learn-csharp.com - dns.ninja

`learn-csharp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:2cec^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:cd3f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.44.236^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.63^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`demi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`demi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`demi.ns.cloudflare.com`
		A	108.162.192.95^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	172.64.32.95^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	173.245.58.95^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
NS	`seth.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`seth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`seth.ns.cloudflare.com`
		A	108.162.193.142^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	172.64.33.142^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	173.245.59.142^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
MX	`mx1.titan.email` ⭐
		A	3.209.71.101^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-209-71-101.compute-1.amazonaws.com`
		A	3.213.151.241^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-213-151-241.compute-1.amazonaws.com`
		A	52.87.104.218^{🇺🇸 Amazon52.86.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-87-104-218.compute-1.amazonaws.com`
MX	`mx2.titan.email` ⭐
		A	3.209.71.101^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-209-71-101.compute-1.amazonaws.com`
		A	3.213.151.241^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-213-151-241.compute-1.amazonaws.com`
		A	52.87.104.218^{🇺🇸 Amazon52.86.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-87-104-218.compute-1.amazonaws.com`
TXT	`v=spf1 include:spf.titan.email ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.44.236, 172.67.205.63
		IPv6 hints	2606:4700:3036::6815:2cec, 2606:4700:3036::ac43:cd3f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`demi.ns.cloudflare.com`dns@cloudflare.com serial=2406613003

`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=1782022240

⚠️ On DNS blocklist: tif

Same first word

learn-csharp.ir

learn-csharp.com

DNS History

10 records (8 active, 2 former)

●NSdemi.ns.cloudflare.com2026-04-01 → 2026-06-21 · 2 obs

● 2026-04-01 20:35:18
● 2026-06-21 06:12:28

●NSseth.ns.cloudflare.com2026-04-01 → 2026-06-21 · 2 obs

● 2026-04-01 20:35:18
● 2026-06-21 06:12:28

●MXmx1.titan.email2026-04-01 → 2026-06-21 · 2 obs

● 2026-04-01 20:35:18
● 2026-06-21 06:12:28

●MXmx2.titan.email2026-04-01 → 2026-06-21 · 2 obs

● 2026-04-01 20:35:18
● 2026-06-21 06:12:28

●A104.21.44.2362026-04-01 → 2026-06-21 · 2 obs

● 2026-04-01 20:35:18
● 2026-06-21 06:12:28

●A172.67.205.632026-04-01 → 2026-06-21 · 2 obs

● 2026-04-01 20:35:18
● 2026-06-21 06:12:28

○A2606:4700:3031::6815:2cec2026-04-01 → 2026-06-15 · 4 obs

● 2026-04-01 20:35:18
● 2026-06-15 23:38:42
○ 2026-06-21 06:12:26
○ 2026-06-21 06:12:28

●A2606:4700:3036::6815:2cec2026-06-21 → 2026-06-21 · 3 obs

○ 2026-06-15 23:38:42
● 2026-06-21 06:12:26
● 2026-06-21 06:12:28

●A2606:4700:3036::ac43:cd3f2026-06-21 → 2026-06-21 · 3 obs

○ 2026-06-15 23:38:42
● 2026-06-21 06:12:26
● 2026-06-21 06:12:28

○A2606:4700:3037::ac43:cd3f2026-04-01 → 2026-06-15 · 4 obs

● 2026-04-01 20:35:18
● 2026-06-15 23:38:42
○ 2026-06-21 06:12:26
○ 2026-06-21 06:12:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
learn-csharp.com	seth.ns.cloudflare.com, demi.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.142

NS records: seth.ns.cloudflare.com, demi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learn-csharp.com (unsigned zone)

⏱️ Timing

Total: 187ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.205.63, 104.21.44.236`
AAAA	2	`2606:4700:3036::ac43:cd3f, 2606:4700:3036::6815:2cec`
NS	2	`demi.ns.cloudflare.com, seth.ns.cloudflare.com`
MX	2	`mx1.titan.email (pri: 10), mx2.titan.email (pri: 10)`
TXT	1	`v=spf1 include:spf.titan.email ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`demi.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

learn-csharp.com resolves to four IP addresses: 104.21.44.236, 172.67.205.63, 2606:4700:3036::6815:2cec and 2606:4700:3036::ac43:cd3f.

Additional host names — panamapapers.dk, basementjazz.dk, bvf.pt and two others — share IP numbers with learn-csharp.com.

Name Servers

learn-csharp.com has two authoritative name servers — demi.ns.cloudflare.com and seth.ns.cloudflare.com.

learn-csharp.com shares its name server setup with other domains, including westalgarve-apartments.com, teckurl.click, sysfeather.com and two others.

learn-csharp.com shares at least some of its name servers with other domains, including gosolutions.com, itrsl.com, forumzamparalar666.xyz and two others.

These name servers are frequently seen alongside the name servers davina.ns.cloudflare.com.

Host names with 6 IP numbers:

demi.ns.cloudflare.com points to 108.162.192.95, 172.64.32.95, 173.245.58.95 and 3 other IP addresses.

seth.ns.cloudflare.com points to 108.162.193.142, 172.64.33.142, 173.245.59.142 and 3 other IP addresses.

Mail Servers

learn-csharp.com has two mail servers: mx1.titan.email and mx2.titan.email.

learn-csharp.com shares the same mail server setup as other domains, including pawellobacz.pl, grx3.com, vandesign.ca and two others.

The mail servers of learn-csharp.com overlap at least partially with those of other domains, including dynatech2012.com, releelanau.com and fdigitalis.com.

Both mx1.titan.email and mx2.titan.email point to the same three IP addresses: 3.209.71.101, 3.213.151.241 and 52.87.104.218.

The host names mx1.titan.email and mx2.titan.email both resolve to 3.209.71.101 IP addresses.

The host names mx1.titan.email and mx2.titan.email both resolve to 3.213.151.241 IP addresses.

The host names mx1.titan.email and mx2.titan.email both resolve to 52.87.104.218 IP addresses.