holrc.dk is a .dk domain served by 2 nameservers (ns1.nrd.dk, ns2.nrd.dk). It was registered on 17 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.95.64 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by holrc-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.nrd.dk | 208.94.148.4 | ns10.dnsmadeeasy.com | AS16552 Tiggee LLC |
| ns2.nrd.dk | 208.80.124.4 | ns11.dnsmadeeasy.com | AS16552 Tiggee LLC |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 23.88.95.64 | 3600s | dedi7385.your-server.de | AS24940 | Hetzner Online GmbH | 23.88.0.0/17 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 02QsLIbuyRaJMCizxfP9wI+t+5spfi/egWKMLOipw+P2y7ecrdLN/UDFo1dlTvHpJ5VaslVfl958u3Kr3nj9kg== |
| v=spf1 ip4:185.21.41.184 ip4:134.213.7.164 ip4:194.116.128.11 a:relay.amadeus.net include:spf.comendosystems.com include:spf.protection.outlook.com -all |
| Policy | Record (holrc.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.21.41.184 ip4:134.213.7.164 ip4:194.116.128.11 a:relay.amadeus.net include:spf.comendosystems.com include:spf.protection.outlook.com -all |
| www | 23.88.95.64 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 5/10 · 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 | 2009010127 |
| Primary NS (MNAME) | ns10.dnsmadeeasy.com |
| Responsible (RNAME) | dns@dnsmadeeasy.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-11-17 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:24:51 | 2236ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 05:58:44 | 1041ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 09:21:14 | 1133ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 06:32:52 | 650ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 06:09:34 | 1862ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 16:18:01 | 2639ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:37:56 shown | 1439ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 05:52:04 | 1202ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 07:10:25 | 2274ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-15 03:06:28 | 25633ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 07:52:04 | 2646ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 07:44:31 | 1010ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 15:49:17 | 844ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:59:50 | 2393ms | 2 NS 1 A 1 MX | 🔓 Insecure |