`drugtestingcourses.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:57f8^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:ab89^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.248^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.137^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eva.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a72^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c072^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eva.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2072^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eva.ns.cloudflare.com`
		A	108.162.192.114^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	172.64.32.114^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	173.245.58.114^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
NS	`george.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`george.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`george.ns.cloudflare.com`
		A	108.162.193.167^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	172.64.33.167^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	173.245.59.167^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁴⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=OJuUGt5Uwz-85xjNyRceYykz1gAydON8p5gPEYTX-Wk`
TXT	`google-site-verification=gd1TnmA_vCwbQ7TlpXsLvNSf-0Fc_RuEpUcxAvCdqaA`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.248, 172.67.171.137
		IPv6 hints	2606:4700:3033::6815:57f8, 2606:4700:3036::ac43:ab89
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com
SOA	`eva.ns.cloudflare.com`dns@cloudflare.com serial=2400057184

`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=1776248142

Same first word

drugtestingcourses.com

DNS History

23 records (9 active, 14 former)

●NSeva.ns.cloudflare.com2026-02-19 → 2026-04-15 · 3 obs

○ 2020-02-13 14:15:02
● 2026-02-19 14:15:46
● 2026-04-15 10:39:54

●NSgeorge.ns.cloudflare.com2026-02-19 → 2026-04-15 · 3 obs

○ 2020-02-13 14:15:02
● 2026-02-19 14:15:46
● 2026-04-15 10:39:54

○NSns1.vm3222.sgvps.net2015-08-18 → 2020-02-13 · 4 obs

● 2015-08-18 14:35:52
● 2020-02-13 14:15:02
○ 2026-02-19 14:15:46
○ 2026-04-15 10:39:54

○NSns2.vm3222.sgvps.net2015-08-18 → 2020-02-13 · 4 obs

● 2015-08-18 14:35:52
● 2020-02-13 14:15:02
○ 2026-02-19 14:15:46
○ 2026-04-15 10:39:54

○MXalt1.aspmx.l.google.com2015-08-18 → 2020-02-13 · 4 obs

● 2015-08-18 14:35:52
● 2020-02-13 14:15:02
○ 2026-02-19 14:15:46
○ 2026-04-15 10:39:54

○MXalt2.aspmx.l.google.com2015-08-18 → 2020-02-13 · 4 obs

● 2015-08-18 14:35:52
● 2020-02-13 14:15:02
○ 2026-02-19 14:15:46
○ 2026-04-15 10:39:54

○MXalt3.aspmx.l.google.com2015-08-18 → 2020-02-13 · 4 obs

● 2015-08-18 14:35:52
● 2020-02-13 14:15:02
○ 2026-02-19 14:15:46
○ 2026-04-15 10:39:54

○MXalt4.aspmx.l.google.com2015-08-18 → 2020-02-13 · 4 obs

● 2015-08-18 14:35:52
● 2020-02-13 14:15:02
○ 2026-02-19 14:15:46
○ 2026-04-15 10:39:54

○MXaspmx.l.google.com2015-08-18 → 2020-02-13 · 4 obs

● 2015-08-18 14:35:52
● 2020-02-13 14:15:02
○ 2026-02-19 14:15:46
○ 2026-04-15 10:39:54

