admin-securefirst.dk

Records from scan: 2026-10-13 03:39:01 · 973ms total · last checked 2026-10-18 10:07 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

admin-securefirst.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 22 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by adminsecurefirst-dk01c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	adminsecurefirst-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::12 2a01:111:f403:ca48::a 52.101.185.114 52.101.73.126 52.101.73.153 52.101.91.156	mail-db7pr03cu00507.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 106ms

TXT Record
MS=ms41044034
v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all

✉️ SPF#

Policy	Record (admin-securefirst.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-13 03:39:01

www	NXDOMAIN
www vs bare domain	Neither resolves admin-securefirst.dk: no address www.admin-securefirst.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

60ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

21ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 03:55:37

Field	Value
Registrar	Simply.com A/S
Registered	2023-09-22
Expires	2027-09-21 (337d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
securefirst.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

29ms

25ms

29ms

AAAA

24ms

TXT

106ms

CAA

32ms

HTTPS

32ms

TLSA

586ms

SOA

21ms

MTA-STS

40ms

DNSSEC

60ms

SRV

43ms

Total

973ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:39:01 shown	973ms	3 NS 0 A 1 MX	🔒 Secure
2026-10-03 02:58:53	2052ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-30 02:28:27	949ms	3 NS 0 A 1 MX	🔒 Secure
2026-07-01 23:43:06	868ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-16 12:50:01	1819ms	3 NS 0 A 1 MX	🔒 Secure