devdays.sk - dns.ninja

`devdays.sk`

DNSSEC	⚠️ Not signed
A	89.185.225.246^{🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3}
		PTR	`89-185-225-246.static.masterinter.net`
NS	`ns01.gopas.cz` ⭐
		A	2a01:430:23c:0:231::1^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`ns01.gopas.cz`
		A	89.185.225.231^{🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3}
			PTR	`ns01.gopas.cz`
NS	`names.dialtelecom.cz`
		A	2001:1508:1003:1::2^{🇨🇿 QUANTCOM-AS2001:1508::/32}
			PTR	`names.dialtelecom.cz`
		A	195.250.136.2^{🇨🇿 QUANTCOM-AS195.250.128.0/19}
			PTR	`names.dialtelecom.cz`
NS	`ns02.gopas.cz`
		A	2a01:430:23c:0:232::1^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`ns02.gopas.cz`
		A	89.185.225.232^{🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3}
			PTR	`ns02.gopas.cz`
NS	`sns.dialtelecom.cz`
		A	2001:1508:1003:2::4^{🇨🇿 QUANTCOM-AS2001:1508::/32}
			PTR	`sns.dialtelecom.cz`
		A	195.250.128.2^{🇨🇿 QUANTCOM-AS195.250.128.0/19}
			PTR	`sns.dialtelecom.cz`
SOA	`ns01.gopas.cz`hostmaster@gopas.cz serial=155

`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=2018568075

WOT: SAFE (94/100)

Same first word

devdays.biz

devdays.sk

devdays.co.uk

devdays.com

devdays.co.kr

devdays.de

devdays.net

Similar names

sydadev.com

daysdev.com

easydvd.ru

easydvd.de

easydvd.biz

devsday.com

addvyse.com

dvdeasy.de

devsday.ru

easydvd.com.au

easydvd.com

DNS History

12 records (5 active, 7 former)

●NSnames.dialtelecom.cz2026-03-27 → 2026-06-30 · 3 obs

○ 2017-04-19 22:32:50
● 2026-03-27 12:20:16
● 2026-06-30 19:01:26

●NSns01.gopas.cz2026-03-27 → 2026-06-30 · 3 obs

○ 2017-04-19 22:32:50
● 2026-03-27 12:20:16
● 2026-06-30 19:01:26

●NSns02.gopas.cz2026-03-27 → 2026-06-30 · 3 obs

○ 2017-04-19 22:32:50
● 2026-03-27 12:20:16
● 2026-06-30 19:01:26

○NSns1.websupport.sk2017-04-19 → 2017-04-19 · 3 obs

● 2017-04-19 22:32:50
○ 2026-03-27 12:20:16
○ 2026-06-30 19:01:26

○NSns2.websupport.sk2017-04-19 → 2017-04-19 · 3 obs

● 2017-04-19 22:32:50
○ 2026-03-27 12:20:16
○ 2026-06-30 19:01:26

○NSns3.websupport.sk2017-04-19 → 2017-04-19 · 3 obs

● 2017-04-19 22:32:50
○ 2026-03-27 12:20:16
○ 2026-06-30 19:01:26

●NSsns.dialtelecom.cz2026-03-27 → 2026-06-30 · 3 obs

○ 2017-04-19 22:32:50
● 2026-03-27 12:20:16
● 2026-06-30 19:01:26

○MXmailin1.devdays.sk2017-04-19 → 2017-04-19 · 3 obs

● 2017-04-19 22:32:50
○ 2026-03-27 12:20:16
○ 2026-06-30 19:01:26

○MXmailin2.devdays.sk2017-04-19 → 2017-04-19 · 3 obs

● 2017-04-19 22:32:50
○ 2026-03-27 12:20:16
○ 2026-06-30 19:01:26

○A52.174.193.2102017-04-19 → 2017-04-19 · 3 obs

● 2017-04-19 22:32:50
○ 2026-03-27 12:20:16
○ 2026-06-30 19:01:26

○A89.185.225.2442026-03-27 → 2026-06-11 · 5 obs

○ 2017-04-19 22:32:50
● 2026-03-27 12:20:16
● 2026-06-11 12:54:12
○ 2026-06-18 21:59:20
○ 2026-06-30 19:01:26

●A89.185.225.2462026-06-18 → 2026-06-30 · 3 obs

○ 2026-06-11 12:54:12
● 2026-06-18 21:59:20
● 2026-06-30 19:01:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk	8 records
devdays.sk	sns.dialtelecom.cz, ns01.gopas.cz, ns02.gopas.cz, names.dialtelecom.cz	-

✅ Authoritative Response

Server:195.250.128.2

NS records: sns.dialtelecom.cz, ns01.gopas.cz, ns02.gopas.cz, names.dialtelecom.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devdays.sk (unsigned zone)

⏱️ Timing

Total: 948ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.185.225.246`
NS	4	`names.dialtelecom.cz, ns01.gopas.cz...`
SOA	1	`ns01.gopas.cz hostmaster.gopas.cz`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (e.tld.sk, f.tld.sk, g.tld.sk...)

Analysis

IP Addresses

devdays.sk has exactly one IP address — 89.185.225.246.

There are other host names — teched.cz among them — that share IP numbers with devdays.sk.

Name Servers

Four name servers handle the delegation for devdays.sk: names.dialtelecom.cz, sns.dialtelecom.cz, ns01.gopas.cz and ns02.gopas.cz.

At least some of devdays.sk's name servers are shared with other domains, for example 21.148.83.in-addr.arpa, 47.113.82.in-addr.arpa, 231.80.95.in-addr.arpa and two more.

These name servers tend to appear together with the name servers names.vol.cz, sns.vol.cz and ns.eon.cz, plus two others.

Four hostnames, each resolving to a pair of IP addresses: names.dialtelecom.cz directs to 195.250.136.2 and 2001:1508:1003:1::2; sns.dialtelecom.cz directs to 195.250.128.2 and 2001:1508:1003:2::4; ns01.gopas.cz directs to 89.185.225.231 and 2a01:430:23c:0:231::1; ns02.gopas.cz directs to 89.185.225.232 and 2a01:430:23c:0:232::1.