`holokolo.de`

DNSSEC	⚠️ Not signed
A	23.88.74.199^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
		PTR	`holokolo.ui42.sk`
NS	`ns1.websupport.sk` ⭐
		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.sk`
		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.sk`
		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.holokolo.de` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:9^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u7-mx.websupport.sk`
		A	45.13.137.9^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u7-mx.websupport.sk`
MX	`mailin2.holokolo.de`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u5-mx.websupport.sk`
		A	45.13.137.7^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx10.websupport.at`
TXT	`v=spf1 a mx include:_spf.m1.websupport.sk ?all`
TXT	`spf2.0/pra a mx include:_sid.m1.websupport.sk ?all`
TXT	`google-site-verification=wITaw3eGeA4c6N85RTGg6MaAKCw1cQKfb9dkqk7jFzA`
SOA	`ns1.websupport.sk`admin@websupport.sk serial=1773526450

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1776083172

Subdomains

www.holokolo.de

mailin1.holokolo.de

mailin2.holokolo.de

Same first word

holokolo.sk

holokolo.pl

holokolo.si

holokolo.de

holokolo.cz

holokolo.gr

holokolo.hu

holokolo.hr

holokolo.com

holokolo.ro

DNS History

6 records (6 active, 0 former)

●NSns1.websupport.sk2026-02-17 → 2026-04-13 · 2 obs

● 2026-02-17 19:00:58
● 2026-04-13 12:32:52

●NSns2.websupport.sk2026-02-17 → 2026-04-13 · 2 obs

● 2026-02-17 19:00:58
● 2026-04-13 12:32:52

●NSns3.websupport.sk2026-02-17 → 2026-04-13 · 2 obs

● 2026-02-17 19:00:58
● 2026-04-13 12:32:52

●MXmailin1.holokolo.de2026-02-17 → 2026-04-13 · 2 obs

● 2026-02-17 19:00:58
● 2026-04-13 12:32:52

●MXmailin2.holokolo.de2026-02-17 → 2026-04-13 · 2 obs

● 2026-02-17 19:00:58
● 2026-04-13 12:32:52

●A23.88.74.1992026-02-17 → 2026-04-13 · 2 obs

● 2026-02-17 19:00:58
● 2026-04-13 12:32:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
holokolo.de	ns2.websupport.sk, ns1.websupport.sk, ns3.websupport.sk	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns2.websupport.sk, ns1.websupport.sk, ns3.websupport.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for holokolo.de (unsigned zone)

⏱️ Timing

Total: 721ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.88.74.199`
NS	3	`ns1.websupport.sk, ns2.websupport.sk...`
MX	2	`mailin1.holokolo.de (pri: 10), mailin2.holokolo.de (pri: 100)`
TXT	3	`v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo...`
SOA	1	`ns1.websupport.sk admin.websupport.sk`

Analysis

Hierarchy

holokolo.de is a parent of www.holokolo.de, mailin1.holokolo.de and mailin2.holokolo.de.

IP Addresses

holokolo.de points to a single IP number: 23.88.74.199.

other host names for instance www.odziezdlakolarzy.pl, www.holokolo.hr, holokolo.si, www.holokolo.pl and www.cyklodresy.sk share IP numbers with holokolo.de.

Name Servers

holokolo.de is delegated to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

holokolo.de at least partially shares name servers with other domains, for instance a3domsk.sk, jurajkralik.com, oravin.sk, abaffy.eu and eco-life.sk.