sindby.dk is a .dk domain served by 3 nameservers (ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 159.100.249.239 is hosted by Akenes SA (AS61098) in Switzerland. Mail is handled by sindby-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 159.100.249.239 | 3600s | bibus.com | AS61098 | Akenes SA | 159.100.240.0/20 | 🇨🇭 Switzerland | Zurich |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a04:c44:e00:97d4:500:1:0:1 | 3600s | bibus.com | AS61098 | Akenes SA | 2a04:c44:0:0:0:0:0:0/30 | 🇨🇭 Switzerland | Zurich |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.bibus.ch |
| _sipfederationtls._tcp | 100 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 9H3j8cxHDcUCrzDsg1VRFBRPuedpnAFtW3qpmwcuDZNiAG3X+z76UaDhoJa7HX/iFPLF3/UlI0Mxre00SpvSQQ== |
| MS=ms32514698 |
| v=spf1 ip4:212.243.131.192/27 ip4:85.199.173.190 ip4:134.119.2.158 ip4:88.99.102.72 ip6:2a01:4f8:221:1246::1/64 mx:bibus.ch. include:spf.protection.outlook.com -all |
| Policy | Record (sindby.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:212.243.131.192/27 ip4:85.199.173.190 ip4:134.119.2.158 ip4:88.99.102.72 ip6:2a01:4f8:221:1246::1/64 mx:bibus.ch. include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.sindby.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-reports@bibus.ch; ruf=mailto:dmarc-reports@bibus.ch; fo=1 |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:dax@bibus.ch |
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www | 159.100.249.239 2a04:c44:e00:97d4:500:1:0:1 (AS61098) (address records, no CNAME) |
| www vs bare domain | Same network sindby.dk: 159.100.249.239 2a04:c44:e00:97d4:500:1:0:1 (AS61098) www.sindby.dk: 159.100.249.239 2a04:c44:e00:97d4:500:1:0:1 (AS61098) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-sindby-dk._domainkey.bibusholding.onmicrosoft.com | RSA · ~1024 bit below 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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025121000 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 14400s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 1998-02-16 |
| Expires | 2027-03-31 (163d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 14:52:46 | 1891ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 05:10:28 shown | 1529ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 03:07:01 | 1945ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:39:57 | 3033ms | 3 NS 1 A 1 MX | 🔓 Insecure |