`blw-essen.de`

DNSSEC	⚠️ Not signed
NS	`ns01.datev.de` ⭐
		A	2a00:e50:f155:a::5^{🇩🇪 DATEV-AS2a00:e50::/29 Datev eG 90329 Nuernberg}
			PTR	`ns01.datev.de`
		A	193.27.50.5^{🇩🇪 DATEV-AS193.27.48.0/21 Datev eG 90329 Nuernberg}
			PTR	`ns01.datev.de`
NS	`ns02.datev.com`
		A	2a00:e50:f157::5^{🇩🇪 DATEV-AS2a00:e50::/29 Datev eG 90329 Nuernberg}
			PTR	`ns02.datev.com`
		A	193.27.54.5^{🇩🇪 DATEV-AS193.27.48.0/21 Datev eG 90329 Nuernberg}
			PTR	`ns02.datev.com`
MX	`mailin11.prod.datevnet.com` ⭐
		A	2a00:e50:f155:7::d8^{🇩🇪 DATEV-AS2a00:e50::/29 Datev eG 90329 Nuernberg}
			PTR	`mailin11.prod.datevnet.com`
		A	193.27.49.216^{🇩🇪 DATEV-AS193.27.48.0/21 Datev eG 90329 Nuernberg}
			PTR	`mailin11.prod.datevnet.com`
MX	`mailin12.prod.datevnet.de` ⭐
		A	2a00:e50:f155:7::d9^{🇩🇪 DATEV-AS2a00:e50::/29 Datev eG 90329 Nuernberg}
			PTR	`mailin12.prod.datevnet.de`
		A	193.27.49.217^{🇩🇪 DATEV-AS193.27.48.0/21 Datev eG 90329 Nuernberg}
			PTR	`mailin12.prod.datevnet.de`
TXT	`v=spf1 include:datevnet._spf.datev.de ~all`
SOA	`ns01.datev.de`dnsmaster@datev.de serial=2604111843

`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=1775972994

Same first word

blw-essen.de

DNS History

12 records (4 active, 8 former)

●NSns01.datev.de2015-07-11 → 2026-04-12 · 2 obs

● 2015-07-11 17:04:30
● 2026-04-12 05:50:28

●NSns02.datev.com2015-07-11 → 2026-04-12 · 2 obs

● 2015-07-11 17:04:30
● 2026-04-12 05:50:28

○MXidsmailin11.datevnet.com2015-07-11 → 2018-06-08 · 3 obs

● 2015-07-11 17:04:30
● 2018-06-08 16:52:46
○ 2026-04-12 05:50:28

○MXidsmailin12.datevnet.de2015-11-22 → 2018-06-08 · 4 obs

○ 2015-07-11 17:04:30
● 2015-11-22 10:16:50
● 2018-06-08 16:52:46
○ 2026-04-12 05:50:28

○MXidsmailin13.datevnet.com2016-02-28 → 2018-06-08 · 4 obs

○ 2015-11-22 10:16:50
● 2016-02-28 04:18:14
● 2018-06-08 16:52:46
○ 2026-04-12 05:50:28

○MXidsmailin14.datevnet.de2016-02-28 → 2018-06-08 · 4 obs

○ 2015-11-22 10:16:50
● 2016-02-28 04:18:14
● 2018-06-08 16:52:46
○ 2026-04-12 05:50:28

○MXidvmailin12.datevnet.de2015-07-11 → 2015-07-11 · 3 obs

● 2015-07-11 17:04:30
○ 2015-11-22 10:16:50
○ 2026-04-12 05:50:28

○MXidvmailin13.datevnet.de2015-07-11 → 2015-11-22 · 4 obs

● 2015-07-11 17:04:30
● 2015-11-22 10:16:50
○ 2016-02-28 04:18:14
○ 2026-04-12 05:50:28

○MXidvmailin14.datevnet.de2015-07-11 → 2015-11-22 · 4 obs

● 2015-07-11 17:04:30
● 2015-11-22 10:16:50
○ 2016-02-28 04:18:14
○ 2026-04-12 05:50:28

●MXmailin11.prod.datevnet.com2026-04-12 → 2026-04-12 · 2 obs

○ 2018-06-08 16:52:46
● 2026-04-12 05:50:28

●MXmailin12.prod.datevnet.de2026-04-12 → 2026-04-12 · 2 obs

○ 2018-06-08 16:52:46
● 2026-04-12 05:50:28

○A193.27.50.1802015-07-11 → 2016-05-02 · 4 obs

● 2015-07-11 17:04:30
● 2016-05-02 18:26:44
○ 2017-02-05 14:23:54
○ 2026-04-12 05:50:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, f.nic.de, a.nic.de	-
blw-essen.de	ns01.datev.de, ns02.datev.com	2 records

✅ Authoritative Response

Server:193.27.54.5

NS records: ns01.datev.de, ns02.datev.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blw-essen.de (unsigned zone)

⏱️ Timing

Total: 1162ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns01.datev.de, ns02.datev.com`
MX	2	`mailin11.prod.datevnet.com (pri: 0), mailin12.prod.datevnet.de (pri: 0)`
TXT	1	`v=spf1 include:datevnet._spf.datev.de ~a`
SOA	1	`ns01.datev.de dnsmaster.datev.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns01.datev.de, ns01.datev.de)

Analysis

Name Servers

blw-essen.de is delegated to two name servers: ns02.datev.com and ns01.datev.de.

blw-essen.de uses the same name server setup as other domains, for instance wachter-steuerberater.de, treuhand-weinheim.de, stb-serfas.de, esche.de and hwstb.de.

Host names with two IP numbers:

The host ns02.datev.com points to 2a00:e50:f157::5 and 193.27.54.5.

The host ns01.datev.de points to 2a00:e50:f155:a::5 and 193.27.50.5.

Mail Servers

blw-essen.de is handled by two mail servers: mailin11.prod.datevnet.com and mailin12.prod.datevnet.de.

blw-essen.de shares the same mail server setup as other domains, including stb-studtrucker.de, rwsg.eu, stbschmitt.de, taxx.eu and bwc-berater.de.