buch-andersen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 April 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.153 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod13-cph3.one.com, mx2.pub.mailpod13-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.153 | 3600s | webcluster26.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod13-cph3.one.com | 185.10.9.42 | mx1.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod13-cph3.one.com | 185.10.9.43 | mx2.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod13-cph3.one.com | 185.10.9.44 | mx3.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod13-cph3.one.com | 185.10.9.45 | mx4.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:c8:9b63:526a:4d7d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (buch-andersen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.buch-andersen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 77.111.240.153 2a02:2350:5:102:c8:9b63:526a:4d7d (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network buch-andersen.dk: 77.111.240.153 2a02:2350:5:102:c8:9b63:526a:4d7d (AS51468) www.buch-andersen.dk: 77.111.240.153 2a02:2350:5:102:c8:9b63:526a:4d7d (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-04-02 |
| Expires | 2035-06-30 (3176d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 12:32:21 shown | 465ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 12:31:49 | 487ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 18:26:41 | 568ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-30 10:21:07 | 1444ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 05:25:59 | 1064ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 05:23:59 | 2976ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-07 17:02:54 | 1019ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 00:16:10 | 889ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 20:43:27 | 634ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 12:35:03 | 799ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 06:37:42 | 634ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 00:26:11 | 2571ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 17:45:35 | 2356ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 17:30:17 | 700ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 17:30:07 | 4683ms | 2 NS 1 A 4 MX | 🔒 Secure |