●MXroute1.mx.cloudflare.net2026-02-19 → 2026-04-15 · 3 obs

○ 2020-02-13 14:15:02
● 2026-02-19 14:15:46
● 2026-04-15 10:39:54

●MXroute2.mx.cloudflare.net2026-02-19 → 2026-04-15 · 3 obs

○ 2020-02-13 14:15:02
● 2026-02-19 14:15:46
● 2026-04-15 10:39:54

●MXroute3.mx.cloudflare.net2026-02-19 → 2026-04-15 · 3 obs

○ 2020-02-13 14:15:02
● 2026-02-19 14:15:46
● 2026-04-15 10:39:54

●A104.21.87.2482026-02-19 → 2026-04-15 · 75 obs

○ 2020-02-13 14:15:02
● 2026-02-19 14:15:46
● 2026-02-19 18:21:38
○ 2026-02-19 23:36:48
● 2026-02-20 00:42:24
● 2026-02-28 05:30:08
○ 2026-03-01 11:34:40
● 2026-03-01 16:51:14
● 2026-03-02 17:53:04
○ 2026-03-03 07:08:16
● 2026-03-03 07:52:10
● 2026-03-06 07:59:46
○ 2026-03-06 08:55:28
○ 2026-03-07 01:56:44
● 2026-03-07 10:10:54
● 2026-03-07 20:09:30
○ 2026-03-08 09:07:32
○ 2026-03-08 10:25:50
● 2026-03-09 05:55:24
○ 2026-03-09 14:42:38
● 2026-03-09 16:23:30
○ 2026-03-10 03:39:58
○ 2026-03-11 15:40:28
● 2026-03-13 10:40:36
● 2026-03-13 23:50:40
○ 2026-03-14 00:53:24
○ 2026-03-14 07:43:20
● 2026-03-14 13:37:22
○ 2026-03-14 17:19:24
● 2026-03-14 22:25:02
● 2026-03-15 11:34:00
○ 2026-03-15 16:36:16
○ 2026-03-15 18:18:30
● 2026-03-16 00:25:10
○ 2026-03-17 05:47:56
● 2026-03-17 14:27:34
○ 2026-03-17 15:17:12
● 2026-03-17 19:20:18
○ 2026-03-19 17:11:22
● 2026-03-20 11:35:22
○ 2026-03-21 03:04:14
○ 2026-03-22 01:58:52
● 2026-03-22 21:26:40
○ 2026-03-23 04:16:34
○ 2026-03-23 19:26:14
● 2026-03-24 17:59:50
● 2026-03-25 13:41:22
○ 2026-03-25 21:06:46
● 2026-03-26 07:44:50
○ 2026-03-26 08:44:48
● 2026-03-26 11:27:28
○ 2026-03-26 13:10:52
● 2026-03-27 01:43:58
○ 2026-03-27 02:28:36
● 2026-03-27 04:50:56
○ 2026-03-28 03:08:06
○ 2026-03-29 22:44:52
● 2026-03-30 02:49:24
○ 2026-03-30 20:27:34
○ 2026-04-03 09:15:30
● 2026-04-04 17:55:46
○ 2026-04-05 07:30:12
○ 2026-04-06 20:51:22
● 2026-04-08 01:03:06
○ 2026-04-09 03:25:16
○ 2026-04-09 16:59:08
● 2026-04-10 17:43:32
○ 2026-04-11 07:40:20
○ 2026-04-12 03:12:26
● 2026-04-13 05:47:06
● 2026-04-13 19:41:56
○ 2026-04-13 21:14:50
○ 2026-04-14 18:18:38
● 2026-04-15 08:18:22
● 2026-04-15 10:39:54

●A172.67.171.1372026-02-19 → 2026-04-15 · 75 obs

○A185.62.238.592015-08-18 → 2017-03-26 · 7 obs

● 2015-08-18 14:35:52
● 2015-12-20 19:58:26
○ 2016-03-20 06:22:04
● 2016-07-12 19:15:38
● 2017-03-26 17:11:56
○ 2020-02-13 14:15:02
○ 2026-04-15 10:39:54

○A188.114.96.02026-02-19 → 2026-04-14 · 73 obs

○ 2026-02-19 18:21:38
● 2026-02-19 23:36:48
○ 2026-02-20 00:42:24
○ 2026-02-28 05:30:08
● 2026-03-01 11:34:40
○ 2026-03-01 16:51:14
○ 2026-03-02 17:53:04
● 2026-03-03 07:08:16
○ 2026-03-03 07:52:10
○ 2026-03-06 07:59:46
● 2026-03-06 08:55:28
● 2026-03-07 01:56:44
○ 2026-03-07 10:10:54
○ 2026-03-07 20:09:30
● 2026-03-08 09:07:32
● 2026-03-08 10:25:50
○ 2026-03-09 05:55:24
● 2026-03-09 14:42:38
○ 2026-03-09 16:23:30
● 2026-03-10 03:39:58
● 2026-03-11 15:40:28
○ 2026-03-13 10:40:36
○ 2026-03-13 23:50:40
● 2026-03-14 00:53:24
● 2026-03-14 07:43:20
○ 2026-03-14 13:37:22
● 2026-03-14 17:19:24
○ 2026-03-14 22:25:02
○ 2026-03-15 11:34:00
● 2026-03-15 16:36:16
● 2026-03-15 18:18:30
○ 2026-03-16 00:25:10
● 2026-03-17 05:47:56
○ 2026-03-17 14:27:34
● 2026-03-17 15:17:12
○ 2026-03-17 19:20:18
● 2026-03-19 17:11:22
○ 2026-03-20 11:35:22
● 2026-03-21 03:04:14
● 2026-03-22 01:58:52
○ 2026-03-22 21:26:40
● 2026-03-23 04:16:34
● 2026-03-23 19:26:14
○ 2026-03-24 17:59:50
○ 2026-03-25 13:41:22
● 2026-03-25 21:06:46
○ 2026-03-26 07:44:50
● 2026-03-26 08:44:48
○ 2026-03-26 11:27:28
● 2026-03-26 13:10:52
○ 2026-03-27 01:43:58
● 2026-03-27 02:28:36
○ 2026-03-27 04:50:56
● 2026-03-28 03:08:06
● 2026-03-29 22:44:52
○ 2026-03-30 02:49:24
● 2026-03-30 20:27:34
● 2026-04-03 09:15:30
○ 2026-04-04 17:55:46
● 2026-04-05 07:30:12
● 2026-04-06 20:51:22
○ 2026-04-08 01:03:06
● 2026-04-09 03:25:16
● 2026-04-09 16:59:08
○ 2026-04-10 17:43:32
● 2026-04-11 07:40:20
● 2026-04-12 03:12:26
○ 2026-04-13 05:47:06
○ 2026-04-13 19:41:56
● 2026-04-13 21:14:50
● 2026-04-14 18:18:38
○ 2026-04-15 08:18:22
○ 2026-04-15 10:39:54

