devguide.python.org - dns.ninja

devguide.python.org

CNAMEreadthedocs.io
DNSSEC⚠️ Not signed
A2606:4700::6810:fd78🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6810:fe78🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.16.253.120Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.16.254.120Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSivan.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b78🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivan.ns.cloudflare.com
A2803:f800:50::6ca2:c178🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRivan.ns.cloudflare.com
A2a06:98c1:50::ac40:2178🇺🇸 Cloudflare2a06:98c1:50::/45
PTRivan.ns.cloudflare.com
A108.162.193.120🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivan.ns.cloudflare.com
A172.64.33.120🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivan.ns.cloudflare.com
A173.245.59.120🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivan.ns.cloudflare.com
NStegan.ns.cloudflare.com
A2606:4700:50::adf5:3ae2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A2803:f800:50::6ca2:c0e2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtegan.ns.cloudflare.com
A2a06:98c1:50::ac40:20e2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtegan.ns.cloudflare.com
A108.162.192.226🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A172.64.32.226🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A173.245.58.226🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c23::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f26.1e100.net
A142.251.163.26🇺🇸 Google142.251.163.0/24
PTRwv-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.16.253.120, 104.16.254.120
IPv6 hints2606:4700::6810:fd78, 2606:4700::6810:fe78
SOAivan.ns.cloudflare.comdns@cloudflare.com serial=2405546300

python.org

DNSSEC⚠️ Not signed
A2a04:4e42::223🇺🇸 Fastly2a04:4e42::/48
A2a04:4e42:200::223🇺🇸 Fastly2a04:4e42:200::/48
A2a04:4e42:400::223🇺🇸 Fastly2a04:4e42:400::/48
A2a04:4e42:600::223🇺🇸 Fastly2a04:4e42:600::/48
A151.101.0.223🇺🇸 Fastly151.101.0.0/22
A151.101.64.223🇺🇸 Fastly151.101.64.0/22
A151.101.128.223🇺🇸 Fastly151.101.128.0/22
A151.101.192.223🇺🇸 Fastly151.101.192.0/22
NSns-2046.awsdns-63.co.uk ⭐
NSns-1134.awsdns-13.org
NSns-484.awsdns-60.com
NSns-981.awsdns-58.net
MXmail.python.org ⭐
TXT888acb5757da46ad83b7e341ec544c64
TXTMS=73147F1EC0843C399CF17F586EC6B8EAF8C57961
TXT_globalsign-domain-verification=B57sRQpmte4G4w-gavZbVNmmNsMxGp5kcL19UP2599
TXTanthropic-domain-verification-x3xt87=cFLP3aL71pAYPZLQR7JKvRhcF
TXTgoogle-site-verification=9852CbTRhQ51-9gCUayPbGYqJeBle_MXLb6E4AL_qQk
TXTgoogle-site-verification=QALZObrGl2OVG8lWUE40uVSMCAka316yADn9ZfCU5OA
TXTgoogle-site-verification=dqhMiMzpbkSyEhgjGKyEOMlEg2tF0MSHD7UN-MYfD-M
TXTgoogle-site-verification=w3b8mU3wU6cZ8uSrj3E_5f1frPejJskDpSp_nMWJ99o
TXTlibera-1298aas
TXTopenai-domain-verification=dv-VgeNijVDgW7g56UZyGIVyKNr
TXTstatus-page-domain-verification=9y2klhzbxsgk
TXTtwilio-domain-verification=1c295667813cc0aaae819ed7657818f8
TXTv=spf1 mx ip4:188.166.95.178/32 ip6:2a03:b0c0:2:d0::71:1 include:stspg-custom...
SOAns-2046.awsdns-63.co.ukawsdns-hostmaster@amazon.com serial=1
WOT: SAFE (95/100)
rank #276 globally
rank #35 in the tld
🔒 HSTS Preload
Semrush Rank:#1,501 Keywords:834,887 Traffic:1,782,987/mo
WOT: SAFE (95/100)
📈 Tranco rank: #753
python.org - Tranco Rank (30d: ↑+17)750755760765770771May 3May 12May 21May 30Jun 7Rank#769#752

Python Programming Language

python.org is the official website of the Python Software Foundation (PSF), the non-profit organization that manages and promotes the Python programming language. Python is a high-level, interpreted programming language known for its clean syntax and readability, making it accessible to beginners while remaining powerful for experts.

