b42.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 5 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.108.19 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by b42-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 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 |
|---|---|---|---|---|---|---|---|
| 94.231.108.19 | 600s | web15.curanet.dk | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | b42.dw9.dynamicweb-cms.com → 81.95.242.90 |
| TXT Record |
|---|
| apple-domain-verification=Nv9ls1HYJ7aEpOgp |
| Foxit-domain-verification=f721141392ceab8cbbd88c977d37e519 |
| MS=6FD2BC69B89E3D4B8D96CEF1485529851C38FE49 |
| MS=ms82840098 |
| v=spf1 ip4:188.228.103.124 ip4:94.137.133.145 include:spf.lmmail.dk include:spf.curanet.dk include:spf.protection.outlook.com -all |
| Policy | Record (b42.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:188.228.103.124 ip4:94.137.133.145 include:spf.lmmail.dk include:spf.curanet.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.b42.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 94.231.108.19 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-b42-dk._domainkey.boligforeningenb42dk.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.
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026070601 |
| 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 | 1998-02-05 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 18:30:41 shown | 890ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 03:52:42 | 1352ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 20:24:00 | 1643ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 00:00:32 | 678ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 06:19:08 | 1840ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 12:02:38 | 1994ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 01:43:56 | 938ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 19:50:59 | 1269ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:57:22 | 903ms | 4 NS 1 A 1 MX | 🔒 Secure |