altombyg.dk is a .dk domain served by 4 nameservers (ns1.dk, ns2.dk, ns3.dk and 1 more). It was registered on 19 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.85.12 is hosted by PerfGrid (AS59795) in The Netherlands. Mail is handled by pmg1.h4r.eu, pmg2.h4r.eu. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 213.184.85.12 | 60s | nlcp03.shared-infra.net | AS59795 | PerfGrid | 213.184.84.0/23 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | pmg1.h4r.eu | 2a01:4f8:c012:7e77::1 49.12.11.203 |
pmg1.h4r.eu filter02.h4r.eu |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| 20 | 60s | pmg2.h4r.eu | 2001:41d0:701:1100::a6bc 57.129.66.76 |
filter04.h4r.eu filter04.h4r.eu |
AS16276 OVH SAS AS16276 OVH SAS |
| TXT Record |
|---|
| v=spf1 ip4:213.184.85.12 include:spf-record.net ip4:213.184.85.13 include:_relayspf.hosting4real.net ip4:51.77.128.163 +a +mx ~all |
| Policy | Record (altombyg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:213.184.85.12 include:spf-record.net ip4:213.184.85.13 include:_relayspf.hosting4real.net ip4:51.77.128.163 +a +mx ~all |
| www | 213.184.85.12 (AS59795) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 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: 6/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.altombyg.dk | K44VL7MRNpzoF8AeQOwJ3UX0uMfIplYLoqt3zcM6Wlk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | ECDSA P-256/SHA-256 | P5dXTeQKisdC2QvMMbk8ucNJX68y6irECHev4PD0… |
| ZSK | ECDSA P-256/SHA-256 | dYORPrBHoA5A1UC/UgEQ5lMDelr1NrQQ50dfG9wI… |
| Field | Value |
|---|---|
| Serial | 2026080201 |
| Primary NS (MNAME) | ns1.dk |
| Responsible (RNAME) | server@hosting4real.com |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | PerfGrid |
| Registered | 2020-06-19 |
| Expires | 2027-06-30 (256d) |
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 |
|---|---|
| michaelkaiser.dk | PerfGrid |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 03:30:23 | 1225ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 04:14:45 | 1073ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 14:50:45 | 2454ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 00:44:54 | 9995ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 18:26:49 | 1007ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-02 09:11:40 | 1563ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 19:41:11 shown | 1381ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 14:10:56 | 1663ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-29 23:29:25 | 2979ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-28 11:59:59 | 2217ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 12:46:56 | 774ms | 4 NS 1 A 2 MX | 🔒 Secure |