`mail.erst-technology.com`

DNSSEC	⚠️ Not signed
A	213.238.42.158^{🇩🇪 WORK-AS213.238.32.0/20 n@work Internet Informationssysteme GmbH}
		PTR	`mail.erst-technology.com`

`erst-technology.com`

	DNSSEC	⚠️ Not signed
	A	62.138.148.68^{🇫🇷 GD-EMEA-DC-SXB162.138.148.0/24}
	NS	`ns1.erst-technology.com` ⭐
	NS	`ns2.erst-technology.com`
	MX	`mx1.erst-technology.com` ⭐
	MX	`mx2.erst-technology.com`⁽²⁰⁾
	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

PTR for

26.47.12.212.in-addr.arpa

158.42.238.213.in-addr.arpa

Previously MX for

erst-technology.com

Same first word

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DNS History

3 records (1 active, 2 former)

●A213.238.42.1582026-04-01 → 2026-04-13 · 3 obs

○ 2016-07-17 07:10:10
● 2026-04-01 07:35:18
● 2026-04-13 07:15:22

○A62.138.148.682016-03-20 → 2016-07-17 · 5 obs

○ 2015-12-19 08:58:30
● 2016-03-20 03:17:08
● 2016-07-17 07:10:10
○ 2026-04-01 07:35:18
○ 2026-04-13 07:15:22

○A80.237.208.172015-05-10 → 2015-12-19 · 4 obs

● 2015-05-10 18:21:30
● 2015-12-19 08:58:30
○ 2016-03-20 03:17:08
○ 2026-04-13 07:15:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.238.42.158`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

mail.erst-technology.com points to IP number: 213.238.42.158.

Other host names, for instance ns2.erst-technology.com and mx1.erst-technology.com, share IP numbers with mail.erst-technology.com.

mail.erst-technology.com - robtex.com