`progressinterior.cz`

DNSSEC	⚠️ Not signed
A	2a02:4a8:ac24:111::110:77^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
		PTR	`gds221.active24.cz`
A	81.95.110.77^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
NS	`ns.omegaplus.cz` ⭐
		A	2a00:5100:1016:10::3^{🇨🇿 OMEGAPLUS-AS2a00:5100::/34 CZ-OMEGAPLUS}
			PTR	`delta.omegaplus.cz`
			PTR	`ns.omegaplus.cz`
		A	213.226.208.3^{🇨🇿 OMEGAPLUS-AS213.226.208.0/20 Omegaplus Chrudim The Czech Republic}
NS	`ns.link.cz`
		A	2a01:28:ca:112::1:1190^{🇨🇿 SuperNetwork2a01:28::/32 s.r.o.}
			PTR	`ns.link.cz`
		A	46.234.126.63^{🇨🇿 SuperNetwork46.234.96.0/19 s.r.o.}
MX	`mail.omegaplus.cz` ⭐
		A	2a00:5100:1016:10::3^{🇨🇿 OMEGAPLUS-AS2a00:5100::/34 CZ-OMEGAPLUS}
			PTR	`delta.omegaplus.cz`
			PTR	`ns.omegaplus.cz`
		A	213.226.208.3^{🇨🇿 OMEGAPLUS-AS213.226.208.0/20 Omegaplus Chrudim The Czech Republic}
SOA	`ns.omegaplus.cz`hostmaster@omegaplus.cz 2026-01-16 #1

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1786020440

Same first word

progressinterior.cz

DNS History

9 records (5 active, 4 former)

●NSns.link.cz2026-06-13 → 2026-08-06 · 3 obs

○ 2017-05-15 12:11:46
● 2026-06-13 09:54:54
● 2026-08-06 13:07:36

●NSns.omegaplus.cz2015-08-14 → 2026-08-06 · 2 obs

● 2015-08-14 14:56:58
● 2026-08-06 13:07:36

○NSns1.omegaplus.cz2015-08-14 → 2017-05-15 · 4 obs

● 2015-08-14 14:56:58
● 2017-05-15 12:11:46
○ 2026-06-13 09:54:54
○ 2026-08-06 13:07:36

●MXmail.omegaplus.cz2015-08-14 → 2026-08-06 · 2 obs

● 2015-08-14 14:56:58
● 2026-08-06 13:07:36

○MXmspool.cdt.cz2015-08-14 → 2017-05-15 · 4 obs

● 2015-08-14 14:56:58
● 2017-05-15 12:11:46
○ 2026-06-13 09:54:54
○ 2026-08-06 13:07:36

○A213.226.208.52015-08-14 → 2016-03-25 · 4 obs

● 2015-08-14 14:56:58
● 2016-03-25 15:02:06
○ 2016-07-22 22:16:30
○ 2026-08-06 13:07:36

○A213.226.208.62016-07-22 → 2017-05-15 · 5 obs

○ 2016-03-25 15:02:06
● 2016-07-22 22:16:30
● 2017-05-15 12:11:46
○ 2026-06-13 09:54:54
○ 2026-08-06 13:07:36

●A2a02:4a8:ac24:111::110:772026-06-13 → 2026-08-06 · 3 obs

○ 2017-05-15 12:11:46
● 2026-06-13 09:54:54
● 2026-08-06 13:07:36

●A81.95.110.772026-06-13 → 2026-08-06 · 3 obs

○ 2017-05-15 12:11:46
● 2026-06-13 09:54:54
● 2026-08-06 13:07:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
progressinterior.cz	ns.link.cz, ns.omegaplus.cz	2 records

✅ Authoritative Response

Server:46.234.126.63

NS records: ns.link.cz, ns.omegaplus.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for progressinterior.cz (unsigned zone)

⏱️ Timing

Total: 905ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.95.110.77`
AAAA	1	`2a02:4a8:ac24:111::110:77`
NS	2	`ns.link.cz, ns.omegaplus.cz`
MX	1	`mail.omegaplus.cz (pri: 10)`
SOA	1	`ns.omegaplus.cz hostmaster.omegaplus.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.omegaplus.cz, ns.omegaplus.cz)

Analysis

IP Addresses

progressinterior.cz directs to two IP numbers, 81.95.110.77 and 2a02:4a8:ac24:111::110:77

Among the host names that share IP numbers with progressinterior.cz are star-fish.eu, m-byt.eu, corex-industriearmaturen.de and two others.

Name Servers

DNS delegation for progressinterior.cz points to two name servers: ns.link.cz and ns.omegaplus.cz.

progressinterior.cz has the same name server delegation as a number of other domains, such as ther.cz, zamat.chrudim.cz, biologicke-filtry.cz and two more.

progressinterior.cz shares at least some of its name servers with other domains, including vodovody-k(0x616e616c)izace.eu, kavalir.chrudim.cz, sk-eko.cz and two others.

These name servers are frequently paired with the name servers ns1.omegaplus.cz, fenix.becolink.cz and mail.sos-sou.chrudim.cz.

ns.link.cz directs to 46.234.126.63 and 2a01:28:ca:112::1:1190. ns.omegaplus.cz directs to 213.226.208.3 and 2a00:5100:1016:10::3. Each host name carries two IP addresses.

Mail Servers

progressinterior.cz routes its mail through a single mail server, mail.omegaplus.cz.

progressinterior.cz has the same mail server arrangement as a number of other domains, for example omegaplus.cz, intelco.cz, mft.cz and two more.

progressinterior.cz shares at least some of its mail servers with other domains — for example hoffmann.cz, sangeo.cz, mucr.cz and two more.

These mail servers are frequently paired with the mail servers gw.ekomonitor.cz, mail.chrudim-city.cz and mspool.cdt.cz.

mail.omegaplus.cz points to two IP addresses: 213.226.208.3 and 2a00:5100:1016:10::3.

progressinterior.cz - robtex.com