fischer.dk is a .dk domain served by 2 nameservers (gina.ns.cloudflare.com, logan.ns.cloudflare.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.48 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by fischer-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.59.48 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.213.205 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:3b30 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:d5cd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.59.48,172.67.213.205 ech=AEX+DQBB+gAgACBHwqrr52AWDIlVgHF1rt3R1Rm9C2KjFakqal2s6ooTNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3b30,2606:4700:3033::ac43:d5cd |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| apple-domain-verification=dtFhGtIQIhphuKdJ |
| MS=ms43916399 |
| v=spf1 include:spf.protection.outlook.com include:_spf.presscloud.com ip4:162.55.165.67 ip4:216.55.99.117 ip4:109.235.64.228 ip4:82.135.213.239 ip4:100.101.8.242 ip4:213.83.201.86 ip4:213.83.201.90 ip4:213.239.107.199 ip4:77.33.209.197 ip4:213.83.201.94 -all |
| Policy | Record (fischer.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.presscloud.com ip4:162.55.165.67 ip4:216.55.99.117 ip4:109.235.64.228 ip4:82.135.213.239 ip4:100.101.8.242 ip4:213.83.201.86 ip4:213.83.201.90 ip4:213.239.107.199 ip4:77.33.209.197 ip4:213.83.201.94 -all |
| Policy | Record (_dmarc.fischer.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:e27c08e8af2f4729945d16dde1256bb0@dmarc-reports.cloudflare.net |
| www | 104.21.59.48 172.67.213.205 2606:4700:3031::6815:3b30 2606:4700:3034::ac43:d5cd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-fischer-dk._domainkey.fischergroupdanmark.onmicrosoft.com | 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| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2408259690 |
| Primary NS (MNAME) | gina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 1997-01-31 |
| Expires | 2028-03-31 (530d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 21:21:12 | 3673ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 20:55:16 | 930ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 15:32:55 | 995ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 07:56:58 | 2215ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-05 11:44:43 | 2423ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 08:36:43 | 1188ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 00:44:38 | 10276ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-18 09:39:37 | 3196ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 06:02:23 | 2019ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 00:25:41 | 1515ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 18:26:13 | 2815ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-01 00:01:27 shown | 1185ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 00:01:07 | 1409ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 17:20:21 | 3491ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:17:40 | 3006ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:12:59 | 1083ms | 2 NS 2 A 1 MX | 🔓 Insecure |