`sd-bigdata.com`

DNSSEC	⚠️ Not signed
NS	`lewis.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lewis.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lewis.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lewis.ns.cloudflare.com`
		A	108.162.195.159^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lewis.ns.cloudflare.com`
		A	162.159.44.159^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lewis.ns.cloudflare.com`
		A	172.64.35.159^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lewis.ns.cloudflare.com`
NS	`tessa.ns.cloudflare.com`
		A	2606:4700:50::a29f:26e5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tessa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tessa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tessa.ns.cloudflare.com`
		A	108.162.194.229^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tessa.ns.cloudflare.com`
		A	162.159.38.229^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tessa.ns.cloudflare.com`
		A	172.64.34.229^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tessa.ns.cloudflare.com`
SOA	`lewis.ns.cloudflare.com`dns@cloudflare.com serial=2396658262

`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=1774413007

Same first word

sd-bigdata.com

DNS History

9 records (2 active, 7 former)

○NSf1g1ns1.dnspod.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 19:40:24
○ 2018-08-26 07:13:06
○ 2026-03-25 04:51:00

○NSf1g1ns2.dnspod.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 19:40:24
○ 2018-08-26 07:13:06
○ 2026-03-25 04:51:00

○NSjuming.dnsdun.com2018-08-26 → 2018-08-26 · 3 obs

○ 2017-01-04 19:40:24
● 2018-08-26 07:13:06
○ 2026-03-25 04:51:00

○NSjuming.dnsdun.net2018-08-26 → 2018-08-26 · 3 obs

○ 2017-01-04 19:40:24
● 2018-08-26 07:13:06
○ 2026-03-25 04:51:00

●NSlewis.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs

○ 2018-08-26 07:13:06
● 2026-03-25 04:51:00

○NSns1.julydns.com2026-03-25 → 2026-03-25 · 1 obs

○ 2026-03-25 04:51:00

○NSns2.julydns.com2026-03-25 → 2026-03-25 · 1 obs

○ 2026-03-25 04:51:00

●NStessa.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs

○ 2018-08-26 07:13:06
● 2026-03-25 04:51:00

○A45.39.169.1772018-08-26 → 2018-08-26 · 2 obs

● 2018-08-26 07:13:06
○ 2026-03-25 04:51:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sd-bigdata.com	tessa.ns.cloudflare.com, lewis.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.159

NS records: tessa.ns.cloudflare.com, lewis.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sd-bigdata.com (unsigned zone)

⏱️ Timing

Total: 87ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`lewis.ns.cloudflare.com, tessa.ns.cloudflare.com`
SOA	1	`lewis.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

Delegation for sd-bigdata.com rests with two name servers, lewis.ns.cloudflare.com and tessa.ns.cloudflare.com.

sd-bigdata.com shares the same name server setup as other domains, including 0351pearl.com, aaimi.cn, junzijiankang.com, jinbole.cn and xacdbw.com.

sd-bigdata.com at least partially shares name servers with other domains, for instance systemreportservices.genetec.com, firexpay.com, rnbass.com, suretybot.com and analystique.co.in.

Host names with six IP numbers: lewis.ns.cloudflare.com points to: 2606:4700:58::a29f:2c9f, 2803:f800:50::6ca2:c39f, 2a06:98c1:50::ac40:239f, 108.162.195.159, 162.159.44.159 and 172.64.35.159. tessa.ns.cloudflare.com points to: 2606:4700:50::a29f:26e5, 2803:f800:50::6ca2:c2e5, 2a06:98c1:50::ac40:22e5, 108.162.194.229, 162.159.38.229 and 172.64.34.229.

sd-bigdata.com - robtex.com

sd-bigdata.com

com