mail.tutorials.dk - dns.ninja

`mail.tutorials.dk`

CNAME	`tutorials.dk`
DNSSEC	⚠️ Not signed
A	46.183.138.100^{🇩🇰 SENTIA46.183.138.0/24}
NS	`ns1.gigahost.dk` ⭐
		A	46.183.139.31^{🇩🇰 SENTIA46.183.139.0/24}
NS	`ns2.gigahost.dk`
		A	46.183.139.222^{🇩🇰 SENTIA46.183.139.0/24}
			PTR	`web22.gigahost.dk`
NS	`ns3.gigahost.dk`
		A	71.19.249.71^{🇨🇦 ESECUREDATACOM-171.19.249.0/24 eSecureData.com Inc.}
			PTR	`ns3.gigahost.dk`
NS	`ns4.gigahost.dk`
		A	51.79.215.130^{🇸🇬 OVH51.79.128.0/17 Hosting route}
			PTR	`ns4.gigahost.dk`
NS	`ns5.gigahost.dk`
		A	77.74.192.83^{🇬🇧 UKSERVERS-AS77.74.192.0/21 UK Dedicated Servers Limited}
			PTR	`ns5.gigahost.dk`
MX	`mx1.gigahost.dk` ⭐
		A	46.183.139.11^{🇩🇰 SENTIA46.183.139.0/24}
			PTR	`mx1.gigahost.dk`
MX	`mx2.gigahost.dk` ⭐
		A	46.183.139.12^{🇩🇰 SENTIA46.183.139.0/24}
			PTR	`mx2.gigahost.dk`
MX	`mx3.gigahost.dk` ⭐
		A	46.183.139.13^{🇩🇰 SENTIA46.183.139.0/24}
			PTR	`mx3.gigahost.dk`
SOA	`ns1.gigahost.dk`hostmaster@tutorials.dk 2026-06-11 #1

`tutorials.dk`

	DNSSEC	⚠️ Not signed
	A	46.183.138.100^{🇩🇰 SENTIA46.183.138.0/24}
	NS	`ns1.gigahost.dk` ⭐
	NS	`ns2.gigahost.dk`
	NS	`ns3.gigahost.dk`
	NS	`ns4.gigahost.dk`
	NS	`ns5.gigahost.dk`
	MX	`mx1.gigahost.dk` ⭐
	MX	`mx2.gigahost.dk` ⭐
	MX	`mx3.gigahost.dk` ⭐
	SOA	`ns1.gigahost.dk`hostmaster@tutorials.dk 2026-06-11 #1

Previously MX for

tutorials.dk

Same first word

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DNS History

2 records (1 active, 1 former)

○A77.66.85.1402015-07-09 → 2016-02-28 · 3 obs

● 2015-07-09 07:27:48
● 2016-02-28 20:41:04
○ 2026-06-14 17:39:48

●CNAMEtutorials.dk2026-06-14 → 2026-06-14 · 1 obs

● 2026-06-14 17:39:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	s.nic.dk, b.nic.dk, h.nic.dk, c.nic.dk...	-
tutorials.dk	ns3.gigahost.dk, ns4.gigahost.dk, ns2.gigahost.dk, ns1.gigahost.dk...	5 records

✅ Authoritative Response

Server:46.183.139.31

NS records: ns3.gigahost.dk, ns4.gigahost.dk, ns2.gigahost.dk, ns1.gigahost.dk, ns5.gigahost.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorials.dk (unsigned zone)

⏱️ Timing

Total: 656ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`tutorials.dk`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns5.gigahost.dk, ns4.gigahost.dk, ns3.gigahost.dk...)

Analysis

IP Addresses

mail.tutorials.dk points to a single IP number: 46.183.138.100.

Additional host names — 2900.dk, troldeborn.dk, liza.dk and two others — share IP numbers with mail.tutorials.dk.

Name Servers

Delegation for mail.tutorials.dk is to five name servers: ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and two others.

There is at least partial name server overlap between mail.tutorials.dk and other domains — ns2.gigahost.si, mail.bendstrup.dk, nixie.dk and two more among them.

These name servers frequently co-occur with the name servers ns4.gigahost.dk and ns5.gigahost.dk.

Host names pointing to a single IP address:

ns1.gigahost.dk has the IP address 46.183.139.31.

ns2.gigahost.dk has the IP address 46.183.139.222.

ns3.gigahost.dk has the IP address 71.19.249.71.

ns4.gigahost.dk has the IP address 51.79.215.130.

ns5.gigahost.dk has the IP address 77.74.192.83.

Mail Servers

Incoming mail for mail.tutorials.dk is delivered via three mail servers: mx1.gigahost.dk, mx2.gigahost.dk and mx3.gigahost.dk.

mail.tutorials.dk shares mail servers — at least in part — with other domains, including speedzone.dk, m4x.dk, misp.dk and two others.

The hostnames mx1.gigahost.dk, mx2.gigahost.dk and mx3.gigahost.dk each resolve to a single IP: mx1.gigahost.dk → 46.183.139.11, mx2.gigahost.dk → 46.183.139.12, mx3.gigahost.dk → 46.183.139.13.