programmingnotes.net - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programmingnotes.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b19e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:239e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.158^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.158^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`graham.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`graham.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`graham.ns.cloudflare.com`
		A	108.162.193.171^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	172.64.33.171^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	173.245.59.171^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
NS	`olga.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.35.158, 172.67.177.158
		IPv6 hints	2606:4700:3030::ac43:b19e, 2606:4700:3035::6815:239e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=29, name=cloudflare-ech.com
SOA	`graham.ns.cloudflare.com`dns@cloudflare.com serial=2413699680

`net`

	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=1788638803

Same first word

programmingnotes.com

programmingnotes.net

programmingnotes.shop

Previous names

Next names

DNS History

15 records (6 active, 9 former)

●NSgraham.ns.cloudflare.com2026-08-30 → 2026-09-05 · 3 obs

○ 2018-07-14 13:15:16
● 2026-08-30 19:36:06
● 2026-09-05 20:19:40

○NSns1.wordpress.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-05 20:19:40

○NSns2.wordpress.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-05 20:19:40

○NSns3.wordpress.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-05 20:19:40

●NSolga.ns.cloudflare.com2026-08-30 → 2026-09-05 · 3 obs

○ 2018-07-14 13:15:16
● 2026-08-30 19:36:06
● 2026-09-05 20:19:40

●A104.21.35.1582026-08-30 → 2026-09-05 · 3 obs

○ 2026-08-30 19:36:06
● 2026-08-30 21:58:50
● 2026-09-05 20:19:40

●A172.67.177.1582026-08-30 → 2026-09-05 · 3 obs

○ 2026-08-30 19:36:06
● 2026-08-30 21:58:50
● 2026-09-05 20:19:40

○A188.114.96.02026-08-30 → 2026-08-30 · 4 obs

○ 2018-07-14 13:15:16
● 2026-08-30 19:36:06
○ 2026-08-30 21:58:50
○ 2026-09-05 20:19:40

○A188.114.97.02026-08-30 → 2026-08-30 · 4 obs

○ 2018-07-14 13:15:16
● 2026-08-30 19:36:06
○ 2026-08-30 21:58:50
○ 2026-09-05 20:19:40

○A192.0.78.242017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-05 20:19:40

○A192.0.78.252017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-05 20:19:40

●A2606:4700:3030::ac43:b19e2026-08-30 → 2026-09-05 · 3 obs

○ 2026-08-30 19:36:06
● 2026-08-30 21:58:50
● 2026-09-05 20:19:40

●A2606:4700:3035::6815:239e2026-08-30 → 2026-09-05 · 3 obs

○ 2026-08-30 19:36:06
● 2026-08-30 21:58:50
● 2026-09-05 20:19:40

○A2a06:98c1:3120::2026-08-30 → 2026-08-30 · 4 obs

○ 2018-07-14 13:15:16
● 2026-08-30 19:36:06
○ 2026-08-30 21:58:50
○ 2026-09-05 20:19:40

○A2a06:98c1:3121::2026-08-30 → 2026-08-30 · 4 obs

○ 2018-07-14 13:15:16
● 2026-08-30 19:36:06
○ 2026-08-30 21:58:50
○ 2026-09-05 20:19:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...	-
programmingnotes.net	olga.ns.cloudflare.com, graham.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.137

NS records: olga.ns.cloudflare.com, graham.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programmingnotes.net (unsigned zone)

⏱️ Timing

Total: 1067ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.35.158, 172.67.177.158`
AAAA	2	`2606:4700:3030::ac43:b19e, 2606:4700:3035::6815:239e`
NS	2	`graham.ns.cloudflare.com, olga.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`graham.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

programmingnotes.net has four IP addresses: 104.21.35.158, 172.67.177.158, 2606:4700:3030::ac43:b19e and 2606:4700:3035::6815:239e.

ihousing.co.il, do-io.com, qtjkx.cn and two other host names share IP numbers with programmingnotes.net.

Name Servers

programmingnotes.net is delegated to two name servers: graham.ns.cloudflare.com and olga.ns.cloudflare.com.

programmingnotes.net uses the same name servers as several other domains — among them timedasorte.online, askereox.workers.dev, wafaicloud.io and two more.

programmingnotes.net partially shares its NS delegation with several other domains, including camarpusat.website, easy-design-craftsmanship-hq-2sp.pages.dev, vh621178.workers.dev and two others.

These name servers are regularly seen alongside june.ns.cloudflare.com and max.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

graham.ns.cloudflare.com resolves to 108.162.193.171, 172.64.33.171, 173.245.59.171 and 3 other IP addresses.

olga.ns.cloudflare.com resolves to 108.162.192.137, 172.64.32.137, 173.245.58.137 and 3 other IP addresses.