bulow-andersen.dk is a .dk domain served by 2 nameservers (coby.ns.cloudflare.com, leia.ns.cloudflare.com). It was registered on 1 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 207.180.236.77 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by bulowandersen-dk01c.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 207.180.236.77 | 300s | vmi2963771.contaboserver.net | AS51167 | Contabo GmbH | 207.180.192.0/18 | 🇫🇷 France | Lauterbourg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | bulow-andersen.dk → 207.180.236.77 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:c207:2022:795::1 | 300s | — | AS51167 | Contabo GmbH | 2a02:c204:0:0:0:0:0:0/30 | 🇫🇷 France | Lauterbourg |
| TXT Record |
|---|
| v=spf1 mx ip4:207.180.236.77 include:spf.protection.outlook.com -all |
| Policy | Record (bulow-andersen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:207.180.236.77 include:spf.protection.outlook.com -all |
| www CNAME | bulow-andersen.dk (all on bulow-andersen.dk) |
| www vs bare domain | Same network bulow-andersen.dk: 207.180.236.77 2a02:c207:2022:795::1 (AS51167) www.bulow-andersen.dk: 207.180.236.77 2a02:c207:2022:795::1 (AS51167) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.bulow-andersen.dk | bulow-andersen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417382646 |
| Primary NS (MNAME) | coby.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 | 2002-07-01 |
| Expires | 2026-09-30 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 20:27:10 shown | 3253ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 04:15:18 | 918ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 22:15:01 | 1086ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 22:06:37 | 2878ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-21 07:26:31 | 1963ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 11:06:35 | 1201ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 10:41:27 | 12219ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 04:29:21 | 2433ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 18:39:26 | 1546ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 22:09:49 | 3153ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 22:29:08 | 1104ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 17:41:44 | 868ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 17:40:12 | 2716ms | 2 NS 1 A 1 MX | 🔒 Secure |