jonsen.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 3 July 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.4 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.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 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 |
|---|---|---|---|---|---|---|---|
| 93.191.158.4 | — | linux3.dandomain.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.191.158.4 |
| 🔶 Autoconfig | 93.191.158.4 |
| TXT Record |
|---|
| ahrefs-site-verification_c00ce1271f7d8d08d41ce6b45b688e1a31638237635134b577fc6452b9ab3ed9 |
| v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB; |
| v=spf1 include:spf.mandrillapp.com include:servers.mcsv.net include:spf.dandomain.dk ?all |
| Policy | Record (jonsen.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.mandrillapp.com include:servers.mcsv.net include:spf.dandomain.dk ?all |
| www | 185.158.133.1 (AS13335) (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 |
|---|---|---|
| k1 | dkim.mcsv.net | 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: 5/10 · policy: ?all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025042300 |
| 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 | 1998-07-03 |
| Expires | 2027-09-30 (339d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 02:18:37 | 532ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 09:21:00 | 1164ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:00:43 | 783ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 12:45:11 | 522ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 20:47:59 | 639ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 19:51:24 | 2651ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 23:48:43 | 397ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 07:15:11 shown | 649ms | 4 NS 1 A 1 MX | 🔒 Secure |