1holte.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 1 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.102.88.132 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 91.102.88.132 | 600s | — | AS47292 | Sentia Denmark A/S | 91.102.88.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| google-site-verification=_QFbVMpnm2c_AI9rQ4BeX_7wzax1HrnMpErxEBI_-yY |
| v=spf1 include:spf.simply.com ~all |
| Policy | Record (1holte.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.simply.com ~all |
| www | 91.102.88.132 (AS47292) (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 |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026031300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2004-09-01 |
| Expires | 2027-09-30 (346d) |
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 |
|---|---|---|---|
| 2026-10-09 14:22:19 | 722ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 10:25:33 | 621ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 10:13:41 shown | 483ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 21:35:00 | 456ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 12:03:37 | 486ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 13:54:06 | 549ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 22:24:11 | 555ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 22:45:46 | 710ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-05 10:20:01 | 16877ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 02:28:34 | 714ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 10:15:18 | 1015ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 12:43:32 | 700ms | 4 NS 1 A 1 MX | 🔒 Secure |