`slavkuv.net`

DNSSEC	⚠️ Not signed
A	2001:1528:240::15^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
		PTR	`krios.blueboard.cz`
A	217.11.249.139^{🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT}
NS	`shinzon.blueboard.cz` ⭐
		A	2a00:1ed0:45::b^{🇨🇿 VSHOSTING2a00:1ed0::/32}
			PTR	`shinzon.blueboard.cz`
		A	178.251.187.7^{🇨🇿 VSHOSTING178.251.184.0/21}
			PTR	`shinzon.blueboard.cz`
NS	`ns2.blueboard.cz`
		A	2a01:4f8:13b:8d4::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	195.201.57.122^{🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC}
			PTR	`ns2.blueboard.cz`
MX	`mx.blueboard.cz` ⭐
		A	2001:1528:240::ca^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
			PTR	`mx.blueboard.cz`
		A	81.0.209.130^{🇨🇿 CASABLANCA-AS81.0.208.0/23 Casablanca INT}
			PTR	`mx.blueboard.cz`
TXT	`v=spf1 a mx include:spf.blueboard.cz -all`
SOA	`shinzon.blueboard.cz`hostmaster@shinzon.blueboard.cz 2005-12-28 #44

`net`

	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=1777298491

WOT: SAFE (75/100)

Same first word

slavkuv.net

DNS History

9 records (5 active, 4 former)

●NSns2.blueboard.cz2015-07-20 → 2026-04-27 · 2 obs

● 2015-07-20 18:27:30
● 2026-04-27 14:18:22

●NSshinzon.blueboard.cz2015-07-20 → 2026-04-27 · 2 obs

● 2015-07-20 18:27:30
● 2026-04-27 14:18:22

○MXjaguar.blueboard.cz2015-07-20 → 2019-03-30 · 4 obs

● 2015-07-20 18:27:30
● 2019-03-30 17:11:42
○ 2026-02-20 02:54:08
○ 2026-04-27 14:18:22

●MXmx.blueboard.cz2026-02-20 → 2026-04-27 · 3 obs

○ 2019-03-30 17:11:42
● 2026-02-20 02:54:08
● 2026-04-27 14:18:22

○MXns2.blueboard.cz2015-07-20 → 2019-03-30 · 4 obs

● 2015-07-20 18:27:30
● 2019-03-30 17:11:42
○ 2026-02-20 02:54:08
○ 2026-04-27 14:18:22

●A2001:1528:240::152019-03-30 → 2026-04-27 · 3 obs

○ 2017-02-03 01:33:30
● 2019-03-30 17:11:42
● 2026-04-27 14:18:22

○A2001:1528:240::162017-02-03 → 2017-02-03 · 4 obs

○ 2016-05-01 23:10:28
● 2017-02-03 01:33:30
○ 2019-03-30 17:11:42
○ 2026-04-27 14:18:22

●A217.11.249.1392015-07-20 → 2026-04-27 · 5 obs

● 2015-07-20 18:27:30
● 2016-05-01 23:10:28
○ 2017-02-03 01:33:30
● 2019-03-30 17:11:42
● 2026-04-27 14:18:22

○A217.11.249.1492017-02-03 → 2017-02-03 · 4 obs

○ 2016-05-01 23:10:28
● 2017-02-03 01:33:30
○ 2019-03-30 17:11:42
○ 2026-04-27 14:18:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	c.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
slavkuv.net	shinzon.blueboard.cz, ns2.blueboard.cz	-

✅ Authoritative Response

Server:195.201.57.122

NS records: shinzon.blueboard.cz, ns2.blueboard.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for slavkuv.net (unsigned zone)

⏱️ Timing

Total: 918ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.11.249.139`
AAAA	1	`2001:1528:240::15`
NS	2	`shinzon.blueboard.cz, ns2.blueboard.cz`
MX	1	`mx.blueboard.cz (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.blueboard.cz -al`
SOA	1	`shinzon.blueboard.cz hostmaster.shinzon.`

Analysis

IP Addresses

slavkuv.net resolves to two IP numbers: 2001:1528:240::15 and 217.11.249.139.

Other host names, for instance yoshinkan.cz, grandcubana.cz, 371.cz, senzo.cz and psaci.cz share IP numbers with slavkuv.net.

Name Servers

Two name servers ns2.blueboard.cz and shinzon.blueboard.cz handle delegation for slavkuv.net.

slavkuv.net uses the same name server setup as other domains, for example primadum.cz, vesely.info, michalveltrusky.com, martinmikes.com and dirkoma.com.

slavkuv.net partially shares name servers with other domains; examples include stefela.cz, ctyrka.cz, topspin.cz, stirej.cz and websvatba.cz.

These name servers are often used with the name servers jaguar.blueboard.cz and core.miniserver.cz.

Host names with two IP numbers:

ns2.blueboard.cz points to: 2a01:4f8:13b:8d4::2 and 195.201.57.122

shinzon.blueboard.cz points to: 2a00:1ed0:45::b and 178.251.187.7

Mail Servers

slavkuv.net is handled by a single mail server, mx.blueboard.cz.

slavkuv.net has the same mail server setup as other domains, including svetdnes.sk, sykorakovo.cz, prodej-zeminy.cz, dentkomplex.cz and kittel.cz.

Some mail servers are shared between slavkuv.net and other domains, for example squire.cz.

Host mx.blueboard.cz resolves to two IPs: 2001:1528:240::ca and 81.0.209.130.

slavkuv.net - robtex.com

slavkuv.net

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