hammersoe.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 83.91.91.16 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by hammersoe-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 |
|---|---|---|---|---|---|---|---|
| 83.91.91.16 | — | 83-91-91-16-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 83.90.0.0/15 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms85502643 |
| v=spf1 ip4:87.63.128.162 include:spf.protection.outlook.com include:mail.techosting.dk include:iredmail01.jf-data.com ~all |
| Policy | Record (hammersoe.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:87.63.128.162 include:spf.protection.outlook.com include:mail.techosting.dk include:iredmail01.jf-data.com ~all |
| Policy | Record (_dmarc.hammersoe.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=reject; rua=mailto:dmarcreports@scanmail.nu; |
| www | 83.91.91.16 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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-hammersoe-dk._domainkey.hammersoe.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-hammersoe-dk._domainkey.hammersoe.onmicrosoft.com | RSA · ~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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026031201 |
| 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 |
|---|---|---|---|
| 2026-09-29 20:32:20 | 1153ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 01:46:06 | 1143ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 15:24:22 | 4871ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 02:04:53 | 5698ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 06:07:52 | 4870ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:39:18 shown | 2748ms | 2 NS 1 A 1 MX | 🔒 Secure |