cedas.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 May 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.129 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by cedas-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.240.129 | — | — | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:a:40df:6103:3 | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms28680019 |
| MS=ms34345103 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (cedas.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cedas.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 77.111.240.129 2a02:2350:5:102:a:40df:6103:3 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network cedas.dk: 77.111.240.129 2a02:2350:5:102:a:40df:6103:3 (AS51468) www.cedas.dk: 77.111.240.129 2a02:2350:5:102:a:40df:6103:3 (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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061505 |
| 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 | ONE.COM A/S |
| Registered | 2017-05-30 |
| Expires | 2028-05-31 (591d) |
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).
| Domain | Registrar |
|---|---|
| medicintilboern.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 12:41:49 | 1209ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 20:27:56 | 3296ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 19:46:18 | 1529ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 13:08:28 | 775ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 17:12:31 | 746ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 17:16:54 | 1413ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 18:55:47 | 1229ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 03:23:32 | 4971ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 00:04:44 | 1971ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 05:36:50 | 690ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 13:59:23 | 871ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 03:01:33 | 1077ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:33:18 shown | 65535ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:20:46 | 1981ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:07:41 | 712ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:00:21 | 762ms | 2 NS 1 A 1 MX | 🔒 Secure |