smtp-server.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.243.46.155 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by eu1-smtp-mx1.titanhq.com, eu1-smtp-mx2.titanhq.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 62.243.46.155 | 43200s | cms01.kta.dk | AS3292 | TDC Holding A/S | 62.242.0.0/15 | 🇩🇰 Denmark | Brønshøj |
| TXT Record |
|---|
| v=spf1 a ip4:62.243.46.129/26 ip4:176.20.24.193/26 ip4:87.54.62.9/30 include:_spf.mailersend.net ~all |
| Policy | Record (smtp-server.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a ip4:62.243.46.129/26 ip4:176.20.24.193/26 ip4:87.54.62.9/30 include:_spf.mailersend.net ~all |
| www | 62.243.46.155 (AS3292) (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 |
DNS lookups: 2/10 · 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 | 2026092301 |
| 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 | 2013-09-05 |
| Expires | 2027-09-30 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 00:41:34 shown | 529ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 00:40:25 | 998ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-23 23:02:59 | 713ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 14:20:45 | 2193ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 01:06:59 | 5183ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-19 12:17:17 | 5093ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 16:26:43 | 13730ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 12:41:08 | 435ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:55:11 | 1421ms | 2 NS 1 A 1 MX | 🔒 Secure |