esbjerg-mail.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, publishes a DMARC policy and has no IPv6 address. 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.hostonline.dk → 217.195.185.209 |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (esbjerg-mail.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (_dmarc.esbjerg-mail.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=r; |
| www CNAME | esbjerg-mail.dk (all on esbjerg-mail.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 | 2026101502 |
| 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 11:15:23 shown | 585ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 05:22:22 | 2170ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-06 01:20:00 | 715ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 00:48:28 | 611ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 23:54:43 | 1927ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 23:52:49 | 504ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 00:09:08 | 679ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 02:41:54 | 800ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 02:15:33 | 577ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-17 07:50:59 | 615ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-17 04:46:39 | 1670ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-10 03:48:14 | 680ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-07 18:43:18 | 1004ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-31 14:19:55 | 1584ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 08:50:40 | 2668ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 00:09:45 | 946ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 13:00:26 | 4131ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-17 08:29:45 | 4166ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 00:40:07 | 4863ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 14:34:42 | 845ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-02 23:11:30 | 2724ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 20:04:46 | 16764ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 15:28:47 | 874ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 08:36:49 | 812ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-14 12:50:13 | 3259ms | 3 NS 1 A 2 MX | 🔒 Secure |