`tensecondchallenge.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.112^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`docks01.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:1^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks01.rzone.de`
		A	217.160.80.128^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks01.rzone.de`
NS	`shades20.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:147^{🇺🇸 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	`shades20.rzone.de`
		A	185.132.34.147^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades20.rzone.de`
MX	`smtp.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::2097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtp.rzone.de`
		A	81.169.145.98^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtp.rzone.de`
SOA	`docks01.rzone.de`hostmaster@strato-rz.de 2026-02-10 #27

`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=1774622412

Same first word

tensecondchallenge.com

DNS History

5 records (5 active, 0 former)

●NSdocks01.rzone.de2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 07:37:38
● 2026-03-27 15:05:28

●NSshades20.rzone.de2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 07:37:38
● 2026-03-27 15:05:28

●MXsmtp.rzone.de2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 07:37:38
● 2026-03-27 15:05:28

●A2001:8d8:100f:f000::2002026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 07:37:38
● 2026-03-27 15:05:28

●A217.160.0.1122026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 07:37:38
● 2026-03-27 15:05:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
tensecondchallenge.com	docks01.rzone.de, shades20.rzone.de	-

✅ Authoritative Response

Server:217.160.80.128

NS records: docks01.rzone.de, shades20.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tensecondchallenge.com (unsigned zone)

⏱️ Timing

Total: 643ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.112`
AAAA	1	`2001:8d8:100f:f000::200`
NS	2	`docks01.rzone.de, shades20.rzone.de`
MX	1	`smtp.rzone.de (pri: 5)`
SOA	1	`docks01.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

tensecondchallenge.com resolves to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.112.

other host names including kap1.eu, wein-blog.eu, cradwin.net, www.awioffshore.com and freidenker-galerie.de share IP numbers with tensecondchallenge.com.

Name Servers

tensecondchallenge.com is delegated to two name servers docks01.rzone.de and shades20.rzone.de.

tensecondchallenge.com shares the same name server setup as other domains, for instance hypress.net, forum-wohnen.org, an-to.net, nicemovie.de and wb-c.de.

tensecondchallenge.com at least partially shares name servers with other domains, for instance kleipass.net, senatorman.eu, freenas.eu, vaessen.eu and jaeger-tischlerei.de.

These name servers are commonly used with the following name servers: docks16.rzone.de, shades07.rzone.de, docks14.rzone.de, shades11.rzone.de, shades02.rzone.de, docks05.rzone.de, docks06.rzone.de, shades03.rzone.de, shades06.rzone.de and docks18.rzone.de.

Host names with two IP numbers:

The host name docks01.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:1 and 217.160.80.128; the host name shades20.rzone.de points to 2607:f1c0:fe:53:185:132:34:147 and 185.132.34.147.

Mail Servers

tensecondchallenge.com is handled by a single mail server, smtp.rzone.de.

tensecondchallenge.com shares the same mail server setup as other domains, for instance macdelutte.nl, maildefer.cerdi.net, correunet.com, sked.nl and jainismo.org.

smtp.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.

tensecondchallenge.com - robtex.com