arcsec.dk

📜 Historical scan 2026-07-17 11:43:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arcsec.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 4 July 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx1.migadu.com, aspmx2.migadu.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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.desec.io	2607:f740:e633:deec::2 45.54.76.1	ns1.desec.io ns1.desec.io	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
ns2.desec.org	157.53.224.1 2607:f740:e00a:deec::2	ns2.desec.org ns2.desec.org	AS36217 NetActuate, Inc AS36217 NetActuate, Inc

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx1.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS
20	3600s	aspmx2.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	autoconfig.migadu.com → 141.94.97.141

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 212ms

TXT Record
hosted-email-verify=nuvmpkr6
v=spf1 include:spf.migadu.com -all

✉️ SPF#

Policy	Record (arcsec.dk)
-all (hard fail)	v=spf1 include:spf.migadu.com -all

📨 DMARC#

Policy	Record (_dmarc.arcsec.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 2026-10-16 02:13:24

www	NXDOMAIN
www vs bare domain	Neither resolves arcsec.dk: no address www.arcsec.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2023063251
Primary NS (MNAME)	get.desec.io
Responsible (RNAME)	get@desec.io
Refresh	86400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-16 16:15:54

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-07-04
Expires	2027-07-03 (259d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

43ms

40ms

41ms

AAAA

41ms

TXT

212ms

CAA

41ms

HTTPS

41ms

TLSA

91ms

SOA

0ms

MTA-STS

50ms

DNSSEC

72ms

SRV

1192ms

Total

2346ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 02:13:23	1343ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-09 12:30:10	2309ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-02 02:20:06	2800ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-25 00:40:13	1212ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-24 00:15:39	767ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-15 22:17:12	1402ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-07 02:32:38	1650ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-29 04:32:29	1411ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-21 06:10:43	9985ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-14 13:21:06	1741ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-07 23:16:20	3921ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-02 23:36:11	2259ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-24 17:32:06	9181ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-17 11:43:14 shown	2346ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-10 08:20:01	3340ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-03 17:54:24	1598ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-26 08:17:39	591ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-18 22:48:36	1777ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-16 13:38:23	878ms	2 NS 0 A 2 MX	🔒 Secure