pythonwebconference.com - dns.ninja

`pythonwebconference.com`

DNSSEC	⚠️ Not signed
A	13.33.153.7^{🇺🇸 Amazon13.33.152.0/23 - Cloudfront}
		PTR	`server-13-33-153-7.lhr3.r.cloudfront.net`
A	13.33.153.22^{🇺🇸 Amazon13.33.152.0/23 - Cloudfront}
A	13.33.153.48^{🇺🇸 Amazon13.33.152.0/23 - Cloudfront}
A	13.33.153.90^{🇺🇸 Amazon13.33.152.0/23 - Cloudfront}
NS	`ns-550.awsdns-04.net` ⭐
		A	2600:9000:5302:2600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-550.awsdns-04.net`
		A	205.251.194.38^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-550.awsdns-04.net`
NS	`ns-137.awsdns-17.com`
		A	2600:9000:5300:8900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-137.awsdns-17.com`
		A	205.251.192.137^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-137.awsdns-17.com`
NS	`ns-1459.awsdns-54.org`
		A	2600:9000:5305:b300::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1459.awsdns-54.org`
		A	205.251.197.179^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1459.awsdns-54.org`
NS	`ns-1591.awsdns-06.co.uk`
		A	2600:9000:5306:3700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1591.awsdns-06.co.uk`
		A	205.251.198.55^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1591.awsdns-06.co.uk`
SOA	`ns-550.awsdns-04.net`awsdns-hostmaster@amazon.com serial=1

`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=1782128310

Subdomains

2020.pythonwebconference.com

Same first word

pythonwebconference.com

DNS History

55 records (8 active, 47 former)

●NSns-137.awsdns-17.com2026-02-15 → 2026-06-22 · 3 obs

○ 2020-04-09 01:46:06
● 2026-02-15 16:50:02
● 2026-06-22 11:50:14

●NSns-1459.awsdns-54.org2026-02-15 → 2026-06-22 · 3 obs

○ 2020-04-09 01:46:06
● 2026-02-15 16:50:02
● 2026-06-22 11:50:14

●NSns-1591.awsdns-06.co.uk2026-02-15 → 2026-06-22 · 3 obs

○ 2020-04-09 01:46:06
● 2026-02-15 16:50:02
● 2026-06-22 11:50:14

●NSns-550.awsdns-04.net2026-02-15 → 2026-06-22 · 3 obs

○ 2020-04-09 01:46:06
● 2026-02-15 16:50:02
● 2026-06-22 11:50:14

○NSns0.directnic.com2020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 01:46:06
○ 2026-02-15 16:50:02
○ 2026-06-22 11:50:14

○NSns1.directnic.com2020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 01:46:06
○ 2026-02-15 16:50:02
○ 2026-06-22 11:50:14

○A104.198.14.522020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 01:46:06
○ 2026-02-15 16:50:02
○ 2026-06-22 11:50:14

○A108.139.15.102026-03-30 → 2026-06-21 · 30 obs

○ 2026-03-30 00:39:58
● 2026-03-30 06:34:06
● 2026-03-30 07:34:28
○ 2026-03-30 09:14:28
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● 2026-06-21 01:13:08
○ 2026-06-21 11:41:42
○ 2026-06-22 11:50:14

○A108.139.15.352026-03-30 → 2026-06-21 · 30 obs

○A108.139.15.802026-03-30 → 2026-06-21 · 30 obs

○A108.139.15.882026-03-30 → 2026-06-21 · 30 obs

○A108.156.85.142026-03-31 → 2026-06-21 · 31 obs

○ 2026-03-30 09:14:28
● 2026-03-31 10:17:54
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● 2026-04-08 20:32:04
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○A108.156.85.242026-03-31 → 2026-06-21 · 31 obs

○A108.156.85.492026-03-31 → 2026-06-21 · 31 obs

○A108.156.85.682026-03-31 → 2026-06-21 · 31 obs

○A13.225.47.1002026-05-19 → 2026-06-08 · 30 obs

○ 2026-05-17 20:42:14
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● 2026-06-08 01:41:34
○ 2026-06-08 16:36:08
○ 2026-06-22 11:50:14

