`programming-algorithms.net`

DNSSEC	⚠️ Not signed
A	185.25.184.197^{🇨🇿 MASTER-AS185.25.184.0/22 CZ-NETIO-20130508}
		PTR	`vm1905.cust.netio.cz`
NS	`ns1.netio.cz` ⭐
		A	185.25.184.6^{🇨🇿 MASTER-AS185.25.184.0/22 CZ-NETIO-20130508}
			PTR	`ns1.netio.cz`
NS	`ns2.netio.cz`
		A	185.28.194.194^{🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o.}
			PTR	`ns2.anycastdns.cz`
NS	`ns3.netio.cz`
		A	185.38.108.108^{🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project}
			PTR	`ns1.anycastdns.cz`
MX	`mail.programming-algorithms.net` ⭐
		A	185.25.184.197^{🇨🇿 MASTER-AS185.25.184.0/22 CZ-NETIO-20130508}
			PTR	`vm1905.cust.netio.cz`
SOA	`ns1.netio.cz`hostmaster@netio.cz 2024-12-22 #10

`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=1776055352

Subdomains

mail.programming-algorithms.net

Same first word

programming-algorithms.net

DNS History

11 records (5 active, 6 former)

○NSns1.ignum.com2016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 01:10:32
○ 2017-05-08 09:03:38
○ 2026-04-13 05:02:24

●NSns1.netio.cz2017-05-08 → 2026-04-13 · 3 obs

○ 2016-12-05 01:10:32
● 2017-05-08 09:03:38
● 2026-04-13 05:02:24

○NSns2.ignum.cz2016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 01:10:32
○ 2017-05-08 09:03:38
○ 2026-04-13 05:02:24

●NSns2.netio.cz2017-05-08 → 2026-04-13 · 3 obs

○ 2016-12-05 01:10:32
● 2017-05-08 09:03:38
● 2026-04-13 05:02:24

●NSns3.netio.cz2017-05-08 → 2026-04-13 · 3 obs

○ 2016-12-05 01:10:32
● 2017-05-08 09:03:38
● 2026-04-13 05:02:24

○MXemail2.ignum.cz2016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 01:10:32
○ 2017-05-08 09:03:38
○ 2026-04-13 05:02:24

○MXmail.infowebsro.cz2016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 01:10:32
○ 2017-05-08 09:03:38
○ 2026-04-13 05:02:24

●MXmail.programming-algorithms.net2017-05-08 → 2026-04-13 · 3 obs

○ 2016-12-05 01:10:32
● 2017-05-08 09:03:38
● 2026-04-13 05:02:24

●A185.25.184.1972026-02-17 → 2026-04-13 · 3 obs

○ 2017-05-08 09:03:38
● 2026-02-17 21:35:32
● 2026-04-13 05:02:24

○A185.25.185.102017-05-08 → 2017-05-08 · 4 obs

○ 2016-12-05 01:10:32
● 2017-05-08 09:03:38
○ 2026-02-17 21:35:32
○ 2026-04-13 05:02:24

○A31.31.74.1322016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 01:10:32
○ 2017-05-08 09:03:38
○ 2026-04-13 05:02:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	i.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
programming-algorithms.net	ns1.netio.cz, ns2.netio.cz, ns3.netio.cz	-

✅ Authoritative Response

Server:185.28.194.194

NS records: ns1.netio.cz, ns2.netio.cz, ns3.netio.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programming-algorithms.net (unsigned zone)

⏱️ Timing

Total: 1115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.25.184.197`
NS	3	`ns3.netio.cz, ns2.netio.cz...`
MX	1	`mail.programming-algorithms.net (pri: 10`
SOA	1	`ns1.netio.cz hostmaster.netio.cz`

Analysis

Hierarchy

programming-algorithms.net is the parent of mail.programming-algorithms.net.

IP Addresses

programming-algorithms.net points to IP number 185.25.184.197.

For instance, other host names algoritmy.net, nabidky-zamestnani.net, mail.programming-algorithms.net, vm1905.cust.netio.cz and serverbook.cz share IP numbers with programming-algorithms.net.

Name Servers

The delegation for programming-algorithms.net is handled by three name servers: ns1.netio.cz, ns2.netio.cz and ns3.netio.cz.

programming-algorithms.net shares name servers with other domains at least partially, for example aerotrim.info, l-okna.cz, onlinekatalogy.cz, (0x706f726e)field.com and soutezoiphone.cz.

Host names with a single IP address: ns1.netio.cz points to 185.25.184.6; ns2.netio.cz points to 185.28.194.194; ns3.netio.cz points to 185.38.108.108.

Mail Servers

programming-algorithms.net is handled by a single mail server, mail.programming-algorithms.net.

mail.programming-algorithms.net points to a single IP: 185.25.184.197.

programming-algorithms.net - robtex.com