by-k.dk

📜 Historical scan 2026-06-16 18:16:02 · ← 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 306ms

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

🌍 A Records#

1 records 234ms

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 258ms

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 220ms

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 445ms

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#

357ms

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

🏷️ SOA#

256ms

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#

306ms

234ms

258ms

AAAA

220ms

TXT

445ms

CAA

232ms

HTTPS

227ms

TLSA

177ms

SOA

256ms

MTA-STS

281ms

DNSSEC

357ms

SRV

0ms

Total

1487ms

🕐 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	3304ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:16:02 shown	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