flexscreen.dk is a .dk domain served by 3 nameservers (mailexchange.jcdhotel.dk, ns.jcdhotel.dk, ns3.jcdhotel.dk). It was registered on 16 December 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.215.86.156 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by flexscreen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| mailexchange.jcdhotel.dk | 195.97.138.36 | mailexchange.jcdhotel.dk | AS3292 TDC Holding A/S |
| ns.jcdhotel.dk | 195.215.86.133 | — | AS3292 TDC Holding A/S |
| ns3.jcdhotel.dk | 13.81.43.137 | ns3.jcdhotel.dk | AS8075 Microsoft Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.215.86.156 | 3600s | — | AS3292 | TDC Holding A/S | 195.215.0.0/16 | 🇩🇰 Denmark | Hvidovre |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms40375806 |
| v=spf1 ip4:195.97.138.36 include:spf.protection.outlook.com include:spf.exclaimer.net -all |
| Policy | Record (flexscreen.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:195.97.138.36 include:spf.protection.outlook.com include:spf.exclaimer.net -all |
| Policy | Record (_dmarc.flexscreen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www CNAME | web33.jcdhotel.dk (all on jcdhotel.dk) → 195.215.86.154 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u8189693.wl194.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u8189693.wl194.sendgrid.net | 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 | 16122015 |
| Primary NS (MNAME) | ns.jcdhotel.dk |
| Responsible (RNAME) | administrator@jcdhotel.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-12-16 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 16:05:21 | 1074ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 07:53:23 shown | 9108ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 19:32:34 | 1097ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 00:06:32 | 2400ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:26:21 | 868ms | 3 NS 1 A 1 MX | 🔓 Insecure |