`microlab-berlin.de`

DNSSEC	⚠️ Not signed
A	193.175.194.74^{🇩🇪 DFN193.174.0.0/15 -AGG-1}
NS	`leda.fbh-berlin.de` ⭐
		A	193.175.194.78^{🇩🇪 DFN193.174.0.0/15 -AGG-1}
NS	`pns.dtag.de`
		A	2003:40:8000::100^{🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space}
			PTR	`pns.dtag.de`
		A	194.25.0.125^{🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider}
			PTR	`pns.dtag.de`
NS	`rhea.fbh-berlin.de`
		A	193.175.194.87^{🇩🇪 DFN193.174.0.0/15 -AGG-1}
NS	`secondary004.dtag.net`
		A	2a00:fa8:3:0:100:0:4:1^{🇩🇪 NETUSE2a00:fa8:3::/48 NSDTAG}
			PTR	`secondary004.dtag.net`
		A	195.244.245.27^{🇩🇪 NETUSE195.244.245.0/24}
			PTR	`secondary004.dtag.net`
MX	`a2461.mx.srv.dfn.de` ⭐
		A	194.95.232.213^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`a2461.mx.srv.dfn.de`
MX	`b2461.mx.srv.dfn.de` ⭐
		A	194.95.234.213^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`b2461.mx.srv.dfn.de`
MX	`c2461.mx.srv.dfn.de` ⭐
		A	194.95.238.213^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`c2461.mx.srv.dfn.de`
TXT	`v=spf1 ip4:193.175.194.69 -all`
SOA	`leda.fbh-berlin.de`hostmaster@fbh-berlin.de 2025-12-19 #0

`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=1776206086

Same first word

microlab-berlin.de

DNS History

17 records (8 active, 9 former)

○NScns.fta-berlin.de2015-07-08 → 2018-08-26 · 4 obs

● 2015-07-08 06:04:50
● 2018-08-26 09:34:56
○ 2026-02-16 20:44:18
○ 2026-04-14 22:36:14

○NSdns-e1.fbh-berlin.de2016-11-22 → 2016-12-03 · 5 obs

○ 2015-07-08 06:04:50
● 2016-11-22 23:52:46
● 2016-12-03 13:00:38
○ 2018-08-26 09:34:56
○ 2026-04-14 22:36:14

○NSdns-e2.fbh-berlin.de2016-11-22 → 2016-12-03 · 5 obs

○ 2015-07-08 06:04:50
● 2016-11-22 23:52:46
● 2016-12-03 13:00:38
○ 2018-08-26 09:34:56
○ 2026-04-14 22:36:14

○NSgaia.fbh-berlin.de2016-12-03 → 2016-12-03 · 4 obs

○ 2016-11-22 23:52:46
● 2016-12-03 13:00:38
○ 2018-08-26 09:34:56
○ 2026-04-14 22:36:14

○NSge.fbh-berlin.de2016-12-03 → 2016-12-03 · 4 obs

○ 2016-11-22 23:52:46
● 2016-12-03 13:00:38
○ 2018-08-26 09:34:56
○ 2026-04-14 22:36:14

●NSleda.fbh-berlin.de2015-07-08 → 2026-04-14 · 2 obs

● 2015-07-08 06:04:50
● 2026-04-14 22:36:14

○NSniobe.fbh-berlin.de2016-11-22 → 2016-12-03 · 5 obs

○ 2015-07-08 06:04:50
● 2016-11-22 23:52:46
● 2016-12-03 13:00:38
○ 2018-08-26 09:34:56
○ 2026-04-14 22:36:14

○NSns.medienstadt.net2015-07-08 → 2018-08-26 · 4 obs

● 2015-07-08 06:04:50
● 2018-08-26 09:34:56
○ 2026-02-16 20:44:18
○ 2026-04-14 22:36:14

