celfnet.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was registered on 23 September 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.179.80.236 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by webhotel27.webhosting.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 5.179.80.236 | 600s | — | AS31027 | GlobalConnect A/S | 5.179.80.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | webhotel27.webhosting.dk | 157.250.160.47 | webhotel27.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | webhotel27.webhosting.dk → 157.250.160.47 |
| 🔶 Autoconfig | webhotel27.webhosting.dk → 157.250.160.47 |
| www CNAME | celfnet.dk (all on celfnet.dk) → 5.179.80.236 (AS31027) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.celfnet.dk | webhotel27.webhosting.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel27.webhosting.dk | DANE-TA · SPKI · SHA-256 | 55ADE8CA0305C103E1438FF1EF2B3DA4… |
| SMTP _25._tcp.webhotel27.webhosting.dk | DANE-EE · SPKI · SHA-256 | 55ADE8CA0305C103E1438FF1EF2B3DA4… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2015092442 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-09-23 |
| Expires | 2027-09-30 (342d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 04:57:44 shown | 1704ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 17:12:39 | 10666ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 03:54:33 | 842ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 01:31:25 | 883ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 13:21:25 | 931ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 03:56:10 | 1005ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:36:29 | 25007ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:09:44 | 1814ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:01:44 | 517ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:01:40 | 2618ms | 5 NS 1 A 1 MX | 🔒 Secure |