jacobsenplus.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). 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 jacobsenplus-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 23.227.38.65 | 600s | myshopify.com | AS13335 | Cloudflare, Inc. | 23.227.38.0/23 | 🇨🇦 Canada | Ottawa |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _8vv95dtzy9kh7etn4a26d9xgqdkcy2n |
| 10:58 google-site-verification=SY_-LmdP_Xa2FYe2UsPz7oOxiaNI-vC0LDazL-tvbmA |
| google-site-verification=fJ_JOGDnS2VZdeyFDYfTserdly7EekhZCEyFImo_A9s |
| klaviyo-site-verification=WjBrCd |
| MS=ms22518846 |
| v=spf1 include:spf.protection.outlook.com include:emsd1.com include:spf.mcb.dk include:trustpilotservice.com ip4:87.51.2.0/26 ip4:80.196.242.133 ip4:77.221.246.198 ip4:54.240.107.202 ip4:109.71.61.2 ip4:109.71.60.168/29 -all |
| Policy | Record (jacobsenplus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:emsd1.com include:spf.mcb.dk include:trustpilotservice.com ip4:87.51.2.0/26 ip4:80.196.242.133 ip4:77.221.246.198 ip4:54.240.107.202 ip4:109.71.61.2 ip4:109.71.60.168/29 -all |
| Policy | Record (_dmarc.jacobsenplus.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=none; rua=mailto:dmarc@jacobsenplus.dk; |
| www CNAME | shops.myshopify.com (all on myshopify.com) |
| www vs bare domain | Same network jacobsenplus.dk: 23.227.38.65 (AS13335) www.jacobsenplus.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-jacobsenplus-dk._domainkey.jacobsenplus.onmicrosoft.com | 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: 4/10 · 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 | 2026092301 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 23:53:10 shown | 1384ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 23:53:22 | 1832ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 10:01:37 | 1440ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 04:22:55 | 1630ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 19:43:45 | 4877ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 02:51:33 | 643ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:38:02 | 1127ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 02:42:21 | 1088ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:39:39 | 1244ms | 2 NS 1 A 1 MX | 🔒 Secure |