bifrost-sommerskole.dk is a .dk domain served by 4 nameservers (ns1.nhl-data.dk, ns2.nhl-data.dk, ns3.nhl-data.dk and 1 more). It was registered on 6 April 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.nhl-data.dk | — | — | — |
| ns2.nhl-data.dk | — | — | — |
| ns3.nhl-data.dk | — | — | — |
| ns4.nhl-data.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | — | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (bifrost-sommerskole.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.bifrost-sommerskole.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 46.183.138.100 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network bifrost-sommerskole.dk: 46.183.138.100 (AS47292) www.bifrost-sommerskole.dk: 46.183.138.100 (AS47292) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026061001 |
| Primary NS (MNAME) | ns1.nhl-data.dk |
| Responsible (RNAME) | hostmaster@nhl-data.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | NHL DATA ApS |
| Registered | 2018-04-06 |
| Expires | 2027-04-30 (184d) |
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 |
|---|---|
| forumbifrost.dk | NHL DATA ApS |
| krigslive.dk | NHL DATA ApS |
| landsforeningenbifrost.dk | NHL DATA ApS |
| rollespil.dk | NHL DATA ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 12:41:22 | 754ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-28 06:53:34 | 582ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-18 20:44:29 | 667ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-30 15:53:29 | 1895ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-09 20:23:45 | 921ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-21 12:22:42 | 1045ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-01 11:32:19 | 667ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 16:01:37 | 1001ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 15:31:37 | 851ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 14:29:14 shown | 649ms | 4 NS 1 A 3 MX | 🔒 Secure |