`bootsschule-koeln.de`

DNSSEC	⚠️ Not signed
A	152.89.92.216^{🇩🇪 MYLOC-ENTERPRISE152.89.92.0/22}
		PTR	`dediweb13215-01.cloud4partner.net`
NS	`ns1.ntdns.de` ⭐
		A	62.141.32.2^{🇩🇪 MYLOC-AS62.141.32.0/20 myLoc managed IT AG}
			PTR	`ns1.ntdns.de`
NS	`ns2.ntdns.de`
		A	62.141.34.2^{🇩🇪 MYLOC-AS62.141.32.0/20 myLoc managed IT AG}
			PTR	`ns2.ntdns.de`
NS	`ns3.ntdns.de`
		A	217.79.176.138^{🇩🇪 MYLOC-AS217.79.176.0/20 myLoc managed IT AG}
			PTR	`ns3.ntdns.de`
MX	`mail.bootsschule-koeln.de` ⭐
		A	152.89.92.216^{🇩🇪 MYLOC-ENTERPRISE152.89.92.0/22}
			PTR	`dediweb13215-01.cloud4partner.net`
TXT	`v=spf1 mx -all`
SOA	`ns1.ntdns.de`hostmaster@fastit.net 2026-03-19 #1

`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.bootsschule-koeln.de

Same first word

bootsschule-koeln.de

DNS History

11 records (5 active, 6 former)

●NSns1.ntdns.de2026-03-23 → 2026-03-23 · 3 obs

○ 2020-04-09 12:20:40
● 2026-03-23 14:36:28
● 2026-03-23 23:37:38

●NSns2.ntdns.de2026-03-23 → 2026-03-23 · 3 obs

○ 2020-04-09 12:20:40
● 2026-03-23 14:36:28
● 2026-03-23 23:37:38

●NSns3.ntdns.de2026-03-23 → 2026-03-23 · 3 obs

○ 2020-04-09 12:20:40
● 2026-03-23 14:36:28
● 2026-03-23 23:37:38

○NSnsa6.schlundtech.de2020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 12:20:40
○ 2026-03-23 14:36:28
○ 2026-03-23 23:37:38

○NSnsb6.schlundtech.de2020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 12:20:40
○ 2026-03-23 14:36:28
○ 2026-03-23 23:37:38

○NSnsc6.schlundtech.de2020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 12:20:40
○ 2026-03-23 14:36:28
○ 2026-03-23 23:37:38

○NSnsd6.schlundtech.de2020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 12:20:40
○ 2026-03-23 14:36:28
○ 2026-03-23 23:37:38

●MXmail.bootsschule-koeln.de2026-03-23 → 2026-03-23 · 3 obs

○ 2020-04-09 12:20:40
● 2026-03-23 14:36:28
● 2026-03-23 23:37:38

○MXplesk.dateitransporter.de2020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 12:20:40
○ 2026-03-23 14:36:28
○ 2026-03-23 23:37:38

●A152.89.92.2162026-03-23 → 2026-03-23 · 3 obs

○ 2020-04-09 12:20:40
● 2026-03-23 14:36:28
● 2026-03-23 23:37:38

○A89.163.130.2442020-04-09 → 2020-04-09 · 3 obs

● 2020-04-09 12:20:40
○ 2026-03-23 14:36:28
○ 2026-03-23 23:37:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
bootsschule-koeln.de	ns1.ntdns.de, ns3.ntdns.de, ns2.ntdns.de	3 records

✅ Authoritative Response

Server:217.79.176.138

NS records: ns1.ntdns.de, ns3.ntdns.de, ns2.ntdns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bootsschule-koeln.de (unsigned zone)

⏱️ Timing

Total: 2339ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`152.89.92.216`
NS	3	`ns2.ntdns.de, ns3.ntdns.de...`
MX	1	`mail.bootsschule-koeln.de (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns1.ntdns.de hostmaster.fastit.net`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.ntdns.de, ns2.ntdns.de, ns1.ntdns.de)

Analysis

Hierarchy

bootsschule-koeln.de is the parent of mail.bootsschule-koeln.de.

IP Addresses

bootsschule-koeln.de resolves to a single IP: 152.89.92.216.

Other host names, for instance, mail.bootsschule-koeln.de, mail.bootsfuehrerscheine-online.com, bootsfuehrerscheine-online.com and dediweb13215-01.cloud4partner.net share IP numbers with bootsschule-koeln.de.

Name Servers

bootsschule-koeln.de delegates to three name servers: ns1.ntdns.de, ns2.ntdns.de and ns3.ntdns.de.

bootsschule-koeln.de shares some name servers with other domains, for example entew.de, w-sm.de, vuralguler.com, 249.157.37.in-addr.arpa and dfauto.de.

Host names with a single IP: ns1.ntdns.de points to 62.141.32.2; ns2.ntdns.de points to 62.141.34.2; ns3.ntdns.de points to 217.79.176.138.

Mail Servers

bootsschule-koeln.de is handled by a single mail server, mail.bootsschule-koeln.de.

Host name mail.bootsschule-koeln.de points to IP 152.89.92.216.

bootsschule-koeln.de - robtex.com