`6one-engineering.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1156::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w9c.rzone.de`
A	81.169.145.156^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades04.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:131^{🇺🇸 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	`shades04.rzone.de`
		A	185.132.34.131^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades04.rzone.de`
NS	`docks13.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:13^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks13.rzone.de`
		A	217.160.80.140^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks13.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`shades04.rzone.de`hostmaster@strato-rz.de 2020-05-29 #4

`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=1774929497

Same first word

6one-engineering.com

DNS History

6 records (5 active, 1 former)

●NSdocks13.rzone.de2015-08-20 → 2026-03-31 · 2 obs

● 2015-08-20 18:07:38
● 2026-03-31 04:03:48

●NSshades04.rzone.de2015-08-20 → 2026-03-31 · 2 obs

● 2015-08-20 18:07:38
● 2026-03-31 04:03:48

○MXsmtp.rzone.de2015-08-20 → 2020-01-30 · 4 obs

● 2015-08-20 18:07:38
● 2020-01-30 17:49:36
○ 2026-02-24 02:42:38
○ 2026-03-31 04:03:48

●MXsmtpin.rzone.de2026-02-24 → 2026-03-31 · 3 obs

○ 2020-01-30 17:49:36
● 2026-02-24 02:42:38
● 2026-03-31 04:03:48

●A2a01:238:20a:202:1156::2015-08-20 → 2026-03-31 · 2 obs

● 2015-08-20 18:07:38
● 2026-03-31 04:03:48

●A81.169.145.1562015-08-20 → 2026-03-31 · 2 obs

● 2015-08-20 18:07:38
● 2026-03-31 04:03:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
6one-engineering.com	shades04.rzone.de, docks13.rzone.de	-

✅ Authoritative Response

Server:217.160.80.140

NS records: shades04.rzone.de, docks13.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 6one-engineering.com (unsigned zone)

⏱️ Timing

Total: 685ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.156`
AAAA	1	`2a01:238:20a:202:1156::`
NS	2	`docks13.rzone.de, shades04.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades04.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

6one-engineering.com has two IP numbers: 2a01:238:20a:202:1156:: and 81.169.145.156.

Other host names, for instance optiwo.com, my-straub.de, axnovia.com, simonwertermittlung.de and neils.mobi share IP numbers with 6one-engineering.com.

Name Servers

6one-engineering.com's delegation uses two name servers: docks13.rzone.de and shades04.rzone.de.

6one-engineering.com uses the same name server setup as other domains, such as traxsoft.de, sanftl.de, berlin-gabelstapler.de, ostendarp.de and 1-koenig.de.

6one-engineering.com at least partially shares name servers with other domains, including trappl.com, segenslieder.de, ink-discount.eu, robdenboer.nl and transport-koffer.com.

These name servers are commonly used with docks03.rzone.de, shades03.rzone.de, shades02.rzone.de, shades12.rzone.de, docks12.rzone.de, shades18.rzone.de, docks08.rzone.de, docks16.rzone.de, shades07.rzone.de and docks05.rzone.de.

Host names with two IPs:

docks13.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:13 and 217.160.80.140

shades04.rzone.de points to 2607:f1c0:fe:53:185:132:34:131 and 185.132.34.131

Mail Servers

A single mail server handles 6one-engineering.com, smtpin.rzone.de.

6one-engineering.com shares the same mail server setup as other domains, for instance hb-mail.de, app.smtp2go.com.login.new.session.5zed87f8.oscarmahl.de, fiehrer.de, sma-24.de and skateparkplanung.com.

The host name smtpin.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

6one-engineering.com - robtex.com