mjello.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 5 April 2022 (WHOIS) and 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 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 |
|---|---|---|---|---|---|---|---|
| 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 |
|---|
| v=spf1 ip4:5.186.70.100 include:smet.dk ~all |
| Policy | Record (mjello.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:5.186.70.100 include:smet.dk ~all |
| Policy | Record (_dmarc.mjello.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc@mjello.dk;ruf=mailto:dmarc@mjello.dk |
| www CNAME | mjello.dk (all on mjello.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: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.mjello.dk | d5f3a592-e666-4834-9a93-4df868166d9e.auth.acme-dns.io |
| TXT | d5f3a592-e666-4834-9a93-4df868166d9e.auth.acme-dns.io | 8GZDzwDYaXt_R05VcTVLTyp6Lv8PYeH6f76xFmjO7O0 |
| TXT | d5f3a592-e666-4834-9a93-4df868166d9e.auth.acme-dns.io | I2p_YT_phpbqMMGDgJTe1kpKx7jHAi0Dv2Yto_IDV-g |
| 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 |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2022-04-05 |
| Expires | 2027-04-04 (166d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| brygbaren.dk | Simply.com A/S |
| niesch.dk | Simply.com A/S |
| ohbl.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 06:14:07 | 1138ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 13:25:09 shown | 490ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 09:43:45 | 966ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 14:06:46 | 17396ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 04:00:23 | 1819ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:31:49 | 632ms | 4 NS 1 A 1 MX | 🔒 Secure |