arc.dk

📜 Historical scan 2026-06-27 00:08:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arc.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 15 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by arc-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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	arc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::d 2a01:111:f403:ca09::4 2a01:111:f403:ca09::b 52.101.68.16 52.101.68.21 52.101.68.27 52.101.68.3	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00403.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 126ms

TXT Record
iee0SHry0g0SZBRlxFN9/CZ1gPZ88JWq6f+WMJI9524=
MS=ms59276311
v=spf1 include:spf.comendosystems.com include:mail.mysupport.dk include:spf.mailanyone.net include:spf.protection.outlook.com -all
Zpa0iWf39zzbXygCjud+FWw2fjoez2kiA01JG1Wv8nF9UPy/gLISUd8baPqPHQfOWrMIAss0XsE74/xbcBmAPw==

✉️ SPF#

Policy	Record (arc.dk)
-all (hard fail)	v=spf1 include:spf.comendosystems.com include:mail.mysupport.dk include:spf.mailanyone.net include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.arc.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:6114fbaa0099d@dmarc.centerasecurity.com;

📬 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 10:38:00

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network arc.dk: 93.191.155.240 (AS48854) www.arc.dk: 93.191.155.240 (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#

1 found

Selector	CNAME	Key
selector1	selector1-arc-dk._domainkey.bkifoodsas.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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

51ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2025032701
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 17:54:35

Field	Value
Registrar	DANDOMAIN A/S
Registered	1997-04-15
Expires	2027-06-30 (255d)

🔗 Same registrant#

10 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
bkikaffe.dk	DANDOMAIN A/S
black-coffee.dk	DANDOMAIN A/S
blackcoffeeroasters.dk	DANDOMAIN A/S
christgaukaffe.dk	DANDOMAIN A/S
dankaffe.dk	Punktum dk A/S (direct)
danskmaerkevarekaffe.dk	DANDOMAIN A/S
kaffe-specialisten.dk	DANDOMAIN A/S
kaffeogtespecialisten.dk	DANDOMAIN A/S
kontracoffee.dk	Punktum dk A/S (direct)
teogkaffespecialisten.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

32ms

49ms

33ms

AAAA

28ms

TXT

126ms

CAA

37ms

HTTPS

28ms

TLSA

241ms

SOA

41ms

MTA-STS

38ms

DNSSEC

51ms

SRV

36ms

Total

778ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 19:55:39	884ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 05:18:04	1039ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:47:14	1455ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:08:29 shown	778ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 07:49:57	2063ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 21:34:45	2499ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 14:57:10	908ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 16:24:20	1038ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 16:23:13	1549ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:38:09	1194ms	2 NS 1 A 1 MX	🔒 Secure