dobbeltd-byg.dk is a .dk domain served by 2 nameservers (ns1.nsec.dk, ns2.nsec.dk). It was registered on 17 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.90.95.175 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by dobbeltd-byg.dk. 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 |
|---|---|---|---|---|---|---|---|
| 157.90.95.175 | 14400s | cp01.nsec.dk | AS24940 | Hetzner Online GmbH | 157.90.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | dobbeltd-byg.dk | 157.90.95.175 2a01:4f8:252:4110::2 |
cp01.nsec.dk cp01.nsec.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 157.90.95.175 |
| 🔶 Autoconfig | 157.90.95.175 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:252:4110::2 | 14400s | cp01.nsec.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 ip4:157.90.95.175 ip4:78.47.201.168 +a +mx +ip4:138.201.92.22 ~all |
| Policy | Record (dobbeltd-byg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:157.90.95.175 ip4:78.47.201.168 +a +mx +ip4:138.201.92.22 ~all |
| Policy | Record (_dmarc.dobbeltd-byg.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | dobbeltd-byg.dk (all on dobbeltd-byg.dk) |
| www vs bare domain | Same network dobbeltd-byg.dk: 157.90.95.175 2a01:4f8:252:4110::2 (AS24940) www.dobbeltd-byg.dk: 157.90.95.175 2a01:4f8:252:4110::2 (AS24940) |
| Wildcard | No |
| 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: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.dobbeltd-byg.dk | wiSfk_gxR8l699kEP2NA3y-jB26epF-7GxhEj8Caj3A |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026081801 |
| Primary NS (MNAME) | ns1.nsec.dk |
| Responsible (RNAME) | michael@nsec.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-04-17 |
| Expires | 2027-04-30 (195d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 07:38:35 shown | 844ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 23:58:33 | 788ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 03:17:38 | 835ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 20:06:54 | 1100ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 02:56:06 | 8788ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 16:50:33 | 1189ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 13:23:42 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 00:46:25 | 2598ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 22:26:34 | 6879ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 04:21:02 | 1403ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 04:05:11 | 652ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 04:04:27 | 13798ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 04:00:27 | 611ms | 2 NS 1 A 1 MX | 🔓 Insecure |