sevenseas.dk is a .dk domain served by 2 nameservers (ns1.123hotel.dk, ns2.123hotel.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.66.2.218 is hosted by Itm8 A/S (AS57030) in Denmark. Mail is handled by mx.mentor-it.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 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 |
|---|---|---|---|---|---|---|---|
| 185.66.2.218 | 3600s | — | AS57030 | Itm8 A/S | 185.66.0.0/22 | 🇩🇰 Denmark | Odense |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.mentor-it.dk | 176.62.205.101 176.62.205.102 176.62.205.103 176.62.205.104 |
mx1.mentor-it.dk mx2.mentor-it.dk mx3.mentor-it.dk mx4.mentor-it.dk |
AS57030 Itm8 A/S AS57030 Itm8 A/S AS57030 Itm8 A/S AS57030 Itm8 A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 185.66.2.218 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms83788122 |
| v=spf1 include:emsd1.com ~all |
| v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.mentor-it.dk include:servers.mcsv.net -all |
| Policy | Record (sevenseas.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:emsd1.com ~all |
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.mentor-it.dk include:servers.mcsv.net -all |
| Policy | Record (_dmarc.sevenseas.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=s |
| www | 185.66.2.218 (AS57030) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 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: 1/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021111801 |
| Primary NS (MNAME) | ns1.123hotel.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 16:34:31 shown | 547ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:58:44 | 411ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 07:53:26 | 596ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 09:56:16 | 540ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 14:08:43 | 33918ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 03:24:16 | 1967ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 04:36:04 | 832ms | 2 NS 1 A 1 MX | 🔒 Secure |