denblåhimmel.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by server1.cleanxpert.pl. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.103.100 | 600s | dnsforward.simply.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | server1.cleanxpert.pl | 79.187.71.202 | server1.cleanxpert.pl | AS5617 Orange Polska Spolka Akcyjna |
| 20 | 3600s | server1.cleanxpert.pl | 79.187.71.202 | server1.cleanxpert.pl | AS5617 Orange Polska Spolka Akcyjna |
| TXT Record |
|---|
| v=spf1 ip4:79.187.71.202 |
| Policy | Record (denblåhimmel.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 ip4:79.187.71.202 |
| Policy | Record (_dmarc.denblåhimmel.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=50; rua=mailto:webmaster@cleanxpert.dk; ruf=mailto:webmaster@cleanxpert.dk; fo=0; aspf=r; adkim=r |
| www | 94.231.103.100 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~4096 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: 0/10 · policy: none
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2020120401 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2020-11-19 |
| Expires | 2026-11-30 (33d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 22:47:09 | 399ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 14:30:29 | 721ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 00:52:35 | 827ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 21:40:04 | 794ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 04:22:49 | 1266ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 05:48:45 | 672ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 21:56:50 | 804ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 19:06:26 | 2957ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 18:26:31 | 846ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 02:37:35 | 1822ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 14:41:08 shown | 713ms | 4 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-17 01:45:06 | 513ms | 4 NS 1 A 2 MX | 🔒 Secure |