csharpuniversity.com - dns.ninja

`csharpuniversity.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:b294^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:23b7^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.183^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.148^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rommy.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c14^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c314^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rommy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2314^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rommy.ns.cloudflare.com`
		A	108.162.195.20^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	162.159.44.20^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	172.64.35.20^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
NS	`veda.ns.cloudflare.com`
		A	2606:4700:50::a29f:2693^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c293^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`veda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2293^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`veda.ns.cloudflare.com`
		A	108.162.194.147^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	162.159.38.147^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	172.64.34.147^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽²⁶⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁷¹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.35.183, 172.67.178.148
		IPv6 hints	2606:4700:3034::ac43:b294, 2606:4700:3037::6815:23b7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com
SOA	`rommy.ns.cloudflare.com`dns@cloudflare.com serial=2411224704

`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=1785782207

Same first word

csharpuniversity.com

DNS History

22 records (9 active, 13 former)

○NSdns101.registrar-servers.com2026-07-09 → 2026-08-03 · 2 obs

○ 2026-07-09 01:10:38
○ 2026-08-03 18:50:12

○NSdns102.registrar-servers.com2026-07-09 → 2026-08-03 · 2 obs

○ 2026-07-09 01:10:38
○ 2026-08-03 18:50:12

○NSns1.cloudns.net2015-06-29 → 2016-06-30 · 4 obs

● 2015-06-29 01:05:22
● 2016-06-30 11:53:20
○ 2017-02-17 01:54:30
○ 2026-08-03 18:50:12

○NSpns1.cloudns.net2015-11-10 → 2016-06-30 · 5 obs

○ 2015-06-29 01:05:22
● 2015-11-10 07:03:00
● 2016-06-30 11:53:20
○ 2017-02-17 01:54:30
○ 2026-08-03 18:50:12

○NSpns2.cloudns.net2015-11-10 → 2016-06-30 · 5 obs

○ 2015-06-29 01:05:22
● 2015-11-10 07:03:00
● 2016-06-30 11:53:20
○ 2017-02-17 01:54:30
○ 2026-08-03 18:50:12

○NSpns3.cloudns.net2015-11-10 → 2016-06-30 · 5 obs

○ 2015-06-29 01:05:22
● 2015-11-10 07:03:00
● 2016-06-30 11:53:20
○ 2017-02-17 01:54:30
○ 2026-08-03 18:50:12

○NSpns8.cloudns.net2015-11-10 → 2016-06-30 · 5 obs

○ 2015-06-29 01:05:22
● 2015-11-10 07:03:00
● 2016-06-30 11:53:20
○ 2017-02-17 01:54:30
○ 2026-08-03 18:50:12

●NSrommy.ns.cloudflare.com2026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

●NSveda.ns.cloudflare.com2026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

○MXmail.b-io.co2016-02-12 → 2016-06-30 · 4 obs

● 2016-02-12 22:06:20
● 2016-06-30 11:53:20
○ 2017-02-17 01:54:30
○ 2026-08-03 18:50:12

○MXmx.plingest.com2026-07-09 → 2026-08-03 · 2 obs

○ 2026-07-09 01:10:38
○ 2026-08-03 18:50:12

●MXroute1.mx.cloudflare.net2026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

●MXroute2.mx.cloudflare.net2026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

●MXroute3.mx.cloudflare.net2026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

●A104.21.35.1832026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

○A172.234.24.2112026-07-09 → 2026-08-03 · 2 obs

○ 2026-07-09 01:10:38
○ 2026-08-03 18:50:12

○A172.239.57.1172026-07-09 → 2026-08-03 · 2 obs

○ 2026-07-09 01:10:38
○ 2026-08-03 18:50:12

●A172.67.178.1482026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

●A2606:4700:3034::ac43:b2942026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

●A2606:4700:3037::6815:23b72026-07-09 → 2026-08-03 · 3 obs

○ 2017-02-17 01:54:30
● 2026-07-09 01:10:38
● 2026-08-03 18:50:12

○A5.61.39.562015-06-29 → 2015-11-10 · 4 obs

● 2015-06-29 01:05:22
● 2015-11-10 07:03:00
○ 2016-02-12 22:06:20
○ 2026-08-03 18:50:12

○A54.72.9.512016-02-12 → 2016-06-30 · 5 obs

○ 2015-11-10 07:03:00
● 2016-02-12 22:06:20
● 2016-06-30 11:53:20
○ 2017-02-17 01:54:30
○ 2026-08-03 18:50:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
csharpuniversity.com	veda.ns.cloudflare.com, rommy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.147

NS records: veda.ns.cloudflare.com, rommy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csharpuniversity.com (unsigned zone)

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.178.148, 104.21.35.183`
AAAA	2	`2606:4700:3034::ac43:b294, 2606:4700:3037::6815:23b7`
NS	2	`rommy.ns.cloudflare.com, veda.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 26), route2.mx.cloudflare.net (pri: 71)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rommy.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

csharpuniversity.com resolves to four IP addresses: 104.21.35.183, 172.67.178.148, 2606:4700:3034::ac43:b294 and 2606:4700:3037::6815:23b7.

Two other host names, along with polfurs.org, thefishfly.com and robertputt.co.uk, also share IP numbers with csharpuniversity.com.

Name Servers

csharpuniversity.com has two authoritative name servers — rommy.ns.cloudflare.com and veda.ns.cloudflare.com.

csharpuniversity.com shares its NS records with other domains, for example dao-asi.vip, primaaurora.com, mbds-fr.org and two others.

csharpuniversity.com partially shares its NS delegation with several other domains, including younglabour.nz, casinoprom-sikayetvar.com, 0u5wxazf0b.top and two others.

These name servers are regularly seen alongside ganz.ns.cloudflare.com and cleo.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

rommy.ns.cloudflare.com points to 108.162.195.20, 162.159.44.20, 172.64.35.20 and 3 other IP addresses.

veda.ns.cloudflare.com points to 108.162.194.147, 162.159.38.147, 172.64.34.147 and 3 other IP addresses.

Mail Servers

csharpuniversity.com uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between csharpuniversity.com and other domains, including colab24.ro, youngmenforarlington.org, izbushka.com and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.