4520.dk

📜 Historical scan 2026-10-02 13:40:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4520.dk is a .dk domain served by 2 nameservers (ns3.nordicway.dk, ns4.nordicway.dk). It was registered on 9 August 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 148.251.244.167 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by 4520.dk. The zone is not DNSSEC-signed, 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.nordicway.dk	2a01:4f8:c2c:d3c0::1 78.47.45.64	ns3.nordicway.dk ns3.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.nordicway.dk	2a01:4f8:c010:24a2::1 78.47.56.84	ns4.nordicway.dk ns4.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
148.251.244.167	3600s	cp06.nordicway.dk	AS24940	Hetzner Online GmbH	148.251.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	4520.dk	148.251.244.167	cp06.nordicway.dk	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 299ms

TXT Record
v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 +include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (4520.dk)
~all (soft fail)	v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 +include:relay.mailchannels.net ~all

📨 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 2026-10-16 01:19:52

www CNAME	4520.dk (all on 4520.dk) → 148.251.244.167 (AS24940)
www vs bare domain	Same network 4520.dk: 148.251.244.167 (AS24940) www.4520.dk: 148.251.244.167 (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: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.4520.dk	V1yV20tCmQPgRe8dGjbUCUG8aBebJapWi3q3EbwoFlM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2026081501
Primary NS (MNAME)	ns3.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 01:43:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-08-09
Expires	2027-08-31 (317d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

55ms

48ms

42ms

AAAA

48ms

TXT

299ms

CAA

43ms

HTTPS

48ms

TLSA

65ms

SOA

60ms

MTA-STS

91ms

DNSSEC

70ms

SRV

82ms

Total

545ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 01:19:52	563ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-02 13:40:22 shown	545ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 01:12:07	717ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-17 00:53:47	919ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:38:52	2587ms	2 NS 1 A 1 MX	🔓 Insecure