by-k.dk

📜 Historical scan 2026-06-16 18:16:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

by-k.dk is a .dk domain served by 2 nameservers (ns1.provi.dk, ns2.provi.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.4.84.82 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by by-k.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 737ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.provi.dk	—	—	—
ns2.provi.dk	—	—	—

🌍 A Records#

1 records 667ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.4.84.82	—	server2.provi.dk	AS24940	Hetzner Online GmbH	46.4.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 785ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	by-k.dk	46.4.84.82	server2.provi.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 757ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:141:61de::1	—	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 1247ms

TXT Record
v=spf1 ip4:46.4.84.82 include:spf.provi.dk +a +mx ~all

✉️ SPF#

Policy	Record (by-k.dk)
~all (soft fail)	v=spf1 ip4:46.4.84.82 include:spf.provi.dk +a +mx ~all

📨 DMARC#

Policy	Record (_dmarc.by-k.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-09 21:13:27

www CNAME	by-k.dk (all on by-k.dk) → 46.4.84.82 2a01:4f8:141:61de::1 (AS24940)
www vs bare domain	Same network by-k.dk: 46.4.84.82 2a01:4f8:141:61de::1 (AS24940) www.by-k.dk: 46.4.84.82 2a01:4f8:141:61de::1 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1116ms

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

🏷️ SOA#

644ms

Field	Value
Serial	2026050301
Primary NS (MNAME)	ns1.provi.dk
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

737ms

667ms

785ms

AAAA

757ms

TXT

1247ms

CAA

791ms

HTTPS

753ms

TLSA

543ms

SOA

644ms

MTA-STS

763ms

DNSSEC

1116ms

SRV

0ms

Total

3304ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 09:17:22	679ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-14 04:41:37	18961ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-09 22:56:42	4794ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-28 08:15:01	16151ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 20:03:36	1305ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-01 23:46:33	1593ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:16:37 shown	3304ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:16:02	1487ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:01:37	677ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:01:12	705ms	2 NS 1 A 1 MX	🔓 Insecure