`microtec-academy.de`

DNSSEC	⚠️ Not signed
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}
		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	`secondary006.dtag.net`
		A	2a00:fa8:3:0:100:0:6:1^{🇩🇪 NETUSE2a00:fa8:3::/48 NSDTAG}
			PTR	`secondary006.dtag.net`
		A	195.244.245.25^{🇩🇪 NETUSE195.244.245.0/24}
			PTR	`secondary006.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 include:146008513.spf02.hubspotemail.net -all`
TXT	`HARICA-EyIxYdg9DAPKZDkkh5C`

`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=1776132625

PTR for

75.64-26.194.175.193.in-addr.arpa

Same first word

microtec-academy.de

DNS History

22 records (7 active, 15 former)

○NSdns.typo3server.com2015-12-28 → 2017-04-10 · 5 obs

○ 2015-08-16 03:47:24
● 2015-12-28 23:57:46
● 2017-04-10 05:41:24
○ 2026-03-24 03:41:44
○ 2026-04-14 02:25:30

●NSleda.fbh-berlin.de2026-03-24 → 2026-04-14 · 3 obs

○ 2017-04-10 05:41:24
● 2026-03-24 03:41:44
● 2026-04-14 02:25:30

○NSns.udag.de2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 03:47:24
○ 2015-12-28 23:57:46
○ 2026-04-14 02:25:30

○NSns.udag.net2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 03:47:24
○ 2015-12-28 23:57:46
○ 2026-04-14 02:25:30

○NSns.udag.org2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 03:47:24
○ 2015-12-28 23:57:46
○ 2026-04-14 02:25:30

○NSns2.typo3server.com2015-12-28 → 2017-04-10 · 5 obs

○ 2015-08-16 03:47:24
● 2015-12-28 23:57:46
● 2017-04-10 05:41:24
○ 2026-03-24 03:41:44
○ 2026-04-14 02:25:30

○NSns3.dnsmittwald.de2015-12-28 → 2017-04-10 · 5 obs

○ 2015-08-16 03:47:24
● 2015-12-28 23:57:46
● 2017-04-10 05:41:24
○ 2026-03-24 03:41:44
○ 2026-04-14 02:25:30

●NSpns.dtag.de2026-03-24 → 2026-04-14 · 3 obs

○ 2017-04-10 05:41:24
● 2026-03-24 03:41:44
● 2026-04-14 02:25:30

●NSrhea.fbh-berlin.de2026-03-24 → 2026-04-14 · 3 obs

○ 2017-04-10 05:41:24
● 2026-03-24 03:41:44
● 2026-04-14 02:25:30

●NSsecondary006.dtag.net2026-03-24 → 2026-04-14 · 3 obs

○ 2017-04-10 05:41:24
● 2026-03-24 03:41:44
● 2026-04-14 02:25:30

●MXa2461.mx.srv.dfn.de2026-03-24 → 2026-04-14 · 4 obs

○ 2017-04-10 05:41:24
● 2026-03-24 03:41:44
○ 2026-04-11 05:37:54
● 2026-04-14 02:25:30

●MXb2461.mx.srv.dfn.de2026-03-24 → 2026-04-14 · 4 obs

○ 2017-04-10 05:41:24
● 2026-03-24 03:41:44
○ 2026-04-11 05:37:54
● 2026-04-14 02:25:30

●MXc2461.mx.srv.dfn.de2026-03-24 → 2026-04-14 · 4 obs

○ 2017-04-10 05:41:24
● 2026-03-24 03:41:44
○ 2026-04-11 05:37:54
● 2026-04-14 02:25:30

○MXmx00.udag.de2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 03:47:24
○ 2015-12-28 23:57:46
○ 2026-04-14 02:25:30

○MXmx01.udag.de2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 03:47:24
○ 2015-12-28 23:57:46
○ 2026-04-14 02:25:30

