ucholstebro.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 20 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.95.64 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by ucholstebro-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|
| ns.efif.dk | 195.254.168.23 | ns.efif.dk | AS51073 Aarhus Business College |
| ns2.efif.dk | 195.254.168.12 | ns2.efif.dk | AS51073 Aarhus Business College |
| ns3.efif.dk | 20.23.170.35 | — | AS8075 Microsoft Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 23.88.95.64 | 600s | dedi7385.your-server.de | AS24940 | Hetzner Online GmbH | 23.88.0.0/17 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 10 | 443 | autodiscover.ditsc.dk |
| _sipfederationtls._tcp | 0 | 10 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 40l7spgm0lmj5gtndtmutm1aii |
| adobe-idp-site-verification=fa87258413420aedb04e32650c1a7aecb16ef3edd0ed3fd9c806c03b36daa5ed |
| google-site-verification=FsS9TNpjGzrRT7HTmliraXQx3voeOkFatUTNrYaXPOU |
| google-site-verification=MvxW33xOIOtsYPmQS2yRlL8A3OfGWNqXyC4efsMtlzo |
| google-site-verification=PwhJMpCWvP8e3uauwW0VQ7_S6WlegB3I2Vr8K4lram8 |
| google-site-verification=ziQep9clBQFSe-wZ0dI57PT3xrTI3Nb7sp8PwRYEbJg |
| MS=ms86321889 |
| r3qhd7tdddj3sam2ko2is5bqcl |
| t1bklgsbbu5mdlfviomcq2dg31 |
| v=spf1 include:spf.protection.outlook.com include:spf1.ucholstebro.dk include:139509895.spf04.hubspotemail.net include:spf.mcb.dk include:_spf.defgo.net include:spf.zitcom.dk include:spf.topdesk.net include:_spf.createsend.com ip4:52.178.43.180 -all |
| Policy | Record (ucholstebro.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf1.ucholstebro.dk include:139509895.spf04.hubspotemail.net include:spf.mcb.dk include:_spf.defgo.net include:spf.zitcom.dk include:spf.topdesk.net include:_spf.createsend.com ip4:52.178.43.180 -all |
| Policy | Record (_dmarc.ucholstebro.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:64e88d13a948b@dmarc.centerasecurity.com |
| www CNAME | ucholstebro.dk (all on ucholstebro.dk) → 23.88.95.64 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-ucholstebro-dk._domainkey.uddannelsescenterholst.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-ucholstebro-dk._domainkey.uddannelsescenterholst.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: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 |
| Field | Value |
|---|---|
| Serial | 2023101087 |
| Primary NS (MNAME) | ns.efif.dk |
| Responsible (RNAME) | dns-zc@efif.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-01-20 |
| Expires | 2027-01-31 (102d) |
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 |
|---|---|---|---|
| 2026-10-19 05:58:19 | 4390ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 04:50:07 | 4804ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 03:20:05 | 4277ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 00:11:37 | 1454ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 23:11:20 | 977ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 19:53:51 | 4270ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 17:37:49 | 1813ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 11:56:47 | 799ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 09:55:32 | 2821ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 09:26:08 | 1202ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 09:16:08 | 1156ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 09:03:57 | 1092ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 08:44:17 | 2026ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 08:11:10 | 1079ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 07:48:39 | 2550ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 07:18:31 | 2126ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 11:55:42 | 2845ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 03:52:17 | 929ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 06:34:58 | 7032ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 05:35:37 | 1328ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 14:04:55 | 1396ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 01:55:27 | 2205ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 01:21:12 | 782ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 00:30:26 | 1160ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 18:18:38 | 1594ms | 3 NS 1 A 1 MX | 🔒 Secure |