silkeborgmail.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 4 October 2019 (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 he.hostonline.dk, mx-backup.hostonline.dk. 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 |
|---|---|---|---|---|---|---|---|
| 217.195.185.220 | 3600s | webhotel12.hostonline.dk | AS31027 | GlobalConnect A/S | 217.195.176.0/20 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.hostonline.dk → 217.195.185.209 |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (silkeborgmail.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostonline.dk -all |
| www CNAME | silkeborgmail.dk (all on silkeborgmail.dk) |
| www vs bare domain | Same network |
| 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: 6/10 · 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 | 2026092502 |
| 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 | 2019-10-04 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 13:50:09 | 966ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-11 04:35:39 | 3260ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 10:09:06 | 400ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 09:51:56 | 2087ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 08:20:27 shown | 9497ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 02:59:03 | 2825ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 01:10:14 | 694ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-18 17:14:43 | 649ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 02:35:29 | 1900ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 00:54:08 | 1111ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-31 21:35:07 | 2020ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 01:35:49 | 2683ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 19:29:04 | 596ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 07:46:48 | 5015ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 16:31:53 | 1294ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-11 07:12:06 | 2555ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-07 11:54:11 | 953ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-01 07:33:26 | 18306ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 12:31:28 | 13846ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 07:47:07 | 950ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 14:45:34 | 3381ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-15 16:13:26 | 8883ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-08 16:55:20 | 16911ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 16:27:58 | 591ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-29 03:15:02 | 1502ms | 3 NS 1 A 2 MX | 🔒 Secure |