bykampen.dk

📜 Historical scan 2026-08-24 21:05:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bykampen.dk is a .dk domain served by 2 nameservers (justin.ns.cloudflare.com, serena.ns.cloudflare.com). It was registered on 24 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.6 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.6	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.184.201	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:b8c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:4c06	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.6,172.67.184.201 ech=AEX+DQBB9AAgACDGsaM394fQZDa41e7Pk5XsMeXXi0zLY40wG+6T/TjyIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:b8c9,2606:4700:3034::6815:4c06

📝 TXT Records#

1 records 204ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.bykampen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:616e6d7475085@dmarc.centerasecurity.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 2026-10-15 15:56:31

www	104.21.76.6 172.67.184.201 2606:4700:3033::ac43:b8c9 2606:4700:3034::6815:4c06 (AS13335) (address records, no CNAME)
www vs bare domain	Same network bykampen.dk: 104.21.76.6 172.67.184.201 2606:4700:3033::ac43:b8c9 2606:4700:3034::6815:4c06 (AS13335) www.bykampen.dk: 104.21.76.6 172.67.184.201 2606:4700:3033::ac43:b8c9 2606:4700:3034::6815:4c06 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.bykampen.dk	OibHdWf1QsV0-3oX-JB1vQLhZi6Z6R_58dAnAKryy5M
TXT	_acme-challenge.bykampen.dk	gIN5eIfIHcSYRZHAPJ-QlKTLd3KIckOnjep6Qzp46X4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

142ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413074319
Primary NS (MNAME)	justin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-02 20:38:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-11-24
Expires	2027-07-31 (281d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

44ms

39ms

AAAA

37ms

TXT

204ms

CAA

36ms

HTTPS

41ms

TLSA

75ms

SOA

0ms

MTA-STS

94ms

DNSSEC

142ms

SRV

98ms

Total

576ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 15:56:31	1128ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-02 20:20:11	763ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 20:17:03	662ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 01:38:03	615ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-21 03:32:14	1162ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-02 23:48:43	3187ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-28 18:06:37	509ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-27 17:24:23	826ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-24 21:05:25 shown	576ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-06 11:26:20	841ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-03 19:44:09	1064ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-12 03:14:28	954ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-29 03:12:33	778ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-24 22:25:46	904ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-21 15:18:36	682ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-20 08:51:04	9077ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-16 18:25:44	346ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-16 18:20:42	430ms	2 NS 2 A 0 MX	🔒 Secure