python-book.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`python-book.com`

DNSSEC	⚠️ Not signed
A	2a03:4000:30:77d0::13:893^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
A	91.204.46.22^{🇩🇪 netcup-AS91.204.46.0/24}
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.python-book.com` ⭐
		A	91.204.46.24
MX	`mx2e18.netcup.net`⁽⁵⁰⁾
		A	2a03:4000:0:392:14a7:38ff:fee4:caa8
		A	91.204.46.24
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2022-02-01 #15

`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=1789217688

Subdomains

mail.python-book.com

Same first word

python-book.de

python-book.pages.dev

python-book.readthedocs.io

python-book.com

DNS History

7 records (7 active, 0 former)

●NSroot-dns.netcup.net2026-09-08 → 2026-09-12 · 2 obs

● 2026-09-08 16:09:08
● 2026-09-12 12:56:02

●NSsecond-dns.netcup.net2026-09-08 → 2026-09-12 · 2 obs

● 2026-09-08 16:09:08
● 2026-09-12 12:56:02

●NSthird-dns.netcup.net2026-09-08 → 2026-09-12 · 2 obs

● 2026-09-08 16:09:08
● 2026-09-12 12:56:02

●MXmail.python-book.com2026-09-08 → 2026-09-12 · 2 obs

● 2026-09-08 16:09:08
● 2026-09-12 12:56:02

●MXmx2e18.netcup.net2026-09-08 → 2026-09-12 · 2 obs

● 2026-09-08 16:09:08
● 2026-09-12 12:56:02

●A2a03:4000:30:77d0::13:8932026-09-08 → 2026-09-12 · 2 obs

● 2026-09-08 16:09:08
● 2026-09-12 12:56:02

●A91.204.46.222026-09-08 → 2026-09-12 · 2 obs

● 2026-09-08 16:09:08
● 2026-09-12 12:56:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
python-book.com	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:188.68.63.68

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for python-book.com (unsigned zone)

⏱️ Timing

Total: 4756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.204.46.22`
AAAA	1	`2a03:4000:30:77d0::13:893`
NS	3	`root-dns.netcup.net, third-dns.netcup.net...`
MX	2	`mail.python-book.com (pri: 10), mx2e18.netcup.net (pri: 50)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

mail.python-book.com is delegated beneath python-book.com.

IP Addresses

python-book.com has two IP addresses: 91.204.46.22 and 2a03:4000:30:77d0::13:893

Other host names, for instance python-book.de, die-ernestis.de, python-buch.de and lpe-media.de share IP numbers with python-book.com.

Name Servers

python-book.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each resolve to two IP addresses: root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

The MX records for python-book.com point to two mail servers: mail.python-book.com and mx2e18.netcup.net.

Host names with two IP numbers:

The host name mx2e18.netcup.net points to: 91.204.46.24 and 2a03:4000:0:392:14a7:38ff:fee4:caa8.

Host names with one IP number:

The host name mail.python-book.com points to: 91.204.46.24.

Host names that point to 91.204.46.24 : mx2e18.netcup.net and mail.python-book.com.