management4u.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 11 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.220 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mx01.dandomain.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 217.195.185.220 | 3600s | webhotel12.hostonline.dk | AS31027 | GlobalConnect A/S | 217.195.176.0/20 | 🇩🇰 Denmark | Tilst |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx01.dandomain.dk | 212.237.249.50 | mx1.dandomain.dk | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.hostonline.dk → 217.195.185.209 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:188:6004:10::28 | 3600s | webhotel12.hostonline.dk | AS31027 | GlobalConnect A/S | 2a02:188:0:0:0:0:0:0/30 | 🇩🇰 Denmark | Charlottenlund |
| TXT Record |
|---|
| v=spf1 include:_spf.hostonline.dk -all |
| Policy | Record (management4u.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.hostonline.dk -all |
| www CNAME | management4u.dk (all on management4u.dk) |
| www vs bare domain | Same network management4u.dk: 217.195.185.220 2a02:188:6004:10::28 (AS31027) www.management4u.dk: 217.195.185.220 2a02:188:6004:10::28 (AS31027) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101402 |
| Primary NS (MNAME) | ns4.hostonline.dk |
| Responsible (RNAME) | hostmaster@hostonline.dk |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | TS COMPUTER ApS |
| Registered | 2011-01-11 |
| Expires | 2027-01-31 (106d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 21:12:24 shown | 3484ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 05:19:26 | 1997ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 04:06:49 | 387ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 03:50:19 | 911ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 01:59:58 | 3311ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 00:45:54 | 1352ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 13:41:53 | 1484ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 09:50:07 | 3234ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 07:01:58 | 1246ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 01:29:37 | 781ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:00:14 | 1739ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 20:35:02 | 4426ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 13:39:58 | 960ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 02:52:21 | 10969ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 01:43:58 | 3303ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-03 23:15:21 | 17364ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 02:54:52 | 2804ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 20:09:08 | 945ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 13:28:16 | 766ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 18:59:57 | 8914ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 22:55:26 | 9654ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 21:06:03 | 2474ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 12:19:16 | 623ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 05:33:29 | 516ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 03:13:47 | 634ms | 2 NS 1 A 1 MX | 🔒 Secure |