`technology-training.de`

DNSSEC	⚠️ Not signed
A	91.195.241.232^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl1.sedo.com` ⭐
		A	91.195.240.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl2.sedo.com`
		A	91.195.241.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
MX	`localhost` ⭐
TXT	`v=spf1 -all`
SOA	`sl1.sedo.com`hostmaster@sedo.de 2018-05-16 #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=1774839460

Subdomains

mx0.technology-training.de

Same first word

technology-training.de

technology-training.co.uk

DNS History

9 records (4 active, 5 former)

○NSns1.hans.hosteurope.de2015-07-06 → 2016-12-17 · 4 obs

● 2015-07-06 01:59:32
● 2016-12-17 12:08:40
○ 2026-03-29 22:45:20
○ 2026-03-30 03:19:48

○NSns2.hans.hosteurope.de2015-07-06 → 2016-12-17 · 4 obs

● 2015-07-06 01:59:32
● 2016-12-17 12:08:40
○ 2026-03-29 22:45:20
○ 2026-03-30 03:19:48

●NSsl1.sedo.com2026-03-29 → 2026-03-30 · 3 obs

○ 2016-12-17 12:08:40
● 2026-03-29 22:45:20
● 2026-03-30 03:19:48

●NSsl2.sedo.com2026-03-29 → 2026-03-30 · 3 obs

○ 2016-12-17 12:08:40
● 2026-03-29 22:45:20
● 2026-03-30 03:19:48

●MXlocalhost2026-03-29 → 2026-03-30 · 3 obs

○ 2016-12-17 12:08:40
● 2026-03-29 22:45:20
● 2026-03-30 03:19:48

○MXmx0.technology-training.de2015-07-06 → 2016-12-17 · 4 obs

● 2015-07-06 01:59:32
● 2016-12-17 12:08:40
○ 2026-03-29 22:45:20
○ 2026-03-30 03:19:48

○A2a01:488:42:1000:50ed:846b:85:90562015-07-06 → 2016-12-17 · 4 obs

● 2015-07-06 01:59:32
● 2016-12-17 12:08:40
○ 2026-03-29 22:45:20
○ 2026-03-30 03:19:48

○A80.237.132.1072015-07-06 → 2016-12-17 · 4 obs

● 2015-07-06 01:59:32
● 2016-12-17 12:08:40
○ 2026-03-29 22:45:20
○ 2026-03-30 03:19:48

●A91.195.241.2322026-03-29 → 2026-03-30 · 3 obs

○ 2016-12-17 12:08:40
● 2026-03-29 22:45:20
● 2026-03-30 03:19:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
technology-training.de	sl1.sedo.com, sl2.sedo.com	-

✅ Authoritative Response

Server:91.195.241.173

NS records: sl1.sedo.com, sl2.sedo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for technology-training.de (unsigned zone)

⏱️ Timing

Total: 846ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.241.232`
NS	2	`sl1.sedo.com, sl2.sedo.com`
MX	1	`localhost (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`sl1.sedo.com hostmaster.sedo.de`

Analysis

Hierarchy

The parent of mx0.technology-training.de is technology-training.de.

IP Addresses

technology-training.de points to a single IP: 91.195.241.232.

Other host names, for instance tennis.mx, mail.ciservices.de, 3dp.it, spinart.eu and clickngo.eu share IP numbers with technology-training.de.

Name Servers

Two name servers sl1.sedo.com and sl2.sedo.com handle delegation for technology-training.de.

technology-training.de uses the same name server setup as other domains, for example 2pay.eu, fnsp.eu, yje.eu, odell.eu and typo3-handbuch.de.

technology-training.de partially shares name servers with other domains, such as v52.co.uk and bridgeit.eu.

these name servers are commonly used with the name servers eczm2gtf.verify.hn.

Host names with one IP number: The host name sl1.sedo.com points to 91.195.240.173 and the host name sl2.sedo.com points to 91.195.241.173.

Mail Servers

technology-training.de is handled by a single mail server, localhost.

technology-training.de has the same mail server setup as other domains, including wtiv.com, carob.com.au, shp.fr, www.conmadera.com and zenways.de.

technology-training.de - robtex.com