bykk.dk

📜 Historical scan 2026-06-25 01:51:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bykk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 February 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 148.251.17.181 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx1.orda.dk. 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 254ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 295ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
148.251.17.181	43200s	static.181.17.251.148.clients.your-server.de	AS24940	Hetzner Online GmbH	148.251.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 215ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx1.orda.dk	2a01:4f8:c2c:bea5::1 88.99.174.177	mx1.mailmx.dk —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 1056ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (bykk.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.bykk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:iwwzt2vm@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 2026-10-07 15:49:26

www	148.251.17.181 (AS24940) (address records, no CNAME)
www vs bare domain	Same network bykk.dk: 148.251.17.181 (AS24940) www.bykk.dk: 148.251.17.181 (AS24940)
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
mail	—	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#

741ms

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

🏷️ SOA#

218ms

Field	Value
Serial	2026052601
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 2026-10-10 20:12:55

Field	Value
Registrar	ONE.COM A/S
Registered	2007-02-20
Expires	2027-02-28 (127d)

📋 WHOIS#

⏱️ Lookup Timing#

254ms

295ms

215ms

AAAA

191ms

TXT

1056ms

CAA

210ms

HTTPS

198ms

TLSA

194ms

SOA

218ms

MTA-STS

353ms

DNSSEC

741ms

SRV

359ms

Total

5963ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 12:59:27	799ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 12:33:42	786ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 16:22:07	2221ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 14:05:18	684ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 13:07:33	2971ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:48:40	849ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-27 15:50:37	2838ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 17:22:10	1045ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 01:51:22 shown	5963ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 01:04:14	2888ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 01:08:38	1185ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:26:04	559ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:20:26	667ms	2 NS 1 A 1 MX	🔒 Secure