nyholmbulow.dk is a .dk domain served by 2 nameservers (jason.ns.cloudflare.com, lady.ns.cloudflare.com). It was registered on 3 June 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| TXT Record |
|---|
| protonmail-verification=709f54274e17031dfc98c5b05547a4212f5292c4 |
| v=spf1 include:_spf.protonmail.ch mx -all |
| Policy | Record (nyholmbulow.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.protonmail.ch mx -all |
| Policy | Record (_dmarc.nyholmbulow.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:b46a37206f3b456fbf621574cddc21fb@dmarc-reports.cloudflare.net |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves nyholmbulow.dk: no address www.nyholmbulow.dk: no address |
| Wildcard | No |
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 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2408053577 |
| Primary NS (MNAME) | jason.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-06-03 |
| Expires | 2027-06-30 (247d) |
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 |
|---|---|---|---|
| 2026-10-24 16:04:18 | 442ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-23 06:12:21 | 1174ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-17 02:58:55 | 692ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-07 17:06:31 | 1278ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-26 17:01:35 | 743ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-18 09:53:21 | 3164ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-17 03:09:54 | 4665ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-27 22:58:16 shown | 852ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-22 05:34:04 | 708ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-17 13:34:52 | 2513ms | 2 NS 0 A 2 MX | 🔓 Insecure |