nco.dk

Records from scan: 2026-09-22 20:04:57 · 624ms total · last checked 2026-10-22 01:32 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nco.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 19 September 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.173 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.173	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.105	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:30ad	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:bb69	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.173,172.67.187.105 ech=AEX+DQBB9AAgACCdLJNFZ7gR3K/nqwP+AFgZt4NXQo7yI0f7NzeS6Hq2TgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:30ad,2606:4700:3031::ac43:bb69

📝 TXT Records#

1 records 164ms

TXT Record
v=spf1 mx a include:_spf.business-solution.dk -all

✉️ SPF#

Policy	Record (nco.dk)
-all (hard fail)	v=spf1 mx a include:_spf.business-solution.dk -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-15 05:02:18

www	104.21.48.173 172.67.187.105 2606:4700:3031::6815:30ad 2606:4700:3031::ac43:bb69 (AS13335) (address records, no CNAME)
www vs bare domain	Same network nco.dk: 104.21.48.173 172.67.187.105 2606:4700:3031::6815:30ad 2606:4700:3031::ac43:bb69 (AS13335) www.nco.dk: 104.21.48.173 172.67.187.105 2606:4700:3031::6815:30ad 2606:4700:3031::ac43:bb69 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415204142
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 15:57:02

Field	Value
Registrar	Simply.com A/S
Registered	2001-09-19
Expires	2027-09-30 (343d)

🔗 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
ncogruppen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

40ms

AAAA

31ms

TXT

164ms

CAA

40ms

HTTPS

41ms

TLSA

51ms

SOA

0ms

MTA-STS

61ms

DNSSEC

116ms

SRV

60ms

Total

624ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-22 20:04:57 shown	624ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 17:31:15	735ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 04:33:24	483ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-31 09:33:01	468ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-19 12:15:21	9915ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-03 10:38:31	1381ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 12:05:41	2103ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 15:27:48	520ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 14:17:42	1484ms	2 NS 2 A 0 MX	🔓 Insecure