`sem16.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:5254^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9b6d^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.84^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.109^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carrera.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26e7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carrera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carrera.ns.cloudflare.com`
		A	108.162.194.231^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	162.159.38.231^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	172.64.34.231^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
NS	`jim.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jim.ns.cloudflare.com`
		A	108.162.193.125^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	172.64.33.125^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	173.245.59.125^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.82.84, 172.67.155.109
		IPv6	2606:4700:3032::6815:5254, 2606:4700:3036::ac43:9b6d
SOA	`carrera.ns.cloudflare.com`dns@cloudflare.com serial=2399992646

`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=1774647782

Same first word

sem16.com

DNS History

16 records (6 active, 10 former)

●NScarrera.ns.cloudflare.com2026-02-16 → 2026-03-27 · 3 obs

○ 2017-11-21 07:24:30
● 2026-02-16 05:00:22
● 2026-03-27 22:06:18

○NSdns1.hichina.com2015-05-01 → 2016-11-26 · 4 obs

● 2015-05-01 09:48:46
● 2016-11-26 01:19:50
○ 2017-11-21 07:24:30
○ 2026-03-27 22:06:18

○NSdns2.hichina.com2015-05-01 → 2016-11-26 · 4 obs

● 2015-05-01 09:48:46
● 2016-11-26 01:19:50
○ 2017-11-21 07:24:30
○ 2026-03-27 22:06:18

○NSf1g1ns1.dnspod.net2017-11-21 → 2017-11-21 · 4 obs

○ 2016-11-26 01:19:50
● 2017-11-21 07:24:30
○ 2026-02-16 05:00:22
○ 2026-03-27 22:06:18

○NSf1g1ns2.dnspod.net2017-11-21 → 2017-11-21 · 4 obs

○ 2016-11-26 01:19:50
● 2017-11-21 07:24:30
○ 2026-02-16 05:00:22
○ 2026-03-27 22:06:18

●NSjim.ns.cloudflare.com2026-02-16 → 2026-03-27 · 3 obs

○ 2017-11-21 07:24:30
● 2026-02-16 05:00:22
● 2026-03-27 22:06:18

○A104.168.8.1842017-11-21 → 2017-11-21 · 4 obs

○ 2016-11-26 01:19:50
● 2017-11-21 07:24:30
○ 2026-02-16 05:00:22
○ 2026-03-27 22:06:18

●A104.21.82.842026-02-16 → 2026-03-27 · 6 obs

○ 2017-11-21 07:24:30
● 2026-02-16 05:00:22
● 2026-03-04 07:24:14
○ 2026-03-14 19:47:48
● 2026-03-15 10:34:34
● 2026-03-27 22:06:18

○A115.29.5.532015-05-01 → 2016-11-26 · 4 obs

● 2015-05-01 09:48:46
● 2016-11-26 01:19:50
○ 2017-11-21 07:24:30
○ 2026-03-27 22:06:18

●A172.67.155.1092026-02-16 → 2026-03-27 · 6 obs

○ 2017-11-21 07:24:30
● 2026-02-16 05:00:22
● 2026-03-04 07:24:14
○ 2026-03-14 19:47:48
● 2026-03-15 10:34:34
● 2026-03-27 22:06:18

○A188.114.96.02026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-04 07:24:14
● 2026-03-14 19:47:48
○ 2026-03-15 10:34:34
○ 2026-03-27 22:06:18

○A188.114.97.02026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-04 07:24:14
● 2026-03-14 19:47:48
○ 2026-03-15 10:34:34
○ 2026-03-27 22:06:18

●A2606:4700:3032::6815:52542026-02-16 → 2026-03-27 · 6 obs

○ 2017-11-21 07:24:30
● 2026-02-16 05:00:22
● 2026-03-04 07:24:14
○ 2026-03-14 19:47:48
● 2026-03-15 10:34:34
● 2026-03-27 22:06:18

●A2606:4700:3036::ac43:9b6d2026-02-16 → 2026-03-27 · 6 obs

○ 2017-11-21 07:24:30
● 2026-02-16 05:00:22
● 2026-03-04 07:24:14
○ 2026-03-14 19:47:48
● 2026-03-15 10:34:34
● 2026-03-27 22:06:18

○A2a06:98c1:3120::2026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-04 07:24:14
● 2026-03-14 19:47:48
○ 2026-03-15 10:34:34
○ 2026-03-27 22:06:18

○A2a06:98c1:3121::2026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-04 07:24:14
● 2026-03-14 19:47:48
○ 2026-03-15 10:34:34
○ 2026-03-27 22:06:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sem16.com	jim.ns.cloudflare.com, carrera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.125

NS records: jim.ns.cloudflare.com, carrera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sem16.com (unsigned zone)

⏱️ Timing

Total: 147ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.109, 104.21.82.84`
AAAA	2	`2606:4700:3032::6815:5254, 2606:4700:3036::ac43:9b6d`
NS	2	`carrera.ns.cloudflare.com, jim.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carrera.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sem16.com maps to four IP numbers: 2606:4700:3032::6815:5254, 2606:4700:3036::ac43:9b6d, 104.21.82.84 and 172.67.155.109.

other host names include cuevana3.org, alphatelevision.services, ds166.com, parkhotel.ee and mail.m-tron.at; they share IP numbers with sem16.com.

Name Servers

Two name servers carrera.ns.cloudflare.com and jim.ns.cloudflare.com handle the delegation for sem16.com.

sem16.com shares the same name server setup as other domains, for instance vhrb.cn, gzcssl.cn, huishoucn.cn, iwenclub.com and xmud.cn.

sem16.com at least partially shares name servers with other domains, for instance drmobile.nl, fnqlaw.com, zctxpc.com, happymodapkbaixar.com and devoq.gr.

These name servers are commonly used alongside jason.ns.cloudflare.com.

Six IP addresses per host:

carrera.ns.cloudflare.com points to 2606:4700:50::a29f:26e7, 2803:f800:50::6ca2:c2e7, 2a06:98c1:50::ac40:22e7, 108.162.194.231, 162.159.38.231 and 172.64.34.231; jim.ns.cloudflare.com points to 2606:4700:58::adf5:3b7d, 2803:f800:50::6ca2:c17d, 2a06:98c1:50::ac40:217d, 108.162.193.125, 172.64.33.125 and 173.245.59.125

sem16.com - robtex.com

sem16.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

`sem16.com`

`com`