cleancore.dk

📜 Historical scan 2026-10-01 07:10:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cleancore.dk is a .dk domain served by 2 nameservers (ns01.danskinternet.dk, ns02.danskinternet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by cleancore-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#

2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.danskinternet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns02.danskinternet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cleancore-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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#

2 records 152ms

TXT Record
google-site-verification=uXGM7HvJebxAW--IpDZe3Cv5vm8GsKMx559YKt7v8LU
v=spf1 include:spf.danskinternet.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cleancore.dk)
-all (hard fail)	v=spf1 include:spf.danskinternet.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cleancore.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 11:30:31

www	162.159.135.42 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cleancore.dk: 162.159.135.42 (AS13335) www.cleancore.dk: 162.159.135.42 (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-cleancore-dk._domainkey.cmcdkcleancore.a-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-cleancore-dk._domainkey.cmcdkcleancore.a-v1.dkim.mail.microsoft	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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2026090202
Primary NS (MNAME)	ns01.danskinternet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

26ms

33ms

34ms

AAAA

36ms

TXT

152ms

CAA

25ms

HTTPS

50ms

TLSA

679ms

SOA

29ms

MTA-STS

83ms

DNSSEC

80ms

SRV

53ms

Total

1093ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:30:31	1101ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:10:31 shown	1093ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 21:53:15	1025ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 23:44:07	782ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 02:41:58	4042ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 19:42:05	1551ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 12:36:14	987ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 13:52:33	1193ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 11:41:15	2990ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:10:04	1844ms	2 NS 1 A 1 MX	🔒 Secure