efsm.dk

📜 Historical scan 2026-06-17 06:25:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

efsm.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by efsm-dk.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 844ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 309ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	efsm-dk.mail.protection.outlook.com	52.101.68.18 52.101.68.36 52.101.73.153 52.101.73.4	mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 2165ms

TXT Record
google-site-verification=bPFVDqnyRxNTuZTT6Fnxs8DBFo0KhWtNsX9C-VjHExE
MS=ms47032570
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (efsm.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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#

latest probe, not this scan · checked 2026-10-13 03:40:51

www	NXDOMAIN
www vs bare domain	Neither resolves efsm.dk: no address www.efsm.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1955ms

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

🏷️ SOA#

434ms

Field	Value
Serial	2026061201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-13 03:54:10

Field	Value
Registrar	ONE.COM A/S
Registered	2024-03-24
Expires	2027-03-23 (157d)

🔗 Same registrant#

5 domains

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
bcnord.dk	ONE.COM A/S
intarsia.dk	ONE.COM A/S
kirkekonservator.dk	ONE.COM A/S
konserveringsværksted.dk	ONE.COM A/S
tekstilkonservering.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

844ms

932ms

309ms

AAAA

328ms

TXT

2165ms

CAA

316ms

HTTPS

1515ms

TLSA

348ms

SOA

434ms

MTA-STS

440ms

DNSSEC

1955ms

SRV

0ms

Total

13782ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:40:51	1510ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-26 02:16:33	695ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-12 20:23:41	1352ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-12 23:55:31	1327ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-11 18:03:20	5271ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-19 10:11:18	1063ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-13 18:49:14	5645ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-19 22:05:10	772ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 06:25:24 shown	13782ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 06:14:50	1825ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 06:04:32	802ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 06:01:05	1429ms	2 NS 0 A 1 MX	🔒 Secure