nielskoch.dk

Records from scan: 2026-10-22 23:49:33 · 541ms total · last checked 2026-10-25 09:50 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nielskoch.dk is a .dk domain served by 2 nameservers (ns1.oneoffice.dk, ns2.oneoffice.dk). It was registered on 22 October 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by nielskoch-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.oneoffice.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
ns2.oneoffice.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#

🌍

No A records found

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nielskoch-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 2a01:111:f403:ca09::a 2a01:111:f403:ca48::8 52.101.103.143 52.101.68.27 52.101.68.39 52.101.68.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 95ms

TXT Record
MS=ms63632463
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.nielskoch.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+j5vwlylnvv7@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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#

checked 2026-10-22 23:49:33

www	89.233.41.143 (AS3308) (address records, no CNAME)
www vs bare domain	Only www resolves nielskoch.dk: no address www.nielskoch.dk: 89.233.41.143 (AS3308) (all like this)
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#

1 found

Selector	CNAME	Key
selector2	selector2-nielskoch-dk._domainkey.nielskoch.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

26ms

Field	Value
Serial	2024062401
Primary NS (MNAME)	ns1.oneoffice.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-24 20:48:17

Field	Value
Registrar	CURANET A/S
Registered	2003-10-22
Expires	2026-10-31 (3d)

🔗 Same registrant#

1 domain

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
kennelstjernborg.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

29ms

28ms

AAAA

30ms

TXT

95ms

CAA

20ms

HTTPS

22ms

TLSA

57ms

SOA

26ms

MTA-STS

40ms

DNSSEC

104ms

SRV

33ms

Total

541ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 23:49:33 shown	541ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-16 21:22:48	872ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-09 05:29:13	1053ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-28 10:18:33	1160ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-26 10:16:21	1273ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 06:55:04	2533ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-19 10:27:56	785ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-18 01:00:17	4073ms	2 NS 0 A 1 MX	🔒 Secure