hirtshalshavn.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.91.86.189 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by post3.montes.dk, post4.montes.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 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 |
|---|---|---|---|---|---|---|---|
| 83.91.86.189 | 3600s | — | AS3292 | TDC Holding A/S | 83.90.0.0/15 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | post3.montes.dk | 62.243.38.142 | post3.montes.dk | AS3292 TDC Holding A/S |
| 10 | 3600s | post4.montes.dk | 62.116.194.45 | post4.montes.dk | AS31027 GlobalConnect A/S |
| 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 |
|---|
| MS=ms28059381 |
| v=spf1 include:spf.protection.outlook.com include:spf.diaphoni.net include:spf.montes.dk include:sendgrid.net -all |
| Policy | Record (hirtshalshavn.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.diaphoni.net include:spf.montes.dk include:sendgrid.net -all |
| Policy | Record (_dmarc.hirtshalshavn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:sla685blx8@rua.powerdmarc.com; ruf=mailto:sla685blx8@ruf.powerdmarc.com; fo=1; |
| www | 83.91.86.189 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u8497618.wl119.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u8497618.wl119.sendgrid.net | 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: 5/10 · 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 | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 21:54:14 shown | 2761ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 21:43:54 | 1906ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 02:06:26 | 2930ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 16:02:01 | 2502ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 08:15:20 | 2506ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 11:42:40 | 1012ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 11:39:08 | 2591ms | 4 NS 1 A 2 MX | 🔒 Secure |