`learn-csharp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2cec^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:cd3f^{🇺🇸 Cloudflare2606:4700:3037::/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	3.223.93.12^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-223-93-12.compute-1.amazonaws.com`
		A	34.195.53.246^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-195-53-246.compute-1.amazonaws.com`
		A	34.196.168.106^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-196-168-106.compute-1.amazonaws.com`
MX	`mx2.titan.email` ⭐
		A	3.223.93.12^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-223-93-12.compute-1.amazonaws.com`
		A	34.195.53.246^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-195-53-246.compute-1.amazonaws.com`
		A	34.196.168.106^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-196-168-106.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	2606:4700:3031::6815:2cec, 2606:4700:3037::ac43:cd3f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com
SOA	`demi.ns.cloudflare.com`dns@cloudflare.com serial=2399970521

`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=1776214977

⚠️ On DNS blocklist: tif

Same first word

learn-csharp.ir

learn-csharp.com

DNS History

8 records (8 active, 0 former)

●NSdemi.ns.cloudflare.com2026-04-01 → 2026-04-15 · 2 obs

● 2026-04-01 20:35:18
● 2026-04-15 01:30:30

●NSseth.ns.cloudflare.com2026-04-01 → 2026-04-15 · 2 obs

● 2026-04-01 20:35:18
● 2026-04-15 01:30:30

●MXmx1.titan.email2026-04-01 → 2026-04-15 · 2 obs

● 2026-04-01 20:35:18
● 2026-04-15 01:30:30

●MXmx2.titan.email2026-04-01 → 2026-04-15 · 2 obs

● 2026-04-01 20:35:18
● 2026-04-15 01:30:30

●A104.21.44.2362026-04-01 → 2026-04-15 · 2 obs

● 2026-04-01 20:35:18
● 2026-04-15 01:30:30

●A172.67.205.632026-04-01 → 2026-04-15 · 2 obs

● 2026-04-01 20:35:18
● 2026-04-15 01:30:30

●A2606:4700:3031::6815:2cec2026-04-01 → 2026-04-15 · 2 obs

● 2026-04-01 20:35:18
● 2026-04-15 01:30:30

●A2606:4700:3037::ac43:cd3f2026-04-01 → 2026-04-15 · 2 obs

● 2026-04-01 20:35:18
● 2026-04-15 01:30:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.44.236, 172.67.205.63`
AAAA	2	`2606:4700:3031::6815:2cec, 2606:4700:3037::ac43:cd3f`
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 numbers: 2606:4700:3031::6815:2cec, 2606:4700:3037::ac43:cd3f, 104.21.44.236 and 172.67.205.63.

other host names for instance panamapapers.dk, basementjazz.dk, bvf.pt, bonduni.cn and www.no-tillfarmer.com share IP numbers with learn-csharp.com.

Name Servers

learn-csharp.com is delegated to two name servers: demi.ns.cloudflare.com and seth.ns.cloudflare.com.

learn-csharp.com shares the same name server setup as other domains, for example westalgarve-apartments.com, teckurl.click, sysfeather.com, hackdash.co and traffic1m.net.

learn-csharp.com at least partially shares name servers with other domains, for instance gosolutions.com, itrsl.com, forumzamparalar666.xyz, tumbet785.com and aoben.net.

Host names with six IP numbers:

demi.ns.cloudflare.com points to: 2606:4700:50::adf5:3a5f, 2803:f800:50::6ca2:c05f, 2a06:98c1:50::ac40:205f, 108.162.192.95, 172.64.32.95 and 173.245.58.95; seth.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8e, 2803:f800:50::6ca2:c18e, 2a06:98c1:50::ac40:218e, 108.162.193.142, 172.64.33.142 and 173.245.59.142.

Mail Servers

learn-csharp.com is handled by two mail servers: mx1.titan.email and mx2.titan.email.

learn-csharp.com shares the same mail server setup as other domains, for instance pawellobacz.pl, grx3.com, vandesign.ca, rbid.com.au and blubirdholdings.com.