`koucing.org`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2007::5^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.180^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
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.koucing.org` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:8^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u6-mx.websupport.sk`
		A	45.13.137.7^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx10.websupport.at`
MX	`mailin2.koucing.org`⁽¹⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:9^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u7-mx.websupport.sk`
		A	45.13.137.8^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx20.websupport.at`
TXT	`spf2.0/pra a mx include:_sid.m1.websupport.sk ?all`
TXT	`v=spf1 include:_spf.mlsend.com a mx include:_spf.m1.websupport.sk ?all`
SOA	`ns1.websupport.sk`admin@websupport.sk serial=1769095864

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1771291736

Subdomains

mailin2.koucing.org

www.koucing.org

mailin1.koucing.org

Same first word

koucing.org

koucing.rs.ba

DNS History

9 records (7 active, 2 former)

●NSns1.websupport.sk2015-06-28 → 2026-03-13 · 2 obs

● 2015-06-28 15:56:02
● 2026-03-13 22:05:16

●NSns2.websupport.sk2015-06-28 → 2026-03-13 · 2 obs

● 2015-06-28 15:56:02
● 2026-03-13 22:05:16

●NSns3.websupport.sk2015-06-28 → 2026-03-13 · 2 obs

● 2015-06-28 15:56:02
● 2026-03-13 22:05:16

●MXmailin1.koucing.org2015-06-28 → 2026-03-13 · 2 obs

● 2015-06-28 15:56:02
● 2026-03-13 22:05:16

●MXmailin2.koucing.org2015-06-28 → 2026-03-13 · 2 obs

● 2015-06-28 15:56:02
● 2026-03-13 22:05:16

○MXmailinbackup1.koucing.org2015-06-28 → 2016-02-03 · 4 obs

● 2015-06-28 15:56:02
● 2016-02-03 05:24:48
○ 2016-06-24 16:05:06
○ 2026-03-13 22:05:16

●A2a00:4b40:aaaa:2007::52026-03-11 → 2026-03-13 · 3 obs

○ 2017-03-26 12:15:10
● 2026-03-11 12:18:30
● 2026-03-13 22:05:16

●A37.9.175.1802026-03-11 → 2026-03-13 · 3 obs

○ 2017-03-26 12:15:10
● 2026-03-11 12:18:30
● 2026-03-13 22:05:16

○A37.9.175.72015-06-28 → 2017-03-26 · 4 obs

● 2015-06-28 15:56:02
● 2017-03-26 12:15:10
○ 2026-03-11 12:18:30
○ 2026-03-13 22:05:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
koucing.org	ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk	-

✅ Authoritative Response

Server: 45.10.97.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koucing.org (unsigned zone)

⏱️ Timing

Total: 542ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.180`
AAAA	1	`2a00:4b40:aaaa:2007::5`
NS	3	`ns1.websupport.sk, ns2.websupport.sk...`
MX	2	`mailin1.koucing.org (pri: 5), mailin2.koucing.org (pri: 10)`
TXT	2	`spf2.0/pra a mx include:_sid.m1.websuppo, v=spf1 include:_spf.mlsend.com a mx incl`
SOA	1	`ns1.websupport.sk admin.websupport.sk`

Analysis

Hierarchy

koucing.org is a parent of mailin2.koucing.org, www.koucing.org and mailin1.koucing.org.

IP Addresses

koucing.org points to two IP numbers: 2a00:4b40:aaaa:2007::5 and 37.9.175.180.

Other host names such as mailinbackup1.hyperon.sk, www.harsanyi.sk, it-info.sk, hladik.sk and maxone.sk share IP numbers with koucing.org.

Name Servers

koucing.org is delegated to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

At least part of the name servers for koucing.org are shared with other domains, for instance villacapri.eu, canstav.sk, officeszurich.ch, isw.sk and turcianskakniznica.sk.