`sz-ledtech.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b9c3^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:1367^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.103^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.195^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`delilah.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2663^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c263^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`delilah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2263^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`delilah.ns.cloudflare.com`
		A	108.162.194.99^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	162.159.38.99^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	172.64.34.99^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
NS	`hank.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c174^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2174^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hank.ns.cloudflare.com`
		A	108.162.193.116^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	172.64.33.116^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	173.245.59.116^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.19.103, 172.67.185.195
		IPv6	2606:4700:3030::ac43:b9c3, 2606:4700:3031::6815:1367
SOA	`delilah.ns.cloudflare.com`dns@cloudflare.com serial=2399094318

`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=1774403912

Same first word

sz-ledtech.com

DNS History

16 records (6 active, 10 former)

●NSdelilah.ns.cloudflare.com2026-02-14 → 2026-03-25 · 3 obs

○ 2020-02-14 01:42:00
● 2026-02-14 16:41:30
● 2026-03-25 02:08:40

●NShank.ns.cloudflare.com2026-02-14 → 2026-03-25 · 3 obs

○ 2020-02-14 01:42:00
● 2026-02-14 16:41:30
● 2026-03-25 02:08:40

○NSjm1.dns.com2020-02-14 → 2020-02-14 · 4 obs

○ 2017-03-29 01:36:50
● 2020-02-14 01:42:00
○ 2026-02-14 16:41:30
○ 2026-03-25 02:08:40

○NSjm2.dns.com2020-02-14 → 2020-02-14 · 4 obs

○ 2017-03-29 01:36:50
● 2020-02-14 01:42:00
○ 2026-02-14 16:41:30
○ 2026-03-25 02:08:40

○NSns1.myhostadmin.net2015-08-22 → 2017-03-29 · 4 obs

● 2015-08-22 03:54:06
● 2017-03-29 01:36:50
○ 2020-02-14 01:42:00
○ 2026-03-25 02:08:40

○NSns2.myhostadmin.net2015-08-22 → 2017-03-29 · 4 obs

● 2015-08-22 03:54:06
● 2017-03-29 01:36:50
○ 2020-02-14 01:42:00
○ 2026-03-25 02:08:40

○NSns3.myhostadmin.net2015-08-22 → 2017-03-29 · 4 obs

● 2015-08-22 03:54:06
● 2017-03-29 01:36:50
○ 2020-02-14 01:42:00
○ 2026-03-25 02:08:40

○NSns4.myhostadmin.net2015-08-22 → 2017-03-29 · 4 obs

● 2015-08-22 03:54:06
● 2017-03-29 01:36:50
○ 2020-02-14 01:42:00
○ 2026-03-25 02:08:40

○NSns5.myhostadmin.net2015-08-22 → 2017-03-29 · 4 obs

● 2015-08-22 03:54:06
● 2017-03-29 01:36:50
○ 2020-02-14 01:42:00
○ 2026-03-25 02:08:40

○NSns6.myhostadmin.net2015-08-22 → 2017-03-29 · 4 obs

● 2015-08-22 03:54:06
● 2017-03-29 01:36:50
○ 2020-02-14 01:42:00
○ 2026-03-25 02:08:40

○MXmx.mail.ym.163.com2015-08-22 → 2017-03-29 · 4 obs

● 2015-08-22 03:54:06
● 2017-03-29 01:36:50
○ 2020-02-14 01:42:00
○ 2026-03-25 02:08:40

●A104.21.19.1032026-02-14 → 2026-03-25 · 3 obs

○ 2020-02-14 01:42:00
● 2026-02-14 16:41:30
● 2026-03-25 02:08:40

●A172.67.185.1952026-02-14 → 2026-03-25 · 3 obs

○ 2020-02-14 01:42:00
● 2026-02-14 16:41:30
● 2026-03-25 02:08:40

●A2606:4700:3030::ac43:b9c32026-02-14 → 2026-03-25 · 3 obs

○ 2020-02-14 01:42:00
● 2026-02-14 16:41:30
● 2026-03-25 02:08:40

●A2606:4700:3031::6815:13672026-02-14 → 2026-03-25 · 3 obs

○ 2020-02-14 01:42:00
● 2026-02-14 16:41:30
● 2026-03-25 02:08:40

○A45.197.138.1792020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 01:42:00
○ 2026-02-14 16:41:30
○ 2026-03-25 02:08:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sz-ledtech.com	hank.ns.cloudflare.com, delilah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.99

NS records: hank.ns.cloudflare.com, delilah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sz-ledtech.com (unsigned zone)

⏱️ Timing

Total: 159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.19.103, 172.67.185.195`
AAAA	2	`2606:4700:3031::6815:1367, 2606:4700:3030::ac43:b9c3`
NS	2	`delilah.ns.cloudflare.com, hank.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`delilah.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sz-ledtech.com resolves to four IPs: 2606:4700:3030::ac43:b9c3, 2606:4700:3031::6815:1367, 104.21.19.103 and 172.67.185.195.

Other host names, for instance sekt.cn, awwcrap.com, gzlar.net, leeks.co.uk and edcradioonline.com share IP numbers with sz-ledtech.com.

Name Servers

sz-ledtech.com has two name servers: delilah.ns.cloudflare.com and hank.ns.cloudflare.com.

sz-ledtech.com shares the same name server setup as other domains, for example dinaex.com, 012sf.com, xintaicc.net, tahy56.com and hkhuangjia.com.

sz-ledtech.com shares some name servers with other domains, for example feoq.cn, vallegrande.org, rdr2.org, scimetr.com and benlily.com.

These name servers are often used together with sean.ns.cloudflare.com, dolly.ns.cloudflare.com and elly.ns.cloudflare.com.

Host names with six IP numbers: delilah.ns.cloudflare.com points to: 2606:4700:50::a29f:2663, 2803:f800:50::6ca2:c263, 2a06:98c1:50::ac40:2263, 108.162.194.99, 162.159.38.99 and 172.64.34.99; hank.ns.cloudflare.com points to: 2606:4700:58::adf5:3b74, 2803:f800:50::6ca2:c174, 2a06:98c1:50::ac40:2174, 108.162.193.116, 172.64.33.116 and 173.245.59.116.

sz-ledtech.com - robtex.com

sz-ledtech.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

`sz-ledtech.com`

`com`