python-course.eu - dns.ninja

`python-course.eu`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:c89^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:d89^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:47b6^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.12.137^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.13.137^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.71.182^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amir.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amir.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amir.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amir.ns.cloudflare.com`
		A	108.162.193.62^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amir.ns.cloudflare.com`
		A	172.64.33.62^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amir.ns.cloudflare.com`
		A	173.245.59.62^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amir.ns.cloudflare.com`
NS	`monika.ns.cloudflare.com`
		A	2606:4700:50::a29f:2638^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monika.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c238^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`monika.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2238^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`monika.ns.cloudflare.com`
		A	108.162.194.56^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monika.ns.cloudflare.com`
		A	162.159.38.56^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monika.ns.cloudflare.com`
		A	172.64.34.56^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monika.ns.cloudflare.com`
MX	`www.tux4all.net` ⭐
		A	2a01:4f8:171:286f::4^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`phoenix.tux4all.net`
		A	138.201.17.115^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
			PTR	`phoenix.tux4all.net`
TXT	`google-site-verification=JdFXHL_jINE7mp1g6bK8fvJ9kUo544hz7fFYUXF_9mY`
TXT	`v=spf1 ip4:138.201.17.115 ip6:2a01:4f8:171:286f::4 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.12.137, 104.26.13.137, 172.67.71.182
		IPv6 hints	2606:4700:20::681a:c89, 2606:4700:20::681a:d89, 2606:4700:20::ac43:47b6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=57, name=cloudflare-ech.com
SOA	`amir.ns.cloudflare.com`dns@cloudflare.com serial=2406285440

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1125647171

rank #206309 globally
rank #883 in the tld
WOT: SAFE (76/100)
📈 Tranco rank: #857,898

Previously MX for

python-course.eu

Same first word

python-course.com

python-course.readthedocs.io

python-course.ru

python-course.eu

python-course.store

Similar names

python-source.org

DNS History

19 records (9 active, 10 former)

●NSamir.ns.cloudflare.com2026-03-27 → 2026-06-30 · 3 obs

○ 2017-02-14 07:42:18
● 2026-03-27 18:04:50
● 2026-06-30 02:06:54

●NSmonika.ns.cloudflare.com2026-03-27 → 2026-06-30 · 3 obs

○ 2017-02-14 07:42:18
● 2026-03-27 18:04:50
● 2026-06-30 02:06:54

○NSnsa6.schlundtech.de2015-06-07 → 2017-02-14 · 4 obs

● 2015-06-07 10:12:12
● 2017-02-14 07:42:18
○ 2026-03-27 18:04:50
○ 2026-06-30 02:06:54

○NSnsb6.schlundtech.de2015-06-07 → 2017-02-14 · 4 obs

● 2015-06-07 10:12:12
● 2017-02-14 07:42:18
○ 2026-03-27 18:04:50
○ 2026-06-30 02:06:54

○NSnsc6.schlundtech.de2015-06-07 → 2017-02-14 · 4 obs

● 2015-06-07 10:12:12
● 2017-02-14 07:42:18
○ 2026-03-27 18:04:50
○ 2026-06-30 02:06:54

○NSnsd6.schlundtech.de2015-06-07 → 2017-02-14 · 4 obs

● 2015-06-07 10:12:12
● 2017-02-14 07:42:18
○ 2026-03-27 18:04:50
○ 2026-06-30 02:06:54

○MXpython-course.eu2015-06-07 → 2017-02-14 · 4 obs

● 2015-06-07 10:12:12
● 2017-02-14 07:42:18
○ 2026-03-27 18:04:50
○ 2026-06-30 02:06:54

●MXwww.tux4all.net2026-03-27 → 2026-06-30 · 3 obs

○ 2017-02-14 07:42:18
● 2026-03-27 18:04:50
● 2026-06-30 02:06:54

●A104.26.12.1372026-03-28 → 2026-06-30 · 9 obs

○ 2026-03-27 18:38:18
● 2026-03-28 03:44:06
● 2026-04-19 02:24:12
○ 2026-04-21 12:35:36
● 2026-04-23 09:02:00
● 2026-06-02 13:11:24
○ 2026-06-09 07:02:50
● 2026-06-09 13:37:18
● 2026-06-30 02:06:54

