erhvervskort.dk

Records from scan: 2026-10-07 23:32:09 · 544ms total · last checked 2026-10-16 10:02 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

erhvervskort.dk is a .dk domain served by 2 nameservers (dns.dsb.dk, ns.dsb.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 137.116.232.79 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mxfilter01.netic.dk.erhvervskort.dk, mxfilter02.netic.dk.erhvervskort.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
dns.dsb.dk	193.28.147.132	dns.dsb.dk	AS41746 DSB (SOV)
ns.dsb.dk	193.28.147.131	ns.dsb.dk	AS41746 DSB (SOV)

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
137.116.232.79	3600s	—	AS8075	Microsoft Corporation	137.116.0.0/15	🇮🇪 Ireland	Dublin

📧 MX Records#

2 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	21600s	mxfilter01.netic.dk.erhvervskort.dk	—	—	—
10	21600s	mxfilter02.netic.dk.erhvervskort.dk	—	—	—

🔷 AAAA Records (IPv6)#

1 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a03:dc80:0:f12d::205	3600s	web-php7.netic.dk	AS42697	Netic A/S	2a03:dc80:0:0:0:0:0:0/29	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 223ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (erhvervskort.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.erhvervskort.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:pfutvobx@ag.eu.dmarcadvisor.com; ruf=mailto:pfutvobx@fr.eu.dmarcadvisor.com; fo=1;

📬 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 2026-10-07 23:32:09

www	NXDOMAIN
www vs bare domain	www does not resolve erhvervskort.dk: 137.116.232.79 2a03:dc80:0:f12d::205 (AS8075 AS42697) www.erhvervskort.dk: no address (all like this)
Wildcard	No

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

32ms

Field	Value
Serial	2023011702
Primary NS (MNAME)	ns.dsb.dk
Responsible (RNAME)	manager@dsb.dk
Refresh	1800s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	5400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

23ms

38ms

45ms

AAAA

37ms

TXT

223ms

CAA

42ms

HTTPS

40ms

TLSA

163ms

SOA

32ms

MTA-STS

57ms

DNSSEC

55ms

SRV

57ms

Total

544ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 23:32:09 shown	544ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-04 03:05:27	994ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-30 04:46:47	542ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-02 06:49:24	715ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 20:31:41	976ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-02 01:27:08	786ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 08:05:45	466ms	2 NS 1 A 2 MX	🔓 Insecure