`blizzert.nl`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2005::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.165^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
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	`mailin1.blizzert.nl` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:109^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.sk`
		A	45.13.137.104^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u6-mx.websupport.cz`
MX	`mailin2.blizzert.nl`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u5-mx.websupport.sk`
		A	45.13.137.8^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx20.websupport.at`
TXT	`v=spf1 a mx ip4:81.95.105.183 ip4:81.95.105.188 include:_spf.m1.websupport.sk...`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1736291624

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-24 20:00:01 +0000 (EPOCH 1774382401)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-24 #40

WOT: SAFE (50/100)

Subdomains

mailin1.blizzert.nl

mailin2.blizzert.nl

Same first word

blizzert.nl

Similar names

blitzzer.com

DNS History

22 records (7 active, 15 former)

○NSalfa.ns.active24.cz2016-03-17 → 2019-04-09 · 5 obs

○ 2015-12-18 22:06:58
● 2016-03-17 23:03:02
● 2019-04-09 08:07:42
○ 2026-02-27 08:12:18
○ 2026-03-24 20:35:12

○NSans1.active24.com2015-04-21 → 2015-12-18 · 4 obs

● 2015-04-21 22:29:34
● 2015-12-18 22:06:58
○ 2016-03-17 23:03:02
○ 2026-03-24 20:35:12

○NSans2.active24.com2015-04-21 → 2015-12-18 · 4 obs

● 2015-04-21 22:29:34
● 2015-12-18 22:06:58
○ 2016-03-17 23:03:02
○ 2026-03-24 20:35:12

○NSans3.active24.com2015-04-21 → 2015-12-18 · 4 obs

● 2015-04-21 22:29:34
● 2015-12-18 22:06:58
○ 2016-03-17 23:03:02
○ 2026-03-24 20:35:12

○NSbeta.ns.active24.cz2016-03-17 → 2019-04-09 · 5 obs

○ 2015-12-18 22:06:58
● 2016-03-17 23:03:02
● 2019-04-09 08:07:42
○ 2026-02-27 08:12:18
○ 2026-03-24 20:35:12

○NSgama.ns.active24.sk2016-03-17 → 2019-04-09 · 5 obs

○ 2015-12-18 22:06:58
● 2016-03-17 23:03:02
● 2019-04-09 08:07:42
○ 2026-02-27 08:12:18
○ 2026-03-24 20:35:12

●NSns1.websupport.cz2026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-09 08:07:42
● 2026-02-27 08:12:18
● 2026-03-24 20:35:12

●NSns2.websupport.cz2026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-09 08:07:42
● 2026-02-27 08:12:18
● 2026-03-24 20:35:12

●NSns3.websupport.eu2026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-09 08:07:42
● 2026-02-27 08:12:18
● 2026-03-24 20:35:12

●MXmailin1.blizzert.nl2026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-09 08:07:42
● 2026-02-27 08:12:18
● 2026-03-24 20:35:12

●MXmailin2.blizzert.nl2026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-09 08:07:42
● 2026-02-27 08:12:18
● 2026-03-24 20:35:12

○MXmta1.active24.com2015-04-21 → 2015-12-18 · 4 obs

● 2015-04-21 22:29:34
● 2015-12-18 22:06:58
○ 2016-03-17 23:03:02
○ 2026-03-24 20:35:12

○MXmta2.active24.com2015-04-21 → 2015-12-18 · 4 obs

● 2015-04-21 22:29:34
● 2015-12-18 22:06:58
○ 2016-03-17 23:03:02
○ 2026-03-24 20:35:12

○MXmta3.active24.com2015-04-21 → 2015-12-18 · 4 obs

● 2015-04-21 22:29:34
● 2015-12-18 22:06:58
○ 2016-03-17 23:03:02
○ 2026-03-24 20:35:12

○MXmta4.active24.com2015-04-21 → 2015-12-18 · 4 obs

● 2015-04-21 22:29:34
● 2015-12-18 22:06:58
○ 2016-03-17 23:03:02
○ 2026-03-24 20:35:12

○MXmx1.active24.com2016-03-17 → 2019-04-09 · 5 obs

○ 2015-12-18 22:06:58
● 2016-03-17 23:03:02
● 2019-04-09 08:07:42
○ 2026-02-27 08:12:18
○ 2026-03-24 20:35:12

○MXmx2.active24.com2016-03-17 → 2019-04-09 · 5 obs

○ 2015-12-18 22:06:58
● 2016-03-17 23:03:02
● 2019-04-09 08:07:42
○ 2026-02-27 08:12:18
○ 2026-03-24 20:35:12

○A213.188.130.1102015-04-21 → 2015-12-18 · 4 obs

● 2015-04-21 22:29:34
● 2015-12-18 22:06:58
○ 2016-03-17 23:03:02
○ 2026-03-24 20:35:12

●A2a00:4b40:aaaa:2005::62026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-09 08:07:42
● 2026-02-27 08:12:18
● 2026-03-24 20:35:12

○A2a02:4a8:ac24:117::101:52016-03-17 → 2019-04-09 · 5 obs

○ 2015-12-18 22:06:58
● 2016-03-17 23:03:02
● 2019-04-09 08:07:42
○ 2026-02-27 08:12:18
○ 2026-03-24 20:35:12

●A37.9.175.1652026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-09 08:07:42
● 2026-02-27 08:12:18
● 2026-03-24 20:35:12

○A81.95.101.52016-03-17 → 2019-04-09 · 5 obs

○ 2015-12-18 22:06:58
● 2016-03-17 23:03:02
● 2019-04-09 08:07:42
○ 2026-02-27 08:12:18
○ 2026-03-24 20:35:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns4.dns.nl, ns3.dns.nl, ns1.dns.nl	-
blizzert.nl	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: 2137ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.165`
AAAA	1	`2a00:4b40:aaaa:2005::6`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.blizzert.nl (pri: 10), mailin2.blizzert.nl (pri: 100)`
TXT	1	`v=spf1 a mx ip4:81.95.105.183 ip4:81.95.`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

blizzert.nl is a parent of mailin1.blizzert.nl and mailin2.blizzert.nl.

IP Addresses

blizzert.nl points to two IP numbers: 2a00:4b40:aaaa:2005::6 and 37.9.175.165.

Other host names, for instance mivamed.eu, beifang.nl, aiconsulting.cz, nerodia.cz and progresor.cz share IP numbers with blizzert.nl.

Name Servers

The domain blizzert.nl is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

blizzert.nl shares name servers with other domains at least partially, for instance kassct.cz, serviskominu.cz, ipessl.es, kolenem.cz and wanet.cz.

Host names with two IP numbers:

ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11

ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12

ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13

Mail Servers

blizzert.nl is handled by two mail servers: mailin1.blizzert.nl and mailin2.blizzert.nl.

Host names with two IP numbers:

The host mailin1.blizzert.nl points to 2a00:4b40:aaaa:2101:45:13:137:109 and 45.13.137.104.

The host mailin2.blizzert.nl points to 2a00:4b40:aaaa:2101:45:13:137:7 and 45.13.137.8.

blizzert.nl - robtex.com

blizzert.nl

nl

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`blizzert.nl`

`nl`