ing4u.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.151.155.18 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.semark.dk, adsl.semark.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 83.151.155.18 | 3600s | — | AS31027 | GlobalConnect A/S | 83.151.128.0/18 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.semark.dk | 83.151.155.21 | mail.semark.dk | AS31027 GlobalConnect A/S |
| 20 | 43200s | adsl.semark.dk | 83.151.155.18 | — | AS31027 GlobalConnect A/S |
| TXT Record |
|---|
| v=spf1 redirect=_spf.semarkit.net |
| Policy | Record (ing4u.dk) |
|---|---|
| redirect=_spf.semarkit.net | v=spf1 redirect=_spf.semarkit.net |
| Policy | Record (_dmarc.ing4u.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; aspf=r; adkim=r; fo=1; pct=100; rua=mailto:semark-d@dmarc.report-uri.com; ruf=mailto:semark-d@dmarc.report-uri.com; |
| www CNAME | ing4u.dk (all on ing4u.dk) → 83.151.155.18 (AS31027) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| HTTPS _443._tcp.ing4u.dk | DANE-TA · SPKI · SHA-256 | 8D02536C887482BC34FF54E41D2BA659… |
| 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 | 9mUA6RTGRIL0uG+GaSm6o7TBeaNbNbxMWYFklB0m… |
| ZSK | ECDSA P-256/SHA-256 | VmB/vOFwMhkJ28glsIaoBZPEUtGsy0JQv4aayInD… |
| Field | Value |
|---|---|
| Serial | 2026092201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-02-06 |
| Expires | 2027-02-28 (134d) |
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 |
|---|---|
| oz3pi.dk | Punktum dk A/S (direct) |
| thic.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 07:09:26 | 2100ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 06:09:34 | 3164ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 05:35:26 shown | 1857ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 08:13:38 | 771ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 02:31:09 | 892ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-09 18:14:28 | 10732ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 23:16:03 | 1619ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 14:48:21 | 340ms | 0 NS 0 A 0 MX | ❓ Unknown |