sikker-email.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.153.161.181 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by hallerup-dk.mx1.staysecuregroup.com, hallerup-dk.mx2.staysecuregroup.net. 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 |
|---|---|---|---|---|---|---|---|
| 78.153.161.181 | 43200s | — | AS31027 | GlobalConnect A/S | 78.153.160.0/19 | 🇩🇰 Denmark | Tilst |
| TXT Record |
|---|
| v=spf1 include:_spf.staysecuregroup.com ~all |
| Policy | Record (sikker-email.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.staysecuregroup.com ~all |
| Policy | Record (_dmarc.sikker-email.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 78.153.161.181 (AS31027) (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: 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 | 2026100601 |
| 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 | 2003-01-06 |
| Expires | 2027-01-31 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 07:07:21 shown | 1333ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 20:15:31 | 1993ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 20:11:29 | 606ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 19:19:52 | 1004ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 19:12:54 | 780ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 19:21:31 | 2461ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 04:32:00 | 1353ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 10:19:07 | 1895ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 05:21:38 | 624ms | 2 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-23 00:19:45 | 1146ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 01:58:28 | 3179ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 14:46:48 | 2950ms | 2 NS 1 A 2 MX | 🔒 Secure |