postcloud.lu - dns.ninja

`postcloud.lu`

DNSSEC	⚠️ Not signed
NS	`ns1.pt.lu` ⭐
		A	2001:7e8:8800::b0^{🇱🇺 EPT-LU2001:7e8::/32}
			PTR	`ns1.pt.lu`
		A	194.154.192.1^{🇱🇺 EPT-LU194.154.192.0/19 PT-LU}
			PTR	`ns1.pt.lu`
NS	`ns2.pt.lu`
		A	2001:7e8:8800::c0^{🇱🇺 EPT-LU2001:7e8::/32}
			PTR	`ns2.pt.lu`
		A	195.46.252.2^{🇱🇺 EPT-LU195.46.224.0/19 PT-LU}
			PTR	`ns2.pt.lu`
NS	`ns3.pt.lu`
		A	2001:1610:2:1::90^{🇱🇺 ASN-VO2001:1610::/32 Visual Online S.A. Internet IP space E-Mail: noc@vo.lu}
			PTR	`ns3.pt.lu`
		A	80.90.63.90^{🇱🇺 ASN-VO80.90.32.0/19 Visual Online S.A. Internet IP space E-Mail: noc@vo.lu}
			PTR	`ns3.pt.lu`
MX	`mx1.cloudbizz.lu` ⭐
		A	194.154.212.12^{🇱🇺 EPT-LU194.154.192.0/19 PT-LU}
			PTR	`smtpout1.cloudbizz.lu`
MX	`mx2.cloudbizz.lu` ⭐
		A	194.154.212.12^{🇱🇺 EPT-LU194.154.192.0/19 PT-LU}
			PTR	`smtpout1.cloudbizz.lu`
SOA	`ns1.pt.lu`hostmaster@ns1.pt.lu 2026-01-28 #1

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`1.ns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	NS	`r.ns.lu`
	TXT	`Exported: 2026-07-24 12:01:01`
	SOA	`1.ns.lu`noc@restena.lu serial=1784887272

Subdomains

smtpout2.postcloud.lu

smtpout1.postcloud.lu

mx.postcloud.lu

Same first word

postcloud.ru

postcloud.com

postcloud.mobi

postcloud.biz

postcloud.net

postcloud.lu

postcloud.org

Similar names

DNS History

5 records (5 active, 0 former)

●NSns1.pt.lu2015-07-20 → 2026-07-24 · 5 obs

● 2015-07-20 06:36:10
● 2016-01-19 21:56:32
○ 2016-05-22 12:04:14
● 2020-10-17 08:08:18
● 2026-07-24 10:31:16

●NSns2.pt.lu2015-07-20 → 2026-07-24 · 2 obs

● 2015-07-20 06:36:10
● 2026-07-24 10:31:16

●NSns3.pt.lu2015-07-20 → 2026-07-24 · 2 obs

● 2015-07-20 06:36:10
● 2026-07-24 10:31:16

●MXmx1.cloudbizz.lu2015-07-20 → 2026-07-24 · 2 obs

● 2015-07-20 06:36:10
● 2026-07-24 10:31:16

●MXmx2.cloudbizz.lu2015-07-20 → 2026-07-24 · 2 obs

● 2015-07-20 06:36:10
● 2026-07-24 10:31:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...	14 records
postcloud.lu	ns1.pt.lu, ns2.pt.lu, ns3.pt.lu	6 records

✅ Authoritative Response

Server:194.154.192.1

NS records: ns1.pt.lu, ns2.pt.lu, ns3.pt.lu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postcloud.lu (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.pt.lu, ns3.pt.lu...`
MX	2	`mx1.cloudbizz.lu (pri: 10), mx2.cloudbizz.lu (pri: 10)`
SOA	1	`ns1.pt.lu hostmaster.ns1.pt.lu`

📌 Glue Records Collected

Total: 20

In-bailiwick: 14 (1.ns.lu, 1.ns.lu, g.dns.lu...)

Out-of-bailiwick: 6 (ns1.pt.lu, ns2.pt.lu, ns3.pt.lu...)

Analysis

Hierarchy

postcloud.lu is the parent domain of smtpout2.postcloud.lu, smtpout1.postcloud.lu and mx.postcloud.lu.

Name Servers

Three name servers are authoritative for postcloud.lu: ns1.pt.lu, ns2.pt.lu and ns3.pt.lu.

postcloud.lu shares at least some of its name servers with other domains, including mizuho.lu, cloudbizz.lu, ginge-kerr.lu and two others.

These name servers are frequently paired with the name servers nswh1.pt.lu and nswh2.pt.lu.

ns1.pt.lu resolves to 194.154.192.1 and 2001:7e8:8800::b0. ns2.pt.lu resolves to 195.46.252.2 and 2001:7e8:8800::c0. ns3.pt.lu resolves to 80.90.63.90 and 2001:1610:2:1::90. All three hostnames point to two IP numbers each.

Mail Servers

postcloud.lu is served by two mail servers, mx1.cloudbizz.lu and mx2.cloudbizz.lu.

Among the domains sharing a mail server setup with postcloud.lu are fnsp.lu, mytown.lu, cloudbizz.lu and two others.

postcloud.lu shares at least some of its mail servers with other domains, such as teamprotec.com and sinolux.lu.

mx1.cloudbizz.lu and mx2.cloudbizz.lu share one IP address between them — 194.154.212.12.

These two host names — mx1.cloudbizz.lu and mx2.cloudbizz.lu — each point to 194.154.212.12 IP addresses.