therealm.dk is a .dk domain served by 3 nameservers (castor.return-path.dk, iris.return-path.dk, pollux.return-path.dk). It was registered on 5 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.133.221 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 89.150.133.221 | 3600s | return-path.dk | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a05:f6c7:7613:0:11:32ff:fe25:7642 | 3600s | — | AS203953 | Hiper A/S | 2a05:f6c0:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=4a4b2d27d7b569473807c5c67aaf8779f765ca60 |
| v=spf1 include:_spf.protonmail.ch mx -all |
| Policy | Record (therealm.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.protonmail.ch mx -all |
| Policy | Record (_dmarc.therealm.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:dmarcreports@return-path.dk; |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20260820 |
| max_age | 604800s |
| Policy MX | mail.protonmail.ch, mailsec.protonmail.ch |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tlsreports@return-path.dk |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve therealm.dk: 89.150.133.221 2a05:f6c7:7613:0:11:32ff:fe25:7642 (AS203953) (all like this)www.therealm.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | dkim._domainkey.simplelogin.co | 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: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| HTTPS _443._tcp.therealm.dk | DANE-EE · SPKI · SHA-256 | ED196B6094B0A81387C08A94364005EA… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090412 |
| Primary NS (MNAME) | hermes.return-path.dk |
| Responsible (RNAME) | hostmaster@return-path.dk |
| Refresh | 3600s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2019-02-05 |
| Expires | 2027-02-28 (134d) |
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 |
|---|---|---|---|
| 2026-10-16 08:06:56 | 1749ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-15 01:30:51 | 2580ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 22:48:34 | 3454ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 13:38:23 | 3366ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 04:00:50 | 1645ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 03:57:26 | 1653ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 18:34:10 | 1317ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 18:22:21 | 1034ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 18:07:57 | 1647ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 03:39:30 | 900ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 02:46:20 | 1708ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 02:12:19 | 1787ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 00:22:13 | 1689ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-19 13:13:30 | 2084ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 10:20:59 | 2094ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 08:42:13 shown | 1839ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-05 02:49:24 | 2288ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 11:05:45 | 781ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-20 17:09:40 | 8897ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 21:57:44 | 1220ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 20:09:10 | 5972ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 14:06:43 | 1832ms | 3 NS 1 A 2 MX | 🔒 Secure |