rdg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by rdg-dk.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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.191 | 3600s | webforward.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=I8qXlOAY_YIZO6VwrbIhstSHWDW-cWy0QphctjydfW |
| anthropic-domain-verification-5b4ev8=SWXST7ReUo1eQKl6wtPskIJ8y |
| apple-domain-verification=F1wptAY3AzwgmCox |
| autodesk-domain-verification=QlGjmyLcgslFqfIda-gT |
| dropbox-domain-verification=m2tdeqw6wan8 |
| google-site-verification=dxCGmHIRvzkH-8SsZNKpLls7BEoADjEXqxH930EsEBI |
| google-site-verification=EW-Vdx6sbu6UGr2q3lk9wskh3oSAkPL8551VF87ritA |
| hibp-verify=dweb_igw6nl8gcatyvvw3n3cjwpsu |
| MS=ms81720613 |
| openai-domain-verification=dv-sHXLDeMHssOzJIqjZ7oAxurU |
| s5+bCLFLF8mJJTJOtVKUsGppBFcIGFqcOSodGpyer8WSer/CcgqStXWAVo2err/xJzrGVFKWIs9RssdKTPJqUA== |
| v=spf1 include:spf.protection.outlook.com include:_spf.anpdm.com include:mail.zendesk.com include:konformit.com include:spf.mailanyone.net include:_spf.presscloud.com include:_spf.easycruit.com a:mail.edisoft.no ip4:212.130.93.25 ip4:212.130.93.16 ip4:91.201.169.184 -all |
| Policy | Record (rdg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.anpdm.com include:mail.zendesk.com include:konformit.com include:spf.mailanyone.net include:_spf.presscloud.com include:_spf.easycruit.com a:mail.edisoft.no ip4:212.130.93.25 ip4:212.130.93.16 ip4:91.201.169.184 -all |
| Policy | Record (_dmarc.rdg.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:it-admin@rdg.dk; ruf=mailto:it-admin@rdg.dk; sp=reject; |
| www | 104.21.62.201 172.67.138.197 2606:4700:3032::6815:3ec9 2606:4700:3035::ac43:8ac5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector2 | selector2-rdg-dk._domainkey.rosendahldesigngroup.onmicrosoft.com | RSA · ~1024 bit below 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: 8/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060901 |
| 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 | 1997-10-15 |
| Expires | 2028-12-31 (804d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:36:18 | 1243ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 01:56:43 | 1102ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 11:54:38 | 668ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 11:51:18 | 1054ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 11:13:21 | 1085ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 10:55:47 | 1843ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 10:43:20 | 970ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 22:40:53 | 885ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 10:56:50 | 774ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 03:51:44 | 692ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 21:26:18 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 18:26:59 | 989ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 04:19:55 shown | 1257ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 00:16:52 | 971ms | 2 NS 1 A 1 MX | 🔒 Secure |