hefo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 April 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.173.226.75 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by hefo-dk.mx1-dk.mailanyone.net, hefo-dk.mx2-dk.mailanyone.net and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 213.173.226.75 | 600s | — | AS3308 | Norlys Telco A/S | 213.173.224.0/19 | 🇩🇰 Denmark | Valby |
| TXT Record |
|---|
| v=spf1 include:spf.mailanyone.net a:mail.hefo.dk ip4:213.173.226.70 ip4:213.173.226.75 -all |
| Policy | Record (hefo.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mailanyone.net a:mail.hefo.dk ip4:213.173.226.70 ip4:213.173.226.75 -all |
| Policy | Record (_dmarc.hefo.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;pct=0;aspf=r;fo=0;ruf=mailto:postmaster@hefo.dk;rua=mailto:postmaster@hefo.dk |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100301 |
| 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 | 2003-04-01 |
| Expires | 2028-04-30 (551d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 00:15:21 shown | 805ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 11:13:21 | 694ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-28 22:15:47 | 3632ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-23 19:41:55 | 3404ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 22:49:56 | 886ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 11:08:27 | 1368ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 11:07:09 | 1293ms | 2 NS 1 A 3 MX | 🔒 Secure |