duns.dk

📜 Historical scan 2026-06-21 07:06:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duns.dk is a .dk domain served by 7 nameservers (blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org and 4 more). It was registered on 28 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by custmx.cscdns.net. The zone is not DNSSEC-signed, has no 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#

7 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
blue.foundationdns.com	108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801	blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.net	108.162.198.31 162.159.60.31 172.64.40.31 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1f 2a06:98c1:56::ac40:281f	blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.org	108.162.198.61 162.159.60.61 172.64.40.61 2606:4700:57::6ca2:c63d 2803:f800:52::a29f:3c3d 2a06:98c1:56::ac40:283d	blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dns1.p01.nsone.net	198.51.44.1 2620:4d:4000:6259:7:1:0:1	dns1.p01.nsone.net dns1.p01.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns2.p01.nsone.net	198.51.45.1 2a00:edc0:6259:7:1::2	dns2.p01.nsone.net dns2.p01.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns3.p01.nsone.net	198.51.44.65 2620:4d:4000:6259:7:1:0:3	dns3.p01.nsone.net dns3.p01.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns4.p01.nsone.net	198.51.45.65 2a00:edc0:6259:7:1::4	dns4.p01.nsone.net dns4.p01.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	custmx.cscdns.net	198.58.121.58	198-58-121-58.ip.linodeusercontent.com	AS63949 Akamai Connected Cloud

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

latest probe, not this scan · checked 2026-10-16 18:33:52

www	NXDOMAIN
www vs bare domain	Neither resolves duns.dk: no address www.duns.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

160ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

36ms

Field	Value
Serial	2405940999
Primary NS (MNAME)	blue.foundationdns.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 07:19:38

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1997-02-28
Expires	2027-03-31 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

120ms

39ms

AAAA

38ms

TXT

278ms

CAA

31ms

HTTPS

37ms

TLSA

49ms

SOA

36ms

MTA-STS

94ms

DNSSEC

160ms

SRV

113ms

Total

565ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:26:08	624ms	7 NS 0 A 1 MX	🔓 Insecure
2026-09-28 15:49:34	886ms	7 NS 0 A 1 MX	🔓 Insecure
2026-09-27 15:43:22	657ms	7 NS 0 A 1 MX	🔓 Insecure
2026-09-25 15:23:54	714ms	7 NS 0 A 1 MX	🔓 Insecure
2026-09-24 15:19:43	602ms	7 NS 0 A 1 MX	🔓 Insecure
2026-09-15 17:30:21	1608ms	7 NS 0 A 1 MX	🔓 Insecure
2026-08-04 03:37:47	2158ms	7 NS 0 A 1 MX	🔓 Insecure
2026-07-14 04:27:48	1335ms	7 NS 0 A 1 MX	🔓 Insecure
2026-06-21 07:06:31 shown	565ms	7 NS 0 A 1 MX	🔓 Insecure
2026-06-17 05:16:40	15536ms	7 NS 0 A 1 MX	🔓 Insecure
2026-06-17 05:08:17	1298ms	7 NS 0 A 1 MX	🔓 Insecure
2026-06-17 05:04:20	456ms	7 NS 0 A 1 MX	🔓 Insecure
2026-06-17 05:01:19	563ms	7 NS 0 A 1 MX	🔓 Insecure