`adwordscourse.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:beb0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:2456^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.86^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.176^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`david.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b98^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`david.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c198^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`david.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2198^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`david.ns.cloudflare.com`
		A	108.162.193.152^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`david.ns.cloudflare.com`
		A	172.64.33.152^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`david.ns.cloudflare.com`
		A	173.245.59.152^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`david.ns.cloudflare.com`
NS	`leia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leia.ns.cloudflare.com`
		A	108.162.192.184^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leia.ns.cloudflare.com`
		A	172.64.32.184^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leia.ns.cloudflare.com`
		A	173.245.58.184^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leia.ns.cloudflare.com`
MX	`_dc-mx.4bb0200da226.adwordscourse.com` ⭐
		A	213.171.216.40^{🇬🇧 IONOS-AS213.171.192.0/19 Fasthosts Internet Ltd}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.86, 172.67.190.176
		IPv6 hints	2606:4700:3031::ac43:beb0, 2606:4700:3032::6815:2456
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=214, name=cloudflare-ech.com
SOA	`david.ns.cloudflare.com`dns@cloudflare.com serial=2402273648

`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=1778430396

Previously MX for

mail.adwordscourse.com

Subdomains

mail.adwordscourse.com

DNS History

26 records (7 active, 19 former)

●NSdavid.ns.cloudflare.com2020-02-14 → 2026-05-10 · 3 obs

○ 2016-07-12 05:54:44
● 2020-02-14 01:03:38
● 2026-05-10 16:50:12

●NSleia.ns.cloudflare.com2020-02-14 → 2026-05-10 · 3 obs

○ 2016-07-12 05:54:44
● 2020-02-14 01:03:38
● 2026-05-10 16:50:12

○NSns-cloud-a1.googledomains.com2016-03-15 → 2016-03-15 · 4 obs

○ 2015-11-22 09:55:22
● 2016-03-15 07:02:56
○ 2016-07-12 05:54:44
○ 2026-05-10 16:50:12

○NSns-cloud-a2.googledomains.com2016-03-15 → 2016-03-15 · 4 obs

○ 2015-11-22 09:55:22
● 2016-03-15 07:02:56
○ 2016-07-12 05:54:44
○ 2026-05-10 16:50:12

○NSns-cloud-a3.googledomains.com2016-03-15 → 2016-03-15 · 4 obs

○ 2015-11-22 09:55:22
● 2016-03-15 07:02:56
○ 2016-07-12 05:54:44
○ 2026-05-10 16:50:12

○NSns-cloud-a4.googledomains.com2016-03-15 → 2016-03-15 · 4 obs

○ 2015-11-22 09:55:22
● 2016-03-15 07:02:56
○ 2016-07-12 05:54:44
○ 2026-05-10 16:50:12

○NSns.servint.com2015-07-13 → 2015-11-22 · 5 obs

○ 2008-06-17 15:21:02
● 2015-07-13 10:12:00
● 2015-11-22 09:55:22
○ 2016-03-15 07:02:56
○ 2026-05-10 16:50:12

○NSns1.paulransom.com2016-07-12 → 2016-07-12 · 4 obs

○ 2016-03-15 07:02:56
● 2016-07-12 05:54:44
○ 2020-02-14 01:03:38
○ 2026-05-10 16:50:12

○NSns2.paulransom.com2016-07-12 → 2016-07-12 · 4 obs

○ 2016-03-15 07:02:56
● 2016-07-12 05:54:44
○ 2020-02-14 01:03:38
○ 2026-05-10 16:50:12

○NSns2.servint.com2015-07-13 → 2015-11-22 · 5 obs

○ 2008-06-17 15:21:02
● 2015-07-13 10:12:00
● 2015-11-22 09:55:22
○ 2016-03-15 07:02:56
○ 2026-05-10 16:50:12

○NSns3.5star-hosting.com2008-06-17 → 2008-06-17 · 3 obs

● 2008-06-17 15:21:02
○ 2015-07-13 10:12:00
○ 2026-05-10 16:50:12

○NSns4.5star-hosting.com2008-06-17 → 2008-06-17 · 3 obs

● 2008-06-17 15:21:02
○ 2015-07-13 10:12:00
○ 2026-05-10 16:50:12

●MX_dc-mx.4bb0200da226.adwordscourse.com2026-05-10 → 2026-05-10 · 3 obs

○ 2020-02-14 01:03:38
● 2026-05-10 16:50:10
● 2026-05-10 16:50:12

○MXadwordscourse.com2008-06-17 → 2016-07-12 · 4 obs

● 2008-06-17 15:21:02
● 2016-07-12 05:54:44
○ 2020-02-14 01:03:38
○ 2026-05-10 16:50:12

○MXdc-9297672d6fff.adwordscourse.com2020-02-14 → 2020-02-14 · 4 obs

○ 2016-07-12 05:54:44
● 2020-02-14 01:03:38
○ 2026-05-10 16:50:10
○ 2026-05-10 16:50:12

