ironcore.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 23 March 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 64.28.8.35 is hosted by Globalconnect As (AS2116) in Norway. Mail is handled by mail03.portsit.se. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 64.28.8.35 | 60s | ww01.online4u.no | AS2116 | Globalconnect As | 64.28.0.0/19 | 🇳🇴 Norway | Oslo |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail03.portsit.se | 193.14.90.173 | mail03.portsit.se | AS1257 Tele2 SWIPnet |
| TXT Record |
|---|
| Proteinfabrikken AS |
| v=spf1 -all |
| Policy | Record (ironcore.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | 64.28.8.35 (AS2116) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025111700 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 10800s |
| Retry | 5400s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2010-03-23 |
| Expires | 2027-03-31 (165d) |
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).
| Domain | Registrar |
|---|---|
| betterperformance.dk | Abion AB |
| proteinfabrikken.dk | Abion AB |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:26:05 shown | 919ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 16:39:18 | 3924ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 10:32:50 | 2705ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 17:11:17 | 737ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 13:23:31 | 1168ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:29:14 | 1969ms | 2 NS 1 A 1 MX | 🔓 Insecure |