○A13.225.47.1092026-05-19 → 2026-06-08 · 30 obs

○A13.225.47.542026-05-19 → 2026-06-08 · 30 obs

○A13.225.47.562026-05-19 → 2026-06-08 · 30 obs

○A13.32.241.1032026-02-16 → 2026-05-11 · 30 obs

○ 2026-02-15 22:15:36
● 2026-02-16 03:51:58
● 2026-02-16 04:48:34
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○ 2026-03-14 07:00:52
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○ 2026-03-22 11:21:30
● 2026-03-22 17:32:02
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○ 2026-03-28 13:27:38
● 2026-03-29 10:46:28
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○ 2026-06-22 11:50:14

○A13.32.241.612026-02-16 → 2026-05-11 · 30 obs

○A13.32.241.652026-02-16 → 2026-05-11 · 30 obs

○A13.32.241.672026-02-16 → 2026-05-11 · 30 obs

●A13.33.153.222026-02-15 → 2026-06-22 · 35 obs

○ 2020-04-09 01:46:06
● 2026-02-15 16:50:02
○ 2026-02-15 17:48:08
● 2026-02-15 19:39:18
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● 2026-03-12 04:16:58
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○ 2026-04-06 04:17:50
● 2026-04-07 06:24:24
● 2026-04-22 21:46:54
○ 2026-04-24 15:39:16
○ 2026-05-09 13:52:56
● 2026-05-10 03:45:44
○ 2026-05-12 02:22:28
○ 2026-06-08 17:08:12
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○ 2026-06-11 22:01:42
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● 2026-06-20 04:02:54
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● 2026-06-22 11:50:14

●A13.33.153.482026-02-15 → 2026-06-22 · 35 obs

●A13.33.153.72026-02-15 → 2026-06-22 · 35 obs

●A13.33.153.902026-02-15 → 2026-06-22 · 35 obs

○A18.161.111.1112026-05-30 → 2026-06-04 · 13 obs

○ 2026-05-29 16:40:30
● 2026-05-30 10:19:00
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○ 2026-06-22 11:50:14

○A18.161.111.272026-05-30 → 2026-06-04 · 13 obs

○A18.161.111.452026-05-30 → 2026-06-04 · 13 obs

○A18.161.111.912026-05-30 → 2026-06-04 · 13 obs

○A18.161.34.1212026-04-22 → 2026-05-26 · 28 obs

○ 2026-04-11 00:58:08
● 2026-04-22 18:02:46
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● 2026-04-25 05:56:36
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● 2026-05-26 09:11:50
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○ 2026-06-22 11:50:14

○A18.161.34.502026-04-22 → 2026-05-26 · 28 obs

○A18.161.34.592026-04-22 → 2026-05-26 · 28 obs

○A18.161.34.682026-04-22 → 2026-05-26 · 28 obs

○A18.165.122.1142026-03-23 → 2026-03-27 · 23 obs

○ 2026-03-22 18:20:16
● 2026-03-23 08:18:00
○ 2026-03-23 13:43:50
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○A18.165.122.302026-03-23 → 2026-03-27 · 23 obs

○A18.165.122.492026-03-23 → 2026-03-27 · 23 obs

○A18.165.122.582026-03-23 → 2026-03-27 · 23 obs

○A18.165.25.1002026-03-12 → 2026-03-21 · 7 obs

○ 2026-03-12 14:25:38
● 2026-03-12 18:51:14
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● 2026-03-21 09:39:18
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○A18.165.25.232026-03-12 → 2026-03-21 · 7 obs

○ 2026-03-12 14:25:38
● 2026-03-12 18:51:14
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● 2026-03-21 09:39:18
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○A18.165.25.442026-03-12 → 2026-03-21 · 7 obs

○ 2026-03-12 14:25:38
● 2026-03-12 18:51:14
○ 2026-03-14 00:13:06
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● 2026-03-21 09:39:18
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○A18.165.25.902026-03-12 → 2026-03-21 · 7 obs