○A188.114.97.02026-02-19 → 2026-04-14 · 73 obs

○A192.124.249.132016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-20 19:58:26
● 2016-03-20 06:22:04
○ 2016-07-12 19:15:38
○ 2026-04-15 10:39:54

●A2606:4700:3033::6815:57f82026-02-19 → 2026-04-15 · 75 obs

●A2606:4700:3036::ac43:ab892026-02-19 → 2026-04-15 · 75 obs

○A2a06:98c1:3120::2026-02-19 → 2026-04-14 · 73 obs

○A2a06:98c1:3121::2026-02-19 → 2026-04-14 · 73 obs

○A35.208.214.1972020-02-13 → 2020-02-13 · 4 obs

○ 2017-03-26 17:11:56
● 2020-02-13 14:15:02
○ 2026-02-19 14:15:46
○ 2026-04-15 10:39:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
drugtestingcourses.com	eva.ns.cloudflare.com, george.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.114

NS records: eva.ns.cloudflare.com, george.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.171.137, 104.21.87.248`
AAAA	2	`2606:4700:3036::ac43:ab89, 2606:4700:3033::6815:57f8`
NS	2	`eva.ns.cloudflare.com, george.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 20), route2.mx.cloudflare.net (pri: 49)...`
TXT	3	`google-site-verification=OJuUGt5Uwz-85xj, google-site-verification=gd1TnmA_vCwbQ7T...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eva.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

drugtestingcourses.com maps to four IP numbers: 2606:4700:3033::6815:57f8, 2606:4700:3036::ac43:ab89, 104.21.87.248 and 172.67.171.137.

other host names include sxen3gr.qwibz.biz, agentpoints.com, mail.intra-net.ro, ouceti.com and pl-oferta7492639.click; they share IP numbers with drugtestingcourses.com.

Name Servers

Two name servers eva.ns.cloudflare.com and george.ns.cloudflare.com handle the delegation for drugtestingcourses.com.

drugtestingcourses.com shares the same name server setup as other domains, for instance elaiho.com, dotreasonablesuspicion.com, bringhelp.com, drugstestingcourses.com and jwmechanical.com.

drugtestingcourses.com at least partially shares name servers with other domains, for instance kohchangdivesupply.com, salvobistro.com, cmhuawei.com, katrande.org and ktb.pw.

These name servers are commonly used with igor.ns.cloudflare.com and mark.ns.cloudflare.com.

Six IP addresses per host:

eva.ns.cloudflare.com points to 2606:4700:50::adf5:3a72, 2803:f800:50::6ca2:c072, 2a06:98c1:50::ac40:2072, 108.162.192.114, 172.64.32.114 and 173.245.58.114; george.ns.cloudflare.com points to 2606:4700:58::adf5:3ba7, 2803:f800:50::6ca2:c1a7, 2a06:98c1:50::ac40:21a7, 108.162.193.167, 172.64.33.167 and 173.245.59.167

Mail Servers

Three mail servers handle drugtestingcourses.com: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

drugtestingcourses.com shares at least partially some mail servers with other domains, for instance cityloanhub.com, shortestdomain.com, mxdmxd.com, rosascarlatta.com and gpton.co.

Host names with six IP numbers:

- route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

- route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

- route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

drugtestingcourses.com - robtex.com