`pythoncheatsheet.org`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:ca0^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:da0^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.12.160^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.13.160^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harvey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c98^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c398^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harvey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2398^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harvey.ns.cloudflare.com`
		A	108.162.195.152^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	162.159.44.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	172.64.35.152^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
NS	`zelda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zelda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zelda.ns.cloudflare.com`
		A	108.162.192.242^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	172.64.32.242^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	173.245.58.242^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁴⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹⁹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=7rRy9Ed-ScjHvpwbQ6w7NtneMp5cKgYLqToczudY8EU`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.12.160, 104.18.13.160
		IPv6 hints	2606:4700::6812:ca0, 2606:4700::6812:da0
SOA	`harvey.ns.cloudflare.com`dns@cloudflare.com serial=2402298042

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776964518

rank #641798 globally
rank #45561 in the tld

Subdomains

www.pythoncheatsheet.org

Same first word

pythoncheatsheet.org

pythoncheatsheet.com

DNS History

17 records (9 active, 8 former)

●NSharvey.ns.cloudflare.com2026-02-25 → 2026-04-23 · 3 obs

○ 2018-06-26 00:43:08
● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

○NSns1.digitalocean.com2018-06-26 → 2018-06-26 · 3 obs

● 2018-06-26 00:43:08
○ 2026-02-25 06:38:30
○ 2026-04-23 17:33:16

○NSns2.digitalocean.com2018-06-26 → 2018-06-26 · 3 obs

● 2018-06-26 00:43:08
○ 2026-02-25 06:38:30
○ 2026-04-23 17:33:16

○NSns3.digitalocean.com2018-06-26 → 2018-06-26 · 3 obs

● 2018-06-26 00:43:08
○ 2026-02-25 06:38:30
○ 2026-04-23 17:33:16

●NSzelda.ns.cloudflare.com2026-02-25 → 2026-04-23 · 3 obs

○ 2018-06-26 00:43:08
● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

●MXroute1.mx.cloudflare.net2026-02-25 → 2026-04-23 · 2 obs

● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

●MXroute2.mx.cloudflare.net2026-02-25 → 2026-04-23 · 2 obs

● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

●MXroute3.mx.cloudflare.net2026-02-25 → 2026-04-23 · 2 obs

● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

●A104.18.12.1602026-02-25 → 2026-04-23 · 3 obs

○ 2018-06-26 00:43:08
● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

●A104.18.13.1602026-02-25 → 2026-04-23 · 3 obs

○ 2018-06-26 00:43:08
● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

○A104.21.14.2472026-02-25 → 2026-04-23 · 2 obs

○ 2026-02-25 06:38:30
○ 2026-04-23 17:33:16

○A172.67.160.2092026-02-25 → 2026-04-23 · 2 obs

○ 2026-02-25 06:38:30
○ 2026-04-23 17:33:16

○A209.97.131.732018-06-26 → 2018-06-26 · 3 obs

● 2018-06-26 00:43:08
○ 2026-02-25 06:38:30
○ 2026-04-23 17:33:16

●A2606:4700::6812:ca02026-02-25 → 2026-04-23 · 3 obs

○ 2018-06-26 00:43:08
● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

●A2606:4700::6812:da02026-02-25 → 2026-04-23 · 3 obs

○ 2018-06-26 00:43:08
● 2026-02-25 06:38:30
● 2026-04-23 17:33:16

○A2606:4700:3033::6815:ef72026-02-25 → 2026-04-23 · 2 obs

○ 2026-02-25 06:38:30
○ 2026-04-23 17:33:16

○A2606:4700:3035::ac43:a0d12026-02-25 → 2026-04-23 · 2 obs

○ 2026-02-25 06:38:30
○ 2026-04-23 17:33:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
pythoncheatsheet.org	zelda.ns.cloudflare.com, harvey.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.152

NS records: zelda.ns.cloudflare.com, harvey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pythoncheatsheet.org (unsigned zone)

⏱️ Timing

Total: 475ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.12.160, 104.18.13.160`
AAAA	2	`2606:4700::6812:ca0, 2606:4700::6812:da0`
NS	2	`harvey.ns.cloudflare.com, zelda.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 44), route2.mx.cloudflare.net (pri: 49)...`
TXT	2	`google-site-verification=7rRy9Ed-ScjHvpw, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harvey.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

pythoncheatsheet.org is the parent of www.pythoncheatsheet.org.

IP Addresses

pythoncheatsheet.org resolves to four IPs: 2606:4700::6812:ca0, 2606:4700::6812:da0, 104.18.12.160 and 104.18.13.160.

Other host names, for instance crm.parcel2go.com, beta.parcel2go.com, cardgamesz.com, clubelpais.com.uy and www.talkonlinepanel.com share IP numbers with pythoncheatsheet.org.

Name Servers

pythoncheatsheet.org has two name servers: harvey.ns.cloudflare.com and zelda.ns.cloudflare.com.

pythoncheatsheet.org shares the same name server setup as other domains, for example linuxjourney.com, satisfaccion.org, fba-consulting.com, labex.io and pacificworld.travel.

pythoncheatsheet.org shares some name servers with other domains, for example tianletian.com, ezhongstone.com, jaebanke-kuolitai.com, laznibatova.sk and asoc-iter.org.

These name servers are commonly used together with laylah.ns.cloudflare.com and mariah.ns.cloudflare.com.

Host names with six IP numbers: harvey.ns.cloudflare.com points to: 2606:4700:58::a29f:2c98, 2803:f800:50::6ca2:c398, 2a06:98c1:50::ac40:2398, 108.162.195.152, 162.159.44.152 and 172.64.35.152; zelda.ns.cloudflare.com points to: 2606:4700:50::adf5:3af2, 2803:f800:50::6ca2:c0f2, 2a06:98c1:50::ac40:20f2, 108.162.192.242, 172.64.32.242 and 173.245.58.242.

Mail Servers

pythoncheatsheet.org is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

pythoncheatsheet.org shares some mail servers with other domains, at least partially; for instance chudk.com, kerumpc.com, (0x787878)tubesy.com, flybangkok.com and prouthome.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

pythoncheatsheet.org - robtex.com