citycontainer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 4 October 2026 we saw it transfer from ONE.COM A/S to Simply.com A/S. Its website address 78.46.12.208 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by citycontainer-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 |
|---|---|---|---|---|---|---|---|
| 78.46.12.208 | 600s | dedi5113.your-server.de | AS24940 | Hetzner Online GmbH | 78.46.0.0/15 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| apple-domain-verification=ZRzxfRj1yk0oUZnk |
| atlassian-domain-verification=OeX7LSwycXz3wqGsM8sgCdsiGgaSNkfgthPShOC21H/i1dcKF9TIeVQgBaqk0wvf |
| globalsign-domain-verification=B7291C20422B9ED63A3C54AB213B3FA2 |
| google-site-verification=0sojwwidpKLOEX-xmuYH3XtOIcp9-yKwBP_n1SG8nR0 |
| IkiAIqpPLWiyJwRnub0WQcCEntuE5nYwygmGo6D6OjNQS278q8n/c2Qxl8SAHyB1IiSTHx8aLEzqv+AlBZOhZQ== |
| samsung-domain-verification=57a56758-651f-43ad-8dd8-2a015c9e38ba |
| v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 ip4:178.209.165.51 ip4:178.209.165.55 -all |
| Policy | Record (citycontainer.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 ip4:178.209.165.51 ip4:178.209.165.55 -all |
| Policy | Record (_dmarc.citycontainer.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:sysadmin@citycontainer.dk; rua=mailto:sysadmin@citycontainer.dk; fo=0; |
| www | 78.46.12.208 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-citycontainer-dk._domainkey.reconordk.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-citycontainer-dk._domainkey.reconordk.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: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.citycontainer.dk | 7cf786c1-c15c-4de2-a5af-84af6a58d128.auth.acme-dns.io |
| TXT | 7cf786c1-c15c-4de2-a5af-84af6a58d128.auth.acme-dns.io | 6l-2Zhnns-_bOWCulyW9X6vPjg8R4-423FfcTk9rI0U |
| TXT | 7cf786c1-c15c-4de2-a5af-84af6a58d128.auth.acme-dns.io | nfzXUK4DXc01XiaCFKxlDLtErthWfdoR4evz-OmFfwo |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062805 |
| 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 | Simply.com A/S |
| Registered | 1998-06-29 |
| Expires | 2027-06-30 (254d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 01:18:42 | 922ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 20:29:06 | 1907ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 20:23:28 | 1177ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 18:15:36 | 1981ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 17:46:59 | 786ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 18:51:44 | 1033ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 20:42:29 | 972ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 20:46:23 | 1632ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 23:23:59 | 1046ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 14:44:14 | 17452ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-13 09:12:01 | 1591ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 16:39:01 | 1892ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 13:31:56 | 2440ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 09:22:17 | 1752ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 14:50:50 | 1373ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 12:35:48 | 1058ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 01:45:52 | 916ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 12:08:25 shown | 1803ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 17:23:11 | 1182ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 18:55:41 | 972ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 04:55:28 | 914ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 07:57:39 | 1108ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 09:22:48 | 1280ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 15:09:48 | 922ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 09:44:58 | 6512ms | 2 NS 1 A 1 MX | 🔒 Secure |