r42.dk is a .dk domain served by 2 nameservers (ns1.oemhost.net, ns2.oemhost.net). It was registered on 6 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 138.199.167.64 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail12.imapserver.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 138.199.167.64 | — | web51.oemhost.net | AS24940 | Hetzner Online GmbH | 138.199.128.0/17 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail12.imapserver.dk | 2a07:a80:4:8004::181 95.142.104.181 95.142.104.181 |
web12.oemhost.net 181.160-191.104.142.95.in-addr.arpa web12.oemhost.net |
AS34766 atom86 BV AS204866 Microdata Aps AS204866 Microdata Aps |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:c013:eeff::1 | — | web51.oemhost.net | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| google-site-verification=vJz_KDNX6YIXP_1NlIbEeGQA1j4s39srxm4hZ3nXb3s |
| v=spf1 include:spf.imapserver.dk -all |
| Policy | Record (r42.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.imapserver.dk -all |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:noc@oemhost.net |
| 128 | issue | letsencrypt.org |
| www | 138.199.167.64 2a01:4f8:c013:eeff::1 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network r42.dk: 138.199.167.64 2a01:4f8:c013:eeff::1 (AS24940) www.r42.dk: 138.199.167.64 2a01:4f8:c013:eeff::1 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | D016E1FE311948ACA64F2DE44CE86C9A… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | F1440A9B76E1E41E53A4CB461329BF63… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | F1647A5EE3EFAC54C892E930584FE479… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 025490860B498AB73C6A12F27A49AD5F… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 2BBAD93AB5C79279EC121507F272CBE0… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 3586D4ECF070578CBD27AEDCE20B964E… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 6DDAC18698F7F1F7E1C69B9BCE420D97… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 885BF0572252C6741DC9A52F5044487F… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 919C0DF7A787B597ED056ACE654B1DE9… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | CBBC559B44D524D6A132BDAC672744DA… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025052407 |
| Primary NS (MNAME) | ns1.oemhost.net |
| Responsible (RNAME) | hostmaster@oemhost.net |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-04-06 |
| Expires | 2026-11-30 (40d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 09:00:55 | 545ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 20:30:15 | 2503ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 20:24:36 | 1037ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 20:22:56 | 2283ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 18:50:15 | 3031ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 01:27:01 | 953ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 22:04:17 | 2380ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 22:34:11 | 3120ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 20:14:59 | 3286ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 11:24:44 | 2828ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 23:46:26 | 2776ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 02:59:44 | 1511ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 23:30:25 | 782ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 22:00:18 | 1264ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 22:59:22 | 1969ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 19:03:16 | 2895ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 07:06:51 | 1379ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 19:40:58 | 11498ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 12:06:50 | 1085ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 11:47:01 | 1053ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 12:05:09 | 1042ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-05 15:15:47 | 1379ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 10:49:43 | 2434ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 21:30:55 | 10648ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 05:07:43 | 781ms | 2 NS 1 A 1 MX | 🔒 Secure |