pythonfortesters.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`pythonfortesters.com`

DNSSEC	⚠️ Not signed
A	78.40.146.168^{🇬🇧 TELEDATA78.40.146.0/24 Teledata Network 78.40.146.0}
		PTR	`td168.digitalutilities.co.uk`
NS	`x.ns.joker.com` ⭐ ⚠️ Not in parent delegation
		A	194.245.103.13^{🇩🇪 CSL194.245.0.0/16 DE-CSL-GMBH-PA}
			PTR	`x.ns.joker.com`
NS	`a.ns.joker.com` ⚠️ Not in zone NS records
		A	2a01:4f8:c0c:165b::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`y.ns.joker.com`
		A	23.88.49.189^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
			PTR	`static.189.49.88.23.clients.your-server.de`
NS	`b.ns.joker.com` ⚠️ Not in zone NS records
		A	159.25.97.69^{🇩🇪 CSL159.25.0.0/16}
			PTR	`b.ns.joker.com`
NS	`c.ns.joker.com` ⚠️ Not in zone NS records
		A	2607:5300:203:7e6d::2222^{🇨🇦 OVH2607:5300::/32 Hosting route}
			PTR	`z.ns.joker.com`
		A	192.95.37.184^{🇨🇦 OVH192.95.0.0/18 Hosting route}
			PTR	`z.ns.joker.com`
NS	`y.ns.joker.com` ⚠️ Not in parent delegation
		A	2a01:4f8:c0c:165b::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`y.ns.joker.com`
		A	23.88.49.189^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
			PTR	`static.189.49.88.23.clients.your-server.de`
NS	`z.ns.joker.com` ⚠️ Not in parent delegation
		A	2607:5300:203:7e6d::2222^{🇨🇦 OVH2607:5300::/32 Hosting route}
			PTR	`z.ns.joker.com`
		A	192.95.37.184^{🇨🇦 OVH192.95.0.0/18 Hosting route}
			PTR	`z.ns.joker.com`
MX	`mail.pythonfortesters.com` ⭐
		A	78.40.146.165^{🇬🇧 TELEDATA78.40.146.0/24 Teledata Network 78.40.146.0}
SOA	`x.ns.joker.com`hostmaster@joker.com 2017-11-30 #67

`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=1787295114

Subdomains

mail.pythonfortesters.com

Same first word

pythonfortesters.com

Previous names

Next names

DNS History

10 records (8 active, 2 former)

●NSa.ns.joker.com2015-07-20 → 2026-08-21 · 2 obs

● 2015-07-20 17:57:22
● 2026-08-21 06:58:40

●NSb.ns.joker.com2015-07-20 → 2026-08-21 · 2 obs

● 2015-07-20 17:57:22
● 2026-08-21 06:58:40

●NSc.ns.joker.com2015-07-20 → 2026-08-21 · 2 obs

● 2015-07-20 17:57:22
● 2026-08-21 06:58:40

●NSx.ns.joker.com2026-08-20 → 2026-08-21 · 3 obs

○ 2015-07-20 17:57:22
● 2026-08-20 17:45:14
● 2026-08-21 06:58:40

●NSy.ns.joker.com2026-08-20 → 2026-08-21 · 3 obs

○ 2015-07-20 17:57:22
● 2026-08-20 17:45:14
● 2026-08-21 06:58:40

●NSz.ns.joker.com2026-08-20 → 2026-08-21 · 3 obs

○ 2015-07-20 17:57:22
● 2026-08-20 17:45:14
● 2026-08-21 06:58:40

●MXmail.pythonfortesters.com2018-10-20 → 2026-08-21 · 2 obs

● 2018-10-20 19:09:28
● 2026-08-21 06:58:40

○A185.43.49.1962017-02-09 → 2017-02-09 · 4 obs

○ 2016-06-01 11:41:06
● 2017-02-09 11:39:30
○ 2018-10-20 19:09:28
○ 2026-08-21 06:58:40

○A185.43.49.2012015-07-20 → 2016-06-01 · 4 obs

● 2015-07-20 17:57:22
● 2016-06-01 11:41:06
○ 2017-02-09 11:39:30
○ 2026-08-21 06:58:40

●A78.40.146.1682018-10-20 → 2026-08-21 · 3 obs

○ 2017-02-09 11:39:30
● 2018-10-20 19:09:28
● 2026-08-21 06:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...	-
pythonfortesters.com	a.ns.joker.com, b.ns.joker.com, c.ns.joker.com	5 records

✅ Authoritative Response

Server:159.25.97.69

NS records: a.ns.joker.com, b.ns.joker.com, c.ns.joker.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pythonfortesters.com (unsigned zone)

⏱️ Timing

Total: 480ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.40.146.168`
NS	3	`x.ns.joker.com, y.ns.joker.com...`
MX	1	`mail.pythonfortesters.com (pri: 50)`
SOA	1	`x.ns.joker.com hostmaster.joker.com`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (a.ns.joker.com, a.ns.joker.com, b.ns.joker.com...)

Analysis

Hierarchy

mail.pythonfortesters.com is a subdomain of pythonfortesters.com.

IP Addresses

pythonfortesters.com resolves to one IP address: 78.40.146.168.

Name Servers

pythonfortesters.com is delegated to 6 name servers: a.ns.joker.com, b.ns.joker.com, c.ns.joker.com and 3 other.

The name servers of pythonfortesters.com overlap at least partially with those of other domains — among them maxavita.com, foamlab.info, esperanto.at and two more.

The name servers x.ns.joker.com, y.ns.joker.com and z.ns.joker.com are commonly seen alongside these name servers.

Hostnames that resolve to two IP addresses:

a.ns.joker.com points to 23.88.49.189 and 2a01:4f8:c0c:165b::1.

c.ns.joker.com points to 192.95.37.184 and 2607:5300:203:7e6d::2222.

y.ns.joker.com points to 23.88.49.189 and 2a01:4f8:c0c:165b::1.

z.ns.joker.com points to 192.95.37.184 and 2607:5300:203:7e6d::2222.

Hosts with just one IP address:

b.ns.joker.com points to 159.25.97.69.

x.ns.joker.com points to 194.245.103.13.

a.ns.joker.com and y.ns.joker.com are host names that each point to 2a01:4f8:c0c:165b::1 IP addresses.

a.ns.joker.com and y.ns.joker.com are host names that each point to 23.88.49.189 IP addresses.

c.ns.joker.com and z.ns.joker.com are host names that each point to 2607:5300:203:7e6d::2222 IP addresses.

c.ns.joker.com and z.ns.joker.com are host names that each point to 192.95.37.184 IP addresses.

Mail Servers

Mail for pythonfortesters.com is handled by a single mail server, mail.pythonfortesters.com.

mail.pythonfortesters.com resolves to a single IP number: 78.40.146.165.