nielsen-nielsen.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.188 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. Mail is handled by nielsennielsen-dk01i.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.92.65.188 | 3600s | 80-92-65-188.ip.dclux.com | AS24611 | Datacenter Luxembourg S.A. | 80.92.64.0/19 | 🇱🇺 Luxembourg | Luxembourg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.micro-matic.dk |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 1NMPQMDKBpo2nfWBLqDQwhJVHQleMuV3CnIF/OaldzsP+sypFQJemGz2twL4H8Rn2hOcb/wvCp1y1+kakzk74w== |
| knowbe4-site-verification=926825b4d5c0d32ebf2ef41bfe2fadd1 |
| MS=ms95918020 |
| v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net include:spf.eu.signature365.net include:_spf.signicat.cloud include:spf.curanet.dk ip4:194.239.77.137 ip4:91.215.163.75 ip4:91.215.163.70 ip4:51.138.20.240 ip4:91.215.163.77 ip4:2.109.89.39 ip4:2.109.89.36 -all |
| Policy | Record (nielsen-nielsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net include:spf.eu.signature365.net include:_spf.signicat.cloud include:spf.curanet.dk ip4:194.239.77.137 ip4:91.215.163.75 ip4:91.215.163.70 ip4:51.138.20.240 ip4:91.215.163.77 ip4:2.109.89.39 ip4:2.109.89.36 -all |
| Policy | Record (_dmarc.nielsen-nielsen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:d8def0d53873757@rep.dmarcanalyzer.com; ruf=mailto:d8def0d53873757@for.dmarcanalyzer.com; fo=1; |
| www | 80.92.65.188 (AS24611) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-nielsennielsen-dk01i._domainkey.nielsenognielsen.w-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-nielsennielsen-dk01i._domainkey.nielsenognielsen.w-v1.dkim.mail.microsoft | 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.
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026032700 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 23:07:19 shown | 1144ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 07:06:15 | 1264ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 13:40:24 | 1652ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 13:38:00 | 1489ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 10:33:42 | 950ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 08:35:27 | 1186ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:19:08 | 1084ms | 4 NS 1 A 1 MX | 🔓 Insecure |