mertzel.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was registered on 18 March 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.98.92.78 is hosted by GlobalConnect A/S (AS42525) in Denmark. Mail is handled by mertzel-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 212.98.92.78 | 3600s | onehouseit.dk | AS42525 | GlobalConnect A/S | 212.98.64.0/18 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| mscid=TJVaPtiuZ7y9z8iL6YWw5F6TJYpZM8MLUjm/XH4woiNtB6DeGwpcBV/YQ/OJYjzAFtKyDDP42a7Y0y7Ch/1PTQ== |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (mertzel.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | mertzel.dk (all on mertzel.dk) → 212.98.92.78 (AS42525) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-mertzel-dk._domainkey.mertzel.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: 1/10 · policy: -all
No problems found| 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 | 1 |
| Primary NS (MNAME) | ns1.bdm.microsoftonline.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-03-18 |
| Expires | 2027-03-31 (164d) |
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 |
|---|---|---|---|
| 2026-09-16 20:17:09 | 825ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 17:14:13 | 850ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 00:11:47 | 845ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 17:00:01 shown | 1445ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:33:16 | 2346ms | 4 NS 1 A 1 MX | 🔓 Insecure |