jonasit.dk is a .dk domain served by 2 nameservers (ns1.messagingengine.com, ns2.messagingengine.com). It was registered on 30 September 2026 (WHOIS) and first appeared in the .dk zone on 1 October 2026. Its website address 103.168.172.37 is hosted by Fastmail Pty Ltd (AS151847) in United States. Mail is handled by eu1-smtp.messagingengine.com, eu2-smtp.messagingengine.com. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.messagingengine.com | 162.159.24.178 | ns1.messagingengine.com | AS13335 Cloudflare, Inc. |
| ns2.messagingengine.com | 162.159.25.191 | ns2.messagingengine.com | AS13335 Cloudflare, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 103.168.172.37 | 3600s | www.messagingengine.com | AS151847 | Fastmail Pty Ltd | 103.168.172.0/24 | 🇺🇸 United States | Philadelphia |
| 103.168.172.52 | 3600s | www.messagingengine.com | AS151847 | Fastmail Pty Ltd | 103.168.172.0/24 | 🇺🇸 United States | Philadelphia |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 103.168.172.47 |
| 🔶 Autoconfig | 103.168.172.47 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 1 | 443 | autodiscover.fastmail.com |
| _imaps._tcp | 0 | 1 | 993 | imap.fastmail.com |
| TXT Record |
|---|
| v=spf1 include:spf.messagingengine.com ?all |
| Policy | Record (jonasit.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.messagingengine.com ?all |
| Policy | Record (_dmarc.jonasit.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 103.168.172.37 103.168.172.52 (AS151847) (address records, no CNAME) |
| www vs bare domain | Same network jonasit.dk: 103.168.172.37 103.168.172.52 (AS151847) www.jonasit.dk: 103.168.172.37 103.168.172.52 (AS151847) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.messagingengine.com |
| Responsible (RNAME) | postmaster@messagingengine.com |
| Refresh | 86256s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2026-09-30 |
| Expires | 2027-09-29 (346d) |
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 |
|---|---|
| landoglys.dk | DANDOMAIN A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 03:08:28 shown | 2488ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-07 15:00:32 | 1655ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-03 09:09:58 | 5906ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 09:01:09 | 641ms | 2 NS 1 A 0 MX | 🔒 Secure |