ibirk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 May 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 92.205.181.178 is hosted by Host Europe GmbH (AS21499) in France. Mail is handled by mail.ibirk.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | 195.206.121.10 | ns01.one.com | AS197495 One.com A/S |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 92.205.181.178 | 900s | 178.181.205.92.host.secureserver.net | AS21499 | Host Europe GmbH | 92.205.160.0/19 | 🇫🇷 France | Strasbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | mail.ibirk.dk | 92.205.181.178 | 178.181.205.92.host.secureserver.net | AS21499 Host Europe GmbH |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | ibirk.dk |
| TXT Record |
|---|
| v=spf1 +a +mx include:secureserver.net include:_custspf.one.com -all |
| v=spf1 include:secureserver.net include:_custspf.one.com -all |
| Policy | Record (ibirk.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx include:secureserver.net include:_custspf.one.com -all |
| -all (hard fail) | v=spf1 include:secureserver.net include:_custspf.one.com -all |
| Policy | Record (_dmarc.ibirk.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s; aspf=s |
| www CNAME | ibirk.dk (all on ibirk.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 6/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.ibirk.dk | 9B8-4O-bDX-UrDaZgiM7MCWFvQh6SlJP8Cje3bbUBRw |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.ibirk.dk | DANE-EE · Full cert · SHA-256 | 3B194A41B0A7FD2392496C2BE156A0CB… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061401 |
| 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 | ONE.COM A/S |
| Registered | 2009-05-20 |
| Expires | 2027-05-31 (225d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 09:48:13 | 525ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:17:34 | 792ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 06:28:45 | 755ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 23:20:51 | 941ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 02:07:51 | 713ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 12:38:38 | 780ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 17:45:10 | 2619ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 00:59:04 | 8547ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 21:17:49 | 843ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 22:43:04 shown | 1829ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 01:35:51 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 18:58:33 | 630ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:20:25 | 1096ms | 2 NS 1 A 1 MX | 🔒 Secure |