krejca.info - dns.ninja

`krejca.info`

DNSSEC	⚠️ Not signed
A	2a02:768:0:1010:3c5e:33ff:febd:9d67^{🇨🇿 Starnet2a02:768::/32 s.r.o.}
		PTR	`webserver-001.starnet.cz`
A	92.62.225.12^{🇨🇿 Starnet92.62.224.0/20 s.r.o.}
NS	`ns1.starnet.cz` ⭐
		A	2a02:768:0:1010::3^{🇨🇿 Starnet2a02:768::/32 s.r.o.}
			PTR	`ns1.starnet.cz`
		A	92.62.224.69^{🇨🇿 Starnet92.62.224.0/20 s.r.o.}
			PTR	`ns1.starnet.cz`
NS	`ns2.starnet.cz`
		A	2a02:768:0:1010::2^{🇨🇿 Starnet2a02:768::/32 s.r.o.}
			PTR	`ns2.starnet.cz`
		A	92.62.224.66^{🇨🇿 Starnet92.62.224.0/20 s.r.o.}
			PTR	`ns2.starnet.cz`
MX	`mailserver-001.starnet.cz` ⭐
		A	2a02:768:0:1010:18d1:3cff:feaa:aacb^{🇨🇿 Starnet2a02:768::/32 s.r.o.}
			PTR	`mailserver-001.starnet.cz`
		A	92.62.224.2^{🇨🇿 Starnet92.62.224.0/20 s.r.o.}
			PTR	`mailserver-001.starnet.cz`
TXT	`google-site-verification=Lk8KIHl-Dzl5chwXQzg0CjhA5QXjw2kT2pCQqPkL9YM`
TXT	`v=spf1 mx a include:gmail.com ip4:92.62.224.0/20 ip4:89.31.42.255 ip6:2a02:76...`
SOA	`ns1.starnet.cz`radek@krejca.starnet.cz 2026-07-26 #4

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1785573954

Subdomains

www.krejca.info

Same first word

krejca.de

krejca.at

krejca.info

krejca.cz

Similar names

jarcke.de

jekcar.shop

jekcar.net

cerjak.eu

jacker.com

jacker.io

jacker.fr

jkcare.com

jacker.de

jacker.cn

cerjak.si

rejack.com

jarekc.com

jekcar.com.mx

krecja.net

carejk.com

crejak.com

crajek.com

jacker.nl

jareck.eu

kjcare.com

carjek.com

jacker.co.uk

krajec.sk

rajcek.sk

jacker.pl

krajec.com

jakrec.com

krajec.net

jkcrea.com

cerjak.net

DNS History

9 records (5 active, 4 former)

●NSns1.starnet.cz2015-07-06 → 2026-08-01 · 2 obs

● 2015-07-06 08:13:04
● 2026-08-01 09:06:38

●NSns2.starnet.cz2015-07-06 → 2026-08-01 · 2 obs

● 2015-07-06 08:13:04
● 2026-08-01 09:06:38

○MXbackup-mx.starnet.cz2015-07-06 → 2018-01-09 · 4 obs

● 2015-07-06 08:13:04
● 2018-01-09 17:00:40
○ 2026-04-08 06:34:36
○ 2026-08-01 09:06:38

●MXmailserver-001.starnet.cz2026-04-08 → 2026-08-01 · 3 obs

○ 2018-01-09 17:00:40
● 2026-04-08 06:34:36
● 2026-08-01 09:06:38

○MXmerice.starnet.cz2015-07-06 → 2018-01-09 · 4 obs

● 2015-07-06 08:13:04
● 2018-01-09 17:00:40
○ 2026-04-08 06:34:36
○ 2026-08-01 09:06:38

○A2a02:768:0:1010::22015-07-06 → 2018-01-09 · 4 obs

● 2015-07-06 08:13:04
● 2018-01-09 17:00:40
○ 2026-04-08 06:34:36
○ 2026-08-01 09:06:38

●A2a02:768:0:1010:3c5e:33ff:febd:9d672026-04-08 → 2026-08-01 · 3 obs

○ 2018-01-09 17:00:40
● 2026-04-08 06:34:36
● 2026-08-01 09:06:38

○A92.62.224.662015-07-06 → 2018-01-09 · 4 obs

● 2015-07-06 08:13:04
● 2018-01-09 17:00:40
○ 2026-04-08 06:34:36
○ 2026-08-01 09:06:38

●A92.62.225.122026-04-08 → 2026-08-01 · 3 obs

○ 2018-01-09 17:00:40
● 2026-04-08 06:34:36
● 2026-08-01 09:06:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info	-
krejca.info	ns1.starnet.cz, ns2.starnet.cz	-

✅ Authoritative Response

Server:92.62.224.69

NS records: ns1.starnet.cz, ns2.starnet.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for krejca.info (unsigned zone)

⏱️ Timing

Total: 849ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.62.225.12`
AAAA	1	`2a02:768:0:1010:3c5e:33ff:febd:9d67`
NS	2	`ns1.starnet.cz, ns2.starnet.cz`
MX	1	`mailserver-001.starnet.cz (pri: 10)`
TXT	2	`google-site-verification=Lk8KIHl-Dzl5chw, v=spf1 mx a include:gmail.com ip4:92.62.`
SOA	1	`ns1.starnet.cz radek.krejca.starnet.cz`

Analysis

Hierarchy

krejca.info is a parent domain of www.krejca.info.

IP Addresses

krejca.info directs to two IP numbers, 92.62.225.12 and 2a02:768:0:1010:3c5e:33ff:febd:9d67

velisek.eu, sitkom.cz, mojeip.info plus two other host names have IP numbers in common with krejca.info.

Name Servers

krejca.info has two authoritative name servers — ns1.starnet.cz and ns2.starnet.cz.

The name server configuration of krejca.info is shared with other domains, for instance server-starnet.cz, 51.164.109.in-addr.arpa, startel.cz and two others.

krejca.info shares at least some of its name servers with other domains, including skdomeny.sk, mojeip.info, 4.164.109.in-addr.arpa and two others.

Both ns1.starnet.cz and ns2.starnet.cz have two IP addresses each. ns1.starnet.cz resolves to 92.62.224.69 and 2a02:768:0:1010::3; ns2.starnet.cz resolves to 92.62.224.66 and 2a02:768:0:1010::2.

Mail Servers

krejca.info uses one mail server — mailserver-001.starnet.cz.

The mail server setup of krejca.info matches that of other domains such as velisek.eu, compro.cz, mojeip.info and two others.

mailserver-001.starnet.cz points to two IP addresses: 92.62.224.2 and 2a02:768:0:1010:18d1:3cff:feaa:aacb.