arbitrage.dk

📜 Historical scan 2026-07-04 21:37:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arbitrage.dk is a .dk domain served by 2 nameservers (coco.ns.cloudflare.com, roman.ns.cloudflare.com). It was registered on 11 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.211.207.7 is hosted by K-Net Forening (AS204141) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, 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 149ms

Nameserver	IP addresses	PTR	ASN / ISP
coco.ns.cloudflare.com	108.162.192.104 172.64.32.104 173.245.58.104 2606:4700:50::adf5:3a68 2803:f800:50::6ca2:c068 2a06:98c1:50::ac40:2068	coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
roman.ns.cloudflare.com	108.162.195.103 162.159.44.103 172.64.35.103 2606:4700:58::a29f:2c67 2803:f800:50::6ca2:c367 2a06:98c1:50::ac40:2367	roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.211.207.7	300s	0052d3cf07.dynamic-ip4.rev.k-net.dk	AS204141	K-Net Forening	82.211.192.0/19	🇩🇰 Denmark	Kongens Lyngby

📧 MX Records#

2 records 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch —	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 373ms

TXT Record
google-site-verification=8-Ix58oIAnHn2iCeGsOOVVsao-EUk-9uLU_HbVxdMAs
protonmail-verification=f88a092b613d30561ae882fd1b9fbdedc15bfd3c
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (arbitrage.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.arbitrage.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 2026-10-07 17:20:29

www	82.211.207.7 (AS204141) (address records, no CNAME)
www vs bare domain	Same network arbitrage.dk: 82.211.207.7 (AS204141) www.arbitrage.dk: 82.211.207.7 (AS204141)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 199ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

303ms

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

🏷️ SOA#

112ms

Field	Value
Serial	2405461678
Primary NS (MNAME)	coco.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 07:10:56

Field	Value
Registrar	Netsite A/S
Registered	2024-10-11
Expires	2027-10-10 (358d)

🔗 Same registrant#

2 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
martinmejer.dk	Netsite A/S
th.dk	Netsite A/S

📋 WHOIS#

⏱️ Lookup Timing#

149ms

85ms

88ms

AAAA

125ms

TXT

373ms

CAA

112ms

HTTPS

156ms

TLSA

199ms

SOA

112ms

MTA-STS

150ms

DNSSEC

303ms

SRV

117ms

Total

6918ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:20:29	598ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 03:52:42	1246ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-23 19:24:33	847ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-21 07:42:27	912ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-04 10:10:38	696ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-24 17:06:21	9612ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-22 14:40:26	1300ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-04 21:37:52 shown	6918ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-20 19:35:08	638ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-18 23:38:45	1036ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-16 13:38:10	1134ms	2 NS 1 A 2 MX	🔓 Insecure