developium.sk - dns.ninja

`developium.sk`

DNSSEC	⚠️ Not signed
A	109.74.144.232^{🇸🇰 VNET-AS109.74.144.0/20 VNET a.s.}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`developium-sk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
TXT	`MS=ms97598200`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`<ep xmlns='http://ms.net/1'><out><m><mx/></m></out></ep>`
TXT	`google-site-verification=KIruDvQKV9lMZ-fnjtJA0fiQC7EyJXu8XxJ2lLSqfgo`
SOA	`ns1.websupport.cz`admin@websupport.sk serial=1717753416

`sk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`m.tld.sk` ⭐
	NS	`e.tld.sk`
	NS	`f.tld.sk`
	NS	`g.tld.sk`
	NS	`h.tld.sk`
	SOA	`m.tld.sk`hostmaster@sk-nic.sk serial=2018549850

Subdomains

www.developium.sk

Same first word

developium.sk

DNS History

10 records (5 active, 5 former)

○NSalfa.ns.active24.cz2015-05-19 → 2019-12-28 · 4 obs

● 2015-05-19 21:41:46
● 2019-12-28 22:38:10
○ 2026-02-19 11:42:56
○ 2026-06-13 08:15:48

○NSbeta.ns.active24.cz2015-05-19 → 2019-12-28 · 4 obs

● 2015-05-19 21:41:46
● 2019-12-28 22:38:10
○ 2026-02-19 11:42:56
○ 2026-06-13 08:15:48

●NSns1.websupport.cz2026-02-19 → 2026-06-13 · 3 obs

○ 2019-12-28 22:38:10
● 2026-02-19 11:42:56
● 2026-06-13 08:15:48

●NSns2.websupport.cz2026-02-19 → 2026-06-13 · 3 obs

○ 2019-12-28 22:38:10
● 2026-02-19 11:42:56
● 2026-06-13 08:15:48

●NSns3.websupport.eu2026-02-19 → 2026-06-13 · 3 obs

○ 2019-12-28 22:38:10
● 2026-02-19 11:42:56
● 2026-06-13 08:15:48

●MXdevelopium-sk.mail.protection.outlook.com2016-04-16 → 2026-06-13 · 6 obs

○ 2016-01-21 09:49:36
● 2016-04-16 19:30:12
● 2017-02-19 06:33:22
○ 2019-12-28 22:38:10
● 2026-02-19 11:42:56
● 2026-06-13 08:15:48

○MXmail.nalgoo.com2019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-19 06:33:22
● 2019-12-28 22:38:10
○ 2026-02-19 11:42:56
○ 2026-06-13 08:15:48

○MXmail.rdg.sk2015-05-19 → 2016-01-21 · 4 obs

● 2015-05-19 21:41:46
● 2016-01-21 09:49:36
○ 2016-04-16 19:30:12
○ 2026-06-13 08:15:48

○MXsrv1.skolenie.eu2015-05-19 → 2016-01-21 · 4 obs

● 2015-05-19 21:41:46
● 2016-01-21 09:49:36
○ 2016-04-16 19:30:12
○ 2026-06-13 08:15:48

●A109.74.144.2322015-05-19 → 2026-06-13 · 2 obs

● 2015-05-19 21:41:46
● 2026-06-13 08:15:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	g.tld.sk, f.tld.sk, e.tld.sk, h.tld.sk	-
developium.sk	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1233ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.74.144.232`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	1	`developium-sk.mail.protection.outlook.co`
TXT	4	`MS=ms97598200, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns1.websupport.cz admin.websupport.sk`

Analysis

Hierarchy

www.developium.sk is delegated beneath developium.sk.

IP Addresses

developium.sk resolves to just one IP address, 109.74.144.232.

Two other host names, along with www.developium.sk, ns2.rdg.sk and mail.nalgoo.com, also share IP numbers with developium.sk.

Name Servers

DNS for developium.sk is handled by three authoritative name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

There is at least partial name server overlap between developium.sk and other domains — amos-software.sk, etp-czech.cz, softphone.cz and two more among them.

Three hostnames — ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu — each have two IP addresses: ns1.websupport.cz has 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz has 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu has 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

The sole mail server for developium.sk is developium-sk.mail.protection.outlook.com.

With 8 IP addresses total, developium-sk.mail.protection.outlook.com resolves to 52.101.68.25, 52.101.68.29, 52.101.73.12 and 5 others.