redbarnet-infrastruktur.dk is a .dk domain served by 2 nameservers (betty.ns.cloudflare.com, simon.ns.cloudflare.com). It was registered on 3 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by redbarnetinfrastruktur-dk02c.j-v1.mx.microsoft. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| TXT Record |
|---|
| bw=y7LjUrzp7MEUMAmHQG9u8QkXSp99mYXbTptvH7GWYklG |
| MS=ms48725028 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (redbarnet-infrastruktur.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.redbarnet-infrastruktur.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:dmarcreports-rua@redbarnet.dk; ruf=mailto:dmarcreports-ruf@redbarnet.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tls-report@redbarnet-infrastruktur.dk |
| www | Exists, no address |
| www vs bare domain | Neither resolves redbarnet-infrastruktur.dk: no address www.redbarnet-infrastruktur.dk: no address |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.redbarnetinfrastruktur-dk02c.j-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| SMTP _25._tcp.redbarnetinfrastruktur-dk02c.j-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| SMTP _25._tcp.redbarnetinfrastruktur-dk02c.j-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| SMTP _25._tcp.redbarnetinfrastruktur-dk02c.j-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | CFD68BDE4129C00A2402C21C0916EDF0… |
| SMTP _25._tcp.redbarnetinfrastruktur-dk02c.j-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2418163139 |
| Primary NS (MNAME) | betty.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-10-03 |
| Expires | 2027-10-02 (339d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 19:41:17 shown | 636ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-08 04:45:15 | 1119ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-06 01:33:08 | 810ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-02 00:54:23 | 927ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 00:44:26 | 624ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-29 05:57:59 | 827ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-26 04:48:46 | 1038ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 18:13:33 | 871ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-09 14:40:47 | 2593ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-04 22:34:44 | 752ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-12 16:43:29 | 1542ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-11 03:18:34 | 1449ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-26 18:56:01 | 1928ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-19 12:27:48 | 1505ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-26 10:14:56 | 1057ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 23:59:13 | 1042ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 15:29:10 | 1121ms | 2 NS 0 A 1 MX | 🔒 Secure |