tang-dahl.dk is a .dk domain served by 2 nameservers (ns1.sveigaard.dk, ns2.sveigaard.dk). It was registered on 18 August 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.81.179 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 49.12.81.179 | 3600s | server.sveigaard.dk | AS24940 | Hetzner Online GmbH | 49.12.0.0/15 | 🇩🇪 Germany | Falkenstein |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:2200:41d0::2 | 3600s | server.sveigaard.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 ip4:49.12.81.179 ip4:176.9.118.181 +a +mx include:spf.azehosting.net +ip6:2a01:4f8:241:464c::2 +include:_spf.google.com ~all |
| Policy | Record (tang-dahl.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:49.12.81.179 ip4:176.9.118.181 +a +mx include:spf.azehosting.net +ip6:2a01:4f8:241:464c::2 +include:_spf.google.com ~all |
| Policy | Record (_dmarc.tang-dahl.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www CNAME | tang-dahl.dk (all on tang-dahl.dk) |
| www vs bare domain | Same network tang-dahl.dk: 49.12.81.179 2a01:4f8:2200:41d0::2 (AS24940) www.tang-dahl.dk: 49.12.81.179 2a01:4f8:2200:41d0::2 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.tang-dahl.dk | ELyGmJsi1X7RQsr4aFTrA_RdPOjdstKDVFHxy3Gw39E |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026092701 |
| Primary NS (MNAME) | ns1.sveigaard.dk |
| Responsible (RNAME) | s@sveigaard.dk |
| Refresh | 3600s |
| Retry | 1200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-08-18 |
| Expires | 2027-08-31 (307d) |
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 |
|---|---|---|---|
| 2026-10-27 10:04:40 shown | 2660ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-10-01 07:27:39 | 1574ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-27 18:55:56 | 2098ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-26 12:46:52 | 3699ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-29 07:36:20 | 10546ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-21 16:21:01 | 788ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-21 00:44:50 | 998ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-18 00:24:16 | 1052ms | 2 NS 1 A 7 MX | 🔓 Insecure |