hiro-microdatacenters.dk is a .dk domain served by 3 nameservers (ns1.xel.nl, ns2.xel.nl, ns3.xel.nl). It was registered on 12 June 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.154.226.35 is hosted by BIT BV (AS12859) in The Netherlands. Mail is handled by mx1.xel.nl, mx11.xel.nl and 2 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|
| ns1.xel.nl | 2001:7b8:620:1::d59a:e20a 213.154.226.10 |
— — |
AS12859 BIT BV AS12859 BIT BV |
| ns2.xel.nl | 2001:7b8:620:1::d59a:e214 213.154.226.20 |
— — |
AS12859 BIT BV AS12859 BIT BV |
| ns3.xel.nl | 2a01:4f8:190:610e::2 | — | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.154.226.35 | 1200s | 35.0-24.226.154.213.in-addr.arpa | AS12859 | BIT BV | 213.154.224.0/19 | 🇳🇱 The Netherlands | Arnhem |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 213.154.226.35 |
| 🔶 Autoconfig | 213.154.226.35 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:7b8:620:1::d59a:e223 | 1200s | — | AS12859 | BIT BV | 2001:7b8:0:0:0:0:0:0/31 | 🇳🇱 The Netherlands | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 5 | 443 | www.xel.nl |
| TXT Record |
|---|
| v=spf1 a mx -all |
| Policy | Record (hiro-microdatacenters.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx -all |
| Policy | Record (_dmarc.hiro-microdatacenters.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject |
| www | 213.154.226.35 2001:7b8:620:1::d59a:e223 (AS12859) (address records, no CNAME) |
| www vs bare domain | Same network hiro-microdatacenters.dk: 213.154.226.35 2001:7b8:620:1::d59a:e223 (AS12859) www.hiro-microdatacenters.dk: 213.154.226.35 2001:7b8:620:1::d59a:e223 (AS12859) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.xel.nl | DANE-EE · SPKI · SHA-256 | 2CD160DE85679884691059310FDDC5BD… |
| SMTP _25._tcp.mx11.xel.nl | DANE-EE · SPKI · SHA-256 | 2CD160DE85679884691059310FDDC5BD… |
| SMTP _25._tcp.mx2.xel.nl | DANE-EE · SPKI · SHA-256 | 2CD160DE85679884691059310FDDC5BD… |
| SMTP _25._tcp.mx3.xel.nl | DANE-EE · SPKI · SHA-256 | 2CD160DE85679884691059310FDDC5BD… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026070901 |
| Primary NS (MNAME) | ns1.xel.nl |
| Responsible (RNAME) | hostmaster@hiro-microdatacenters.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-06-12 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 19:18:55 | 6737ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-08 06:38:44 | 4473ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-01 22:52:12 | 5215ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-24 21:40:55 | 3273ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-23 21:07:45 | 1795ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-17 01:50:14 | 27855ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-07 06:15:42 | 5050ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-28 10:41:39 | 17746ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-27 20:17:52 | 7294ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-26 19:32:40 | 22032ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-20 15:01:15 | 5705ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-15 17:49:48 | 7459ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-14 21:11:57 | 11240ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-13 12:44:01 | 17523ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-07 11:26:12 | 9855ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-31 09:57:05 | 1562ms | 3 NS 1 A 4 MX | ❓ Unknown |
| 2026-07-23 04:29:31 | 2586ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-17 06:29:08 | 14286ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-09 20:10:29 shown | 3629ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-03 15:13:16 | 4900ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-26 10:35:52 | 8992ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-25 20:42:20 | 6632ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-22 07:10:12 | 3887ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-21 17:57:01 | 1151ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 10:58:38 | 1091ms | 0 NS 0 A 0 MX | ❓ Unknown |