jacobsel.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 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 23.227.38.65 | 3600s | myshopify.com | AS13335 | Cloudflare, Inc. | 23.227.38.0/23 | 🇨🇦 Canada | Ottawa |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 23.227.38.65 |
| 🔶 Autoconfig | 23.227.38.65 |
| TXT Record |
|---|
| v=spf1 mx a include:spf.curanet.dk include:spf.gigahost.dk include:spf.simply.com -all |
| v=spf1 mx a include:spf.curanet.dk include:spf.gigahost.dk include:spf.simply.com include:shops.shopify.com -all |
| Policy | Record (jacobsel.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a include:spf.curanet.dk include:spf.gigahost.dk include:spf.simply.com -all |
| -all (hard fail) | v=spf1 mx a include:spf.curanet.dk include:spf.gigahost.dk include:spf.simply.com include:shops.shopify.com -all |
| www CNAME | shops.myshopify.com (all on myshopify.com) |
| 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 |
DNS lookups: 7/10 · policy: -all
| 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 |
|---|---|---|---|
| 2026-10-02 01:57:01 shown | 415ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 01:49:26 | 451ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-05 21:50:34 | 567ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 23:07:58 | 684ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-02 17:38:24 | 812ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 01:03:19 | 669ms | 4 NS 1 A 3 MX | 🔒 Secure |