jacobsenren.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was registered on 24 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by webhotel19.webhosting.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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 602s | webhotel19.webhosting.dk | 157.250.160.39 | webhotel19.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | php52serv2.webhosting.dk → 157.250.163.12 |
| 🔶 Autoconfig | php52serv2.webhosting.dk → 157.250.163.12 |
| TXT Record |
|---|
| v=spf1 include:spf.webhosting.dk ~all |
| Policy | Record (jacobsenren.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.webhosting.dk ~all |
| Policy | Record (_dmarc.jacobsenren.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| www CNAME | php52serv2.webhosting.dk (all on webhosting.dk) → 157.250.163.12 (AS3342) |
| 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 | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.jacobsenren.dk | php52serv2.webhosting.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel19.webhosting.dk | DANE-TA · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| SMTP _25._tcp.webhotel19.webhosting.dk | DANE-EE · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| HTTPS _443._tcp.jacobsenren.dk | DANE-EE · SPKI · SHA-256 | 4D5B4CACBBF6A5F6B1013611B6BA6CF6… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2011052602 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 602s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-05-24 |
| Expires | 2027-05-31 (224d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 05:34:37 | 1643ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 07:21:51 | 2625ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 02:50:06 | 671ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 05:48:59 | 867ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 04:44:11 | 1075ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 15:50:58 | 9168ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 10:16:33 | 2436ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 15:31:33 shown | 12070ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 11:48:01 | 3037ms | 5 NS 1 A 1 MX | 🔒 Secure |