`steffens-systems.com`

DNSSEC	⚠️ Not signed
A	87.237.121.147^{🇩🇪 NETBUILD-AS87.237.120.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
		PTR	`web13.net-server.de`
NS	`nsa8.schlundtech.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:227^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-stec.ui-dns.com`
		A	185.132.34.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.com`
NS	`nsb8.schlundtech.de`
		A	2607:f1c0:fe:53:185:132:35:227^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-stec.ui-dns.org`
		A	185.132.35.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.org`
NS	`nsc8.schlundtech.de`
		A	2001:8d8:fe:53:217:160:80:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
		A	217.160.80.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
NS	`nsd8.schlundtech.de`
		A	2001:8d8:fe:53:217:160:81:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
		A	217.160.81.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
MX	`as02.edvxpert.net` ⭐
		A	89.163.222.166^{🇩🇪 MYLOC-AS89.163.128.0/17 myLoc managed IT AG}
			PTR	`as02.edvxpert.net`
MX	`as01.edvxpert.net`⁽¹⁰⁾
		A	89.163.222.165^{🇩🇪 MYLOC-AS89.163.128.0/17 myLoc managed IT AG}
			PTR	`as01.edvxpert.net`
TXT	`v=spf1 include:spf.protection.outlook.com include:as01.edvxpert.net include:a...`
SOA	`nsa8.schlundtech.de`info@edvxpert.de 2023-09-21 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778811906

Same first word

steffens-systems.de

steffens-systems.eu

steffens-systems.com

DNS History

14 records (7 active, 7 former)

●NSnsa8.schlundtech.de2015-06-03 → 2026-05-15 · 3 obs

○ 2008-03-19 00:58:16
● 2015-06-03 20:43:40
● 2026-05-15 02:52:58

●NSnsb8.schlundtech.de2015-06-03 → 2026-05-15 · 3 obs

○ 2008-03-19 00:58:16
● 2015-06-03 20:43:40
● 2026-05-15 02:52:58

●NSnsc8.schlundtech.de2015-06-03 → 2026-05-15 · 3 obs

○ 2008-03-19 00:58:16
● 2015-06-03 20:43:40
● 2026-05-15 02:52:58

●NSnsd8.schlundtech.de2015-06-03 → 2026-05-15 · 3 obs

○ 2008-03-19 00:58:16
● 2015-06-03 20:43:40
● 2026-05-15 02:52:58

○NSserver1-ns1.udagdns.net2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 00:58:16
○ 2015-06-03 20:43:40
○ 2026-05-15 02:52:58

○NSserver1-ns2.udagdns.net2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 00:58:16
○ 2015-06-03 20:43:40
○ 2026-05-15 02:52:58

○NSserver1-ns3.udagdns.net2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 00:58:16
○ 2015-06-03 20:43:40
○ 2026-05-15 02:52:58

●MXas01.edvxpert.net2026-03-29 → 2026-05-15 · 3 obs

○ 2019-01-31 22:15:46
● 2026-03-29 22:58:14
● 2026-05-15 02:52:58

●MXas02.edvxpert.net2026-03-29 → 2026-05-15 · 3 obs

○ 2019-01-31 22:15:46
● 2026-03-29 22:58:14
● 2026-05-15 02:52:58

○MXmx00.udag.de2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 00:58:16
○ 2015-06-03 20:43:40
○ 2026-05-15 02:52:58

○MXmx01.udag.de2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 00:58:16
○ 2015-06-03 20:43:40
○ 2026-05-15 02:52:58

○MXmxpool.hostedoffice.ag2015-06-03 → 2019-01-31 · 5 obs

○ 2008-03-19 00:58:16
● 2015-06-03 20:43:40
● 2019-01-31 22:15:46
○ 2026-03-29 22:58:14
○ 2026-05-15 02:52:58

●A87.237.121.1472015-06-03 → 2026-05-15 · 3 obs

○ 2008-03-19 00:58:16
● 2015-06-03 20:43:40
● 2026-05-15 02:52:58

○A89.31.143.22008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 00:58:16
○ 2015-06-03 20:43:40
○ 2026-05-15 02:52:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
steffens-systems.com	nsa8.schlundtech.de, nsb8.schlundtech.de, nsc8.schlundtech.de, nsd8.schlundtech.de	-

✅ Authoritative Response

Server:217.160.81.227

NS records: nsa8.schlundtech.de, nsb8.schlundtech.de, nsc8.schlundtech.de, nsd8.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for steffens-systems.com (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.237.121.147`
NS	4	`nsb8.schlundtech.de, nsa8.schlundtech.de...`
MX	2	`as01.edvxpert.net (pri: 10), as02.edvxpert.net (pri: 0)`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`nsa8.schlundtech.de info.edvxpert.de`

Analysis

IP Addresses

steffens-systems.com points to a single IP number: 87.237.121.147.

other host names for instance www.vernetzte-systeme.de, zahnarzt-schustek.de, hoeller-dach.de, abysm.de and www.hoetec.com share IP numbers with steffens-systems.com.

Name Servers

steffens-systems.com is delegated to four name servers: nsa8.schlundtech.de, nsb8.schlundtech.de, nsc8.schlundtech.de and nsd8.schlundtech.de.

steffens-systems.com at least partially shares name servers with other domains, for instance x-pro.it, conexxos.de, itdir.de, vanessa-marie.de and eproalis.de.

Host names with two IP numbers:

Host name nsa8.schlundtech.de points to: 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227.

Host name nsb8.schlundtech.de points to: 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227.

Host name nsc8.schlundtech.de points to: 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227.

Host name nsd8.schlundtech.de points to: 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227.

Mail Servers

steffens-systems.com is handled by two mail servers: as01.edvxpert.net and as02.edvxpert.net.

steffens-systems.com shares the same mail server setup as other domains, for instance seitzpartner.de, enbitcon.de, dpoint.de, steffens-systems.de and sbs-koeln.de.

steffens-systems.com shares some mail servers with other domains, at least partially, for instance edvexpert.de and edvxpert.com.

Host names with one IP number:

The host as01.edvxpert.net points to 89.163.222.165 and the host as02.edvxpert.net points to 89.163.222.166.

steffens-systems.com - robtex.com