●NSpns.dtag.de2026-02-16 → 2026-04-14 · 3 obs

○ 2018-08-26 09:34:56
● 2026-02-16 20:44:18
● 2026-04-14 22:36:14

●NSrhea.fbh-berlin.de2018-08-26 → 2026-04-14 · 3 obs

○ 2016-12-03 13:00:38
● 2018-08-26 09:34:56
● 2026-04-14 22:36:14

●NSsecondary004.dtag.net2026-02-16 → 2026-04-14 · 3 obs

○ 2018-08-26 09:34:56
● 2026-02-16 20:44:18
● 2026-04-14 22:36:14

●MXa2461.mx.srv.dfn.de2026-02-16 → 2026-04-14 · 3 obs

○ 2018-08-26 09:34:56
● 2026-02-16 20:44:18
● 2026-04-14 22:36:14

○MXagent-j.bb.fv-berlin.de2015-07-08 → 2018-08-26 · 4 obs

● 2015-07-08 06:04:50
● 2018-08-26 09:34:56
○ 2026-02-16 20:44:18
○ 2026-04-14 22:36:14

○MXagent-k.bb.fv-berlin.de2015-07-08 → 2018-08-26 · 4 obs

● 2015-07-08 06:04:50
● 2018-08-26 09:34:56
○ 2026-02-16 20:44:18
○ 2026-04-14 22:36:14

●MXb2461.mx.srv.dfn.de2026-02-16 → 2026-04-14 · 3 obs

○ 2018-08-26 09:34:56
● 2026-02-16 20:44:18
● 2026-04-14 22:36:14

●MXc2461.mx.srv.dfn.de2026-02-16 → 2026-04-14 · 3 obs

○ 2018-08-26 09:34:56
● 2026-02-16 20:44:18
● 2026-04-14 22:36:14

●A193.175.194.742026-02-16 → 2026-04-14 · 2 obs

● 2026-02-16 20:44:18
● 2026-04-14 22:36:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, a.nic.de, z.nic.de	-
microlab-berlin.de	rhea.fbh-berlin.de, leda.fbh-berlin.de, pns.dtag.de, secondary004.dtag.net	4 records

✅ Authoritative Response

Server:195.244.245.27

NS records: rhea.fbh-berlin.de, leda.fbh-berlin.de, pns.dtag.de, secondary004.dtag.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for microlab-berlin.de (unsigned zone)

⏱️ Timing

Total: 1267ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.175.194.74`
NS	4	`secondary004.dtag.net, pns.dtag.de...`
MX	3	`c2461.mx.srv.dfn.de (pri: 10), b2461.mx.srv.dfn.de (pri: 10)...`
TXT	1	`v=spf1 ip4:193.175.194.69 -all`
SOA	1	`leda.fbh-berlin.de hostmaster.fbh-berlin`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (rhea.fbh-berlin.de, leda.fbh-berlin.de, pns.dtag.de...)

Analysis

IP Addresses

microlab-berlin.de points to IP number 193.175.194.74.

For instance, other host names fbh-berlin.de, fbh-berlin.org, iculta.com, anh-berlin.de and berlin-widebase.de share IP numbers with microlab-berlin.de.

Name Servers

microlab-berlin.de is delegated to four name servers: pns.dtag.de, leda.fbh-berlin.de, rhea.fbh-berlin.de and secondary004.dtag.net.

microlab-berlin.de shares name servers with other domains at least partially, for example 233.138.87.in-addr.arpa, 70.128.87.in-addr.arpa, moi.de, 2.185.212.in-addr.arpa and auto-pro.de.

these name servers are commonly used with the name servers ns1.telekom.net, secondary006.dtag.net, secondary007.dtag.net, dns-3.dfn.de, dns1.telekom.de, dns2.telekom.de, deneb.dfn.de, dnsx2306.huk-coburg.de and ns0.niedersachsen.com.

Hosts with two IP addresses:

pns.dtag.de points to 2003:40:8000::100 and 194.25.0.125.

secondary004.dtag.net points to 2a00:fa8:3:0:100:0:4:1 and 195.244.245.27.

Hosts with one IP address:

leda.fbh-berlin.de points to 193.175.194.78.

rhea.fbh-berlin.de points to 193.175.194.87.

Mail Servers

microlab-berlin.de is served by three mail servers: a2461.mx.srv.dfn.de, b2461.mx.srv.dfn.de and c2461.mx.srv.dfn.de.

microlab-berlin.de shares some mail servers with other domains, at least partially; examples include fbh-berlin.de, iculta.com and microtec-academy.de.

Host names with a single IP address: a2461.mx.srv.dfn.de points to 194.95.232.213; b2461.mx.srv.dfn.de points to 194.95.234.213; c2461.mx.srv.dfn.de points to 194.95.238.213.

microlab-berlin.de - robtex.com