core-network.dk

📜 Historical scan 2026-08-26 17:18:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

core-network.dk is a .dk domain served by 5 nameservers (ns1.he.net, ns2.he.net, ns3.he.net and 2 more). It was registered on 27 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.208.56.227 is hosted by FIBIA P/S (AS44869) in Denmark. 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#

5 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.he.net	2001:470:100::2 216.218.130.2	ns1.he.net ns1.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns2.he.net	2001:470:200::2 216.218.131.2	ns2.he.net ns2.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns3.he.net	2001:470:300::2 216.218.132.2	ns3.he.net ns3.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns4.he.net	2001:470:400::2 216.66.1.2	ns4.he.net ns4.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns5.he.net	2001:470:500::2 216.66.80.18	ns5.he.net ns5.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.208.56.227	3600s	80.208.56.227.static.fibianet.dk	AS44869	FIBIA P/S	80.208.0.0/17	🇩🇰 Denmark	Silkeborg

📧 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#

1 records 289ms

TXT Record
OWN-REDEL-5a219f2a9f38f29f966527ac9d15895a

✉️ 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 2026-10-08 00:46:52

www	NXDOMAIN
www vs bare domain	www does not resolve core-network.dk: 80.208.56.227 (AS44869) www.core-network.dk: no address (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2022041400
Primary NS (MNAME)	ns1.he.net
Responsible (RNAME)	hostmaster@he.net
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration#

WHOIS fetched 2026-10-14 02:45:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-03-27
Expires	2027-03-26 (158d)

🔗 Same registrant#

1 domain

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
ingerslevnet.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

59ms

56ms

AAAA

68ms

TXT

289ms

CAA

55ms

HTTPS

68ms

TLSA

61ms

SOA

0ms

MTA-STS

103ms

DNSSEC

106ms

SRV

91ms

Total

621ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 22:34:07	652ms	5 NS 1 A 0 MX	🔓 Insecure
2026-09-30 19:49:33	791ms	5 NS 1 A 0 MX	🔓 Insecure
2026-09-30 06:39:33	576ms	5 NS 1 A 0 MX	🔓 Insecure
2026-09-24 10:46:29	504ms	5 NS 1 A 0 MX	🔓 Insecure
2026-09-01 14:48:22	1099ms	5 NS 1 A 0 MX	🔓 Insecure
2026-08-27 20:02:35	671ms	5 NS 1 A 0 MX	🔓 Insecure
2026-08-26 17:18:46 shown	621ms	5 NS 1 A 0 MX	🔓 Insecure
2026-06-29 17:53:00	848ms	5 NS 1 A 0 MX	🔓 Insecure
2026-06-27 22:27:04	1238ms	5 NS 1 A 0 MX	🔓 Insecure
2026-06-22 06:52:00	928ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 22:26:55	519ms	5 NS 1 A 0 MX	🔓 Insecure