externalmailfilter.dk is a .dk domain served by 2 nameservers (ns1.oemhost.net, ns2.oemhost.net). It was registered on 23 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 95.142.104.181 is hosted by Microdata Aps (AS204866) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 95.142.104.181 | 10800s | web12.oemhost.net | AS204866 | Microdata Aps | 95.142.104.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mail12.imapserver.dk | 2a07:a80:4:8004::181 95.142.104.181 |
web12.oemhost.net web12.oemhost.net |
AS34766 atom86 BV AS204866 Microdata Aps |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a07:a80:4:8004::181 | 10800s | web12.oemhost.net | AS34766 | atom86 BV | 2a07:a80:0:0:0:0:0:0/29 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| v=spf1 include:spf.imapserver.dk -all |
| Policy | Record (externalmailfilter.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 | 95.142.104.181 2a07:a80:4:8004::181 (AS34766 AS204866) (address records, no CNAME) |
| www vs bare domain | Same network externalmailfilter.dk: 95.142.104.181 2a07:a80:4:8004::181 (AS34766 AS204866) www.externalmailfilter.dk: 95.142.104.181 2a07:a80:4:8004::181 (AS34766 AS204866) |
| 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 | B3FB5D00E994CDDF2CC9A4EEA9F806BC… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | F1647A5EE3EFAC54C892E930584FE479… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 2E8307068B6DB620E4A39D068B5DEE5D… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | CBBC559B44D524D6A132BDAC672744DA… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | A698A20824BE04E47A1A33C4FA488731… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 919C0DF7A787B597ED056ACE654B1DE9… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 6EBCEFB4210B088654A38B03FEA3D7D1… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 51AAA87D984B559AC69E929F888A022D… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | F1440A9B76E1E41E53A4CB461329BF63… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 025490860B498AB73C6A12F27A49AD5F… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 885BF0572252C6741DC9A52F5044487F… |
| SMTP _25._tcp.mail12.imapserver.dk | DANE-TA · SPKI · SHA-256 | 9D637B3D27A9E570D07607B9CCADB80A… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025062505 |
| 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 | 2006-09-23 |
| Expires | 2026-11-30 (44d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 15:21:58 | 4405ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 11:35:45 | 1313ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 11:54:33 | 5432ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 11:37:52 shown | 758ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 19:08:07 | 2819ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 18:11:45 | 957ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 13:15:17 | 3589ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 11:14:01 | 2153ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 10:46:41 | 5504ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 01:12:42 | 2363ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 13:55:18 | 3724ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 02:10:39 | 4878ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-03 22:57:27 | 1754ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 14:22:49 | 9280ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 12:25:45 | 1672ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 03:34:41 | 1669ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 20:27:57 | 791ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 12:59:12 | 1740ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 18:46:54 | 2166ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:48:47 | 2704ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:09:54 | 2146ms | 2 NS 1 A 1 MX | 🔒 Secure |