`postbellum.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a02:4a8:ac24:110::10:132^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
		PTR	`uvirt100.active24.cz`
A	31.15.10.132^{🇨🇿 ACTIVE24-AS31.15.8.0/21 CZ-ACTIVE24-NET2}
NS	`ns.dns4.cz` ⭐
		A	81.95.96.2^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`alfa.ns.active24.cz`
NS	`alfa.ns.active24.cz`
		A	2a02:4a8:ac24:100::96:2^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
			PTR	`alfa.ns.active24.cz`
		A	81.95.96.2^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`alfa.ns.active24.cz`
NS	`beta.ns.active24.cz`
		A	2a00:4b40:1000:590:185:111:90:94^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`beta.ns.active24.cz`
		A	185.111.90.94^{🇭🇺 WEBSUPPORT-SRO-SK-AS185.111.88.0/22}
			PTR	`beta.ns.active24.cz`
NS	`gama.ns.active24.sk`
		A	2a00:1968:0:1002:185:71:158:30^{🇸🇪 LOOPIA32a00:1968::/48}
			PTR	`gama.ns.active24.sk`
		A	185.71.158.30^{🇸🇪 LOOPIA3185.71.158.0/24}
			PTR	`gama.ns.active24.sk`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0d::1b
		A	142.250.101.26
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:402::1b^{Google2a00:1450:4025::/48}
		A	142.250.102.27
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:3003::1b^{🇺🇸 Google2607:f8b0::/32}
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
TXT	`MS=ms25189888`
TXT	`v=spf1 a a:posta.pixman.cz ip4:81.91.84.232 ip4:81.95.99.96 ip6:2a02:4a8:ac24...`
SOA	`ns.dns4.cz`hostmaster@active24.cz 2026-04-14 #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=1778521660

rank #390143 globally
rank #1708 in the tld
WOT: SAFE (60/100)

Same first word

postbellum.cz

DNS History

15 records (11 active, 4 former)

●NSalfa.ns.active24.cz2015-05-05 → 2026-05-11 · 2 obs

● 2015-05-05 16:13:16
● 2026-05-11 18:12:48

●NSbeta.ns.active24.cz2015-05-05 → 2026-05-11 · 2 obs

● 2015-05-05 16:13:16
● 2026-05-11 18:12:48

●NSgama.ns.active24.sk2015-05-05 → 2026-05-11 · 2 obs

● 2015-05-05 16:13:16
● 2026-05-11 18:12:48

●NSns.dns4.cz2015-05-05 → 2026-05-11 · 2 obs

● 2015-05-05 16:13:16
● 2026-05-11 18:12:48

●MXalt1.aspmx.l.google.com2015-10-13 → 2026-05-11 · 3 obs

○ 2015-05-05 16:13:16
● 2015-10-13 23:03:02
● 2026-05-11 18:12:48

●MXalt2.aspmx.l.google.com2015-10-13 → 2026-05-11 · 3 obs

○ 2015-05-05 16:13:16
● 2015-10-13 23:03:02
● 2026-05-11 18:12:48

●MXaspmx.l.google.com2015-10-13 → 2026-05-11 · 3 obs

○ 2015-05-05 16:13:16
● 2015-10-13 23:03:02
● 2026-05-11 18:12:48

●MXaspmx2.googlemail.com2015-10-13 → 2026-05-11 · 3 obs

○ 2015-05-05 16:13:16
● 2015-10-13 23:03:02
● 2026-05-11 18:12:48

●MXaspmx3.googlemail.com2015-10-13 → 2026-05-11 · 3 obs

○ 2015-05-05 16:13:16
● 2015-10-13 23:03:02
● 2026-05-11 18:12:48

○MXmail2.miab.cz2015-05-05 → 2015-05-05 · 3 obs

● 2015-05-05 16:13:16
○ 2015-10-13 23:03:02
○ 2026-05-11 18:12:48

○A2a02:4a8:ac24:108::96:1662016-01-03 → 2017-02-10 · 5 obs

○ 2015-10-13 23:03:02
● 2016-01-03 10:08:06
● 2017-02-10 15:55:16
○ 2026-02-15 21:46:40
○ 2026-05-11 18:12:48

●A2a02:4a8:ac24:110::10:1322026-02-15 → 2026-05-11 · 3 obs

○ 2017-02-10 15:55:16
● 2026-02-15 21:46:40
● 2026-05-11 18:12:48

●A31.15.10.1322026-02-15 → 2026-05-11 · 3 obs

○ 2017-02-10 15:55:16
● 2026-02-15 21:46:40
● 2026-05-11 18:12:48

○A81.95.96.1662016-01-03 → 2017-02-10 · 5 obs

○ 2015-10-13 23:03:02
● 2016-01-03 10:08:06
● 2017-02-10 15:55:16
○ 2026-02-15 21:46:40
○ 2026-05-11 18:12:48

○A82.208.10.2312015-05-05 → 2015-10-13 · 4 obs

● 2015-05-05 16:13:16
● 2015-10-13 23:03:02
○ 2016-01-03 10:08:06
○ 2026-05-11 18:12:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
postbellum.cz	alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk	4 records

✅ Authoritative Response

Server:185.111.90.94

NS records: alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2228ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.15.10.132`
AAAA	1	`2a02:4a8:ac24:110::10:132`
NS	3	`alfa.ns.active24.cz, beta.ns.active24.cz...`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	2	`MS=ms25189888, v=spf1 a a:posta.pixman.cz ip4:81.91.84.`
SOA	1	`ns.dns4.cz hostmaster.active24.cz`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (alfa.ns.active24.cz, alfa.ns.active24.cz, beta.ns.active24.cz...)

Analysis

IP Addresses

postbellum.cz has two IP numbers: 2a02:4a8:ac24:110::10:132 and 31.15.10.132.

Other host names, for instance cncvyroba.com, www.pppjicin.cz, spcrychnov.cz, eurovit.cz and www.eservices.mvv.cz share IP numbers with postbellum.cz.

Name Servers

postbellum.cz delegates to four name servers: ns.dns4.cz, alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk.

postbellum.cz at least partially shares name servers with other domains, including officecloud.cz, baypoint.eu, hyperlinx.cz, vician.cz and bezednamiska.cz.