○MXmx1.agenturserver.de2015-12-28 → 2017-04-10 · 5 obs

○ 2015-08-16 03:47:24
● 2015-12-28 23:57:46
● 2017-04-10 05:41:24
○ 2026-03-24 03:41:44
○ 2026-04-14 02:25:30

○MXmx2.agenturserver.de2015-12-28 → 2017-04-10 · 5 obs

○ 2015-08-16 03:47:24
● 2015-12-28 23:57:46
● 2017-04-10 05:41:24
○ 2026-03-24 03:41:44
○ 2026-04-14 02:25:30

○MXmx3.agenturserver.de2015-12-28 → 2017-04-10 · 5 obs

○ 2015-08-16 03:47:24
● 2015-12-28 23:57:46
● 2017-04-10 05:41:24
○ 2026-03-24 03:41:44
○ 2026-04-14 02:25:30

○MXmx4.agenturserver.de2015-12-28 → 2017-04-10 · 5 obs

○ 2015-08-16 03:47:24
● 2015-12-28 23:57:46
● 2017-04-10 05:41:24
○ 2026-03-24 03:41:44
○ 2026-04-14 02:25:30

○A141.28.2.2202015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 03:47:24
○ 2015-12-28 23:57:46
○ 2026-04-14 02:25:30

○A193.175.194.752026-03-24 → 2026-04-11 · 4 obs

○ 2017-04-10 05:41:24
● 2026-03-24 03:41:44
● 2026-04-11 05:37:54
○ 2026-04-14 02:25:30

○A46.30.59.1592015-12-28 → 2017-04-10 · 5 obs

○ 2015-08-16 03:47:24
● 2015-12-28 23:57:46
● 2017-04-10 05:41:24
○ 2026-03-24 03:41:44
○ 2026-04-14 02:25:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
microtec-academy.de	pns.dtag.de, leda.fbh-berlin.de, rhea.fbh-berlin.de, secondary006.dtag.net	4 records

✅ Authoritative Response

Server:195.244.245.25

NS records: pns.dtag.de, leda.fbh-berlin.de, rhea.fbh-berlin.de, secondary006.dtag.net

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at de: Error: DNS query timeout: 194.246.96.1 for DNSKEY de

⏱️ Timing

Total: 3917ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`rhea.fbh-berlin.de, pns.dtag.de...`
MX	3	`b2461.mx.srv.dfn.de (pri: 10), a2461.mx.srv.dfn.de (pri: 10)...`
TXT	2	`v=spf1 ip4:193.175.194.69 include:146008, HARICA-EyIxYdg9DAPKZDkkh5C`
SOA	1	`leda.fbh-berlin.de hostmaster.fbh-berlin`

📌 Glue Records Collected

Total: 4

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

Analysis

Name Servers

microtec-academy.de is delegated to four name servers: pns.dtag.de, leda.fbh-berlin.de, rhea.fbh-berlin.de and secondary006.dtag.net.

microtec-academy.de shares some name servers with other domains, for example havelhoehe.org, dinslaken.tv, witmap.net, weics-us.com and rnd-news.de.

these name servers are often used with ns1.telekom.net, secondary007.dtag.net, secondary004.dtag.net, ns0.niedersachsen.com, dns-3.dfn.de, ns1.vhv.de, deneb.dfn.de, ns1.itergo.net, dnsreh01.rehau.com and dnsreh02.rehau.com.

Host names with two IP numbers: pns.dtag.de points to: 2003:40:8000::100 and 194.25.0.125; secondary006.dtag.net points to: 2a00:fa8:3:0:100:0:6:1 and 195.244.245.25.

Host names with one IP number: leda.fbh-berlin.de points to: 193.175.194.78; rhea.fbh-berlin.de points to: 193.175.194.87.

Mail Servers

microtec-academy.de is handled by three mail servers: a2461.mx.srv.dfn.de, b2461.mx.srv.dfn.de and c2461.mx.srv.dfn.de.

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

Host names with a single IP: 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.

microtec-academy.de - robtex.com