`admin-securefirst.dk`

DNSSEC	🔒 Signed (DS record present)
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
MX	`adminsecurefirst-dk01c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all`
TXT	`MS=ms41044034`
SOA	`ns1.simply.com`hostmaster@simply.com 2025-08-18 #0

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1775998621localtime Sun Apr 12 14:57:01 2026gmtime Sun Ap...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1775998621

Subdomains

mail.admin-securefirst.dk

Same first word

admin-securefirst.dk

DNS History

4 records (4 active, 0 former)

●NSns1.simply.com2026-03-26 → 2026-04-12 · 2 obs

● 2026-03-26 21:01:54
● 2026-04-12 13:04:42

●NSns2.simply.com2026-03-26 → 2026-04-12 · 2 obs

● 2026-03-26 21:01:54
● 2026-04-12 13:04:42

●NSns3.simply.com2026-03-26 → 2026-04-12 · 2 obs

● 2026-03-26 21:01:54
● 2026-04-12 13:04:42

●MXadminsecurefirst-dk01c.mail.protection.outlook.com2026-03-26 → 2026-04-12 · 2 obs

● 2026-03-26 21:01:54
● 2026-04-12 13:04:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	h.nic.dk, c.nic.dk, b.nic.dk, t.nic.dk...	-
admin-securefirst.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com	-

✅ Authoritative Response

Server:91.197.248.79

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 985ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.simply.com, ns3.simply.com...`
MX	1	`adminsecurefirst-dk01c.mail.protection.o`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms41044034`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

Hierarchy

admin-securefirst.dk is a parent of mail.admin-securefirst.dk.

Name Servers

admin-securefirst.dk is delegated to three name servers: ns1.simply.com, ns2.simply.com and ns3.simply.com.

At least part of the name servers for admin-securefirst.dk are shared with other domains, for instance juzi.dk, tekniclean.dk, copenhagen-portal.dk, amagergaard.dk and taster-wine.dk.