arkolog.dk

📜 Historical scan 2026-06-16 13:40:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arkolog.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 May 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 149.210.169.89 is hosted by Signet B.V. (AS20857) in The Netherlands. Mail is handled by mail.twelveletter.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 41ms

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

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
149.210.169.89	—	sigstop.twelveletter.com	AS20857	Signet B.V.	149.210.128.0/17	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.twelveletter.com	149.210.169.89	sigstop.twelveletter.com	AS20857 Signet B.V.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 167ms

TXT Record
v=spf1 a:mail.twelveletter.com -all

✉️ SPF#

Policy	Record (arkolog.dk)
-all (hard fail)	v=spf1 a:mail.twelveletter.com -all

📨 DMARC#

Policy	Record (_dmarc.arkolog.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:qb8tp6zs@ag.dmarcian.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 18:47:28

www	NXDOMAIN
www vs bare domain	www does not resolve arkolog.dk: 149.210.169.89 (AS20857) www.arkolog.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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#

153ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026061101
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 2026-10-11 19:12:10

Field	Value
Registrar	ONE.COM A/S
Registered	2003-05-14
Expires	2027-05-31 (226d)

🔗 Same registrant#

4 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
bodilfrederiksen.dk	ONE.COM A/S
grysling.dk	ONE.COM A/S
sictransit.dk	ONE.COM A/S
veilbaek.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

41ms

42ms

43ms

AAAA

41ms

TXT

167ms

CAA

43ms

HTTPS

42ms

TLSA

239ms

SOA

40ms

MTA-STS

49ms

DNSSEC

153ms

SRV

0ms

Total

834ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 18:47:28	1633ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:36:53	821ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 13:00:30	601ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 15:38:09	2417ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 19:55:20	642ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 07:27:21	1543ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 04:59:44	10638ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 00:03:38	835ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 16:28:09	2014ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:40:20 shown	834ms	2 NS 1 A 1 MX	🔒 Secure