sdegr4.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.221.204 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by www.sdegr4.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 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 |
|---|---|---|---|---|---|---|---|
| 217.116.221.204 | 3600s | — | AS31027 | GlobalConnect A/S | 217.116.208.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | www.sdegr4.dk | 217.116.221.204 | — | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | www.sdegr4.dk → 217.116.221.204 |
| 🔶 Autoconfig | www.sdegr4.dk → 217.116.221.204 |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (sdegr4.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| www | 217.116.221.204 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sdegr4.dk | www.sdegr4.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091201 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2011-03-01 |
| Expires | 2027-03-31 (160d) |
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 |
|---|---|---|---|
| 2026-10-14 19:55:55 | 914ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:45:12 | 709ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 05:35:31 shown | 670ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 09:23:03 | 656ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 08:27:14 | 979ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 07:44:51 | 3062ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 09:45:12 | 4892ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 17:27:38 | 2288ms | 2 NS 1 A 1 MX | 🔒 Secure |