`construct.sk`

DNSSEC	⚠️ Not signed
NS	`dns.alm.cz` ⚠️ Not in zone NS records
		A	31.31.79.97^{🇨🇿 WEDOS31.31.72.0/21 Internet, a.s.}
NS	`js.alm.cz` ⚠️ Not in zone NS records
		A	83.167.250.162^{🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5}

`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=2018584317

Same first word

Similar names

cntrustco.com

structcon.ca

structcon.org

tconstruc.com

structcon.net

structcon.in

trustconc.com

structcon.com

cscottrun.com

DNS History

6 records (2 active, 4 former)

●NSdns.alm.cz2015-08-20 → 2026-07-22 · 2 obs

● 2015-08-20 04:08:54
● 2026-07-22 18:53:22

●NSjs.alm.cz2015-08-20 → 2026-07-22 · 2 obs

● 2015-08-20 04:08:54
● 2026-07-22 18:53:22

○MXmailhub.safesystem.sk2015-08-20 → 2026-07-14 · 7 obs

● 2015-08-20 04:08:54
● 2026-05-14 10:44:38
○ 2026-06-06 05:19:40
○ 2026-06-12 14:58:46
● 2026-07-14 17:16:10
○ 2026-07-15 01:22:46
○ 2026-07-22 18:53:22

○A109.123.208.432015-12-18 → 2016-05-27 · 5 obs

○ 2015-08-20 04:08:54
● 2015-12-18 19:53:28
● 2016-05-27 21:16:18
○ 2017-03-31 13:59:40
○ 2026-07-22 18:53:22

○A109.123.209.1912015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 04:08:54
○ 2015-12-18 19:53:28
○ 2026-07-22 18:53:22

○A88.86.113.1612017-03-31 → 2026-07-14 · 8 obs

○ 2016-05-27 21:16:18
● 2017-03-31 13:59:40
● 2026-05-14 10:44:38
○ 2026-06-06 05:19:40
○ 2026-06-12 14:58:46
● 2026-07-14 17:16:10
○ 2026-07-15 01:22:46
○ 2026-07-22 18:53:22

🔍 DNS Trace

Analysis

Name Servers

construct.sk is served by two delegated name servers, dns.alm.cz and js.alm.cz.

The name server configuration of construct.sk is shared with other domains, for instance pinlock.cz, construkt.cz, eokno.cz and two others.

dns.alm.cz → 31.31.79.97 and js.alm.cz → 83.167.250.162: one IP number per host name.

construct.sk - robtex.com

construct.sk

sk