ndrsn.dk

📜 Historical scan 2026-06-17 22:38:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ndrsn.dk is a .dk domain served by 2 nameservers (imani.ns.cloudflare.com, jay.ns.cloudflare.com). It was registered on 21 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.131.14 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by ndrsn-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 154ms

Nameserver	IP addresses	PTR	ASN / ISP
imani.ns.cloudflare.com	108.162.194.62 162.159.38.62 172.64.34.62 2606:4700:50::a29f:263e 2803:f800:50::6ca2:c23e 2a06:98c1:50::ac40:223e	imani.ns.cloudflare.com imani.ns.cloudflare.com imani.ns.cloudflare.com imani.ns.cloudflare.com imani.ns.cloudflare.com imani.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 133ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.150.131.14	—	x5996830e.customers.hiper-net.dk	AS203953	Hiper A/S	89.150.128.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 133ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	ndrsn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 52.101.68.27 52.101.68.39 52.101.73.11 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 387ms

TXT Record
MS=ms18569724
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ndrsn.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6d05104c874b404a93d2874beefd89fb@dmarc-reports.cloudflare.net

📬 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 2026-10-10 12:27:43

www CNAME	ndrsn.dk (all on ndrsn.dk) → 89.150.131.14 (AS203953)
www vs bare domain	Same network ndrsn.dk: 89.150.131.14 (AS203953) www.ndrsn.dk: 89.150.131.14 (AS203953)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ndrsn-dk._domainkey.ndrsn.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

289ms

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

🏷️ SOA#

131ms

Field	Value
Serial	2406737758
Primary NS (MNAME)	imani.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 11:50:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-03-21
Expires	2027-03-31 (163d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

154ms

133ms

AAAA

132ms

TXT

387ms

CAA

133ms

HTTPS

131ms

TLSA

178ms

SOA

131ms

MTA-STS

39ms

DNSSEC

289ms

SRV

249ms

Total

1856ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 12:27:43	1043ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 08:33:59	1522ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 08:30:44	2251ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 01:48:18	737ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 23:21:17	2026ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 22:43:28	944ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:58:10	1060ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 18:31:05	4216ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 21:51:02	3450ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 18:50:45	1632ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 16:21:06	9347ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 04:19:20	6660ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 15:39:21	1945ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-02 10:28:49	1622ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-28 15:10:49	11129ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 09:36:46	2474ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 05:35:33	1659ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 14:57:47	2335ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 13:00:24	9508ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-06 14:16:45	6615ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 22:09:58	1415ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 14:39:58	8547ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 11:10:36	1139ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 22:38:22 shown	1856ms	2 NS 1 A 1 MX	🔒 Secure