bjerrefisk.dk is a .dk domain served by 2 nameservers (connie.ns.cloudflare.com, jose.ns.cloudflare.com). It was registered on 6 July 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.ipmail.dk, mx2.ipmail.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.65.28 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.139.239 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.ipmail.dk | 93.157.204.21 | mx1.ipmail.dk | AS31027 GlobalConnect A/S |
| 10 | 300s | mx2.ipmail.dk | 5.179.86.215 | mx2.ipmail.dk | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::6815:411c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:8bef | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.65.28,172.67.139.239 ech=AEX+DQBBXAAgACB5FgqB2NpIGdXFQLyCRSZQLbeJWLjeWcat8XmdlFO9LAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:411c,2606:4700:3036::ac43:8bef |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 ip4:212.10.108.24 include:ipmail.dk include:spf.curanet.dk -all |
| Policy | Record (bjerrefisk.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:212.10.108.24 include:ipmail.dk include:spf.curanet.dk -all |
| Policy | Record (_dmarc.bjerrefisk.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:0541baaf6f344a0ea169f78158eded75@dmarc-reports.cloudflare.net |
| www | 104.21.65.28 172.67.139.239 2606:4700:3036::6815:411c 2606:4700:3036::ac43:8bef (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network bjerrefisk.dk: 104.21.65.28 172.67.139.239 2606:4700:3036::6815:411c 2606:4700:3036::ac43:8bef (AS13335) www.bjerrefisk.dk: 104.21.65.28 172.67.139.239 2606:4700:3036::6815:411c 2606:4700:3036::ac43:8bef (AS13335) |
| 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 |
DNS lookups: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415224270 |
| Primary NS (MNAME) | connie.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 1998-07-06 |
| Expires | 2027-09-30 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 07:10:14 | 651ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-27 18:09:23 | 697ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-23 15:45:15 | 771ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-18 18:51:19 shown | 1854ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-11 23:38:49 | 623ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-04 12:44:02 | 652ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-31 11:12:19 | 2893ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-28 02:56:23 | 10141ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-06 18:15:11 | 1290ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-23 00:37:40 | 17680ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-19 01:50:08 | 1612ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-14 15:38:43 | 2984ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-24 17:53:31 | 993ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-24 09:21:52 | 1067ms | 2 NS 2 A 2 MX | ⚠️ Bogus |
| 2026-06-21 06:42:23 | 1235ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-16 14:44:17 | 511ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-16 14:44:12 | 4705ms | 2 NS 2 A 2 MX | 🔒 Secure |