mikeljensen.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 June 2026 (WHOIS) and first appeared in the .dk zone on 24 June 2026. Its website address 84.238.109.19 is hosted by Bolignet-aarhus F.m.b.a. (AS33796) in Denmark. Mail is handled by mail.floyd.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 |
|---|---|---|---|---|---|---|---|
| 84.238.109.19 | 3600s | 84-238-109-19.ptr.bnaa.dk | AS33796 | Bolignet-aarhus F.m.b.a. | 84.238.0.0/17 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.floyd.dk | 84.238.109.19 | 84-238-109-19.ptr.bnaa.dk | AS33796 Bolignet-aarhus F.m.b.a. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 84.238.109.19 |
| 🔶 Autoconfig | 84.238.109.19 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 0 | 443 | autodiscover.floyd.dk |
| _imaps._tcp | 10 | 0 | 993 | mail.floyd.dk |
| TXT Record |
|---|
| v=spf1 ip4:87.116.5.111 ip4:87.116.5.110 ip4:84.238.109.19 ip4:84.238.102.136 ip4:51.15.126.13 ip6:2001:bc8:1640:2c6c:dc00:ff:fe35:a4b5 -all |
| Policy | Record (mikeljensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.116.5.111 ip4:87.116.5.110 ip4:84.238.109.19 ip4:84.238.102.136 ip4:51.15.126.13 ip6:2001:bc8:1640:2c6c:dc00:ff:fe35:a4b5 -all |
| Policy | Record (_dmarc.mikeljensen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:DMARC@floyd.dk; ruf=mailto:DMARC@floyd.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:admin@floyd.dk |
| 0 | issue | letsencrypt.org |
| www | 84.238.109.19 (AS33796) (address records, no CNAME) |
| 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 · ~1024 bit below 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: 0/10 · 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 | 2026100300 |
| 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 | 2026-06-23 |
| Expires | 2027-06-22 (245d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 13:57:26 | 726ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 23:36:12 shown | 1239ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 23:26:03 | 588ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:14:13 | 844ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 04:49:48 | 8480ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 00:43:49 | 569ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 17:19:43 | 623ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 20:06:06 | 530ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 18:52:30 | 2019ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 08:34:55 | 718ms | 3 NS 1 A 1 MX | ⚠️ Bogus |