assensskoler.dk

📜 Historical scan 2026-07-18 15:14:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

assensskoler.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 December 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by assensskoler-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 204ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	assensskoler-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.36 52.101.73.11 52.101.73.30	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.40
🔶 Autoconfig	assensskoler.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 271ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

12 records 379ms

TXT Record
_fa8667w4pjjbejlyu97qm7iw2ge6hai
_globalsign-domain-verification=PScYWmCLlsN5EAyBydAVpak95xu0yRHR2PQrBdMump
_l8ut7etqbi4nsmygl7qf8f900tfsuhq
_oa23qwq6c4730p9yldfbsungm5j8685
_w1xkrtwhh3ogcn5mltoz0sz3rymfhwy
_zjx4md4rgif4hquwwpag4zlcke0x34y
8jjkw97hhvzbkmtd56bq2y60hq6rv756
apple-domain-verification=I3mk7toJaywXpHYr
apple-domain-verification=ZfnKHpuwDQfRDuxP
google-site-verification=Oh-BJOREQYa0yXZUFaapyNFFzK_OM_B0i7UGLw9Ht-w
jww7x745fb0t8dr4zxdxgqrljk4bsp86
v=spf1 include:spf.protection.outlook.com a:outbound.centerasecurity.dk include:spf.truelink.dk -all

✉️ SPF#

Policy	Record (assensskoler.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:outbound.centerasecurity.dk include:spf.truelink.dk -all

📨 DMARC#

Policy	Record (_dmarc.assensskoler.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rq0fbwg1@ag.eu.dmarcadvisor.com;

📬 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 2026-10-12 04:01:45

www CNAME	assensskoler.dk (all on assensskoler.dk)
www vs bare domain	Neither resolves assensskoler.dk: no address www.assensskoler.dk: no address
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-assensskoler-dk._domainkey.assensskoler.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: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.assensskoler.dk	assensskoler.dk
TXT	assensskoler.dk	8jjkw97hhvzbkmtd56bq2y60hq6rv756
TXT	assensskoler.dk	apple-domain-verification=I3mk7toJaywXpHYr
TXT	assensskoler.dk	apple-domain-verification=ZfnKHpuwDQfRDuxP
TXT	assensskoler.dk	_fa8667w4pjjbejlyu97qm7iw2ge6hai
TXT	assensskoler.dk	jww7x745fb0t8dr4zxdxgqrljk4bsp86
TXT	assensskoler.dk	_l8ut7etqbi4nsmygl7qf8f900tfsuhq
TXT	assensskoler.dk	_oa23qwq6c4730p9yldfbsungm5j8685
TXT	assensskoler.dk	_w1xkrtwhh3ogcn5mltoz0sz3rymfhwy
TXT	assensskoler.dk	_zjx4md4rgif4hquwwpag4zlcke0x34y

🔗 TLSA / DANE#

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

🔐 DNSSEC#

302ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026071701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-11 01:13:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-12-05
Expires	2026-12-31 (65d)

📋 WHOIS#

⏱️ Lookup Timing#

204ms

172ms

92ms

AAAA

169ms

TXT

379ms

CAA

176ms

HTTPS

150ms

TLSA

1107ms

SOA

0ms

MTA-STS

224ms

DNSSEC

302ms

SRV

271ms

Total

2575ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 04:01:45	1622ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-12 20:59:39	1769ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-13 14:28:57	1227ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-18 15:14:10 shown	2575ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-12 12:06:50	1017ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-07 19:10:40	4811ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 18:04:36	2380ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 13:55:55	2294ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 13:46:17	745ms	2 NS 0 A 1 MX	🔒 Secure