●A104.26.13.1372026-03-28 → 2026-06-30 · 9 obs

●A172.67.71.1822026-03-28 → 2026-06-30 · 9 obs

○A188.114.96.02026-03-27 → 2026-06-09 · 11 obs

○ 2017-02-14 07:42:18
● 2026-03-27 18:04:50
● 2026-03-27 18:38:18
○ 2026-03-28 03:44:06
○ 2026-04-19 02:24:12
● 2026-04-21 12:35:36
○ 2026-04-23 09:02:00
○ 2026-06-02 13:11:24
● 2026-06-09 07:02:50
○ 2026-06-09 13:37:18
○ 2026-06-30 02:06:54

○A188.114.97.02026-03-27 → 2026-06-09 · 11 obs

○A188.40.45.222015-06-07 → 2017-02-14 · 4 obs

● 2015-06-07 10:12:12
● 2017-02-14 07:42:18
○ 2026-03-27 18:04:50
○ 2026-06-30 02:06:54

●A2606:4700:20::681a:c892026-03-27 → 2026-06-30 · 9 obs

○ 2017-02-14 07:42:18
● 2026-03-27 18:04:50
● 2026-04-19 02:24:12
○ 2026-04-21 12:35:36
● 2026-04-23 09:02:00
● 2026-06-02 13:11:24
○ 2026-06-09 07:02:50
● 2026-06-09 13:37:18
● 2026-06-30 02:06:54

●A2606:4700:20::681a:d892026-03-27 → 2026-06-30 · 9 obs

●A2606:4700:20::ac43:47b62026-03-27 → 2026-06-30 · 9 obs

○A2a06:98c1:3120::2026-04-21 → 2026-06-09 · 8 obs

○ 2026-03-27 18:04:50
○ 2026-04-19 02:24:12
● 2026-04-21 12:35:36
○ 2026-04-23 09:02:00
○ 2026-06-02 13:11:24
● 2026-06-09 07:02:50
○ 2026-06-09 13:37:18
○ 2026-06-30 02:06:54

○A2a06:98c1:3121::2026-04-21 → 2026-06-09 · 8 obs

○ 2026-03-27 18:04:50
○ 2026-04-19 02:24:12
● 2026-04-21 12:35:36
○ 2026-04-23 09:02:00
○ 2026-06-02 13:11:24
● 2026-06-09 07:02:50
○ 2026-06-09 13:37:18
○ 2026-06-30 02:06:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
python-course.eu	amir.ns.cloudflare.com, monika.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.56

NS records: amir.ns.cloudflare.com, monika.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for python-course.eu (unsigned zone)

⏱️ Timing

Total: 415ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.12.137, 172.67.71.182...`
AAAA	3	`2606:4700:20::681a:c89, 2606:4700:20::ac43:47b6...`
NS	2	`amir.ns.cloudflare.com, monika.ns.cloudflare.com`
MX	1	`www.tux4all.net (pri: 0)`
TXT	2	`google-site-verification=JdFXHL_jINE7mp1, v=spf1 ip4:138.201.17.115 ip6:2a01:4f8:1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amir.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

With 6 IP addresses in total, python-course.eu resolves to 104.26.12.137, 104.26.13.137, 172.67.71.182 and 3 other.

Among the host names that share IP numbers with python-course.eu are pageseager.com.au, assets.tagconcierge.com, itsupportla.com and two others.

Name Servers

python-course.eu is delegated to two name servers: amir.ns.cloudflare.com and monika.ns.cloudflare.com.

python-course.eu, liveruleta.net, elsonorense.mx, simz.org and laliturgia.org all share the same authoritative name server setup.

python-course.eu partially shares its NS delegation with several other domains, including lsj.org, nova-reklama.hr, avonehd69.com and two others.

These name servers often co-occur with the name servers hasslo.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

amir.ns.cloudflare.com resolves to 108.162.193.62, 172.64.33.62, 173.245.59.62 and 3 other IP addresses.

monika.ns.cloudflare.com resolves to 108.162.194.56, 162.159.38.56, 172.64.34.56 and 3 other IP addresses.

Mail Servers

python-course.eu routes its mail through a single mail server, www.tux4all.net.

python-course.eu has the same mail server arrangement as a number of other domains, for example bklein.de, zord.ch, linux-schulung.org and two more.

The host www.tux4all.net resolves to 138.201.17.115 and 2a01:4f8:171:286f::4 — two IP addresses.