dahlberg.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 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.250.160.23 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by dahlberg-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 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 |
|---|---|---|---|---|---|---|---|
| 157.250.160.23 | 600s | webhotel3.webhosting.dk | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | webhotel3.webhosting.dk → 157.250.160.23 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 10 | 10 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| mailerlite-domain-verification=faa9f3139e6b373b29676da4be254e5081646de9 |
| v=spf1 include:_spf.mlsend.com include:spf.webhosting.dk include:spf.protection.outlook.com -all |
| Policy | Record (dahlberg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mlsend.com include:spf.webhosting.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.dahlberg.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;fo=1; |
| www CNAME | webhotel3.webhosting.dk (all on webhosting.dk) → 157.250.160.23 (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 |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-dahlberg-dk._domainkey.tdch1030644.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-dahlberg-dk._domainkey.tdch1030644.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: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.dahlberg.dk | webhotel3.webhosting.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 3411051224 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-02-16 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 16:37:06 | 914ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 14:44:55 | 1142ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 01:46:03 | 772ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 13:58:59 shown | 960ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 23:40:40 | 786ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 23:40:13 | 738ms | 5 NS 1 A 1 MX | 🔒 Secure |