`erst-technology.com`

DNSSEC	⚠️ Not signed
A	62.138.148.68^{🇫🇷 GD-EMEA-DC-SXB162.138.148.0/24}
		PTR	`ds62-138-148-68.dedicated.hosteurope.de`
NS	`ns1.erst-technology.com` ⭐
		A	212.12.47.26^{🇩🇪 WORK-AS212.12.32.0/20 n@work Internet Informationssysteme GmbH}
			PTR	`mail.erst-technology.com`
NS	`ns2.erst-technology.com`
		A	213.238.42.158^{🇩🇪 WORK-AS213.238.32.0/20 n@work Internet Informationssysteme GmbH}
			PTR	`mail.erst-technology.com`
MX	`mx1.erst-technology.com` ⭐
		A	213.238.42.158^{🇩🇪 WORK-AS213.238.32.0/20 n@work Internet Informationssysteme GmbH}
			PTR	`mail.erst-technology.com`
MX	`mx2.erst-technology.com`⁽²⁰⁾
		A	212.12.47.26^{🇩🇪 WORK-AS212.12.32.0/20 n@work Internet Informationssysteme GmbH}
			PTR	`mail.erst-technology.com`
TXT	`v=spf1 mx ip4:212.12.47.26 ip4:213.238.42.158 include:_spf.proxy.nospamproxy...`
SOA	`ns1.erst-technology.com`hostmaster@erst-technology.com 2026-02-12 #26

`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=1776073312

Subdomains

mail.erst-technology.com

ns2.erst-technology.com

mx1.erst-technology.com

mx2.erst-technology.com

ns1.erst-technology.com

Same first word

erst-technology.com

erst-technology.de

DNS History

9 records (5 active, 4 former)

●NSns1.erst-technology.com2026-03-11 → 2026-04-13 · 3 obs

○ 2020-02-19 05:57:16
● 2026-03-11 09:33:34
● 2026-04-13 09:58:34

○NSns1.hans.hosteurope.de2015-07-21 → 2020-02-19 · 4 obs

● 2015-07-21 23:09:32
● 2020-02-19 05:57:16
○ 2026-03-11 09:33:34
○ 2026-04-13 09:58:34

●NSns2.erst-technology.com2026-03-11 → 2026-04-13 · 3 obs

○ 2020-02-19 05:57:16
● 2026-03-11 09:33:34
● 2026-04-13 09:58:34

○NSns2.hans.hosteurope.de2015-07-21 → 2020-02-19 · 4 obs

● 2015-07-21 23:09:32
● 2020-02-19 05:57:16
○ 2026-03-11 09:33:34
○ 2026-04-13 09:58:34

○MXmail.erst-technology.com2015-07-21 → 2020-02-19 · 4 obs

● 2015-07-21 23:09:32
● 2020-02-19 05:57:16
○ 2026-03-11 09:33:34
○ 2026-04-13 09:58:34

●MXmx1.erst-technology.com2026-03-11 → 2026-04-13 · 3 obs

○ 2020-02-19 05:57:16
● 2026-03-11 09:33:34
● 2026-04-13 09:58:34

●MXmx2.erst-technology.com2026-03-11 → 2026-04-13 · 3 obs

○ 2020-02-19 05:57:16
● 2026-03-11 09:33:34
● 2026-04-13 09:58:34

●A62.138.148.682016-03-16 → 2026-04-13 · 3 obs

○ 2015-11-26 03:53:50
● 2016-03-16 20:12:22
● 2026-04-13 09:58:34

○A80.237.208.172015-07-21 → 2015-11-26 · 4 obs

● 2015-07-21 23:09:32
● 2015-11-26 03:53:50
○ 2016-03-16 20:12:22
○ 2026-04-13 09:58:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...	-
erst-technology.com	ns1.erst-technology.com, ns2.erst-technology.com	2 records

✅ Authoritative Response

Server:213.238.42.158

NS records: ns1.erst-technology.com, ns2.erst-technology.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for erst-technology.com (unsigned zone)

⏱️ Timing

Total: 277ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.138.148.68`
NS	2	`ns2.erst-technology.com, ns1.erst-technology.com`
MX	2	`mx1.erst-technology.com (pri: 10), mx2.erst-technology.com (pri: 20)`
TXT	1	`v=spf1 mx ip4:212.12.47.26 ip4:213.238.4`
SOA	1	`ns1.erst-technology.com hostmaster.erst-`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.erst-technology.com, ns2.erst-technology.com)

Analysis

Hierarchy

erst-technology.com is the parent of mail.erst-technology.com, ns2.erst-technology.com, mx1.erst-technology.com, mx2.erst-technology.com and ns1.erst-technology.com.

IP Addresses

erst-technology.com resolves to a single IP address: 62.138.148.68.

Other host names, for instance ds62-138-148-68.dedicated.hosteurope.de, share IP numbers with erst-technology.com.

Name Servers

erst-technology.com's delegation uses two name servers, ns1.erst-technology.com and ns2.erst-technology.com.

erst-technology.com uses the same name server setup as other domains such as erst-technology.de and i-b-w.com.

Host names with a single IP:

ns1.erst-technology.com points to 212.12.47.26.

ns2.erst-technology.com points to 213.238.42.158.

Mail Servers

erst-technology.com is handled by two mail servers: mx1.erst-technology.com and mx2.erst-technology.com.

Host names with a single IP:

mx1.erst-technology.com points to 213.238.42.158.

mx2.erst-technology.com points to 212.12.47.26.

erst-technology.com - robtex.com