str.engineering - dns.ninja

`str.engineering`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1075::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w0b.rzone.de`
A	81.169.145.75^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades18.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:145^{🇺🇸 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	`shades18.rzone.de`
		A	185.132.34.145^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades18.rzone.de`
NS	`docks06.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:6^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks06.rzone.de`
		A	217.160.80.133^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks06.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`shades18.rzone.de`hostmaster@strato-rz.de 2020-07-11 #4

`engineering`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.engineering` ⭐
	NS	`v0n1.nic.engineering`
	NS	`v0n2.nic.engineering`
	NS	`v0n3.nic.engineering`
	NS	`v2n0.nic.engineering`
	NS	`v2n1.nic.engineering`
	SOA	`v0n0.nic.engineering`hostmaster@donuts.email serial=1782107416

Same first word

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tsr.jp

rts.world

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trs.kiev.ua

DNS History

8 records (5 active, 3 former)

●NSdocks06.rzone.de2016-12-10 → 2026-06-22 · 2 obs

● 2016-12-10 19:03:44
● 2026-06-22 06:03:42

●NSshades18.rzone.de2016-12-10 → 2026-06-22 · 2 obs

● 2016-12-10 19:03:44
● 2026-06-22 06:03:42

○MXsmtp.rzone.de2016-12-10 → 2020-02-04 · 4 obs

● 2016-12-10 19:03:44
● 2020-02-04 05:14:48
○ 2026-02-15 16:28:14
○ 2026-06-22 06:03:42

●MXsmtpin.rzone.de2026-02-15 → 2026-06-22 · 3 obs

○ 2020-02-04 05:14:48
● 2026-02-15 16:28:14
● 2026-06-22 06:03:42

●A2a01:238:20a:202:1075::2020-02-04 → 2026-06-22 · 3 obs

○ 2016-12-10 19:03:44
● 2020-02-04 05:14:48
● 2026-06-22 06:03:42

○A2a01:238:20a:202:1151::2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 19:03:44
○ 2020-02-04 05:14:48
○ 2026-06-22 06:03:42

○A81.169.145.1512016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 19:03:44
○ 2020-02-04 05:14:48
○ 2026-06-22 06:03:42

●A81.169.145.752020-02-04 → 2026-06-22 · 3 obs

○ 2016-12-10 19:03:44
● 2020-02-04 05:14:48
● 2026-06-22 06:03:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
engineering	v2n1.nic.engineering, v0n1.nic.engineering, v0n3.nic.engineering, v0n0.nic.engineering...	12 records
str.engineering	shades18.rzone.de, docks06.rzone.de	-

✅ Authoritative Response

Server:185.132.34.145

NS records: shades18.rzone.de, docks06.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for str.engineering (unsigned zone)

⏱️ Timing

Total: 1285ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.75`
AAAA	1	`2a01:238:20a:202:1075::`
NS	2	`docks06.rzone.de, shades18.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades18.rzone.de hostmaster.strato-rz.d`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering...)

Analysis

IP Addresses

str.engineering has two IP addresses: 81.169.145.75 and 2a01:238:20a:202:1075::

juice-from.com, studioamstern.de, btls.de plus two other host names have IP numbers in common with str.engineering.

Name Servers

The NS records for str.engineering delegate to docks06.rzone.de and shades18.rzone.de.

The name server configuration of str.engineering is shared with other domains, for instance motico.de, gasthof-zantl.de, knietep.de and two others.

The name servers of str.engineering overlap at least partially with those of other domains — among them primegroup.info, missiont.de, aupt.de and two more.

These name servers commonly appear in delegations together with shades17.rzone.de, shades06.rzone.de, shades12.rzone.de and 7 other.

docks06.rzone.de resolves to 217.160.80.133 and 2001:8d8:fe:53:5747:2a74:d:6. Likewise, shades18.rzone.de resolves to 185.132.34.145 and 2607:f1c0:fe:53:185:132:34:145 — two IP addresses apiece.

Mail Servers

str.engineering uses one mail server — smtpin.rzone.de.

The mail server setup of str.engineering matches that of other domains such as storechecks.de, alfred-tautz.de, crocodile-sportsbar.de and two others.

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