sebastiannyholm.dk is a .dk domain served by 2 nameservers (karina.ns.cloudflare.com, keaton.ns.cloudflare.com). It was registered on 29 October 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.39.242.241 is hosted by Edelskjold Holding ApS (AS215686) in Denmark. Mail is handled by mail.sebastiannyholm.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 194.39.242.241 | 300s | ns1.nordiccdn.com | AS215686 | Edelskjold Holding ApS | 194.39.242.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.sebastiannyholm.dk | 91.229.236.110 | s10.speedio.dk | AS215686 Edelskjold Holding ApS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | s10-91.speedio.dk → 91.229.236.110 |
| 🔶 Autoconfig | s10-91.speedio.dk → 91.229.236.110 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a0c:dd00::2 | 60s | ns1.nordiccdn.com | AS215686 | Edelskjold Holding ApS | 2a0c:dd00:0:0:0:0:0:0/29 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| google-site-verification=hFht6Fl9xNGSRCIPxh5wsajv4AosrsYsTipx5hz4Vl8 |
| v=spf1 a mx include:sfp.speedio.dk include:s10-proxy.speedio.dk ~all |
| Policy | Record (sebastiannyholm.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:sfp.speedio.dk include:s10-proxy.speedio.dk ~all |
| www CNAME | s10-91.speedio.dk (all on speedio.dk) |
| www vs bare domain | Same network sebastiannyholm.dk: 194.39.242.241 2a0c:dd00::2 (AS215686) www.sebastiannyholm.dk: 91.229.236.110 (AS215686) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 4/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sebastiannyholm.dk | _acme-challenge.sebastiannyholm.dk.hostinggroup.dk |
| TXT | _acme-challenge.sebastiannyholm.dk.hostinggroup.dk | cYhXMKhDmJzUKpjv0cfrcTdddEXmvFoX7VINam6xQqY |
| TXT | _acme-challenge.sebastiannyholm.dk.hostinggroup.dk | zvBEmaPQG_0eAiWcG32AxxGJmyilBpjy8MwA_HPMBcQ |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417205187 |
| Primary NS (MNAME) | karina.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 | 2010-10-29 |
| Expires | 2027-10-31 (375d) |
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 |
|---|---|---|---|
| 2026-10-11 19:22:24 shown | 1654ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 08:39:11 | 648ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 06:47:38 | 552ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 12:36:37 | 958ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 08:36:57 | 645ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:25:20 | 9880ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 10:56:40 | 9714ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-23 18:07:57 | 3601ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 17:07:45 | 1241ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 09:55:33 | 3448ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 06:46:24 | 4633ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 19:35:23 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:33:52 | 793ms | 2 NS 1 A 1 MX | 🔓 Insecure |