heron.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.112 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com and 2 more. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.112 | — | webcluster2.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:8081:a191:948a:f7c1 | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:servers.mcsv.net ?all |
| Policy | Record (heron.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:servers.mcsv.net ?all |
| www | 77.111.241.112 2a02:2350:5:104:8081:a191:948a:f7c1 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network heron.dk: 77.111.241.112 2a02:2350:5:104:8081:a191:948a:f7c1 (AS51468) www.heron.dk: 77.111.241.112 2a02:2350:5:104:8081:a191:948a:f7c1 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| 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
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061105 |
| 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 | 2017-11-10 |
| Expires | 2026-11-30 (42d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 07:53:53 | 758ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-10 06:32:22 | 774ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-04 03:45:54 | 6279ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 05:54:44 | 1160ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-12 21:52:17 | 902ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 10:37:58 | 1125ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 19:18:07 | 662ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:18:02 | 845ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:12:35 shown | 971ms | 2 NS 1 A 4 MX | 🔒 Secure |