tdcnetmailmigration.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 6 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tdcnetmailmigration-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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.206.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms49795457 |
| v=spf1 include:spf.protection.outlook.com include:spf.odmad.quest-on-demand.com -all |
| Policy | Record (tdcnetmailmigration.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.odmad.quest-on-demand.com -all |
| Policy | Record (_dmarc.tdcnetmailmigration.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| www | Exists, no address |
| www vs bare domain | Neither resolves tdcnetmailmigration.dk: no address www.tdcnetmailmigration.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-tdcnetmailmigration-dk._domainkey.tdc.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: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026031320 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2023-02-06 |
| Expires | 2027-02-05 (101d) |
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 |
|---|---|---|---|
| 2026-10-26 12:07:28 | 573ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-09 06:35:58 | 1443ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-08 06:34:47 | 1180ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 20:30:29 | 1475ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 19:56:34 | 950ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 02:37:14 | 900ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-22 01:58:33 | 849ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-20 02:10:58 | 1264ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-04 09:31:53 | 860ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 23:53:29 | 1214ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-16 03:27:57 | 9470ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-13 13:05:07 | 5541ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-27 10:24:47 | 10556ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-26 10:05:36 | 2528ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-08 13:34:56 | 3353ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-01 19:20:22 | 1740ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-25 19:08:53 | 3088ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 17:05:50 | 1167ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:50:58 shown | 2264ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 11:51:29 | 2301ms | 4 NS 0 A 1 MX | 🔒 Secure |