bistruphave.dk is a .dk domain served by 4 nameservers (ns-global.kjsl.com, ns1.bistruphave.dk, ns2.bistruphave.dk and 1 more). It was registered on 19 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.242.245 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by bistruphave.dk, alt.bistruphave.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 87.104.242.245 | 7200s | bistruphave.dk | AS204151 | EWII Bredbaand A/S | 87.104.240.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 7200s | bistruphave.dk | 2a06:4000:8018:2::4444 87.104.242.245 |
bistruphave.dk bistruphave.dk |
AS204151 EWII Bredbaand A/S AS204151 EWII Bredbaand A/S |
| 12 | 7200s | alt.bistruphave.dk | 2a06:4000:8018:4::4444 95.209.148.67 |
alt.bistruphave.dk 95.209.148.67.bredband.3.dk |
AS204151 EWII Bredbaand A/S AS44034 Hi3G Access AB |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:4000:8018:2::4444 | 7200s | bistruphave.dk | AS204151 | EWII Bredbaand A/S | 2a06:4000:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Kongens Lyngby |
| TXT Record |
|---|
| v=spf1 ip4:87.104.242.245 ip4:95.209.148.67 ip6:2a06:4000:8018:2::/64 ~all |
| Policy | Record (bistruphave.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:87.104.242.245 ip4:95.209.148.67 ip6:2a06:4000:8018:2::/64 ~all |
| Policy | Record (_dmarc.bistruphave.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:postmaster@bistruphave.dk |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20190831085700Z |
| max_age | 10368000s |
| Policy MX | bistruphave.dk, alt.bistruphave.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:postmaster@bistruphave.dk |
| Flags | Tag | Value |
|---|---|---|
| 128 | issue | letsencrypt.org |
| www CNAME | bistruphave.dk (all on bistruphave.dk) |
| www vs bare domain | Same network bistruphave.dk: 87.104.242.245 2a06:4000:8018:2::4444 (AS204151) www.bistruphave.dk: 87.104.242.245 2a06:4000:8018:2::4444 (AS204151) |
| 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 |
|---|---|---|
| — | 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: 0/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.alt.bistruphave.dk | DANE-EE · SPKI · SHA-256 | 6CC6F2B2F7CB6873A2914D311DEE025C… |
| SMTP _25._tcp.bistruphave.dk | DANE-EE · SPKI · SHA-256 | 5F859A4F7778AF827A3DAA6257A5D67C… |
| HTTPS _443._tcp.bistruphave.dk | DANE-EE · SPKI · SHA-256 | 5F859A4F7778AF827A3DAA6257A5D67C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060296 |
| Primary NS (MNAME) | ns1.bistruphave.dk |
| Responsible (RNAME) | hostmaster@bistruphave.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-05-19 |
| Expires | 2036-05-31 (3512d) |
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).
| Domain | Registrar |
|---|---|
| arkaeologen.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 09:05:01 | 1538ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-17 07:41:44 | 5391ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-16 06:51:22 | 3579ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-15 05:20:18 | 4284ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-11 00:16:13 | 2046ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 20:53:11 | 5022ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-06 14:59:48 | 5179ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 14:08:46 | 1704ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 23:56:24 | 2758ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-16 18:40:53 | 1551ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 13:48:28 | 1666ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 20:23:28 | 1853ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 16:00:34 | 1276ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 15:07:23 | 2340ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-25 03:08:05 | 9771ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-24 02:38:17 | 3581ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-22 23:13:26 | 2638ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 22:58:33 shown | 2083ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-20 22:55:06 | 1520ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-19 20:23:49 | 11387ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-18 20:22:41 | 5783ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-17 08:24:07 | 5635ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-15 05:54:56 | 5291ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 13:16:40 | 4726ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-11 17:53:53 | 1293ms | 4 NS 1 A 2 MX | 🔒 Secure |