arkk.dk

📜 Historical scan 2026-06-21 23:53:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arkk.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 9 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.38.14 is hosted by Team.blue Denmark A/s (AS48854) in Denmark. Mail is handled by arkk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.38.14	3600s	—	AS48854	Team.blue Denmark A/s	193.8.38.0/24	🇩🇰 Denmark	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arkk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca09::d 52.101.68.12 52.101.68.8 52.101.73.1 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 861ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 331ms

TXT Record
MS=ms78109307
v=spf1 ip4:5.186.47.112 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (arkk.dk)
-all (hard fail)	v=spf1 ip4:5.186.47.112 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.arkk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:i7etyptbwz@rua.powerdmarc.com; ruf=mailto:i7etyptbwz@ruf.powerdmarc.com; fo=1; t=n;

📬 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 2026-10-11 03:48:18

www	193.8.38.14 (AS48854) (address records, no CNAME)
www vs bare domain	Same network arkk.dk: 193.8.38.14 (AS48854) www.arkk.dk: 193.8.38.14 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u46882193.wl194.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u46882193.wl194.sendgrid.net	RSA · ~2048 bit
selector1	selector1-arkk-dk._domainkey.arkkoege.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

35ms

Field	Value
Serial	2025100601
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 20:13:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-06-09
Expires	2027-06-30 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

32ms

45ms

AAAA

40ms

TXT

331ms

CAA

34ms

HTTPS

38ms

TLSA

688ms

SOA

35ms

MTA-STS

48ms

DNSSEC

114ms

SRV

861ms

Total

1831ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-29 06:58:45	772ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 23:53:01 shown	1831ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 09:16:55	966ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:40:35	768ms	2 NS 1 A 1 MX	🔒 Secure