programminginsider.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programminginsider.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:471^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8406^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.113^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.6^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`itzel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`itzel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`itzel.ns.cloudflare.com`
		A	108.162.194.42^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	162.159.38.42^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	172.64.34.42^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
NS	`major.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`major.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`major.ns.cloudflare.com`
		A	108.162.193.241^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	172.64.33.241^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	173.245.59.241^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4013:c1e::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f27.1e100.net`
		A	192.178.213.26^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4001:c21::1a^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f26.1e100.net`
		A	142.251.127.26^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f26.1e100.net`
TXT	`google-site-verification=5dLalW4nPBRot6E(0x536558)ADzMoD_AIE5P8dt0vBhb3qvK4`
TXT	`mt-73193614`
TXT	`v=spf1 +mx +a +ip4:104.152.109.231 +include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.113, 172.67.132.6
		IPv6 hints	2606:4700:3037::6815:471, 2606:4700:3037::ac43:8406
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=197, name=cloudflare-ech.com
SOA	`itzel.ns.cloudflare.com`dns@cloudflare.com serial=2409967682

`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=1786794024

rank #23282 globally
rank #11355 in the tld
⚠️ On DNS blocklist: gambling, gambling.medium, gambling.mini
WOT: SAFE (27/100)
📈 Tranco rank: #78,699

Subdomains

www.programminginsider.com

Same first word

programminginsider.com

DNS History

38 records (10 active, 28 former)

○NSaria.ns.cloudflare.com2016-01-03 → 2026-05-16 · 5 obs

○ 2015-10-24 13:34:12
● 2016-01-03 14:41:16
● 2026-05-16 00:26:04
○ 2026-05-25 23:51:16
○ 2026-08-15 12:05:26

○NSdns1.internetconfident.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 11:11:00
○ 2015-10-24 13:34:12
○ 2026-08-15 12:05:26

○NSdns2.internetconfident.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 11:11:00
○ 2015-10-24 13:34:12
○ 2026-08-15 12:05:26

○NSdns3.internetconfident.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 11:11:00
○ 2015-10-24 13:34:12
○ 2026-08-15 12:05:26

○NShenry.ns.cloudflare.com2016-01-03 → 2026-05-16 · 5 obs

○ 2015-10-24 13:34:12
● 2016-01-03 14:41:16
● 2026-05-16 00:26:04
○ 2026-05-25 23:51:16
○ 2026-08-15 12:05:26

●NSitzel.ns.cloudflare.com2026-05-25 → 2026-08-15 · 3 obs

○ 2026-05-16 00:26:04
● 2026-05-25 23:51:16
● 2026-08-15 12:05:26

●NSmajor.ns.cloudflare.com2026-05-25 → 2026-08-15 · 3 obs

○ 2026-05-16 00:26:04
● 2026-05-25 23:51:16
● 2026-08-15 12:05:26

○NSns-cloud-b1.googledomains.com2015-10-24 → 2015-10-24 · 4 obs

○ 2008-03-13 11:11:00
● 2015-10-24 13:34:12
○ 2016-01-03 14:41:16
○ 2026-08-15 12:05:26

○NSns-cloud-b2.googledomains.com2015-10-24 → 2015-10-24 · 4 obs

○ 2008-03-13 11:11:00
● 2015-10-24 13:34:12
○ 2016-01-03 14:41:16
○ 2026-08-15 12:05:26

○NSns-cloud-b3.googledomains.com2015-10-24 → 2015-10-24 · 4 obs

○ 2008-03-13 11:11:00
● 2015-10-24 13:34:12
○ 2016-01-03 14:41:16
○ 2026-08-15 12:05:26

○NSns-cloud-b4.googledomains.com2015-10-24 → 2015-10-24 · 4 obs

○ 2008-03-13 11:11:00
● 2015-10-24 13:34:12
○ 2016-01-03 14:41:16
○ 2026-08-15 12:05:26

●MXalt1.aspmx.l.google.com2020-08-04 → 2026-08-15 · 3 obs

○ 2017-04-23 23:31:44
● 2020-08-04 02:35:24
● 2026-08-15 12:05:26

●MXalt2.aspmx.l.google.com2020-08-04 → 2026-08-15 · 3 obs

○ 2017-04-23 23:31:44
● 2020-08-04 02:35:24
● 2026-08-15 12:05:26

●MXalt3.aspmx.l.google.com2020-08-04 → 2026-08-15 · 3 obs

○ 2017-04-23 23:31:44
● 2020-08-04 02:35:24
● 2026-08-15 12:05:26

●MXaspmx.l.google.com2020-08-04 → 2026-08-15 · 3 obs

○ 2017-04-23 23:31:44
● 2020-08-04 02:35:24
● 2026-08-15 12:05:26

○MXdc-15572aa8.programminginsider.com2016-01-03 → 2016-09-29 · 4 obs

● 2016-01-03 14:41:16
● 2016-09-29 07:55:16
○ 2017-04-23 23:31:44
○ 2026-08-15 12:05:26

