languagecourse.net - dns.ninja

`languagecourse.net`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:a45^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700:20::681a:b45^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700:20::ac43:48ab^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.26.10.69^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.26.11.69^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	172.67.72.171^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`adel.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c037^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2037^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adel.ns.cloudflare.com`
		A	108.162.192.55^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	172.64.32.55^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	173.245.58.55^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
NS	`doug.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
MX	`mxlb.ispgateway.de`⁽¹⁰⁰⁾
		A	80.67.18.126^{🇩🇪 GD-EMEA-DC-CGN180.67.16.0/20 GD MASS Network}
			PTR	`mxlb.ispgateway.de`
TXT	`v=spf1 ip4:138.201.252.126 ip6:2a01:4f8:173:2349::2 ip4:138.201.252.85 ip6:2...`
SOA	`adel.ns.cloudflare.com`dns@cloudflare.com serial=2410016382

`net`

	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=1785304127

rank #108653 globally
rank #3394 in the tld
WOT: UNKNOWN (73/100)
📈 Tranco rank: #171,849

Subdomains

www.languagecourse.net

estatic.languagecourse.net

secure.languagecourse.net

segon.languagecourse.net

Same first word

languagecourse.net

Similar names

languagesource.com

DNS History

25 records (14 active, 11 former)

●NSadel.ns.cloudflare.com2015-11-06 → 2026-07-29 · 3 obs

○ 2015-06-25 02:03:44
● 2015-11-06 11:30:46
● 2026-07-29 05:51:08

●NSdoug.ns.cloudflare.com2015-11-06 → 2026-07-29 · 3 obs

○ 2015-06-25 02:03:44
● 2015-11-06 11:30:46
● 2026-07-29 05:51:08

○NSns.namespace4you.de2015-06-25 → 2015-06-25 · 3 obs

● 2015-06-25 02:03:44
○ 2015-11-06 11:30:46
○ 2026-07-29 05:51:08

○NSns2.namespace4you.de2015-06-25 → 2015-06-25 · 3 obs

● 2015-06-25 02:03:44
○ 2015-11-06 11:30:46
○ 2026-07-29 05:51:08

●MXalt1.aspmx.l.google.com2019-03-25 → 2026-07-29 · 3 obs

○ 2015-06-25 02:03:44
● 2019-03-25 19:41:36
● 2026-07-29 05:51:08

●MXalt2.aspmx.l.google.com2019-03-25 → 2026-07-29 · 3 obs

○ 2015-06-25 02:03:44
● 2019-03-25 19:41:36
● 2026-07-29 05:51:08

●MXalt3.aspmx.l.google.com2019-03-25 → 2026-07-29 · 3 obs

○ 2015-06-25 02:03:44
● 2019-03-25 19:41:36
● 2026-07-29 05:51:08

●MXalt4.aspmx.l.google.com2019-03-25 → 2026-07-29 · 3 obs

○ 2015-06-25 02:03:44
● 2019-03-25 19:41:36
● 2026-07-29 05:51:08

●MXaspmx.l.google.com2019-03-25 → 2026-07-29 · 3 obs

○ 2015-06-25 02:03:44
● 2019-03-25 19:41:36
● 2026-07-29 05:51:08

●MXmxlb.ispgateway.de2015-06-25 → 2026-07-29 · 2 obs

● 2015-06-25 02:03:44
● 2026-07-29 05:51:08

○A104.24.114.902019-03-25 → 2019-03-25 · 4 obs

○ 2017-09-30 07:40:04
● 2019-03-25 19:41:36
○ 2026-02-20 01:11:48
○ 2026-07-29 05:51:08

○A104.24.115.902019-03-25 → 2019-03-25 · 4 obs

○ 2017-09-30 07:40:04
● 2019-03-25 19:41:36
○ 2026-02-20 01:11:48
○ 2026-07-29 05:51:08

○A104.25.18.232015-11-06 → 2016-02-22 · 5 obs

○ 2015-06-25 02:03:44
● 2015-11-06 11:30:46
● 2016-02-22 13:45:16
○ 2016-06-19 23:48:46
○ 2026-07-29 05:51:08

○A104.25.19.232015-11-06 → 2016-02-22 · 5 obs

○ 2015-06-25 02:03:44
● 2015-11-06 11:30:46
● 2016-02-22 13:45:16
○ 2016-06-19 23:48:46
○ 2026-07-29 05:51:08

●A104.26.10.692026-02-20 → 2026-07-29 · 3 obs

○ 2019-03-25 19:41:36
● 2026-02-20 01:11:48
● 2026-07-29 05:51:08

●A104.26.11.692026-02-20 → 2026-07-29 · 3 obs

○ 2019-03-25 19:41:36
● 2026-02-20 01:11:48
● 2026-07-29 05:51:08

○A134.119.2.1522016-11-17 → 2017-07-24 · 5 obs

○ 2016-06-19 23:48:46
● 2016-11-17 18:40:06
● 2017-07-24 14:55:26
○ 2017-08-17 03:48:08
○ 2026-07-29 05:51:08

