nik.dk

📜 Historical scan 2026-09-24 21:11:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nik.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 5 January 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.205.112.13 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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
172.205.112.13	3600s	—	AS8075	Microsoft Corporation	172.200.0.0/13	🇮🇪 Ireland	Dublin

📧 MX Records#

5 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.1.27 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a	lb-in-f27.1e100.net lr-in-x1a.1e100.net lr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.205.112.13
🔶 Autoconfig	172.205.112.13

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 142ms

TXT Record
google-site-verification=sY4CzX1XI_ylmw-gzjxlwqhmGx-nsXadRvZNRcBpr4k
MS=9DB3C9781D20D4B363A4FD5D42B7BF65245599F0
v=spf1 mx include:_spf.google.com include:spf.curanet.dk include:servers.mcsv.net ~all

✉️ SPF#

Policy	Record (nik.dk)
~all (soft fail)	v=spf1 mx include:_spf.google.com include:spf.curanet.dk include:servers.mcsv.net ~all

📨 DMARC#

Policy	Record (_dmarc.nik.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:abuse@nik.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 2026-10-07 17:15:42

www	172.205.112.13 (AS8075) (address records, no CNAME)
www vs bare domain	Same network nik.dk: 172.205.112.13 (AS8075) www.nik.dk: 172.205.112.13 (AS8075)
Wildcard	Yes: any name under the zone resolves
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
google	—	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: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026082601
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 13:55:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-01-05
Expires	2028-03-31 (530d)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

33ms

27ms

AAAA

28ms

TXT

142ms

CAA

37ms

HTTPS

40ms

TLSA

64ms

SOA

0ms

MTA-STS

59ms

DNSSEC

63ms

SRV

59ms

Total

580ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:15:42	2591ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-03 14:08:43	543ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-24 21:11:40 shown	580ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-22 09:37:06	638ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-27 00:35:55	789ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-26 21:54:55	723ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-24 09:09:27	738ms	2 NS 1 A 5 MX	⚠️ Bogus
2026-06-22 07:28:50	1105ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:51:34	1090ms	2 NS 1 A 5 MX	🔒 Secure