○A104.18.36.1392020-02-14 → 2020-02-14 · 4 obs

○ 2016-07-12 05:54:44
● 2020-02-14 01:03:38
○ 2026-05-10 16:50:10
○ 2026-05-10 16:50:12

○A104.18.37.1392020-02-14 → 2020-02-14 · 4 obs

○ 2016-07-12 05:54:44
● 2020-02-14 01:03:38
○ 2026-05-10 16:50:10
○ 2026-05-10 16:50:12

●A104.21.36.862026-05-10 → 2026-05-10 · 3 obs

○ 2020-02-14 01:03:38
● 2026-05-10 16:50:10
● 2026-05-10 16:50:12

●A172.67.190.1762026-05-10 → 2026-05-10 · 3 obs

○ 2020-02-14 01:03:38
● 2026-05-10 16:50:10
● 2026-05-10 16:50:12

●A2606:4700:3031::ac43:beb02026-05-10 → 2026-05-10 · 3 obs

○ 2020-02-14 01:03:38
● 2026-05-10 16:50:10
● 2026-05-10 16:50:12

○A2606:4700:3032::6812:248b2020-02-14 → 2020-02-14 · 4 obs

○ 2016-07-12 05:54:44
● 2020-02-14 01:03:38
○ 2026-05-10 16:50:10
○ 2026-05-10 16:50:12

●A2606:4700:3032::6815:24562026-05-10 → 2026-05-10 · 3 obs

○ 2020-02-14 01:03:38
● 2026-05-10 16:50:10
● 2026-05-10 16:50:12

○A2606:4700:3037::6812:258b2020-02-14 → 2020-02-14 · 4 obs

○ 2016-07-12 05:54:44
● 2020-02-14 01:03:38
○ 2026-05-10 16:50:10
○ 2026-05-10 16:50:12

○A64.131.75.212008-06-17 → 2008-06-17 · 3 obs

● 2008-06-17 15:21:02
○ 2015-07-13 10:12:00
○ 2026-05-10 16:50:12

○A64.64.22.2152015-07-13 → 2016-03-15 · 5 obs

○ 2008-06-17 15:21:02
● 2015-07-13 10:12:00
● 2016-03-15 07:02:56
○ 2016-07-12 05:54:44
○ 2026-05-10 16:50:12

○A96.30.5.1802016-07-12 → 2016-07-12 · 4 obs

○ 2016-03-15 07:02:56
● 2016-07-12 05:54:44
○ 2020-02-14 01:03:38
○ 2026-05-10 16:50:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
adwordscourse.com	david.ns.cloudflare.com, leia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.152

NS records: david.ns.cloudflare.com, leia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for adwordscourse.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.190.176, 104.21.36.86`
AAAA	2	`2606:4700:3032::6815:2456, 2606:4700:3031::ac43:beb0`
NS	2	`david.ns.cloudflare.com, leia.ns.cloudflare.com`
MX	1	`_dc-mx.4bb0200da226.adwordscourse.com (p`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`david.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

adwordscourse.com is the parent of mail.adwordscourse.com.

IP Addresses

Four IP numbers are pointed to by adwordscourse.com: 2606:4700:3031::ac43:beb0, 2606:4700:3032::6815:2456, 104.21.36.86 and 172.67.190.176.

other host names including mail.juliacelestini.com, millionsapple.com, bkbet09.com, www.panelpedia.net and slot97jpz7.com share IP numbers with adwordscourse.com.

Name Servers

adwordscourse.com is delegated to two name servers david.ns.cloudflare.com and leia.ns.cloudflare.com.

adwordscourse.com shares the same name server setup as other domains, for instance maddox.ae, overcislo.sk, u4kip.com, asg.studio and vapteke.ru.

adwordscourse.com at least partially shares name servers with other domains, for instance dreeschiropractic.com, roletki.biz, xn----7sbabaug7bby5a5a.xn--80adxhks, karakayamobilya.com and 1winpro.life.

These name servers are commonly used with osmar.ns.cloudflare.com, arya.ns.cloudflare.com and cullen.ns.cloudflare.com.

Host names with six IP numbers:

Host name david.ns.cloudflare.com points to: 2606:4700:58::adf5:3b98, 2803:f800:50::6ca2:c198, 2a06:98c1:50::ac40:2198, 108.162.193.152, 172.64.33.152 and 173.245.59.152.

Host name leia.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab8, 2803:f800:50::6ca2:c0b8, 2a06:98c1:50::ac40:20b8, 108.162.192.184, 172.64.32.184 and 173.245.58.184.

Mail Servers

adwordscourse.com is handled by a single mail server, _dc-mx.4bb0200da226.adwordscourse.com.

_dc-mx.4bb0200da226.adwordscourse.com resolves to IP 213.171.216.40.

adwordscourse.com - robtex.com