`professionalstart.de`

DNSSEC	⚠️ Not signed
A	2a03:4000:30:410b::11:6731^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
A	10.16.40.32
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.professionalstart.de` ⭐
		A	188.68.47.119^{🇩🇪 netcup-AS188.68.47.0/24}
			PTR	`mx2f77.netcup.net`
MX	`mx2f77.netcup.net`⁽⁵⁰⁾
		A	188.68.47.119^{🇩🇪 netcup-AS188.68.47.0/24}
			PTR	`mx2f77.netcup.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2020-12-09 #18

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1773553752

Subdomains

mail.professionalstart.de

Same first word

professionalstart.com

professionalstart.de

DNS History

10 records (7 active, 3 former)

○NSns5.nameserverservice.de2015-05-07 → 2017-04-02 · 4 obs

● 2015-05-07 09:49:54
● 2017-04-02 22:37:32
○ 2026-03-06 08:34:34
○ 2026-03-23 06:14:24

○NSns6.nameserverservice.de2015-05-07 → 2017-04-02 · 4 obs

● 2015-05-07 09:49:54
● 2017-04-02 22:37:32
○ 2026-03-06 08:34:34
○ 2026-03-23 06:14:24

●NSroot-dns.netcup.net2026-03-06 → 2026-03-23 · 3 obs

○ 2017-04-02 22:37:32
● 2026-03-06 08:34:34
● 2026-03-23 06:14:24

●NSsecond-dns.netcup.net2026-03-06 → 2026-03-23 · 3 obs

○ 2017-04-02 22:37:32
● 2026-03-06 08:34:34
● 2026-03-23 06:14:24

●NSthird-dns.netcup.net2026-03-06 → 2026-03-23 · 3 obs

○ 2017-04-02 22:37:32
● 2026-03-06 08:34:34
● 2026-03-23 06:14:24

●MXmail.professionalstart.de2015-05-07 → 2026-03-23 · 2 obs

● 2015-05-07 09:49:54
● 2026-03-23 06:14:24

●MXmx2f77.netcup.net2026-03-06 → 2026-03-23 · 3 obs

○ 2015-05-07 09:49:54
● 2026-03-06 08:34:34
● 2026-03-23 06:14:24

●A10.16.40.322026-03-06 → 2026-03-23 · 3 obs

○ 2017-04-02 22:37:32
● 2026-03-06 08:34:34
● 2026-03-23 06:14:24

●A2a03:4000:30:410b::11:67312026-03-06 → 2026-03-23 · 3 obs

○ 2017-04-02 22:37:32
● 2026-03-06 08:34:34
● 2026-03-23 06:14:24

○A62.75.250.152015-05-07 → 2017-04-02 · 4 obs

● 2015-05-07 09:49:54
● 2017-04-02 22:37:32
○ 2026-03-06 08:34:34
○ 2026-03-23 06:14:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
professionalstart.de	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:46.38.225.225

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professionalstart.de (unsigned zone)

⏱️ Timing

Total: 1019ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`10.16.40.32`
AAAA	1	`2a03:4000:30:410b::11:6731`
NS	3	`root-dns.netcup.net, second-dns.netcup.net...`
MX	2	`mx2f77.netcup.net (pri: 50), mail.professionalstart.de (pri: 10)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

professionalstart.de is the parent of mail.professionalstart.de.

IP Addresses

professionalstart.de points to two IPs: 2a03:4000:30:410b::11:6731 and 10.16.40.32.

Name Servers

professionalstart.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

professionalstart.de at least partially shares name servers with other domains, including video-list.de, handbike.info, devckone.de, sirpilan.de and schreinerei-summerer.de.

Host names with two IP numbers:

root-dns.netcup.net points to: 2a03:4000:0:1::e1e1 and 46.38.225.225

second-dns.netcup.net points to: 2a03:4000:2:24b::c7c7 and 37.221.199.199

third-dns.netcup.net points to: 2a03:4001:0:106::3f44 and 188.68.63.68

Mail Servers

professionalstart.de is handled by two mail servers: mail.professionalstart.de and mx2f77.netcup.net.

The mail servers for professionalstart.de are shared with other domains, for instance sciencesolutions.eu, lerntherapie-heidelberg.de, mirino.de, bremerspieletage.de and bsv-traar.com.

these mail servers are commonly used with mail.lerntherapie-heidelberg.de, mail.mirino.de, mail.bremerspieletage.de and mail.bsv-traar.com.

Host names with a single IP:

- mail.professionalstart.de points to 188.68.47.119

- mx2f77.netcup.net points to 188.68.47.119

Host names that point to 188.68.47.119: mail.professionalstart.de and mx2f77.netcup.net

professionalstart.de - robtex.com