns.cloudflare.com`
		A	108.162.194.135^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	162.159.38.135^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	172.64.34.135^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
NS	`steven.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:58::a29f:2c11^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`steven.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c311^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`steven.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2311^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`steven.ns.cloudflare.com`
		A	108.162.195.17^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`steven.ns.cloudflare.com`
		A	162.159.44.17^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`steven.ns.cloudflare.com`
		A	172.64.35.17^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`steven.ns.cloudflare.com`

`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

51cd-box.com

DNS History

11 records (2 active, 9 former)

●NScecelia.ns.cloudflare.com2026-03-06 → 2026-03-17 · 3 obs

○ 2017-02-13 15:32:12
● 2026-03-06 04:21:00
● 2026-03-17 02:27:12

○NSdns23.hichina.com2015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 00:20:00
○ 2017-02-13 15:32:12
○ 2026-03-17 02:27:12

○NSdns24.hichina.com2015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 00:20:00
○ 2017-02-13 15:32:12
○ 2026-03-17 02:27:12

○NSjuming.dnsdun.com2017-02-13 → 2017-02-13 · 4 obs

○ 2015-07-05 00:20:00
● 2017-02-13 15:32:12
○ 2026-03-06 04:21:00
○ 2026-03-17 02:27:12

○NSjuming.dnsdun.net2017-02-13 → 2017-02-13 · 4 obs

○ 2015-07-05 00:20:00
● 2017-02-13 15:32:12
○ 2026-03-06 04:21:00
○ 2026-03-17 02:27:12

●NSsteven.ns.cloudflare.com2026-03-06 → 2026-03-17 · 3 obs

○ 2017-02-13 15:32:12
● 2026-03-06 04:21:00
● 2026-03-17 02:27:12

○A112.125.17.1112015-11-13 → 2015-11-13 · 4 obs

○ 2015-07-05 00:20:00
● 2015-11-13 03:23:22
○ 2016-02-23 21:51:28
○ 2026-03-17 02:27:12

○A127.0.0.12019-12-24 → 2019-12-24 · 4 obs

○ 2017-02-13 15:32:12
● 2019-12-24 06:36:26
○ 2026-03-06 04:21:00
○ 2026-03-17 02:27:12

○A172.247.135.142016-02-23 → 2016-06-25 · 5 obs

○ 2015-11-13 03:23:22
● 2016-02-23 21:51:28
● 2016-06-25 18:34:12
○ 2017-02-13 15:32:12
○ 2026-03-17 02:27:12

○A223.7.27.1772015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 00:20:00
○ 2015-11-13 03:23:22
○ 2026-03-17 02:27:12

○A23.245.61.1342017-02-13 → 2017-02-13 · 4 obs

○ 2016-06-25 18:34:12
● 2017-02-13 15:32:12
○ 2019-12-24 06:36:26
○ 2026-03-17 02:27:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
51cd-box.com	cecelia.ns.cloudflare.com, steven.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.17

NS records: cecelia.ns.cloudflare.com, steven.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51cd-box.com (unsigned zone)

⏱️ Timing

Total: 1731ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

51cd-box.com's delegation uses two name servers, cecelia.ns.cloudflare.com and steven.ns.cloudflare.com.

51cd-box.com shares the same name server setup as other domains, for example yxzuh.com, yzxls.com, 0535hotel.com, jguoguo.com and ilaidai.com.

51cd-box.com at least partially shares name servers with other domains, including tasydz.com, eggmaniac.com, whiteoakcapitalpartners.com, shishiqi.com and chatbots.ly.

these name servers are commonly used together with suzanne.ns.cloudflare.com, rose.ns.cloudflare.com and chad.ns.cloudflare.com.

Host names with six IP numbers:

cecelia.ns.cloudflare.com points to: 2606:4700:50::a29f:2687, 2803:f800:50::6ca2:c287, 2a06:98c1:50::ac40:2287, 108.162.194.135, 162.159.38.135 and 172.64.34.135.

steven.ns.cloudflare.com points to: 2606:4700:58::a29f:2c11, 2803:f800:50::6ca2:c311, 2a06:98c1:50::ac40:2311, 108.162.195.17, 162.159.44.17 and 172.64.35.17.

51cd-box.com - robtex.com

51cd-box.com

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