byg-selv.dk

📜 Historical scan 2026-06-20 08:20:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byg-selv.dk is a .dk domain served by 2 nameservers (joan.ns.cloudflare.com, lloyd.ns.cloudflare.com). It was registered on 14 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.35.252 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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 247ms

Nameserver	IP addresses	PTR	ASN / ISP
joan.ns.cloudflare.com	108.162.192.173 172.64.32.173 173.245.58.173 2606:4700:50::adf5:3aad 2803:f800:50::6ca2:c0ad 2a06:98c1:50::ac40:20ad	joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lloyd.ns.cloudflare.com	108.162.193.197 172.64.33.197 173.245.59.197 2606:4700:58::adf5:3bc5 2803:f800:50::6ca2:c1c5 2a06:98c1:50::ac40:21c5	lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.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 193ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.252	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.198	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 188ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b5c6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:23fc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 281ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.252,172.67.181.198 ech=AEX+DQBB7QAgACBc7rhY1/z+KUvvg6fnbeaCNDOydik5ZcsYhoZ5+dkIIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b5c6,2606:4700:3034::6815:23fc

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 16:31:42

www	104.21.35.252 172.67.181.198 2606:4700:3034::ac43:b5c6 2606:4700:3036::6815:23fc (AS13335) (address records, no CNAME)
www vs bare domain	Same network byg-selv.dk: 104.21.35.252 172.67.181.198 2606:4700:3034::ac43:b5c6 2606:4700:3036::6815:23fc (AS13335) www.byg-selv.dk: 104.21.35.252 172.67.181.198 2606:4700:3034::ac43:b5c6 2606:4700:3036::6815:23fc (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

385ms

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

🏷️ SOA#

320ms

Field	Value
Serial	2405930810
Primary NS (MNAME)	joan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 19:55:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-04-14
Expires	2027-04-30 (188d)

📋 WHOIS#

⏱️ Lookup Timing#

247ms

193ms

300ms

AAAA

188ms

TXT

580ms

CAA

224ms

HTTPS

281ms

TLSA

232ms

SOA

320ms

MTA-STS

266ms

DNSSEC

385ms

SRV

340ms

Total

2013ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 13:05:48	630ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-28 12:59:35	608ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 12:24:15	527ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-14 13:16:02	1554ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 04:47:21	2380ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-31 03:50:25	942ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-16 23:45:26	8834ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 03:31:49	556ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 09:49:25	922ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 08:20:39 shown	2013ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 18:10:30	416ms	2 NS 2 A 0 MX	🔓 Insecure