seniorbyggeri.dk is a .dk domain served by 3 nameservers (linux3.dform.dk, ns1.dform.dk, ns2.dform.dk). It was registered on 25 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.98.139.7 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.seniorbyggeri.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 91.98.139.7 | 3598s | linux3.dform.dk | AS24940 | Hetzner Online GmbH | 91.98.0.0/15 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | mail.seniorbyggeri.dk | 2a01:4f8:1c1a:22c5::1 91.98.139.7 |
— linux3.dform.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:1c1a:22c5::1 | 3600s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Nuremberg |
| TXT Record |
|---|
| v=spf1 a mx a:seniorbyggeri.dk ip4:91.98.139.7 ip6:2a01:4f8:1c1a:22c5::1 ?all |
| Policy | Record (seniorbyggeri.dk) |
|---|---|
| ?all (neutral) | v=spf1 a mx a:seniorbyggeri.dk ip4:91.98.139.7 ip6:2a01:4f8:1c1a:22c5::1 ?all |
| Flags | Tag | Value |
|---|---|---|
| 0 | issuewild | letsencrypt.org |
| www | 91.98.139.7 2a01:4f8:1c1a:22c5::1 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network seniorbyggeri.dk: 91.98.139.7 2a01:4f8:1c1a:22c5::1 (AS24940) www.seniorbyggeri.dk: 91.98.139.7 2a01:4f8:1c1a:22c5::1 (AS24940) |
| Wildcard | No |
DNS lookups: 3/10 · policy: ?all
| 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 | 2026012000 |
| Primary NS (MNAME) | linux3.dform.dk |
| Responsible (RNAME) | root@linux3.dform.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-03-25 |
| Expires | 2027-03-24 (151d) |
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 |
|---|---|---|---|
| 2026-10-21 06:13:46 shown | 4161ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 10:57:26 | 2227ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 03:38:37 | 3569ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 04:49:08 | 5129ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-05 21:15:39 | 16670ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-26 13:02:31 | 4213ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:14:28 | 4152ms | 3 NS 1 A 1 MX | 🔓 Insecure |