blueservice.dk is a .dk domain served by 2 nameservers (hattie.ns.cloudflare.com, henrik.ns.cloudflare.com). It was registered on 15 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.spamfri.dk, mx2.spamfri.dk and 1 more. The zone is DNSSEC-signed but currently fails validation, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| hattie.ns.cloudflare.com | — | — | — |
| henrik.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.33.186.86 | — | 77.33.186.86.dhcp.fibianet.dk | AS44869 | — | — | — | Fuglebjerg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.spamfri.dk | 195.242.131.16 | mx1.spamfri.dk | AS62121 Christian Ebsen ApS |
| 20 | — | mx2.spamfri.dk | 193.200.91.109 | mx2.spamfri.dk | AS62121 Christian Ebsen ApS |
| 30 | — | mx3.spamfri.dk | 62.69.152.43 62.69.152.43 |
43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk |
AS47527 DLX A/S AS47527 DLX A/S |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:193.200.90.178 include:_spf.e-studio.dk ~all |
| Policy | Record (blueservice.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:193.200.90.178 include:_spf.e-studio.dk ~all |
| Policy | Record (_dmarc.blueservice.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@blueservice.dk; ruf=mailto:dmarc@blueservice.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www CNAME | blueservice.dk (all on blueservice.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.spamfri.dk | DANE-EE · SPKI · SHA-256 | 884451547A03D0AC2F628D943839BAA6… |
| SMTP _25._tcp.mx2.spamfri.dk | DANE-EE · SPKI · SHA-256 | 6598C93F79B95376BB8099E9AC862167… |
| SMTP _25._tcp.mx3.spamfri.dk | DANE-EE · SPKI · SHA-256 | BBFB0694919290E5BC9D6E2C6F47D846… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'blueservice.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2407028209 |
| Primary NS (MNAME) | hattie.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 | 2013-05-15 |
| Expires | 2031-05-31 (1686d) |
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 |
|---|---|---|---|
| 2026-10-14 18:49:52 | 2040ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 02:50:08 | 1115ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-21 02:07:08 | 1569ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 15:01:37 | 1959ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-31 06:20:25 | 4075ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 18:30:57 | 841ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-04 03:30:57 | 1700ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-27 20:58:34 | 2032ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 06:12:50 | 1404ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-28 11:43:46 | 1030ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 11:18:24 | 1274ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 15:12:44 | 2623ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 15:10:38 | 2671ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 15:00:23 shown | 632ms | 2 NS 1 A 3 MX | ⚠️ Bogus |
| 2026-06-16 15:00:17 | 864ms | 2 NS 1 A 3 MX | 🔓 Insecure |