fjerhammer.dk is a .dk domain served by 5 nameservers (ns1.he.net, ns2.he.net, ns3.he.net and 2 more). It was registered on 8 February 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.63.117.184 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by post.ravne.land. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.63.117.184 | 43200s | ravne.land | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | Hørsholm |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | post.ravne.land | 2a01:4f8:c0c:ef16:: 5.75.181.31 |
post.ravne.land post.ravne.land |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| google-site-verification=zCG2nKa0GCQxNi5OOZjkcrr__PxEBzO8Twvo3wfMKxs |
| keybase-site-verification=BB-WDIplMakJS4NKh30-MgIfV5AC8YX2naCH8Rwj9gk |
| v=spf1 a mx ip4:95.216.174.21 include:web.shared.mysmtp.com -all |
| Policy | Record (fjerhammer.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:95.216.174.21 include:web.shared.mysmtp.com -all |
| Policy | Record (_dmarc.fjerhammer.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:postmaster.dmarc@fjerhammer.dk |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20210329023729 |
| max_age | 15552000s |
| Policy MX | post.ravne.land |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:postmaster.tlsrpt@fjerhammer.dk |
| Flags | Tag | Value |
|---|---|---|
| 128 | iodef | mailto:hostmaster@fjerhammer.dk |
| 128 | issue | letsencrypt.org |
| 128 | issuewild | ; |
| www CNAME | fjerhammer.dk (all on fjerhammer.dk) → 87.63.117.184 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 6/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.post.ravne.land | DANE-EE · SPKI · SHA-256 | 2327BA3121DF252115DF6DE75749989A… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082100 |
| Primary NS (MNAME) | ns1.he.net |
| Responsible (RNAME) | hostmaster@fjerhammer.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-02-08 |
| Expires | 2035-02-28 (3054d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 03:01:53 | 1007ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 01:35:22 | 2264ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 20:13:04 | 1248ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 16:35:45 | 2595ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 08:28:17 | 3342ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 06:05:53 | 2868ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 05:36:40 | 1270ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 05:02:51 | 2515ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 09:02:03 | 3610ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 17:36:14 | 1566ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 14:15:28 | 1605ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 13:30:31 | 973ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 13:41:19 | 892ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 11:36:24 | 673ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 11:49:28 shown | 6577ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 10:55:37 | 1649ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 00:21:33 | 4632ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 19:49:36 | 1673ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 00:15:16 | 3233ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 04:36:00 | 2594ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 05:19:46 | 10093ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 03:35:43 | 2056ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 14:06:50 | 1364ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 09:01:30 | 3193ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 05:03:44 | 6648ms | 5 NS 1 A 1 MX | 🔒 Secure |