by-k.dk

📜 Historical scan 2026-08-14 04:41:37 · ← 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 71ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.provi.dk	88.99.120.238	ns1.dnshotel.dk	AS24940 Hetzner Online GmbH
ns2.provi.dk	94.130.170.39	ns2.dnshotel.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.4.84.82	3600s	server2.provi.dk	AS24940	Hetzner Online GmbH	46.4.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	by-k.dk	2a01:4f8:141:61de::1 46.4.84.82	server2.provi.dk server2.provi.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:141:61de::1	3600s	server2.provi.dk	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 337ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.by-k.dk	zMi7rDDgMjH52EuipgDBPX4B8skXunERz7I5IMyJtQI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9087ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2026070301
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#

71ms

64ms

59ms

AAAA

62ms

TXT

337ms

CAA

65ms

HTTPS

72ms

TLSA

222ms

SOA

36ms

MTA-STS

105ms

DNSSEC

9087ms

SRV

95ms

Total

18961ms

🕐 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 shown	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	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