○MXdc-cf79b7e7a755.programminginsider.com2017-04-23 → 2017-04-23 · 4 obs

○ 2016-09-29 07:55:16
● 2017-04-23 23:31:44
○ 2020-08-04 02:35:24
○ 2026-08-15 12:05:26

○A104.21.36.1992026-03-30 → 2026-05-16 · 5 obs

○ 2020-08-04 02:35:24
● 2026-03-30 10:20:12
● 2026-05-16 00:26:04
○ 2026-05-25 23:51:16
○ 2026-08-15 12:05:26

●A104.21.4.1132026-06-03 → 2026-08-15 · 7 obs

○ 2026-05-25 23:51:16
● 2026-06-03 04:52:30
○ 2026-06-29 13:46:22
● 2026-07-09 15:31:46
○ 2026-08-10 22:41:46
● 2026-08-15 12:05:24
● 2026-08-15 12:05:26

○A104.28.8.2112016-01-03 → 2017-04-23 · 5 obs

○ 2015-10-24 13:34:12
● 2016-01-03 14:41:16
● 2017-04-23 23:31:44
○ 2020-08-04 02:35:24
○ 2026-08-15 12:05:26

○A104.28.9.2112016-01-03 → 2017-04-23 · 5 obs

○ 2015-10-24 13:34:12
● 2016-01-03 14:41:16
● 2017-04-23 23:31:44
○ 2020-08-04 02:35:24
○ 2026-08-15 12:05:26

●A172.67.132.62026-06-03 → 2026-08-15 · 7 obs

○ 2026-05-25 23:51:16
● 2026-06-03 04:52:30
○ 2026-06-29 13:46:22
● 2026-07-09 15:31:46
○ 2026-08-10 22:41:46
● 2026-08-15 12:05:24
● 2026-08-15 12:05:26

○A172.67.199.202026-03-30 → 2026-05-16 · 5 obs

○ 2020-08-04 02:35:24
● 2026-03-30 10:20:12
● 2026-05-16 00:26:04
○ 2026-05-25 23:51:16
○ 2026-08-15 12:05:26

○A188.114.96.02026-05-25 → 2026-08-10 · 8 obs

○ 2026-05-16 00:26:04
● 2026-05-25 23:51:16
○ 2026-06-03 04:52:30
● 2026-06-29 13:46:22
○ 2026-07-09 15:31:46
● 2026-08-10 22:41:46
○ 2026-08-15 12:05:24
○ 2026-08-15 12:05:26

○A188.114.97.02026-05-25 → 2026-08-10 · 8 obs

○ 2026-05-16 00:26:04
● 2026-05-25 23:51:16
○ 2026-06-03 04:52:30
● 2026-06-29 13:46:22
○ 2026-07-09 15:31:46
● 2026-08-10 22:41:46
○ 2026-08-15 12:05:24
○ 2026-08-15 12:05:26

○A2400:cb00:2048:1::681c:8d32017-04-23 → 2017-04-23 · 4 obs

○ 2016-01-03 14:41:16
● 2017-04-23 23:31:44
○ 2020-08-04 02:35:24
○ 2026-08-15 12:05:26

○A2400:cb00:2048:1::681c:9d32017-04-23 → 2017-04-23 · 4 obs

○ 2016-01-03 14:41:16
● 2017-04-23 23:31:44
○ 2020-08-04 02:35:24
○ 2026-08-15 12:05:26

○A2606:4700:3033::ac43:c7142026-03-30 → 2026-05-16 · 5 obs

○ 2020-08-04 02:35:24
● 2026-03-30 10:20:12
● 2026-05-16 00:26:04
○ 2026-05-25 23:51:16
○ 2026-08-15 12:05:26

○A2606:4700:3036::6815:4712026-06-03 → 2026-06-09 · 5 obs

○ 2026-05-25 23:51:16
● 2026-06-03 04:52:30
● 2026-06-09 18:47:08
○ 2026-06-26 17:40:06
○ 2026-08-15 12:05:26

○A2606:4700:3036::ac43:84062026-06-03 → 2026-06-09 · 5 obs

○ 2026-05-25 23:51:16
● 2026-06-03 04:52:30
● 2026-06-09 18:47:08
○ 2026-06-26 17:40:06
○ 2026-08-15 12:05:26

