`optimalkurier.de`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1163::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`wa3.rzone.de`
A	81.169.145.163^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades16.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:143^{🇺🇸 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	`shades16.rzone.de`
		A	185.132.34.143^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades16.rzone.de`
NS	`docks15.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:15^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks15.rzone.de`
		A	217.160.80.142^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks15.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	`shades16.rzone.de`hostmaster@strato-rz.de 2020-05-24 #4

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1777016314

Same first word

optimalkurier.de

DNS History

6 records (5 active, 1 former)

●NSdocks15.rzone.de2015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 06:22:42
● 2026-04-24 07:49:24

●NSshades16.rzone.de2015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 06:22:42
● 2026-04-24 07:49:24

○MXsmtp.rzone.de2015-07-01 → 2017-10-26 · 3 obs

● 2015-07-01 06:22:42
● 2017-10-26 06:27:58
○ 2026-04-24 07:49:24

●MXsmtpin.rzone.de2026-04-24 → 2026-04-24 · 2 obs

○ 2017-10-26 06:27:58
● 2026-04-24 07:49:24

●A2a01:238:20a:202:1163::2015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 06:22:42
● 2026-04-24 07:49:24

●A81.169.145.1632015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 06:22:42
● 2026-04-24 07:49:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
optimalkurier.de	docks15.rzone.de, shades16.rzone.de	-

✅ Authoritative Response

Server:217.160.80.142

NS records: docks15.rzone.de, shades16.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimalkurier.de (unsigned zone)

⏱️ Timing

Total: 977ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.163`
AAAA	1	`2a01:238:20a:202:1163::`
NS	2	`shades16.rzone.de, docks15.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades16.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

optimalkurier.de resolves to two IP numbers: 2a01:238:20a:202:1163:: and 81.169.145.163.

Other host names, for instance poelert.net, abendstunde.de, mail.meier-familie.com, xn--gser-5qa.com and quantus-agriculture.com share IP numbers with optimalkurier.de.

Name Servers

Two name servers docks15.rzone.de and shades16.rzone.de handle delegation for optimalkurier.de.

optimalkurier.de uses the same name server setup as other domains, for example hanna-martin.de, lucesenlaciudad.es, morendi.nl, hoerner-electronics.net and mandler.org.

optimalkurier.de partially shares name servers with other domains; examples include purity-records.de, sugarmice.nl, srpnet.de, rainerberthold.de and vwcamper.de.

These name servers are commonly used alongside shades02.rzone.de, shades06.rzone.de, docks17.rzone.de, shades08.rzone.de, docks02.rzone.de, shades17.rzone.de, docks13.rzone.de, docks07.rzone.de, shades12.rzone.de and docks20.rzone.de.

Host names with two IP numbers:

docks15.rzone.de points to: 2001:8d8:fe:53:5747:2a74:d:15 and 217.160.80.142

shades16.rzone.de points to: 2607:f1c0:fe:53:185:132:34:143 and 185.132.34.143

Mail Servers

optimalkurier.de is handled by a single mail server, smtpin.rzone.de.

optimalkurier.de has the same mail server setup as other domains, including c-w-t.de, die-zahnarzt-praxis.berlin, wochenbrief.de, spotview.net and taniepaliwa.com.

Host smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

optimalkurier.de - robtex.com