`sematraining.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9e41^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:4935^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.53^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.65^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coco.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c068^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coco.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2068^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coco.ns.cloudflare.com`
		A	108.162.192.104^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	172.64.32.104^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	173.245.58.104^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
NS	`dion.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dion.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dion.ns.cloudflare.com`
		A	108.162.193.156^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	172.64.33.156^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	173.245.59.156^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
TXT	`google-site-verification=bKCGsyWVyPuFRf5hBfC3BfmoN46WYu66X9RVCQRNNWU`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.73.53, 172.67.158.65
		IPv6	2606:4700:3030::ac43:9e41, 2606:4700:3031::6815:4935
SOA	`coco.ns.cloudflare.com`dns@cloudflare.com serial=2396904386

`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

sematraining.com

Similar names

DNS History

14 records (6 active, 8 former)

●NScoco.ns.cloudflare.com2026-02-16 → 2026-03-14 · 3 obs

○ 2017-10-27 23:11:44
● 2026-02-16 10:09:24
● 2026-03-14 23:54:16

●NSdion.ns.cloudflare.com2026-02-16 → 2026-03-14 · 3 obs

○ 2017-10-27 23:11:44
● 2026-02-16 10:09:24
● 2026-03-14 23:54:16

○NSdns1.registrar-servers.com2017-10-27 → 2017-10-27 · 3 obs

● 2017-10-27 23:11:44
○ 2026-02-16 10:09:24
○ 2026-03-14 23:54:16

○NSdns2.registrar-servers.com2017-10-27 → 2017-10-27 · 3 obs

● 2017-10-27 23:11:44
○ 2026-02-16 10:09:24
○ 2026-03-14 23:54:16

○MXeforward1.registrar-servers.com2017-10-27 → 2026-02-16 · 4 obs

● 2017-10-27 23:11:44
● 2026-02-16 21:35:48
○ 2026-02-18 00:40:32
○ 2026-03-14 23:54:16

○MXeforward2.registrar-servers.com2017-10-27 → 2026-02-16 · 4 obs

● 2017-10-27 23:11:44
● 2026-02-16 21:35:48
○ 2026-02-18 00:40:32
○ 2026-03-14 23:54:16

○MXeforward3.registrar-servers.com2017-10-27 → 2026-02-16 · 4 obs

● 2017-10-27 23:11:44
● 2026-02-16 21:35:48
○ 2026-02-18 00:40:32
○ 2026-03-14 23:54:16

○MXeforward4.registrar-servers.com2017-10-27 → 2026-02-16 · 4 obs

● 2017-10-27 23:11:44
● 2026-02-16 21:35:48
○ 2026-02-18 00:40:32
○ 2026-03-14 23:54:16

○MXeforward5.registrar-servers.com2017-10-27 → 2026-02-16 · 4 obs

● 2017-10-27 23:11:44
● 2026-02-16 21:35:48
○ 2026-02-18 00:40:32
○ 2026-03-14 23:54:16

●A104.21.73.532026-02-16 → 2026-03-14 · 3 obs

○ 2017-10-27 23:11:44
● 2026-02-16 10:09:24
● 2026-03-14 23:54:16

○A162.255.119.392017-10-27 → 2017-10-27 · 3 obs

● 2017-10-27 23:11:44
○ 2026-02-16 10:09:24
○ 2026-03-14 23:54:16

●A172.67.158.652026-02-16 → 2026-03-14 · 3 obs

○ 2017-10-27 23:11:44
● 2026-02-16 10:09:24
● 2026-03-14 23:54:16

●A2606:4700:3030::ac43:9e412026-02-16 → 2026-03-14 · 3 obs

○ 2017-10-27 23:11:44
● 2026-02-16 10:09:24
● 2026-03-14 23:54:16

●A2606:4700:3031::6815:49352026-02-16 → 2026-03-14 · 3 obs

○ 2017-10-27 23:11:44
● 2026-02-16 10:09:24
● 2026-03-14 23:54:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sematraining.com	coco.ns.cloudflare.com, dion.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.104

NS records: coco.ns.cloudflare.com, dion.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sematraining.com (unsigned zone)

⏱️ Timing

Total: 114ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.158.65, 104.21.73.53`
AAAA	2	`2606:4700:3031::6815:4935, 2606:4700:3030::ac43:9e41`
NS	2	`coco.ns.cloudflare.com, dion.ns.cloudflare.com`
TXT	1	`google-site-verification=bKCGsyWVyPuFRf5`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coco.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sematraining.com points to four IP numbers: 2606:4700:3030::ac43:9e41, 2606:4700:3031::6815:4935, 104.21.73.53 and 172.67.158.65.

Other host names, for instance www.bestcasinocharts.com, smtp.unihorizontes.br, bwrsgfddntr521.icu, bestcasinocharts.com and websocket.in share IP numbers with sematraining.com.

Name Servers

Delegation for sematraining.com rests with two name servers, coco.ns.cloudflare.com and dion.ns.cloudflare.com.

sematraining.com shares the same name server setup as other domains, including americanbusiness.online, gogo-bets.com, pttqov.sbs, hellotargeting.com and heroinefun.org.

sematraining.com at least partially shares name servers with other domains, for instance kbve.com, techive.in, ordwaylabs.com, wsx.gr and b9af8e0a3197.com.

These name servers are commonly used with the name servers ernest.ns.cloudflare.com.

Host names with six IP numbers: coco.ns.cloudflare.com points to: 2606:4700:50::adf5:3a68, 2803:f800:50::6ca2:c068, 2a06:98c1:50::ac40:2068, 108.162.192.104, 172.64.32.104 and 173.245.58.104. dion.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9c, 2803:f800:50::6ca2:c19c, 2a06:98c1:50::ac40:219c, 108.162.193.156, 172.64.33.156 and 173.245.59.156.

sematraining.com - robtex.com