polyurethan-gulv.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 6 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.51 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.polyurethan-gulv.dk, backup-mx.zitcom.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 93.191.155.51 | 600s | vm1387.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.191.155.51 |
| 🔶 Autoconfig | 93.191.155.51 |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u19964708.wl209.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u19964708.wl209.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.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021120701 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-11-06 |
| Expires | 2026-11-30 (44d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:18:19 shown | 679ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 06:15:40 | 548ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 18:15:55 | 674ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 15:04:11 | 2992ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 13:26:53 | 666ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 14:01:31 | 4079ms | 2 NS 1 A 2 MX | 🔒 Secure |