christianc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.55.231.50 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by christianc-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.55.231.50 | — | — | AS8075 | Microsoft Corporation | 157.55.0.0/16 | 🇺🇸 United States | Addison |
| TXT Record |
|---|
| MS=ms21971522 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (christianc.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.christianc.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@kedde.com; |
| www CNAME | prodnet12.sharepointonline.com (all on sharepointonline.com) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.christianc.dk |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-christianc-dk._domainkey.christianc.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-christianc-dk._domainkey.christianc.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: 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 | 2026061301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 00:44:22 | 2123ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 08:35:24 | 745ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 22:40:51 | 1358ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 08:11:49 | 1347ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 01:32:57 | 1209ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 15:48:29 | 9027ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 05:24:51 | 5080ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 04:22:43 | 869ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:41:09 | 816ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:40:46 shown | 476ms | 2 NS 1 A 1 MX | 🔒 Secure |