`sigoptics.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2952^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a341^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.82^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.65^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cory.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cory.ns.cloudflare.com`
		A	108.162.193.93^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	172.64.33.93^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	173.245.59.93^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
NS	`sara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.82, 172.67.163.65
		IPv6 hints	2606:4700:3033::6815:2952, 2606:4700:3035::ac43:a341
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com
SOA	`cory.ns.cloudflare.com`dns@cloudflare.com serial=2398246903

`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=1776058567

Subdomains

www.sigoptics.com

Same first word

sigoptics.com

DNS History

10 records (6 active, 4 former)

●NScory.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs

○ 2017-04-02 13:43:32
● 2026-04-09 16:31:00
● 2026-04-13 05:57:14

○NSns57.domaincontrol.com2016-03-21 → 2017-04-02 · 4 obs

● 2016-03-21 19:43:54
● 2017-04-02 13:43:32
○ 2026-04-09 16:31:00
○ 2026-04-13 05:57:14

○NSns58.domaincontrol.com2016-03-21 → 2017-04-02 · 4 obs

● 2016-03-21 19:43:54
● 2017-04-02 13:43:32
○ 2026-04-09 16:31:00
○ 2026-04-13 05:57:14

●NSsara.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs

○ 2017-04-02 13:43:32
● 2026-04-09 16:31:00
● 2026-04-13 05:57:14

●A104.21.41.822026-04-09 → 2026-04-13 · 3 obs

○ 2017-04-02 13:43:32
● 2026-04-09 16:31:00
● 2026-04-13 05:57:14

●A172.67.163.652026-04-09 → 2026-04-13 · 3 obs

○ 2017-04-02 13:43:32
● 2026-04-09 16:31:00
● 2026-04-13 05:57:14

○A209.126.16.1142017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-23 19:22:16
● 2017-04-02 13:43:32
○ 2026-04-09 16:31:00
○ 2026-04-13 05:57:14

●A2606:4700:3033::6815:29522026-04-09 → 2026-04-13 · 3 obs

○ 2017-04-02 13:43:32
● 2026-04-09 16:31:00
● 2026-04-13 05:57:14

●A2606:4700:3035::ac43:a3412026-04-09 → 2026-04-13 · 3 obs

○ 2017-04-02 13:43:32
● 2026-04-09 16:31:00
● 2026-04-13 05:57:14

○A45.55.233.1032016-03-21 → 2016-07-23 · 4 obs

● 2016-03-21 19:43:54
● 2016-07-23 19:22:16
○ 2017-04-02 13:43:32
○ 2026-04-13 05:57:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...	-
sigoptics.com	sara.ns.cloudflare.com, cory.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.144

NS records: sara.ns.cloudflare.com, cory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sigoptics.com (unsigned zone)

⏱️ Timing

Total: 107ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.163.65, 104.21.41.82`
AAAA	2	`2606:4700:3035::ac43:a341, 2606:4700:3033::6815:2952`
NS	2	`cory.ns.cloudflare.com, sara.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cory.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

sigoptics.com is parent of www.sigoptics.com.

IP Addresses

sigoptics.com points to four IP numbers: 2606:4700:3033::6815:2952, 2606:4700:3035::ac43:a341, 104.21.41.82 and 172.67.163.65.

Other host names, for instance e1-esports.com, gpx.energy, overflow-productions.com, www.f(0x68656e746169).net and stbennetts.com share IP numbers with sigoptics.com.

Name Servers

sigoptics.com's delegation is to two name servers cory.ns.cloudflare.com and sara.ns.cloudflare.com.

sigoptics.com shares the same name server configuration as other domains, such as stb.edu.my, certidev.com, ssauerfirearms.com, lego.com and smsy.pl.

sigoptics.com at least partially shares its name servers with other domains, for instance ipea204connect.org, 6nu1fpyqs.com, scottsdaleaz.gov, jamsab.com and media-phi.com.

These name servers are often used together with the name servers carter.ns.cloudflare.com.

Host names with six IP numbers:

cory.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5d, 2803:f800:50::6ca2:c15d, 2a06:98c1:50::ac40:215d, 108.162.193.93, 172.64.33.93 and 173.245.59.93.

sara.ns.cloudflare.com points to: 2606:4700:50::adf5:3a90, 2803:f800:50::6ca2:c090, 2a06:98c1:50::ac40:2090, 108.162.192.144, 172.64.32.144 and 173.245.58.144.

sigoptics.com - robtex.com

sigoptics.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`sigoptics.com`

`com`