naersikring.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 3 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.249.199 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.95.249.199 | 3600s | dw-d064.dw-mgmt.lan | AS48854 | team.blue Denmark A/S | 81.95.240.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 80.63.86.231 |
| 🔶 Autoconfig | 81.95.249.199 |
| TXT Record |
|---|
| MS=ms42852105 |
| v=spf1 ip4:80.63.86.231 ip4:80.63.86.234 ip4:80.63.86.235 ip4:212.130.176.123 ip4:212.130.176.124 ip4:195.41.9.115 ip4:77.233.255.49 ip4:2.109.39.2 include:spf.protection.outlook.com include:spf.comendosystems.com include:_spf.centerasecurity.dk -all |
| Policy | Record (naersikring.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.63.86.231 ip4:80.63.86.234 ip4:80.63.86.235 ip4:212.130.176.123 ip4:212.130.176.124 ip4:195.41.9.115 ip4:77.233.255.49 ip4:2.109.39.2 include:spf.protection.outlook.com include:spf.comendosystems.com include:_spf.centerasecurity.dk -all |
| www CNAME | naersikring.dk (all on naersikring.dk) → 81.95.249.199 (AS48854) |
| www vs bare domain | Same network |
| 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 |
DNS lookups: 5/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026021301 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 1999-09-03 |
| Expires | 2027-09-30 (342d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-26 11:41:22 | 829ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 15:45:28 shown | 3006ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 06:00:56 | 968ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 21:05:14 | 885ms | 2 NS 1 A 3 MX | 🔒 Secure |