dmkskoler.dk

📜 Historical scan 2026-08-07 04:59:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dmkskoler.dk is a .dk domain served by 2 nameservers (luke.ns.cloudflare.com, rosalyn.ns.cloudflare.com). It was registered on 6 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.198 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dmkskoler-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosalyn.ns.cloudflare.com	108.162.194.59 162.159.38.59 172.64.34.59 2606:4700:50::a29f:263b 2803:f800:50::6ca2:c23b 2a06:98c1:50::ac40:223b	rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.198	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.81	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	dmkskoler-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca09::8 2a01:111:f403:ca09::e 52.101.68.25 52.101.73.15 52.101.73.4 52.101.73.8	mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)#

2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:dc6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:9d51	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 63ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.198,172.67.157.81 ech=AEX+DQBBPgAgACAKjz/NmAuq8kxgNWMABII+psUTfnznJEJe6j2A6htFHAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:dc6,2606:4700:3034::ac43:9d51

📝 TXT Records#

1 records 210ms

TXT Record
v=spf1 include:spf.dandomain.dk include:spf.cpanel.greait.cloud include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dmkskoler.dk)
-all (hard fail)	v=spf1 include:spf.dandomain.dk include:spf.cpanel.greait.cloud include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.dmkskoler.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:f5287f63dd944dc19162f9a3b2b82095@dmarc-reports.cloudflare.net

📬 MTA-STS#

290ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	1737102036589
max_age	604800s
Policy MX	*.mail.protection.outlook.com, cpanel.greait.cloud

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:63da161ea0e7f@tls.eu.dmarcly.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 23:12:53

www	104.21.13.198 172.67.157.81 2606:4700:3033::6815:dc6 2606:4700:3034::ac43:9d51 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dmkskoler.dk: 104.21.13.198 172.67.157.81 2606:4700:3033::6815:dc6 2606:4700:3034::ac43:9d51 (AS13335) www.dmkskoler.dk: 104.21.13.198 172.67.157.81 2606:4700:3033::6815:dc6 2606:4700:3034::ac43:9d51 (AS13335)
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
selector1	selector1-dmkskoler-dk._domainkey.danskemusikogkulturskolerdk.onmicrosoft.com	RSA · ~1024 bit below 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: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.dmkskoler.dk	59jkRq7FPN_DVQAv65NHc-1scATKs7aIbHBdRrtQyhY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

221ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411227904
Primary NS (MNAME)	luke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 23:38:54

Field	Value
Registrar	Greait
Registered	2020-01-06
Expires	2027-01-31 (102d)

📋 WHOIS#

⏱️ Lookup Timing#

61ms

71ms

AAAA

61ms

TXT

210ms

CAA

61ms

HTTPS

63ms

TLSA

265ms

SOA

0ms

MTA-STS

290ms

DNSSEC

221ms

SRV

271ms

Total

1796ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 23:12:53	4151ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 13:23:10	1434ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 13:21:44	1216ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 13:19:48	1445ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 15:24:30	1291ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 14:32:35	1825ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-18 02:01:40	2332ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-29 23:40:39	1137ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 20:08:16	2244ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-24 16:56:36	17317ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 16:19:21	2624ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 04:59:54 shown	1796ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-29 14:25:52	1872ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-05 00:30:09	2086ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 03:55:13	680ms	2 NS 2 A 1 MX	🔒 Secure