○ 2026-03-12 14:25:38
● 2026-03-12 18:51:14
○ 2026-03-14 00:13:06
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● 2026-03-21 09:39:18
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○A18.165.98.112026-02-16 → 2026-06-22 · 34 obs

○ 2026-02-16 10:01:24
● 2026-02-16 20:47:44
○ 2026-02-16 23:40:26
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● 2026-02-17 10:43:50
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○A18.165.98.1112026-02-16 → 2026-06-22 · 34 obs

○A18.165.98.1192026-02-16 → 2026-06-22 · 34 obs

○A18.165.98.282026-02-16 → 2026-06-22 · 34 obs

○A3.161.213.1102026-05-07 → 2026-05-08 · 7 obs

○ 2026-05-07 03:37:32
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○A3.161.213.1122026-05-07 → 2026-05-08 · 7 obs

○ 2026-05-07 03:37:32
● 2026-05-07 16:21:04
○ 2026-05-07 22:48:04
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● 2026-05-08 10:35:12
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○A3.161.213.1212026-05-07 → 2026-05-08 · 7 obs

○ 2026-05-07 03:37:32
● 2026-05-07 16:21:04
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● 2026-05-08 10:35:12
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○A3.161.213.542026-05-07 → 2026-05-08 · 7 obs

○ 2026-05-07 03:37:32
● 2026-05-07 16:21:04
○ 2026-05-07 22:48:04
○ 2026-05-08 06:25:36
● 2026-05-08 10:35:12
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○ 2026-06-22 11:50:14

○A3.168.147.1292026-02-15 → 2026-03-28 · 30 obs

○ 2026-02-15 16:50:02
● 2026-02-15 17:48:08
○ 2026-02-15 19:39:18
○ 2026-02-15 20:47:32
● 2026-02-15 22:15:36
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● 2026-03-28 03:24:38
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○ 2026-06-22 11:50:14

○A3.168.147.162026-02-15 → 2026-03-28 · 30 obs

○A3.168.147.452026-02-15 → 2026-03-28 · 30 obs

○A3.168.147.792026-02-15 → 2026-03-28 · 30 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
pythonwebconference.com	ns-137.awsdns-17.com, ns-550.awsdns-04.net, ns-1591.awsdns-06.co.uk, ns-1459.awsdns-54.org	2 records

✅ Authoritative Response

Server:205.251.197.179

NS records: ns-137.awsdns-17.com, ns-550.awsdns-04.net, ns-1591.awsdns-06.co.uk, ns-1459.awsdns-54.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pythonwebconference.com (unsigned zone)

⏱️ Timing

Total: 548ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.165.98.11, 18.165.98.119...`
NS	4	`ns-137.awsdns-17.com, ns-1459.awsdns-54.org...`
SOA	1	`ns-550.awsdns-04.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-137.awsdns-17.com, ns-137.awsdns-17.com)

Analysis

Hierarchy

The domain 2020.pythonwebconference.com falls under the parent pythonwebconference.com.

IP Addresses

pythonwebconference.com points to the four IP addresses 13.33.153.7, 13.33.153.22, 13.33.153.48 and 13.33.153.90.

apiv2.app.aula.education, adverity.onlyfy.jobs, ascrea.it plus two other host names have IP numbers in common with pythonwebconference.com.

Name Servers

Four name servers handle the delegation for pythonwebconference.com: ns-137.awsdns-17.com, ns-550.awsdns-04.net, ns-1459.awsdns-54.org and ns-1591.awsdns-06.co.uk.

At least some of pythonwebconference.com's name servers are shared with other domains, for example steamnsteel.com, gracefuneralhome.net, sfytraki.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-137.awsdns-17.com directs to 205.251.192.137 and 2600:9000:5300:8900::1; ns-550.awsdns-04.net directs to 205.251.194.38 and 2600:9000:5302:2600::1; ns-1459.awsdns-54.org directs to 205.251.197.179 and 2600:9000:5305:b300::1; ns-1591.awsdns-06.co.uk directs to 205.251.198.55 and 2600:9000:5306:3700::1.