dlcourses.com - dns.ninja

`dlcourses.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:976a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:58a6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.88.166^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.106^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brianna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brianna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brianna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brianna.ns.cloudflare.com`
		A	108.162.192.245^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brianna.ns.cloudflare.com`
		A	172.64.32.245^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brianna.ns.cloudflare.com`
		A	173.245.58.245^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brianna.ns.cloudflare.com`
NS	`nicolas.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c354^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nicolas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2354^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nicolas.ns.cloudflare.com`
		A	108.162.195.84^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	162.159.44.84^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	172.64.35.84^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
MX	`_dc-mx.e4ccaa2d36e5.dlcourses.com` ⭐
		A	185.66.140.182^{🇧🇿 KnownSRV185.66.140.0/24 LTD}
TXT	`v=spf1 +a +mx +ip4:185.66.140.170 include:relay.mailchannels.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.88.166, 172.67.151.106
		IPv6 hints	2606:4700:3032::ac43:976a, 2606:4700:3037::6815:58a6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`brianna.ns.cloudflare.com`dns@cloudflare.com serial=2410243412

`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=1785381647

Same first word

dlcourses.com

Similar names

dslsource.com

ssclouder.com

lesducros.com

cloudress.com

dslsource.co.uk

DNS History

13 records (7 active, 6 former)

●NSbrianna.ns.cloudflare.com2026-06-02 → 2026-07-30 · 3 obs

○ 2017-12-13 03:54:30
● 2026-06-02 16:20:56
● 2026-07-30 03:51:34

●NSnicolas.ns.cloudflare.com2026-06-02 → 2026-07-30 · 3 obs

○ 2017-12-13 03:54:30
● 2026-06-02 16:20:56
● 2026-07-30 03:51:34

○NSns0.lcn.com2016-12-19 → 2017-12-13 · 4 obs

● 2016-12-19 21:22:42
● 2017-12-13 03:54:30
○ 2026-06-02 16:20:56
○ 2026-07-30 03:51:34

○NSns1.lcn.com2016-12-19 → 2017-12-13 · 4 obs

● 2016-12-19 21:22:42
● 2017-12-13 03:54:30
○ 2026-06-02 16:20:56
○ 2026-07-30 03:51:34

●MX_dc-mx.e4ccaa2d36e5.dlcourses.com2026-06-02 → 2026-07-30 · 3 obs

○ 2017-12-13 03:54:30
● 2026-06-02 16:20:56
● 2026-07-30 03:51:34

○MXmailforward.lcn.com2016-12-19 → 2017-12-13 · 4 obs

● 2016-12-19 21:22:42
● 2017-12-13 03:54:30
○ 2026-06-02 16:20:56
○ 2026-07-30 03:51:34

●A104.21.88.1662026-06-02 → 2026-07-30 · 3 obs

○ 2017-12-13 03:54:30
● 2026-06-02 16:20:56
● 2026-07-30 03:51:34

●A172.67.151.1062026-06-02 → 2026-07-30 · 3 obs

○ 2017-12-13 03:54:30
● 2026-06-02 16:20:56
● 2026-07-30 03:51:34

○A2606:4700:3030::6815:58a62026-06-02 → 2026-06-02 · 4 obs

○ 2017-12-13 03:54:30
● 2026-06-02 16:20:56
○ 2026-06-21 12:49:36
○ 2026-07-30 03:51:34

○A2606:4700:3031::ac43:976a2026-06-02 → 2026-06-02 · 4 obs

○ 2017-12-13 03:54:30
● 2026-06-02 16:20:56
○ 2026-06-21 12:49:36
○ 2026-07-30 03:51:34

●A2606:4700:3032::ac43:976a2026-06-21 → 2026-07-30 · 3 obs

○ 2026-06-02 16:20:56
● 2026-06-21 12:49:36
● 2026-07-30 03:51:34

●A2606:4700:3037::6815:58a62026-06-21 → 2026-07-30 · 3 obs

○ 2026-06-02 16:20:56
● 2026-06-21 12:49:36
● 2026-07-30 03:51:34

○A94.126.40.1542016-12-19 → 2017-12-13 · 4 obs

● 2016-12-19 21:22:42
● 2017-12-13 03:54:30
○ 2026-06-02 16:20:56
○ 2026-07-30 03:51:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
dlcourses.com	brianna.ns.cloudflare.com, nicolas.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.84

NS records: brianna.ns.cloudflare.com, nicolas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dlcourses.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.151.106, 104.21.88.166`
AAAA	2	`2606:4700:3032::ac43:976a, 2606:4700:3037::6815:58a6`
NS	2	`brianna.ns.cloudflare.com, nicolas.ns.cloudflare.com`
MX	1	`_dc-mx.e4ccaa2d36e5.dlcourses.com (pri:`
TXT	1	`v=spf1 +a +mx +ip4:185.66.140.170 includ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brianna.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dlcourses.com has four IP addresses: 104.21.88.166, 172.67.151.106, 2606:4700:3032::ac43:976a and 2606:4700:3037::6815:58a6.

Two other host names, along with console.se, grupoblank.com and estelleetguillaume.com, also share IP numbers with dlcourses.com.

Name Servers

dlcourses.com has two authoritative name servers — brianna.ns.cloudflare.com and nicolas.ns.cloudflare.com.

dlcourses.com shares its NS records with other domains, for example cubuzoa.com, lundmarkadvertising.com, ncjrs.org and two others.

dlcourses.com partially shares its NS delegation with several other domains, including casinorocket-aus.com, ed01.de, gay(0x706f726e)(0x626f6e64616765).xyz and two others.

These name servers are regularly seen alongside sureena.ns.cloudflare.com and sara.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

brianna.ns.cloudflare.com points to 108.162.192.245, 172.64.32.245, 173.245.58.245 and 3 other IP addresses.

nicolas.ns.cloudflare.com points to 108.162.195.84, 162.159.44.84, 172.64.35.84 and 3 other IP addresses.

Mail Servers

The sole mail server for dlcourses.com is _dc-mx.e4ccaa2d36e5.dlcourses.com.

_dc-mx.e4ccaa2d36e5.dlcourses.com points to one IP number — 185.66.140.182.