programmingintro.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programmingintro.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1b2f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a8e9^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.47^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.233^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`buck.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`buck.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`buck.ns.cloudflare.com`
		A	108.162.193.78^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	172.64.33.78^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	173.245.59.78^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
NS	`ivy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c078^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2078^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivy.ns.cloudflare.com`
		A	108.162.192.120^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	172.64.32.120^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	173.245.58.120^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
MX	`mx1-hosting.jellyfish.systems` ⭐
		A	162.255.118.28^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse3a.privateemail.com`
MX	`mx2-hosting.jellyfish.systems`⁽¹⁰⁾
		A	162.255.118.29^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse2b.privateemail.com`
MX	`mx3-hosting.jellyfish.systems`⁽²⁰⁾
		A	162.255.118.13^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx3-hosting.jellyfish.systems`
TXT	`v=spf1 +a +mx +ip4:185.61.153.121 +ip4:185.61.153.124 include:spf.web-hosting...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.47, 172.67.168.233
		IPv6 hints	2606:4700:3034::6815:1b2f, 2606:4700:3036::ac43:a8e9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com
SOA	`buck.ns.cloudflare.com`dns@cloudflare.com serial=2413456851

`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=1788453560

Same first word

programmingintro.com

Similar names

introprogramming.info

Previous names

Next names

DNS History

13 records (9 active, 4 former)

●NSbuck.ns.cloudflare.com2026-08-28 → 2026-09-03 · 2 obs

● 2026-08-28 21:29:10
● 2026-09-03 16:46:54

●NSivy.ns.cloudflare.com2026-08-28 → 2026-09-03 · 2 obs

● 2026-08-28 21:29:10
● 2026-09-03 16:46:54

●MXmx1-hosting.jellyfish.systems2026-08-28 → 2026-09-03 · 2 obs

● 2026-08-28 21:29:10
● 2026-09-03 16:46:54

●MXmx2-hosting.jellyfish.systems2026-08-28 → 2026-09-03 · 2 obs

● 2026-08-28 21:29:10
● 2026-09-03 16:46:54

●MXmx3-hosting.jellyfish.systems2026-08-28 → 2026-09-03 · 2 obs

● 2026-08-28 21:29:10
● 2026-09-03 16:46:54

●A104.21.27.472026-08-30 → 2026-09-03 · 3 obs

○ 2026-08-28 21:29:10
● 2026-08-30 23:58:42
● 2026-09-03 16:46:54

●A172.67.168.2332026-08-30 → 2026-09-03 · 3 obs

○ 2026-08-28 21:29:10
● 2026-08-30 23:58:42
● 2026-09-03 16:46:54

○A188.114.96.02026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 21:29:10
○ 2026-08-30 23:58:42
○ 2026-09-03 16:46:54

○A188.114.97.02026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 21:29:10
○ 2026-08-30 23:58:42
○ 2026-09-03 16:46:54

●A2606:4700:3034::6815:1b2f2026-08-30 → 2026-09-03 · 3 obs

○ 2026-08-28 21:29:10
● 2026-08-30 23:58:42
● 2026-09-03 16:46:54

●A2606:4700:3036::ac43:a8e92026-08-30 → 2026-09-03 · 3 obs

○ 2026-08-28 21:29:10
● 2026-08-30 23:58:42
● 2026-09-03 16:46:54

○A2a06:98c1:3120::2026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 21:29:10
○ 2026-08-30 23:58:42
○ 2026-09-03 16:46:54

○A2a06:98c1:3121::2026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 21:29:10
○ 2026-08-30 23:58:42
○ 2026-09-03 16:46:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net...	-
programmingintro.com	ivy.ns.cloudflare.com, buck.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.78

NS records: ivy.ns.cloudflare.com, buck.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programmingintro.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.168.233, 104.21.27.47`
AAAA	2	`2606:4700:3034::6815:1b2f, 2606:4700:3036::ac43:a8e9`
NS	2	`buck.ns.cloudflare.com, ivy.ns.cloudflare.com`
MX	3	`mx2-hosting.jellyfish.systems (pri: 10), mx3-hosting.jellyfish.systems (pri: 20)...`
TXT	1	`v=spf1 +a +mx +ip4:185.61.153.121 +ip4:1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`buck.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

programmingintro.com points to the four IP addresses 104.21.27.47, 172.67.168.233, 2606:4700:3034::6815:1b2f and 2606:4700:3036::ac43:a8e9.

6167com.com.br, incotone.it, emeership.com plus two other host names have IP numbers in common with programmingintro.com.

Name Servers

The NS records for programmingintro.com delegate to buck.ns.cloudflare.com and ivy.ns.cloudflare.com.

The name server configuration of programmingintro.com is shared with other domains, for instance chisomjoachim.workers.dev, roydejong.net, camping-profi.ch and two others.

At least some of programmingintro.com's name servers are shared with other domains, for example tedwatts.org, parchi.pk, piggininternet.com and two more.

These name servers tend to be used in conjunction with the name servers langston.ns.cloudflare.com.

Hosts with 6 IP addresses each:

buck.ns.cloudflare.com maps to 108.162.193.78, 172.64.33.78, 173.245.59.78 and 3 additional IP addresses.

ivy.ns.cloudflare.com maps to 108.162.192.120, 172.64.32.120, 173.245.58.120 and 3 additional IP addresses.

Mail Servers

The MX records for programmingintro.com list three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

At least some of the mail servers used by programmingintro.com are shared with other domains: oldmixtape.com, lonestarlamb.com, padukabet.world and two others among them.

mx1-hosting.jellyfish.systems has IP address 162.255.118.28, mx2-hosting.jellyfish.systems has IP address 162.255.118.29 and mx3-hosting.jellyfish.systems has IP address 162.255.118.13 — one address each.