coreone.dk

📜 Historical scan 2026-06-27 11:26:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coreone.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 2 December 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.230.63.107 is hosted by Wix.com Ltd. (AS58182) in United States. Mail is handled by coreone-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 250ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 209ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.230.63.107	3600s	unalocated.63.wixsite.com	AS58182	Wix.com Ltd.	185.230.62.0/23	🇺🇸 United States	Ashburn

📧 MX Records#

1 records 229ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coreone-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 52.101.68.36 52.101.73.11 52.101.73.153 52.101.73.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 396ms

TXT Record
google-site-verification=m3u1jhF1Py9IUNfOCnAbJs2quMYgCRz9seAlFAxTBxo
google-site-verification=wmToIBxlUds2cfelwT06dO-EHk3BtqiyYr8IO_C33aI
v=spf1 include:spf.protection.outlook.com include:spf.spamfilter.io -all

✉️ SPF#

Policy	Record (coreone.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.spamfilter.io -all

📨 DMARC#

Policy	Record (_dmarc.coreone.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 22:15:42

www CNAME	www51.wixdns.net (all on wixdns.net) → 34.149.87.45 (AS396982)
www vs bare domain	Different networks coreone.dk: 185.230.63.107 (AS58182) www.coreone.dk: 34.149.87.45 (AS396982) (all like this)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

378ms

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

🏷️ SOA#

246ms

Field	Value
Serial	2026032400
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 00:11:38

Field	Value
Registrar	CURANET A/S
Registered	2008-12-02
Expires	2026-12-31 (66d)

🔗 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
core1.dk	CURANET A/S
marato.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

250ms

209ms

229ms

AAAA

253ms

TXT

396ms

CAA

211ms

HTTPS

248ms

TLSA

321ms

SOA

246ms

MTA-STS

279ms

DNSSEC

378ms

SRV

265ms

Total

1925ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 22:15:42	957ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 08:09:16	737ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 10:13:50	2326ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:35:00	800ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 11:26:18 shown	1925ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:25:50	854ms	4 NS 1 A 1 MX	🔒 Secure