cerius-radius.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by ceriusradius-dk01e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification content=LCRCude4MVbBoxFUxdPy7mfm77-ret2p5kkZFUcN6r |
| figma-domain-verification=75e1f5ae81b5d000e360aaa84b54068d1d9a9270110d4165827f596d5ea3e7b1-1767688706 |
| MS=ms48493338 |
| v=spf1 exists:%{i}.spf.hc500-78.eu.iphmx.com ip4:152.73.247.41 include:spf.protection.outlook.com -all |
| Policy | Record (cerius-radius.dk) |
|---|---|
| -all (hard fail) | v=spf1 exists:%{i}.spf.hc500-78.eu.iphmx.com ip4:152.73.247.41 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cerius-radius.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:uz4xseau@ag.eu.dmarcadvisor.com; |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | dkim.cerius-radius-dk.dkim.yulsn.io | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-ceriusradius-dk01e._domainkey.seasnve.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · 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 | 2026101601 |
| 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 | 2022-02-10 |
| Expires | 2027-02-09 (114d) |
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 |
|---|---|---|---|
| 2026-10-18 05:35:01 | 3104ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 05:22:08 shown | 1768ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 19:18:55 | 1391ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 09:48:16 | 1201ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 06:23:56 | 1089ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 06:04:52 | 964ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:11:22 | 3241ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 23:30:45 | 1030ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:10:29 | 659ms | 2 NS 1 A 1 MX | 🔒 Secure |