grunnetwang.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.239 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.239 | 3600s | webcluster2.webpod18-cph3.g1i.one | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:807d:5dcb:5f08:73ae | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=d6c45cdf09c09cf92418d484233e4ab805f78e5b |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (grunnetwang.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.grunnetwang.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 46.30.215.239 2a02:2350:5:108:807d:5dcb:5f08:73ae (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network grunnetwang.dk: 46.30.215.239 2a02:2350:5:108:807d:5dcb:5f08:73ae (AS51468) www.grunnetwang.dk: 46.30.215.239 2a02:2350:5:108:807d:5dcb:5f08:73ae (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-08-04 |
| Expires | 2027-08-31 (317d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 18:55:24 | 1246ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 23:24:43 | 676ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 20:45:58 | 634ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 03:30:23 | 730ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 14:09:41 | 1455ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 20:29:01 | 1133ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 13:03:43 | 888ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 01:59:16 shown | 3430ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-20 16:50:05 | 1864ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-16 18:57:22 | 942ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 19:10:11 | 5184ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-01 23:59:36 | 693ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 09:24:50 | 956ms | 2 NS 1 A 2 MX | 🔒 Secure |