🛡️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=83, 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=1788252695

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 → 2026-09-01 · 3 obs

○ 2018-07-14 13:15:16
● 2026-08-30 19:36:06
● 2026-09-01 08:55:52

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

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-01 08:55:52

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

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-01 08:55:52

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

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-01 08:55:52

●NSolga.ns.cloudflare.com2026-08-30 → 2026-09-01 · 3 obs

○ 2018-07-14 13:15:16
● 2026-08-30 19:36:06
● 2026-09-01 08:55:52

●A104.21.35.1582026-08-30 → 2026-09-01 · 3 obs

○ 2026-08-30 19:36:06
● 2026-08-30 21:58:50
● 2026-09-01 08:55:52

●A172.67.177.1582026-08-30 → 2026-09-01 · 3 obs

○ 2026-08-30 19:36:06
● 2026-08-30 21:58:50
● 2026-09-01 08:55:52

○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
○ 2026-09-01 08:55:52

○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
○ 2026-09-01 08:55:52

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

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-01 08:55:52

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

● 2017-01-04 08:58:04
○ 2018-07-14 13:15:16
○ 2026-09-01 08:55:52

●A2606:4700:3030::ac43:b19e2026-08-30 → 2026-09-01 · 3 obs

○ 2026-08-30 19:36:06
● 2026-08-30 21:58:50
● 2026-09-01 08:55:52

●A2606:4700:3035::6815:239e2026-08-30 → 2026-09-01 · 3 obs

○ 2026-08-30 19:36:06
● 2026-08-30 21:58:50
● 2026-09-01 08:55:52

○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
○ 2026-09-01 08:55:52

○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
○ 2026-09-01 08:55:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 599ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.158, 104.21.35.158`
AAAA	2	`2606:4700:3035::6815:239e, 2606:4700:3030::ac43:b19e`
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 plus two other host names have IP numbers in common with programmingnotes.net.

Name Servers

The NS records for programmingnotes.net delegate to graham.ns.cloudflare.com and olga.ns.cloudflare.com.

The name server configuration of programmingnotes.net is shared with other domains, for instance timedasorte.online, askereox.workers.dev, betpix88.net and two others.

programmingnotes.net shares at least some of its name servers with other domains, including camarpusat.website, easy-design-craftsmanship-hq-2sp.pages.dev, vh621178.workers.dev and two others.

These name servers are frequently paired with the name servers max.ns.cloudflare.com and june.ns.cloudflare.com.

Hosts with 6 IP addresses each:

graham.ns.cloudflare.com maps to 108.162.193.171, 172.64.33.171, 173.245.59.171 and 3 additional IP addresses.

olga.ns.cloudflare.com maps to 108.162.192.137, 172.64.32.137, 173.245.58.137 and 3 additional IP addresses.

programmingnotes.net - robtex.com