linuxchess.com - dns.ninja

`linuxchess.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1066::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w02.rzone.de`
A	81.169.145.66^{🇩🇪 STRATO81.169.144.0/22 AG}
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`
NS	`shades19.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:146^{🇺🇸 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	`shades19.rzone.de`
		A	185.132.34.146^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades19.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	`docks13.rzone.de`hostmaster@strato-rz.de 2021-10-13 #5

`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=1784654107

Same first word

linuxchess.org

linuxchess.de

linuxchess.com

DNS History

12 records (5 active, 7 former)

●NSdocks13.rzone.de2026-07-21 → 2026-07-21 · 3 obs

○ 2017-11-08 04:45:40
● 2026-07-21 17:28:22
● 2026-07-21 17:28:24

○NSns1.webmailer.de2008-03-17 → 2017-11-08 · 4 obs

● 2008-03-17 13:28:58
● 2017-11-08 04:45:40
○ 2026-07-21 17:28:22
○ 2026-07-21 17:28:24

○NSns2.webmailer.de2008-03-17 → 2017-11-08 · 4 obs

● 2008-03-17 13:28:58
● 2017-11-08 04:45:40
○ 2026-07-21 17:28:22
○ 2026-07-21 17:28:24

●NSshades19.rzone.de2026-07-21 → 2026-07-21 · 3 obs

○ 2017-11-08 04:45:40
● 2026-07-21 17:28:22
● 2026-07-21 17:28:24

○MXmailin.rzone.de2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 13:28:58
○ 2015-08-19 04:51:44
○ 2026-07-21 17:28:24

○MXsmtp.rzone.de2015-08-19 → 2017-11-08 · 5 obs

○ 2008-03-17 13:28:58
● 2015-08-19 04:51:44
● 2017-11-08 04:45:40
○ 2026-07-21 17:28:22
○ 2026-07-21 17:28:24

●MXsmtpin.rzone.de2026-07-21 → 2026-07-21 · 3 obs

○ 2017-11-08 04:45:40
● 2026-07-21 17:28:22
● 2026-07-21 17:28:24

●A2a01:238:20a:202:1066::2026-07-21 → 2026-07-21 · 3 obs

○ 2017-11-08 04:45:40
● 2026-07-21 17:28:22
● 2026-07-21 17:28:24

○A2a01:238:20a:202:1075::2015-08-19 → 2017-11-08 · 5 obs

○ 2008-03-17 13:28:58
● 2015-08-19 04:51:44
● 2017-11-08 04:45:40
○ 2026-07-21 17:28:22
○ 2026-07-21 17:28:24

●A81.169.145.662026-07-21 → 2026-07-21 · 3 obs

○ 2017-11-08 04:45:40
● 2026-07-21 17:28:22
● 2026-07-21 17:28:24

○A81.169.145.752015-08-19 → 2017-11-08 · 5 obs

○ 2008-03-17 13:28:58
● 2015-08-19 04:51:44
● 2017-11-08 04:45:40
○ 2026-07-21 17:28:22
○ 2026-07-21 17:28:24

○A81.169.145.882008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 13:28:58
○ 2015-08-19 04:51:44
○ 2026-07-21 17:28:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
linuxchess.com	docks13.rzone.de, shades19.rzone.de	-

✅ Authoritative Response

Server:217.160.80.140

NS records: docks13.rzone.de, shades19.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxchess.com (unsigned zone)

⏱️ Timing

Total: 1460ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.66`
AAAA	1	`2a01:238:20a:202:1066::`
NS	2	`docks13.rzone.de, shades19.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks13.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

linuxchess.com directs to two IP numbers, 81.169.145.66 and 2a01:238:20a:202:1066::

Among the host names that share IP numbers with linuxchess.com are cd-ndh.de, forastero.de, badenet.de and two others.

Name Servers

DNS delegation for linuxchess.com points to two name servers: docks13.rzone.de and shades19.rzone.de.

linuxchess.com has the same name server delegation as a number of other domains, such as navimaster.com, mpepo.eu, sfour.de and two more.

linuxchess.com has at least partial name server overlap with other domains, such as datari.nl, anwalt-magdeburg.net, denken-folgern.de and two others.

shades16.rzone.de, shades01.rzone.de and docks15.rzone.de — plus 7 other name servers — are commonly paired with these name servers.

docks13.rzone.de directs to 217.160.80.140 and 2001:8d8:fe:53:5747:2a74:d:13. shades19.rzone.de directs to 185.132.34.146 and 2607:f1c0:fe:53:185:132:34:146. Each host name carries two IP addresses.

Mail Servers

linuxchess.com routes its mail through a single mail server, smtpin.rzone.de.

linuxchess.com has the same mail server arrangement as a number of other domains, for example balance-ph.de, gadiot.de, kornundberg.biz and two more.

smtpin.rzone.de has two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.