ronfeldt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.174 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.174 | 3600s | webcluster47.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:8076:dc19:fe9e:9fe6 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| google-site-verification=T4SJYfDFMgDGm8xyCRgSg8x7-uhPg2u53g_HEUY7inc |
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (ronfeldt.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| www | 77.111.240.174 2a02:2350:5:102:8076:dc19:fe9e:9fe6 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network ronfeldt.dk: 77.111.240.174 2a02:2350:5:102:8076:dc19:fe9e:9fe6 (AS51468) www.ronfeldt.dk: 77.111.240.174 2a02:2350:5:102:8076:dc19:fe9e:9fe6 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091502 |
| 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 | Slyde ApS |
| Registered | 2020-09-04 |
| Expires | 2027-09-30 (344d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 14:49:53 | 2321ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 23:04:13 shown | 2077ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-21 05:56:35 | 739ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-14 11:29:32 | 8677ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-09 07:55:12 | 873ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 11:14:42 | 581ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-23 21:36:41 | 8882ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 18:20:51 | 863ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 15:15:50 | 763ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 07:45:01 | 1153ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 05:56:52 | 1183ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:30:26 | 710ms | 2 NS 1 A 4 MX | 🔒 Secure |