`ck-performance.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1086::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
A	81.169.145.86^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks17.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:17^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks17.rzone.de`
		A	217.160.80.144^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks17.rzone.de`
NS	`shades13.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:140^{🇺🇸 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	`shades13.rzone.de`
		A	185.132.34.140^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades13.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	`docks17.rzone.de`hostmaster@strato-rz.de 2021-01-19 #13

`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=1775017297

Same first word

ck-performance.com

DNS History

5 records (5 active, 0 former)

●NSdocks17.rzone.de2026-02-17 → 2026-04-01 · 2 obs

● 2026-02-17 03:59:16
● 2026-04-01 04:49:46

●NSshades13.rzone.de2026-02-17 → 2026-04-01 · 2 obs

● 2026-02-17 03:59:16
● 2026-04-01 04:49:46

●MXsmtpin.rzone.de2026-02-17 → 2026-04-01 · 2 obs

● 2026-02-17 03:59:16
● 2026-04-01 04:49:46

●A2a01:238:20a:202:1086::2026-02-17 → 2026-04-01 · 2 obs

● 2026-02-17 03:59:16
● 2026-04-01 04:49:46

●A81.169.145.862026-02-17 → 2026-04-01 · 2 obs

● 2026-02-17 03:59:16
● 2026-04-01 04:49:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net...	-
ck-performance.com	shades13.rzone.de, docks17.rzone.de	-

✅ Authoritative Response

Server:185.132.34.140

NS records: shades13.rzone.de, docks17.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ck-performance.com (unsigned zone)

⏱️ Timing

Total: 537ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.86`
AAAA	1	`2a01:238:20a:202:1086::`
NS	2	`docks17.rzone.de, shades13.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks17.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

ck-performance.com points to two IP numbers: 2a01:238:20a:202:1086:: and 81.169.145.86.

Other host names such as 06402-5080280.de, unicut.de, echtbeer.de, ses-itc.de and kinderzirkus-zarakali.de share IPs with ck-performance.com.

Name Servers

ck-performance.com is delegated to two name servers: docks17.rzone.de and shades13.rzone.de.

ck-performance.com shares the same name server setup as speicherei.com, lahero.com, stowasser.info, heinzbergmann.de and klanglieferant.de.

ck-performance.com at least partially shares name servers with other domains, for instance exolon.com, sip-acdc.com, advaria.de, ibwm.de and investtrend.de.

These name servers are commonly used alongside shades12.rzone.de, shades09.rzone.de, shades07.rzone.de, docks06.rzone.de, docks05.rzone.de, shades06.rzone.de, shades01.rzone.de, docks18.rzone.de, shades05.rzone.de and shades16.rzone.de.

Host names with two IP numbers: docks17.rzone.de points to: 2001:8d8:fe:53:5747:2a74:d:17 and 217.160.80.144; shades13.rzone.de points to: 2607:f1c0:fe:53:185:132:34:140 and 185.132.34.140.

Mail Servers

ck-performance.com is handled by a single mail server, smtpin.rzone.de.

The mail server setup for ck-performance.com matches that of other domains, for instance hausarzt-innsbrucker.de, immersatt.de, mail.ptg.info, tanzschuhe-konstanz.de and patio-home.org.

ck-performance.com shares some mail servers with other domains, at least in part, for instance architekt-haller.de.

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

ck-performance.com - robtex.com