blackswanbar.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 5 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 66.241.125.53 is hosted by Fly.io, Inc. (AS40509) in United States. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 66.241.125.53 | 3600s | ip-66-241-125-53.shared.customer.flyio.net | AS40509 | Fly.io, Inc. | 66.241.124.0/23 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 66.241.125.53 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a09:8280:1::15:cd29 | 3600s | ipv6.customer.flyio.net | AS40509 | Fly.io, Inc. | 2a09:8280:1:0:0:0:0:0/48 | 🇺🇸 United States | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com ?all |
| Policy | Record (blackswanbar.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.simply.com ?all |
| www | 66.241.125.53 2a09:8280:1::15:cd29 (AS40509) (address records, no CNAME) |
| www vs bare domain | Same network blackswanbar.dk: 66.241.125.53 2a09:8280:1::15:cd29 (AS40509) www.blackswanbar.dk: 66.241.125.53 2a09:8280:1::15:cd29 (AS40509) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.blackswanbar.dk | blackswanbar.dk.nqd369.flydns.net |
| TXT | blackswanbar.dk.nqd369.flydns.net | 7laLN1j8WrU8GiXIkU73Xd2DKvkC76p6ClCltxYR1-U |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-03-05 |
| Expires | 2029-03-31 (892d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 10:44:28 shown | 1937ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 09:54:09 | 615ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 06:58:41 | 823ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 23:40:21 | 3050ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 22:25:09 | 1210ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 05:11:42 | 830ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 20:59:26 | 1023ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 14:47:01 | 594ms | 4 NS 1 A 1 MX | 🔒 Secure |