○A2606:4700:3037::6815:24c72026-03-30 → 2026-05-16 · 5 obs

○ 2020-08-04 02:35:24
● 2026-03-30 10:20:12
● 2026-05-16 00:26:04
○ 2026-05-25 23:51:16
○ 2026-08-15 12:05:26

●A2606:4700:3037::6815:4712026-06-26 → 2026-08-15 · 7 obs

○ 2026-06-09 18:47:08
● 2026-06-26 17:40:06
○ 2026-06-29 13:46:22
● 2026-07-09 15:31:46
○ 2026-08-10 22:41:46
● 2026-08-15 12:05:24
● 2026-08-15 12:05:26

●A2606:4700:3037::ac43:84062026-06-26 → 2026-08-15 · 7 obs

○ 2026-06-09 18:47:08
● 2026-06-26 17:40:06
○ 2026-06-29 13:46:22
● 2026-07-09 15:31:46
○ 2026-08-10 22:41:46
● 2026-08-15 12:05:24
● 2026-08-15 12:05:26

○A2a06:98c1:3120::2026-05-25 → 2026-08-10 · 8 obs

○ 2026-05-16 00:26:04
● 2026-05-25 23:51:16
○ 2026-06-03 04:52:30
● 2026-06-29 13:46:22
○ 2026-07-09 15:31:46
● 2026-08-10 22:41:46
○ 2026-08-15 12:05:24
○ 2026-08-15 12:05:26

○A2a06:98c1:3121::2026-05-25 → 2026-08-10 · 8 obs

○ 2026-05-16 00:26:04
● 2026-05-25 23:51:16
○ 2026-06-03 04:52:30
● 2026-06-29 13:46:22
○ 2026-07-09 15:31:46
● 2026-08-10 22:41:46
○ 2026-08-15 12:05:24
○ 2026-08-15 12:05:26

○A35.202.56.612020-08-04 → 2020-08-04 · 4 obs

○ 2017-04-23 23:31:44
● 2020-08-04 02:35:24
○ 2026-03-30 10:20:12
○ 2026-08-15 12:05:26

○A66.45.254.2442008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 11:11:00
○ 2015-10-24 13:34:12
○ 2026-08-15 12:05:26

○A66.45.254.2452008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 11:11:00
○ 2015-10-24 13:34:12
○ 2026-08-15 12:05:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...	-
programminginsider.com	major.ns.cloudflare.com, itzel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.241

NS records: major.ns.cloudflare.com, itzel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programminginsider.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.132.6, 104.21.4.113`
AAAA	2	`2606:4700:3037::6815:471, 2606:4700:3037::ac43:8406`
NS	2	`itzel.ns.cloudflare.com, major.ns.cloudflare.com`
MX	4	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=5dLalW4nPBRot6E, mt-73193614...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`itzel.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.programminginsider.com falls under the parent programminginsider.com.

IP Addresses

programminginsider.com points to the four IP addresses 104.21.4.113, 172.67.132.6, 2606:4700:3037::6815:471 and 2606:4700:3037::ac43:8406.

mysavorytwist.com, tjsgfj.com, yosho-activites-enfant.fr and two other host names share IP numbers with programminginsider.com.

Name Servers

programminginsider.com uses two name servers for its delegation: itzel.ns.cloudflare.com and major.ns.cloudflare.com.

programminginsider.com uses the same name servers as several other domains — among them esikie.com, vinciconsulting.com, vinci-consulting-corp.com and two more.

At least some of programminginsider.com's name servers are shared with other domains, for example fctv33hd.ink, chubbyberry.com, jfta.nl and two more.

These name servers tend to be deployed in combination with the name servers santino.ns.cloudflare.com and rory.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname itzel.ns.cloudflare.com directs to 108.162.194.42, 162.159.38.42 and 172.64.34.42 along with 3 other IP addresses.

Hostname major.ns.cloudflare.com directs to 108.162.193.241, 172.64.33.241 and 173.245.59.241 along with 3 other IP addresses.

Mail Servers

The four mail servers for programminginsider.com are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com.

programminginsider.com has at least partial mail server overlap with other domains such as koreatradeworld.com, heartandkettle.com, siprel.com.mx and two more.

It is common to see these mail servers combined with the mail servers alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Four hostnames, each resolving to a pair of IP addresses: aspmx.l.google.com directs to 142.251.179.26 and 2607:f8b0:4004:c29::1b; alt1.aspmx.l.google.com directs to 192.178.234.27 and 2800:3f0:4003:c14::1a; alt2.aspmx.l.google.com directs to 192.178.213.26 and 2a00:1450:4013:c1e::1b; alt3.aspmx.l.google.com directs to 142.251.127.26 and 2a00:1450:4001:c21::1a.