Applications

Python is widely used across multiple domains:

  • Web Development — Django, Flask, Pyramid, Tornado
  • Scientific Computing — SciPy, Pandas, NumPy
  • GUI Development — PyQt, Kivy, wxPython
  • System Administration — Ansible, Salt, OpenStack
  • Machine Learning & AI — TensorFlow, PyTorch

Infrastructure

  • CDN: Fastly (151.101.x.223 addresses)
  • DNS: AWS Route 53 (ns-.awsdns-.com/net/org/co.uk)
  • Mail: DigitalOcean (mail.python.org at 188.166.95.178)
  • IPv6: Full dual-stack support

The PSF maintains official documentation, hosts PyCon conferences worldwide, and supports community initiatives focused on diversity and education.

Same first word

devguide.at
devguide.de
devguide.me
devguide.com
devguide.org
devguide.space
devguide.net

Similar names

edvguide.de
guidedve.com
guidedev.blogspot.in
guidedev.com

DNS History

2 records (1 active, 1 former)

201820192020202120222023202420252026CNAMEreadthedocs.iopython.map.fastly.net
○CNAMEpython.map.fastly.net2017-06-22 → 2017-06-22 · 3 obs
● 2017-06-22 20:31:54
○ 2026-02-24 02:48:00
○ 2026-06-09 02:09:14
●CNAMEreadthedocs.io2026-02-24 → 2026-06-09 · 3 obs
○ 2017-06-22 20:31:54
● 2026-02-24 02:48:00
● 2026-06-09 02:09:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
python.orgns-2046.awsdns-63.co.uk, ns-981.awsdns-58.net, ns-484.awsdns-60.com, ns-1134.awsdns-13.org2 records
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-
python.orgns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net-

✅ Authoritative Response

Server:205.251.196.110

NS records: ns-1134.awsdns-13.org, ns-2046.awsdns-63.co.uk, ns-484.awsdns-60.com, ns-981.awsdns-58.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for python.org (unsigned zone)

⏱️ Timing

Total: 2136ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1readthedocs.io

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1134.awsdns-13.org, ns-1134.awsdns-13.org)

Analysis

IP Addresses

devguide.python.org has 4 IP addresses: 104.16.253.120, 104.16.254.120, 2606:4700::6810:fd78 and 2606:4700::6810:fe78.

stuck.readthedocs.io, productsldapuserfolder.readthedocs.io, pathfindingjs.readthedocs.io and two other host names share IP numbers with devguide.python.org.

Name Servers

devguide.python.org has two authoritative name servers — ivan.ns.cloudflare.com and tegan.ns.cloudflare.com.

devguide.python.org uses the same name servers as several other domains — among them aeras.net, learnunity3d.com, billmillerbarbq.com and two more.

devguide.python.org shares at least some of its name servers with other domains, including nf168.net, lovetest.be, furanet.es and two others.

These name servers are frequently paired with the name servers erin.ns.cloudflare.com, mustafa.ns.cloudflare.com and kay.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ivan.ns.cloudflare.com points to 108.162.193.120, 172.64.33.120, 173.245.59.120 and three other IP addresses.

tegan.ns.cloudflare.com points to 108.162.192.226, 172.64.32.226, 173.245.58.226 and three other IP addresses.

Mail Servers

devguide.python.org has 5 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two more.

devguide.python.org has at least partial mail server overlap with other domains such as ns500759.ns500758.ns500698.ns500758.ns500758.ns500698.ns500698.ns500735.ns500576.ns500576.ns500708.ns500698.ns500619.ns500576.trackreceptor.com, ns500754.ns500742.ns500731.ns500754.ns500742.ns500742.ns500742.ns500649.ns500688.ns500291.ns500131.lustychickser.com, ns500765.ns500734.ns500699.ns500699.ns500734.ns500693.ns500588.ns500693.ns500693.ns500588.ns500612.ns500632.dtrkdll.com and two more.

These mail servers often appear together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and three other mail servers.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to 142.251.163.26 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.26 IP addresses.