skipperclementskolen.dk

📜 Historical scan 2026-06-22 00:45:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skipperclementskolen.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 14 October 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.120 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by skipperclementskolen-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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.120	30s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.150.213	30s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	30s	skipperclementskolen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 52.101.68.39 52.101.73.24 52.101.73.30 52.101.73.6	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 52.98.149.136
🔶 Autoconfig	104.21.56.120

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::9	30s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::9	30s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.120,172.67.150.213 ech=AEX+DQBBtQAgACADQzR+USHgYlLFSCBkYhDs4cltjaEhhSfnDDVK9WLSHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:96d5,2606:4700:3034::6815:3878

🔌 SRV Records#

1 records 96ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 227ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.skipperclementskolen.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:14dd2e5ff2344d878007b075135215e2@dmarc-reports.cloudflare.net,mailto:dmarc@skipperclementskolen.dk

📬 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 2026-10-26 02:42:13

www	104.21.56.120 172.67.150.213 2606:4700:3031::6815:3878 2606:4700:3031::ac43:96d5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network skipperclementskolen.dk: 104.21.56.120 172.67.150.213 2606:4700:3031::6815:3878 2606:4700:3031::ac43:96d5 (AS13335) www.skipperclementskolen.dk: 104.21.56.120 172.67.150.213 2606:4700:3031::6815:3878 2606:4700:3031::ac43:96d5 (AS13335)
Wildcard	Yes: any name under the zone resolves
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
selector1	selector1-skipperclementskolen-dk._domainkey.skipperclementskolen.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-skipperclementskolen-dk._domainkey.skipperclementskolen.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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

🏷️ SOA#

16ms

Field	Value
Serial	2406671404
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-26 03:07:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-10-14
Expires	2027-10-13 (350d)

🔗 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
aalborginternationalschool.dk	Simply.com A/S
skipper-clement-skolen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

27ms

30ms

AAAA

30ms

TXT

227ms

CAA

22ms

HTTPS

26ms

TLSA

66ms

SOA

16ms

MTA-STS

25ms

DNSSEC

60ms

SRV

96ms

Total

640ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-26 02:42:13	593ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-21 03:25:22	1414ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-10 08:11:52	2261ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-06 04:54:16	2435ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 00:55:09	926ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-20 22:59:57	1431ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-18 20:59:32	1799ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 12:01:06	1361ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 23:18:50	1540ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 23:43:07	2533ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-08 19:41:15	2233ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-05 09:53:34	1751ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-06 22:57:25	11621ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-02 18:47:32	1244ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-27 07:58:06	1275ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 05:32:45	5238ms	2 NS 2 A 1 MX	⚠️ Bogus
2026-06-23 11:34:08	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 00:45:01 shown	640ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 23:05:24	801ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 19:18:14	3567ms	2 NS 2 A 1 MX	⚠️ Bogus
2026-06-18 05:56:29	1184ms	2 NS 2 A 1 MX	🔒 Secure