bylineolsen.dk

📜 Historical scan 2026-10-17 10:30:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bylineolsen.dk is a .dk domain served by 2 nameservers (dell.ns.cloudflare.com, ned.ns.cloudflare.com). It was registered on 13 April 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.62.98.10 is hosted by TDC Holding A/S (AS3292) in Denmark. The zone is DNSSEC-signed and validates, has no 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
dell.ns.cloudflare.com	108.162.192.94 172.64.32.94 173.245.58.94 2606:4700:50::adf5:3a5e 2803:f800:50::6ca2:c05e 2a06:98c1:50::ac40:205e	dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ned.ns.cloudflare.com	108.162.193.210 172.64.33.210 173.245.59.210 2606:4700:58::adf5:3bd2 2803:f800:50::6ca2:c1d2 2a06:98c1:50::ac40:21d2	ned.ns.cloudflare.com ned.ns.cloudflare.com ned.ns.cloudflare.com ned.ns.cloudflare.com ned.ns.cloudflare.com ned.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.62.98.10	300s	0x573e620a.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	87.62.0.0/15	🇩🇰 Denmark	Fredericia

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-22 10:11:12

www	Exists, no address
www vs bare domain	www does not resolve bylineolsen.dk: 87.62.98.10 (AS3292) www.bylineolsen.dk: no address (all like this)
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

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.bylineolsen.dk	8711403f-9b7c-4197-b017-4b62add19ab5.auth.acme-dns.io
TXT	8711403f-9b7c-4197-b017-4b62add19ab5.auth.acme-dns.io	hOpmBbEcUEOw8dfaCN-6OcfG2iZ5pJZkfUyC4Kg7soc
TXT	8711403f-9b7c-4197-b017-4b62add19ab5.auth.acme-dns.io	mjZT86-XEN0Nhd6Vc4IqyeZZZmi1VpK20AsjYSHtn2Y

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

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

🏷️ SOA#

26ms

Field	Value
Serial	2417641171
Primary NS (MNAME)	dell.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 10:40:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-04-13
Expires	2027-04-12 (168d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
gedvedgoats.dk	Punktum dk A/S (direct)
mathias-it.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

37ms

26ms

AAAA

45ms

TXT

408ms

CAA

29ms

HTTPS

47ms

TLSA

79ms

SOA

26ms

MTA-STS

52ms

DNSSEC

57ms

SRV

58ms

Total

610ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 10:11:12	1596ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-17 10:30:31 shown	610ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-04 09:58:58	499ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 04:54:44	774ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-28 04:40:54	750ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-25 03:42:37	590ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-24 23:40:39	681ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-23 22:21:57	672ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-21 21:36:47	1484ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-14 19:46:14	787ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-03 01:03:51	717ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-29 21:55:14	709ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-27 13:28:44	801ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-06 05:29:25	1000ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-19 05:12:32	842ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-16 16:05:58	839ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-14 02:10:39	1034ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-25 23:05:07	803ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-24 07:45:10	1723ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-19 10:01:19	1959ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-16 18:27:12	420ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-16 18:21:03	554ms	2 NS 1 A 0 MX	🔒 Secure