billund.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 137.135.129.175 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 137.135.129.175 | 3600s | — | AS8075 | Microsoft Corporation | 137.135.0.0/16 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.116.16.153 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 100 | 5061 | sipfed.online.lync.com |
| _xmpp-server._tcp | 0 | 100 | 5269 | sip.billund.dk |
| TXT Record |
|---|
| _6xo7f5b4fpbxo2ox1hwajqn48q7dpqw |
| _k04fhrgh4gybgzyu5cf8hvvwwu6tkhv |
| -----BEGIN NEW CERTIFICATE REQUEST----- MIIEXzCCA0cCAQAwaDELMAkGA1UEBhMCREsxEjAQBgNVBAgMCWdyaW5kc3RlZDEN MAsGA1UEBwwENzIwMDELMAkGA1UECgwCaXQxCzAJBgNVBAsMAml0MRwwGgYDVQQD DBNpbnRyYW5ldC5iaWxsdW5kLmRrMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAy4SpmK++PIzDVUnCzF+3zBnqTaOE1Xcon7SeYfwe0leEY35KGDDvXwiF Grcq+QnQwOWb/59cWKcQ5UE0fN3MUcbQMxGE2wMY4SVcV9GBb3MUpGzNsNYM3R+5 SNYVLNHG2fDWKrmEj1fzCuBRQ+5H7KrjLnrfUOhfedDZkvlFThqdGlpBz+anJm7q 65HIN4UHPUcbiPlXiu3yXi//aHJXKlpWUd8HLayBVSzKcquED/QzbTNPI8TvWWlC XrA4D3XNdk9B4/0SWdZjPW8RwOsaf4XL+I9TVfG7/nvbqyJtpvPK9QYKZiIh9afp PX/zkb2mWMkzLI3vJaUKuFwlvgv7NQIDAQABoIIBsDAcBgorBgEEAYI3DQIDMQ4W DDEwLjAuMjAzNDguMjBKBgkrBgEEAYI3FRQxPTA7AgEFDBlhZG1zcnYyLkJpbGx1 bmRrb21tdW5lLmRrDA5CSUxMVU5EXGFkbW9zawwLSW5ldE1nci5leGUwcgYKKwYB BAGCNw0CAjFkMGICAQEeWgBNAGkAYwByAG8AcwBvAGYAdAAgAFIAUwBBACAAUwBD AGgAYQBuAG4AZQBsACAAQwByAHkAcAB0AG8AZwByAGEAcABoAGkAYwAgAFAAcgBv AHYAaQBkAGUAcgMBADCBzwYJKoZIhvcNAQkOMYHBMIG+MA4GA1UdDwEB/wQEAwIE 8DATBgNVHSUEDDAKBggrBgEFBQcDATB4BgkqhkiG9w0BCQ8EazBpMA4GCCqGSIb3 DQMCAgIAgDAOBggqhkiG9w0DBAICAIAwCwYJYIZIAWUDBAEqMAsGCWCGSAFlAwQB LTALBglghkgBZQMEAQIwCwYJYIZIAWUDBAEFMAcGBSsOAwIHMAoGCCqGSIb3DQMH MB0GA1UdDgQWBBQ2xYrynjmjDpymjOyk2/QdtHXa6jANBgkqhkiG9w0BAQUFAAOC AQEAL7CkMwMfYvTWNvg8waqY2SI0L2cHXquBGx30Jp1O1FwmvbDtt9CvKjuhX6kV a2iRl08zH3pvdISUw4UUOqzlS6CJFyZYlo0hzc3m4RarDozmZve5gwmFwQ/Z2NyG 4rGXARaF4F2zE1XoBPu13OhYvjJfNu4Wp8S7v5wnWd9ln+NlBaJC4cNRV+bimx+7 664L7Dm+7itDROAPgbm7Es+pNOjzBTmRJJaUPdRRFv8BxfMFnKsi80wEfyBItv+q 1jOk9Fk/+VvpSexH1SSlDHKBUV1Cpke9zSiKWE+FvNRyZqK6caWOs18G1jP2Juqf Qwv7YszbH6rTnxSqOkVot0H4gw== -----END NEW CERTIFICATE REQUEST----- |
| +67ZnhSSBqgeaH8G5dX4dggETONEJlqT0AfvV60SWzOgEx1ppJjfKsW6BMfKfiQ0MJ7fm63WDPjz0phh54WD2g== |
| 1np7lijfguj5lohemb0ap2f68 |
| 3jtqn2k7p7gqtr185nivhb4l76 |
| apple-domain-verification=usgQR1EGGq5npwep |
| B0I0L66704 |
| google-site-verification=ng2bKUrwftTsti2B8eq9jzwe1OpQeFjLqCsJpXzETq8 |
| k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCfktxOQdRMvQDk4vcX9lnr7SppsLE5Q3pvrsKq99pQ9/c1R8qQFUK/rLIxYhUoO3EC2AIRpsKOU718uBI3P8It/7C7aUKrZqyyMLVmX9s/8qPlVOmfA1tLEbQX+AO72jqXYrkpV9zH0iiNLmBNXyslbIJ4FRS5MHVVdXG2rvtcIQIDAQAB |
| MS=ms29632517 |
| n8qq4kop6pnf15qqs7hgiadlg9 |
| nf1i0n97oi2g9ljvf6p8jt651k |
| pf1coitdrq49usdg4unllf47c3 |
| pf1coitdrq49usdg4unllf47c3. |
| q155oujcanjbpdbe25p2fnr50r |
| v=spf1 include:_spf16210.spfprotect.com -all |
| Policy | Record (billund.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf16210.spfprotect.com -all |
| Policy | Record (_dmarc.billund.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:643529fedabbe@dmarc.centerasecurity.com; |
| www CNAME | billund-prod17-app.azurewebsites.net (all on azurewebsites.net) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.billund.dk | _acme-challenge.9ac01310829aae848a5b299bb9e38ac9fdd3e0d949697c77.upcloudlb.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092101 |
| 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 | 1997-01-31 |
| Expires | 2027-03-31 (163d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 20:43:04 | 991ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-27 20:07:43 | 766ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-23 17:17:30 shown | 2156ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-07 07:35:49 | 1222ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 12:40:45 | 1264ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-07 11:03:17 | 3479ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-01 07:56:29 | 900ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 21:40:37 | 2024ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-19 19:57:34 | 816ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 14:36:59 | 810ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 14:36:05 | 1387ms | 2 NS 1 A 3 MX | 🔒 Secure |