○A138.201.252.712017-08-17 → 2017-09-30 · 5 obs

○ 2017-07-24 14:55:26
● 2017-08-17 03:48:08
● 2017-09-30 07:40:04
○ 2019-03-25 19:41:36
○ 2026-07-29 05:51:08

○A141.0.19.312015-06-25 → 2016-06-19 · 6 obs

● 2015-06-25 02:03:44
○ 2015-11-06 11:30:46
○ 2016-02-22 13:45:16
● 2016-06-19 23:48:46
○ 2016-11-17 18:40:06
○ 2026-07-29 05:51:08

●A172.67.72.1712026-02-20 → 2026-07-29 · 3 obs

○ 2019-03-25 19:41:36
● 2026-02-20 01:11:48
● 2026-07-29 05:51:08

●A2606:4700:20::681a:a452026-02-20 → 2026-07-29 · 3 obs

○ 2019-03-25 19:41:36
● 2026-02-20 01:11:48
● 2026-07-29 05:51:08

●A2606:4700:20::681a:b452026-02-20 → 2026-07-29 · 3 obs

○ 2019-03-25 19:41:36
● 2026-02-20 01:11:48
● 2026-07-29 05:51:08

●A2606:4700:20::ac43:48ab2026-02-20 → 2026-07-29 · 3 obs

○ 2019-03-25 19:41:36
● 2026-02-20 01:11:48
● 2026-07-29 05:51:08

○A2606:4700:30::6818:725a2019-03-25 → 2019-03-25 · 4 obs

○ 2017-09-30 07:40:04
● 2019-03-25 19:41:36
○ 2026-02-20 01:11:48
○ 2026-07-29 05:51:08

○A2606:4700:30::6818:735a2019-03-25 → 2019-03-25 · 4 obs

○ 2017-09-30 07:40:04
● 2019-03-25 19:41:36
○ 2026-02-20 01:11:48
○ 2026-07-29 05:51:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
languagecourse.net	adel.ns.cloudflare.com, doug.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.55

NS records: adel.ns.cloudflare.com, doug.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for languagecourse.net (unsigned zone)

⏱️ Timing

Total: 660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.10.69, 172.67.72.171...`
AAAA	3	`2606:4700:20::681a:a45, 2606:4700:20::681a:b45...`
NS	2	`adel.ns.cloudflare.com, doug.ns.cloudflare.com`
MX	6	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 ip4:138.201.252.126 ip6:2a01:4f8`
SOA	1	`adel.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

languagecourse.net has four subdomains: www.languagecourse.net, estatic.languagecourse.net, secure.languagecourse.net and segon.languagecourse.net.

IP Addresses

languagecourse.net points to 6 IP addresses, including 104.26.10.69, 104.26.11.69 and 172.67.72.171, plus 3 other.

mooncalendar.astro-seek.com, api-staging.isharingapp.com, secure.languagecourse.net plus two other host names have IP numbers in common with languagecourse.net.

Name Servers

Two name servers handle the delegation for languagecourse.net: adel.ns.cloudflare.com and doug.ns.cloudflare.com.

The name server configuration of languagecourse.net is shared with other domains, for instance rosesweet.com, vocabulary-trainer.org, melchindesign.com and two others.

There is at least partial name server overlap between languagecourse.net and other domains — zoomafrique.com, housegood.com.tw, maucv.vn and two more among them.

These name servers tend to appear in combination with the name servers arch.ns.cloudflare.com, jack.ns.cloudflare.com, chan.ns.cloudflare.com and dane.ns.cloudflare.com.

Hosts with 6 IP addresses each:

adel.ns.cloudflare.com resolves to 108.162.192.55, 172.64.32.55 and 173.245.58.55 among others, with 3 other IP addresses in total.

doug.ns.cloudflare.com resolves to 108.162.193.159, 172.64.33.159 and 173.245.59.159 among others, with 3 other IP addresses in total.

Mail Servers

languagecourse.net accepts email via 6 mail servers: mxlb.ispgateway.de, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other.

At least some of the mail servers used by languagecourse.net are shared with other domains: kinetica.su, ns500768.ns500698.ns500698.ns500759.ns500698.ns500735.ns500698.ns500708.ns500576.ns500576.ns500708.ns500576.ns500619.ns500652.ns500619.trackreceptor.com, ns500754.ns500742.ns500671.ns500671.ns500704.ns500731.ns500678.lustychickser.com and two others among them.

These mail servers are often deployed together with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to two addresses: 172.253.122.26 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.

Host names resolving to a single IP address:

The hostname mxlb.ispgateway.de resolves to 80.67.18.126.