`bieberstein-coaching.de`

DNSSEC	⚠️ Not signed
A	178.254.10.139^{🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK}
		PTR	`sh8-38.1blu.de`
NS	`ns01.1blu.de` ⭐
		A	87.238.195.66^{🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK}
NS	`ns02.1blu.de`
		A	178.254.5.130^{🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK}
MX	`mail.bieberstein-coaching.de` ⭐
		A	178.254.4.101^{🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK}
			PTR	`ms-10.1blu.de`
TXT	`v=spf1 mx include:_spf.1blu.de ~all`
SOA	`ns01.1blu.de`hostmaster@1blu.de 2024-04-15 #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=1786768284

Subdomains

mail.bieberstein-coaching.de

Same first word

bieberstein-coaching.de

DNS History

4 records (4 active, 0 former)

●NSns01.1blu.de2015-07-17 → 2026-08-15 · 2 obs

● 2015-07-17 20:26:48
● 2026-08-15 04:38:28

●NSns02.1blu.de2015-07-17 → 2026-08-15 · 2 obs

● 2015-07-17 20:26:48
● 2026-08-15 04:38:28

●MXmail.bieberstein-coaching.de2015-07-17 → 2026-08-15 · 2 obs

● 2015-07-17 20:26:48
● 2026-08-15 04:38:28

●A178.254.10.1392015-07-17 → 2026-08-15 · 2 obs

● 2015-07-17 20:26:48
● 2026-08-15 04:38:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
bieberstein-coaching.de	ns01.1blu.de, ns02.1blu.de	-

✅ Authoritative Response

Server:87.238.195.66

NS records: ns01.1blu.de, ns02.1blu.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bieberstein-coaching.de (unsigned zone)

⏱️ Timing

Total: 948ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.254.10.139`
NS	2	`ns01.1blu.de, ns02.1blu.de`
MX	1	`mail.bieberstein-coaching.de (pri: 10)`
TXT	1	`v=spf1 mx include:_spf.1blu.de ~all`
SOA	1	`ns01.1blu.de hostmaster.1blu.de`

Analysis

Hierarchy

mail.bieberstein-coaching.de is delegated beneath bieberstein-coaching.de.

IP Addresses

bieberstein-coaching.de resolves to one IP address: 178.254.10.139.

suberio.net, www.jplamke.de, liveperformer.org and two other host names share IP numbers with bieberstein-coaching.de.

Name Servers

bieberstein-coaching.de has two authoritative name servers — ns01.1blu.de and ns02.1blu.de.

bieberstein-coaching.de uses the same name servers as several other domains — among them appkinger.de, zutsch.de, trainersforum.eu and two more.

ns01.1blu.de → 87.238.195.66 and ns02.1blu.de → 178.254.5.130: one IP number per host name.

Mail Servers

Mail for bieberstein-coaching.de is handled by a single mail server, mail.bieberstein-coaching.de.

mail.bieberstein-coaching.de points to one IP number — 178.254.4.101.

bieberstein-coaching.de - robtex.com