smet.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.70.100 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by smet.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 |
|---|---|---|---|---|---|---|---|
| 5.186.70.100 | 600s | 5.186.70.100.dhcp.fibianet.dk | AS44869 | FIBIA P/S | 5.186.0.0/16 | 🇩🇰 Denmark | Odense |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | smet.dk | 5.186.70.100 | 5.186.70.100.dhcp.fibianet.dk | AS44869 FIBIA P/S |
| TXT Record |
|---|
| google-site-verification=6KdAlJ_HiScJuLZzKTF3ikAs9oVK9wYKAQZSIk8GQIc |
| v=spf1 ip4:5.186.70.100 include:spf.simply.com ~all |
| Policy | Record (smet.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:5.186.70.100 include:spf.simply.com ~all |
| Policy | Record (_dmarc.smet.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc@smet.dk;ruf=mailto:dmarc@smet.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www CNAME | smet.dk (all on smet.dk) → 5.186.70.100 (AS44869) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.smet.dk | 1fc50be4-c12b-4842-bf95-bac20031fbe2.auth.acme-dns.io |
| TXT | 1fc50be4-c12b-4842-bf95-bac20031fbe2.auth.acme-dns.io | PfdqRBZyo0yq3VSvEYPzkq4kdQOTWhlZ-88EtMb1tXc |
| TXT | 1fc50be4-c12b-4842-bf95-bac20031fbe2.auth.acme-dns.io | R5HtU6TIPfdu1w5gyh1fira8GRI3G2Eka4M5UbGB3PY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 13:27:40 shown | 628ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 13:21:08 | 929ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 13:13:20 | 759ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 01:13:23 | 486ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 02:44:43 | 697ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 12:41:45 | 741ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 15:51:16 | 2438ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 12:22:51 | 930ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 12:19:40 | 1105ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:06:26 | 1091ms | 4 NS 1 A 1 MX | 🔒 Secure |