🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`pythonbyexample.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4edd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:89db^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.221^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.219^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`summer.ns.cloudflare.com`
		A	2606:4700:50::a29f:2609^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c209^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`summer.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2209^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`summer.ns.cloudflare.com`
		A	108.162.194.9^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	162.159.38.9^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	172.64.34.9^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.221, 172.67.137.219
		IPv6 hints	2606:4700:3035::6815:4edd, 2606:4700:3035::ac43:89db
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=182, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2412263759

`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=1788041810

Same first word

pythonbyexample.com

Previous names

Next names

DNS History

15 records (6 active, 9 former)

●NSduke.ns.cloudflare.com2026-08-19 → 2026-08-29 · 3 obs

○ 2018-01-27 23:33:18
● 2026-08-19 10:40:52
● 2026-08-29 22:30:24

○NSns-cloud-b1.googledomains.com2018-01-27 → 2018-01-27 · 4 obs

○ 2016-12-02 10:29:06
● 2018-01-27 23:33:18
○ 2026-08-19 10:40:52
○ 2026-08-29 22:30:24

○NSns-cloud-b2.googledomains.com2018-01-27 → 2018-01-27 · 4 obs

○ 2016-12-02 10:29:06
● 2018-01-27 23:33:18
○ 2026-08-19 10:40:52
○ 2026-08-29 22:30:24

○NSns-cloud-b3.googledomains.com2018-01-27 → 2018-01-27 · 4 obs

○ 2016-12-02 10:29:06
● 2018-01-27 23:33:18
○ 2026-08-19 10:40:52
○ 2026-08-29 22:30:24

○NSns-cloud-b4.googledomains.com2018-01-27 → 2018-01-27 · 4 obs

○ 2016-12-02 10:29:06
● 2018-01-27 23:33:18
○ 2026-08-19 10:40:52
○ 2026-08-29 22:30:24

○NSns11.domaincontrol.com2015-08-20 → 2016-12-02 · 4 obs

● 2015-08-20 20:01:16
● 2016-12-02 10:29:06
○ 2018-01-27 23:33:18
○ 2026-08-29 22:30:24

○NSns12.domaincontrol.com2015-08-20 → 2016-12-02 · 4 obs

● 2015-08-20 20:01:16
● 2016-12-02 10:29:06
○ 2018-01-27 23:33:18
○ 2026-08-29 22:30:24

●NSsummer.ns.cloudflare.com2026-08-19 → 2026-08-29 · 3 obs

○ 2018-01-27 23:33:18
● 2026-08-19 10:40:52
● 2026-08-29 22:30:24

○MXmailstore1.secureserver.net2015-08-20 → 2016-12-02 · 4 obs

● 2015-08-20 20:01:16
● 2016-12-02 10:29:06
○ 2018-01-27 23:33:18
○ 2026-08-29 22:30:24

○MXsmtp.secureserver.net2015-08-20 → 2016-12-02 · 4 obs

● 2015-08-20 20:01:16
● 2016-12-02 10:29:06
○ 2018-01-27 23:33:18
○ 2026-08-29 22:30:24

●A104.21.78.2212026-08-19 → 2026-08-29 · 3 obs

○ 2018-01-27 23:33:18
● 2026-08-19 10:40:52
● 2026-08-29 22:30:24

●A172.67.137.2192026-08-19 → 2026-08-29 · 3 obs

○ 2018-01-27 23:33:18
● 2026-08-19 10:40:52
● 2026-08-29 22:30:24

○A184.168.221.92015-08-20 → 2016-12-02 · 4 obs

● 2015-08-20 20:01:16
● 2016-12-02 10:29:06
○ 2018-01-27 23:33:18
○ 2026-08-29 22:30:24

●A2606:4700:3035::6815:4edd2026-08-19 → 2026-08-29 · 3 obs

○ 2018-01-27 23:33:18
● 2026-08-19 10:40:52
● 2026-08-29 22:30:24

●A2606:4700:3035::ac43:89db2026-08-19 → 2026-08-29 · 3 obs

○ 2018-01-27 23:33:18
● 2026-08-19 10:40:52
● 2026-08-29 22:30:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pythonbyexample.com	duke.ns.cloudflare.com, summer.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.9

NS records: duke.ns.cloudflare.com, summer.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pythonbyexample.com (unsigned zone)

⏱️ Timing

Total: 416ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.137.219, 104.21.78.221`
AAAA	2	`2606:4700:3035::6815:4edd, 2606:4700:3035::ac43:89db`
NS	2	`duke.ns.cloudflare.com, summer.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

pythonbyexample.com has four IP addresses: 104.21.78.221, 172.67.137.219, 2606:4700:3035::6815:4edd and 2606:4700:3035::ac43:89db.

Additional host names — angles9533.sl621cn.workers.dev, pinoylucklaro.com, michaels.world and two others — share IP numbers with pythonbyexample.com.

Name Servers

pythonbyexample.com is served by two delegated name servers, duke.ns.cloudflare.com and summer.ns.cloudflare.com.

pythonbyexample.com shares its name server setup with other domains, including banterhub.live, carpetcleaninguk.site, wishhub.online and two others.

pythonbyexample.com partially shares its NS delegation with several other domains, including sppgatpsk2-com.pages.dev, victer.com.mx, thepinkshark.co.il and two others.

These name servers regularly co-occur with the name servers cameron.ns.cloudflare.com, bailey.ns.cloudflare.com and michael.ns.cloudflare.com.

Host names with 6 IP numbers:

duke.ns.cloudflare.com carries IP addresses 108.162.193.110, 172.64.33.110 and 173.245.59.110, with 3 other addresses beyond those.

summer.ns.cloudflare.com carries IP addresses 108.162.194.9, 162.159.38.9 and 172.64.34.9, with 3 other addresses beyond those.

pythonbyexample.com - robtex.com